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[Xen-users] dom0 crash, require assistance interpretting logs and config suggestions

Hello,
I have experienced a dom0 crash where the system became unreachable via the network and the console was unresponsive. I would appreciate help interpretting the logs and any configuration change suggestions.
It is a stock Debian Lenny dom0 running xen 3.2.1 with kernel 2.6.26-2-xen-amd64 and an AMD Athlon IIx4 with 4 GB of RAM. It is running 4 VMs. One VM has two PCI NICs being passed to it, while another has three PCI MPEG encoders passed to it (physically they are only two cards, but one, a hauppage pvr-500, has two encoders on it connected via a PCI bridge). Three of the VMs were migrated from another machine and are running Debian kernel 2.6.26-2-xen-686 (32 bit), the fourth is running the same kernel as the dom0 (64 bit).
As you'll see from the logs the system has three hard drives, a PATA (hdc) that holds the dom0 and VMs OS file systems, and 2 SATA (sda, sdb) that are configured in a software RAID 1 and hold the VMs data filesystems. If I am reading things right all three drives appear to experience interrupt / DMA issues during the crash. The peth0 NIC goes down and up during the crash. There is also a mention of IRQ 22, which is used by the SATA controller. 

Any pointers or suggests are greatly appreciated.

- Ben


From /var/log/syslog:
Apr 11 04:00:01 xenserver /USR/SBIN/CRON[20831]: (root) CMD (test -x /usr/sbin/cron-apt && /usr/sbin/cron-apt) Apr 11 04:00:01 xenserver /USR/SBIN/CRON[20832]: (root) CMD (if [ -x /usr/bin/vnstat ] && [ `ls /var/lib/vnstat/ | wc -l` -ge 1 ]; then /usr/bin/vnstat -u; fi) Apr 11 04:03:02 xenserver logger: /etc/xen/scripts/xen-hotplug-cleanup: XENBUS_PATH=backend/console/1/0 Apr 11 04:03:02 xenserver logger: /etc/xen/scripts/block: remove XENBUS_PATH=backend/vbd/1/2049 Apr 11 04:03:02 xenserver kernel: [275947.205259] eth0: port 2(vif1.0) entering disabled state Apr 11 04:03:02 xenserver logger: /etc/xen/scripts/block: remove XENBUS_PATH=backend/vbd/1/2051 Apr 11 04:03:02 xenserver logger: /etc/xen/scripts/vif-bridge: bridge=eth0 offline XENBUS_PATH=backend/vif/1/0 Apr 11 04:03:02 xenserver logger: /etc/xen/scripts/block: remove XENBUS_PATH=backend/vbd/1/2050 Apr 11 04:03:02 xenserver logger: /etc/xen/scripts/xen-hotplug-cleanup: XENBUS_PATH=backend/vbd/1/2049 Apr 11 04:03:02 xenserver kernel: [275947.239755] eth0: port 2(vif1.0) entering disabled state Apr 11 04:03:02 xenserver logger: /etc/xen/scripts/xen-hotplug-cleanup: XENBUS_PATH=backend/vbd/1/2051 Apr 11 04:03:02 xenserver logger: /etc/xen/scripts/xen-hotplug-cleanup: XENBUS_PATH=backend/vbd/1/2050 Apr 11 04:03:02 xenserver logger: /etc/xen/scripts/vif-bridge: brctl delif eth0 vif1.0 failed Apr 11 04:03:02 xenserver logger: /etc/xen/scripts/vif-bridge: ifconfig vif1.0 down failed Apr 11 04:03:02 xenserver logger: /etc/xen/scripts/vif-bridge: Successful vif-bridge offline for vif1.0, bridge eth0. Apr 11 04:03:02 xenserver logger: /etc/xen/scripts/xen-hotplug-cleanup: XENBUS_PATH=backend/vif/1/0 Apr 11 04:03:02 xenserver logger: /etc/xen/scripts/vif-bridge: bridge=eth0 offline XENBUS_PATH=backend/vif/1/1 Apr 11 04:03:02 xenserver kernel: [275947.564179] xenbrDMZ: port 1(vif1.1) entering disabled state Apr 11 04:03:03 xenserver kernel: [275947.607309] xenbrDMZ: port 1(vif1.1) entering disabled state Apr 11 04:03:03 xenserver logger: /etc/xen/scripts/vif-bridge: brctl delif xenbrDMZ vif1.1 failed Apr 11 04:03:03 xenserver logger: /etc/xen/scripts/vif-bridge: ifconfig vif1.1 down failed Apr 11 04:03:03 xenserver logger: /etc/xen/scripts/vif-bridge: Successful vif-bridge offline for vif1.1, bridge xenbrDMZ. Apr 11 04:03:03 xenserver kernel: [275948.415105] ACPI: PCI interrupt for device 0000:02:00.0 disabled Apr 11 04:03:03 xenserver kernel: [275948.415130] ACPI: PCI interrupt for device 0000:04:07.0 disabled Apr 11 04:03:03 xenserver logger: /etc/xen/scripts/xen-hotplug-cleanup: XENBUS_PATH=backend/vif/1/1 Apr 11 04:03:03 xenserver logger: /etc/xen/scripts/xen-hotplug-cleanup: XENBUS_PATH=backend/pci/1/0 Apr 11 04:05:01 xenserver /USR/SBIN/CRON[21159]: (root) CMD (if [ -x /usr/bin/vnstat ] && [ `ls /var/lib/vnstat/ | wc -l` -ge 1 ]; then /usr/bin/vnstat -u; fi) Apr 11 04:10:01 xenserver /USR/SBIN/CRON[21165]: (root) CMD (if [ -x /usr/bin/vnstat ] && [ `ls /var/lib/vnstat/ | wc -l` -ge 1 ]; then /usr/bin/vnstat -u; fi) Apr 11 04:15:01 xenserver /USR/SBIN/CRON[21171]: (root) CMD (if [ -x /usr/bin/vnstat ] && [ `ls /var/lib/vnstat/ | wc -l` -ge 1 ]; then /usr/bin/vnstat -u; fi) Apr 11 04:17:01 xenserver /USR/SBIN/CRON[21177]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) Apr 11 04:20:01 xenserver /USR/SBIN/CRON[21181]: (root) CMD (if [ -x /usr/bin/vnstat ] && [ `ls /var/lib/vnstat/ | wc -l` -ge 1 ]; then /usr/bin/vnstat -u; fi) Apr 11 04:22:29 xenserver kernel: [277113.497127] irq 22: nobody cared (try booting with the "irqpoll" option) Apr 11 04:22:29 xenserver kernel: [277113.497144] Pid: 0, comm: swapper Not tainted 2.6.26-2-xen-amd64 #1 
Apr 11 04:22:29 xenserver kernel: [277113.497152]
Apr 11 04:22:29 xenserver kernel: [277113.497153] Call Trace:
Apr 11 04:22:29 xenserver kernel: [277113.497165] <IRQ> [<ffffffff8037ce18>] irq_ignore_unhandled+0x1c/0x32 Apr 11 04:22:29 xenserver kernel: [277113.497188] [<ffffffff8025f88f>] __report_bad_irq+0x30/0x72 Apr 11 04:22:29 xenserver kernel: [277113.497197] [<ffffffff8025fb58>] note_interrupt+0x287/0x2c7 Apr 11 04:22:29 xenserver kernel: [277113.497207] [<ffffffff80260440>] handle_level_irq+0xc3/0x118 Apr 11 04:22:29 xenserver kernel: [277113.497218] [<ffffffff8020e146>] do_IRQ+0x4e/0x9a Apr 11 04:22:29 xenserver kernel: [277113.497227] [<ffffffff8037db2c>] evtchn_do_upcall+0x13c/0x1fc Apr 11 04:22:29 xenserver kernel: [277113.497237] [<ffffffff8020bbde>] do_hypervisor_callback+0x1e/0x30 Apr 11 04:22:29 xenserver kernel: [277113.497245] <EOI> [<ffffffff8020e79d>] xen_safe_halt+0x90/0xa6 Apr 11 04:22:29 xenserver kernel: [277113.497263] [<ffffffff8020a0ce>] xen_idle+0x2e/0x66 Apr 11 04:22:29 xenserver kernel: [277113.497271] [<ffffffff80209d49>] cpu_idle+0x97/0xb9 
Apr 11 04:22:29 xenserver kernel: [277113.497283]
Apr 11 04:22:29 xenserver kernel: [277113.497288] handlers:
Apr 11 04:22:29 xenserver kernel: [277113.497295] [<ffffffffa0099969>] (ahci_interrupt+0x0/0x46b [ahci]) 
Apr 11 04:22:29 xenserver kernel: [277113.497312] Disabling IRQ #22
Apr 11 04:22:54 xenserver kernel: [277138.645875] hdc: dma_timer_expiry: dma status == 0x64 Apr 11 04:23:00 xenserver kernel: [277145.647409] ata2.00: exception Emask 0x40 SAct 0x0 SErr 0x800 action 0x6 frozen 
Apr 11 04:23:00 xenserver kernel: [277145.647429] ata2: SError: { HostInt }
Apr 11 04:23:00 xenserver kernel: [277145.647438] ata2.00: cmd ea/00:00:00:00:00/00:00:00:00:00/a0 tag 0 Apr 11 04:23:00 xenserver kernel: [277145.647439] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x44 (timeout) 
Apr 11 04:23:00 xenserver kernel: [277145.647458] ata2.00: status: { DRDY }
Apr 11 04:23:00 xenserver kernel: [277145.647467] ata2: hard resetting link
Apr 11 04:23:00 xenserver kernel: [277145.647486] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen Apr 11 04:23:00 xenserver kernel: [277145.647496] ata1.00: cmd ea/00:00:00:00:00/00:00:00:00:00/a0 tag 0 Apr 11 04:23:00 xenserver kernel: [277145.647497] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) 
Apr 11 04:23:00 xenserver kernel: [277145.647515] ata1.00: status: { DRDY }
Apr 11 04:23:00 xenserver kernel: [277145.647523] ata1: hard resetting link
Apr 11 04:23:01 xenserver kernel: [277146.131362] ata2: softreset failed (device not ready) Apr 11 04:23:01 xenserver kernel: [277146.131378] ata2: failed due to HW bug, retry pmp=0 Apr 11 04:23:01 xenserver kernel: [277146.131400] ata1: softreset failed (device not ready) Apr 11 04:23:01 xenserver kernel: [277146.131409] ata1: failed due to HW bug, retry pmp=0 Apr 11 04:23:01 xenserver kernel: [277146.295250] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Apr 11 04:23:01 xenserver kernel: [277146.295287] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Apr 11 04:23:03 xenserver kernel: [277148.647303] hdc: DMA interrupt recovery 
Apr 11 04:23:03 xenserver kernel: [277148.647316] hdc: lost interrupt
Apr 11 04:23:24 xenserver kernel: [277168.647352] hdc: dma_timer_expiry: dma status == 0x64 Apr 11 04:23:31 xenserver kernel: [277176.295271] ata2.00: qc timeout (cmd 0xec) Apr 11 04:23:31 xenserver kernel: [277176.295292] ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4) Apr 11 04:23:31 xenserver kernel: [277176.295301] ata2.00: revalidation failed (errno=-5) Apr 11 04:23:31 xenserver kernel: [277176.295310] ata2: failed to recover some devices, retrying in 5 secs Apr 11 04:23:31 xenserver kernel: [277176.295322] ata1.00: qc timeout (cmd 0xec) Apr 11 04:23:31 xenserver kernel: [277176.295336] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4) Apr 11 04:23:31 xenserver kernel: [277176.295344] ata1.00: revalidation failed (errno=-5) Apr 11 04:23:31 xenserver kernel: [277176.295352] ata1: failed to recover some devices, retrying in 5 secs Apr 11 04:23:33 xenserver kernel: [277178.647242] hdc: DMA interrupt recovery 
Apr 11 04:23:33 xenserver kernel: [277178.647255] hdc: lost interrupt
Apr 11 04:23:36 xenserver kernel: [277181.299161] ata1: hard resetting link
Apr 11 04:23:36 xenserver kernel: [277181.299185] ata2: hard resetting link
Apr 11 04:23:37 xenserver kernel: [277181.783130] ata2: softreset failed (device not ready) Apr 11 04:23:37 xenserver kernel: [277181.783147] ata2: failed due to HW bug, retry pmp=0 Apr 11 04:23:37 xenserver kernel: [277181.783170] ata1: softreset failed (device not ready) Apr 11 04:23:37 xenserver kernel: [277181.783178] ata1: failed due to HW bug, retry pmp=0 Apr 11 04:23:37 xenserver kernel: [277181.947140] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Apr 11 04:23:37 xenserver kernel: [277181.947177] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Apr 11 04:23:54 xenserver kernel: [277198.648158] hdc: dma_timer_expiry: dma status == 0x64 Apr 11 04:24:03 xenserver kernel: [277208.648119] hdc: DMA interrupt recovery 
Apr 11 04:24:03 xenserver kernel: [277208.648131] hdc: lost interrupt
Apr 11 04:24:05 xenserver kernel: [277210.437511] NETDEV WATCHDOG: peth0: transmit timed out Apr 11 04:24:05 xenserver kernel: [277210.437533] ------------[ cut here ]------------ Apr 11 04:24:05 xenserver kernel: [277210.437541] WARNING: at net/sched/sch_generic.c:222 dev_watchdog+0xa6/0x119() Apr 11 04:24:05 xenserver kernel: [277210.437553] Modules linked in: xt_tcpudp xfs xt_physdev iptable_filter ip_tables x_tables bridge netloop ipv6 raid1 md_mod loop snd_hda_intel snd_pcm snd_timer snd psmouse soundcore pcspkr serio_raw snd_page_alloc i2c_piix4 i2c_core button wmi shpchp pci_hotplug evdev ext3 jbd mbcache dm_mirror dm_log dm_snapshot dm_mod ide_cd_mod cdrom ide_disk ide_pci_generic sd_mod atiixp ide_core ata_generic ahci ehci_hcd libata scsi_mod dock ohci_hcd r8169 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan] Apr 11 04:24:05 xenserver kernel: [277210.437736] Pid: 0, comm: swapper Not tainted 2.6.26-2-xen-amd64 #1 
Apr 11 04:24:05 xenserver kernel: [277210.437744]
Apr 11 04:24:05 xenserver kernel: [277210.437745] Call Trace:
Apr 11 04:24:05 xenserver kernel: [277210.437757] <IRQ> [<ffffffff8022c9a2>] warn_on_slowpath+0x51/0x78 Apr 11 04:24:05 xenserver kernel: [277210.437774] [<ffffffff8022d4f4>] printk+0x4e/0x56 Apr 11 04:24:05 xenserver kernel: [277210.437784] [<ffffffff80235a70>] lock_timer_base+0x26/0x4b Apr 11 04:24:05 xenserver kernel: [277210.437794] [<ffffffff80235c16>] __mod_timer+0xd4/0xe3 Apr 11 04:24:05 xenserver kernel: [277210.437804] [<ffffffff8023ca2f>] queue_delayed_work_on+0xb8/0xc8 Apr 11 04:24:05 xenserver kernel: [277210.437813] [<ffffffff803d8161>] dev_watchdog+0x0/0x119 Apr 11 04:24:05 xenserver kernel: [277210.437822] [<ffffffff803d8207>] dev_watchdog+0xa6/0x119 Apr 11 04:24:05 xenserver kernel: [277210.437831] [<ffffffff802354df>] run_timer_softirq+0x190/0x237 Apr 11 04:24:05 xenserver kernel: [277210.437842] [<ffffffff80231ad0>] __do_softirq+0x77/0x103 Apr 11 04:24:05 xenserver kernel: [277210.437852] [<ffffffff8020c13c>] call_softirq+0x1c/0x28 Apr 11 04:24:05 xenserver kernel: [277210.437861] [<ffffffff8020e092>] do_softirq+0x55/0xbb Apr 11 04:24:05 xenserver kernel: [277210.437870] [<ffffffff8020e175>] do_IRQ+0x7d/0x9a Apr 11 04:24:05 xenserver kernel: [277210.437879] [<ffffffff8037db2c>] evtchn_do_upcall+0x13c/0x1fc Apr 11 04:24:05 xenserver kernel: [277210.437890] [<ffffffff8020bbde>] do_hypervisor_callback+0x1e/0x30 Apr 11 04:24:05 xenserver kernel: [277210.437898] <EOI> [<ffffffff8020e79d>] xen_safe_halt+0x90/0xa6 Apr 11 04:24:05 xenserver kernel: [277210.437916] [<ffffffff8020a0ce>] xen_idle+0x2e/0x66 Apr 11 04:24:05 xenserver kernel: [277210.437924] [<ffffffff80209d49>] cpu_idle+0x97/0xb9 
Apr 11 04:24:05 xenserver kernel: [277210.437936]
Apr 11 04:24:05 xenserver kernel: [277210.437942] ---[ end trace 470e1e7e4a9eb321 ]--- 
Apr 11 04:24:06 xenserver kernel: [277210.456294] r8169: peth0: link up
Apr 11 04:24:07 xenserver kernel: [277211.948161] ata2.00: qc timeout (cmd 0xec) Apr 11 04:24:07 xenserver kernel: [277211.948182] ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4) Apr 11 04:24:07 xenserver kernel: [277211.948191] ata2.00: revalidation failed (errno=-5) Apr 11 04:24:07 xenserver kernel: [277211.948199] ata2: failed to recover some devices, retrying in 5 secs Apr 11 04:24:07 xenserver kernel: [277211.948211] ata1.00: qc timeout (cmd 0xec) Apr 11 04:24:07 xenserver kernel: [277211.948225] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4) Apr 11 04:24:07 xenserver kernel: [277211.948233] ata1.00: revalidation failed (errno=-5) Apr 11 04:24:07 xenserver kernel: [277211.948240] ata1: failed to recover some devices, retrying in 5 secs 
Apr 11 04:24:12 xenserver kernel: [277216.952165] ata1: hard resetting link
Apr 11 04:24:12 xenserver kernel: [277216.952189] ata2: hard resetting link
Apr 11 04:24:12 xenserver kernel: [277217.436134] ata1: softreset failed (device not ready) Apr 11 04:24:12 xenserver kernel: [277217.436150] ata1: failed due to HW bug, retry pmp=0 Apr 11 04:24:12 xenserver kernel: [277217.436173] ata2: softreset failed (device not ready) Apr 11 04:24:12 xenserver kernel: [277217.436181] ata2: failed due to HW bug, retry pmp=0 Apr 11 04:24:12 xenserver kernel: [277217.600168] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Apr 11 04:24:12 xenserver kernel: [277217.600210] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Apr 11 04:24:17 xenserver kernel: [277222.438507] NETDEV WATCHDOG: peth0: transmit timed out 
Apr 11 04:24:18 xenserver kernel: [277222.456219] r8169: peth0: link up
Apr 11 04:24:24 xenserver kernel: [277228.648149] hdc: dma_timer_expiry: dma status == 0x64 Apr 11 04:24:29 xenserver kernel: [277234.439860] NETDEV WATCHDOG: peth0: transmit timed out 
Apr 11 04:24:30 xenserver kernel: [277234.456241] r8169: peth0: link up
Apr 11 04:24:33 xenserver kernel: [277238.648044] hdc: DMA interrupt recovery 
Apr 11 04:24:33 xenserver kernel: [277238.648058] hdc: lost interrupt
Apr 11 04:24:41 xenserver kernel: [277246.439954] NETDEV WATCHDOG: peth0: transmit timed out 
Apr 11 04:24:42 xenserver kernel: [277246.456300] r8169: peth0: link up
Apr 11 04:24:42 xenserver kernel: [277246.633366] INFO: task md0_raid1:2194 blocked for more than 120 seconds. Apr 11 04:24:42 xenserver kernel: [277246.633382] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Apr 11 04:24:42 xenserver kernel: [277246.633394] md0_raid1 D ffffffff80449f00 0 2194 2 Apr 11 04:24:42 xenserver kernel: [277246.633408] ffff8800e0169cc0 0000000000000246 0000000000000000 ffff8800e2a2fac0 Apr 11 04:24:42 xenserver kernel: [277246.633429] ffff8800e2ad2480 ffffffff804fe460 ffff8800e2ad2700 00000000e02c2528 Apr 11 04:24:42 xenserver kernel: [277246.633450] 00000000ffffffff ffff880093da90c0 000000000000ffff 000000007470593f 
Apr 11 04:24:42 xenserver kernel: [277246.633465] Call Trace:
Apr 11 04:24:42 xenserver kernel: [277246.634648] [<ffffffff802ff7a6>] generic_make_request+0x2fe/0x339 Apr 11 04:24:42 xenserver kernel: [277246.634664] [<ffffffffa0232413>] :md_mod:md_super_wait+0xee/0x107 Apr 11 04:24:42 xenserver kernel: [277246.634674] [<ffffffff8023f4e5>] autoremove_wake_function+0x0/0x2e Apr 11 04:24:42 xenserver kernel: [277246.634688] [<ffffffffa02328a3>] :md_mod:md_update_sb+0x2a0/0x38f Apr 11 04:24:42 xenserver kernel: [277246.634702] [<ffffffffa0237016>] :md_mod:md_check_recovery+0x1c9/0x504 Apr 11 04:24:42 xenserver kernel: [277246.634714] [<ffffffffa0246239>] :raid1:raid1d+0x26/0xd73 Apr 11 04:24:42 xenserver kernel: [277246.634724] [<ffffffff804369b7>] error_exit+0x0/0x69 Apr 11 04:24:42 xenserver kernel: [277246.634734] [<ffffffff804369b7>] error_exit+0x0/0x69 Apr 11 04:24:42 xenserver kernel: [277246.634744] [<ffffffff80434efe>] schedule_timeout+0x1e/0xad Apr 11 04:24:42 xenserver kernel: [277246.634754] [<ffffffff8030dc91>] __next_cpu+0x19/0x26 Apr 11 04:24:42 xenserver kernel: [277246.634766] [<ffffffffa02357d2>] :md_mod:md_thread+0xd7/0xed Apr 11 04:24:42 xenserver kernel: [277246.634775] [<ffffffff8023f4e5>] autoremove_wake_function+0x0/0x2e Apr 11 04:24:42 xenserver kernel: [277246.634788] [<ffffffffa02356fb>] :md_mod:md_thread+0x0/0xed Apr 11 04:24:42 xenserver kernel: [277246.634796] [<ffffffff8023f3b7>] kthread+0x47/0x74 Apr 11 04:24:42 xenserver kernel: [277246.634805] [<ffffffff8022817c>] schedule_tail+0x27/0x5c Apr 11 04:24:42 xenserver kernel: [277246.634814] [<ffffffff8020be28>] child_rip+0xa/0x12 Apr 11 04:24:42 xenserver kernel: [277246.634825] [<ffffffff8023f370>] kthread+0x0/0x74 Apr 11 04:24:42 xenserver kernel: [277246.634833] [<ffffffff8020be1e>] child_rip+0x0/0x12 
Apr 11 04:24:42 xenserver kernel: [277246.634841]
Apr 11 04:24:42 xenserver kernel: [277246.634856] INFO: task blkback.2.sda6:4518 blocked for more than 120 seconds. Apr 11 04:24:42 xenserver kernel: [277246.634867] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Apr 11 04:24:42 xenserver kernel: [277246.634878] blkback.2.sda D 00000000000000ff 0 4518 2 Apr 11 04:24:42 xenserver kernel: [277246.634891] ffff880093e999c0 0000000000000246 0000000000000001 ffff8800e0169ee0 Apr 11 04:24:42 xenserver kernel: [277246.634911] ffff8800e2057600 ffff8800e2ad2480 ffff8800e2057880 0000000000000000 Apr 11 04:24:42 xenserver kernel: [277246.634932] ffff880093e99980 ffffffff8023f4ee ffff8800e23d3ec0 ffffffff802213e5 
Apr 11 04:24:42 xenserver kernel: [277246.634947] Call Trace:
Apr 11 04:24:42 xenserver kernel: [277246.634961] [<ffffffff8023f4ee>] autoremove_wake_function+0x9/0x2e Apr 11 04:24:42 xenserver kernel: [277246.634970] [<ffffffff802213e5>] __wake_up_common+0x41/0x74 Apr 11 04:24:42 xenserver kernel: [277246.634981] [<ffffffff802d54cc>] sysfs_find_dirent+0x1b/0x2f Apr 11 04:24:42 xenserver kernel: [277246.634994] [<ffffffffa02364f3>] :md_mod:md_write_start+0x160/0x178 Apr 11 04:24:42 xenserver kernel: [277246.635003] [<ffffffff8023f4e5>] autoremove_wake_function+0x0/0x2e Apr 11 04:24:42 xenserver kernel: [277246.635016] [<ffffffffa00f43f8>] :dm_mod:__split_bio+0x363/0x374 Apr 11 04:24:42 xenserver kernel: [277246.635026] [<ffffffffa0246faf>] :raid1:make_request+0x29/0x5b6 Apr 11 04:24:42 xenserver kernel: [277246.635036] [<ffffffff803117f7>] __up_read+0x13/0x8a Apr 11 04:24:42 xenserver kernel: [277246.635046] [<ffffffff802ff7a6>] generic_make_request+0x2fe/0x339 Apr 11 04:24:42 xenserver kernel: [277246.635056] [<ffffffff80266983>] mempool_alloc+0x24/0xda Apr 11 04:24:42 xenserver kernel: [277246.635067] [<ffffffff80300a80>] submit_bio+0xdb/0xe2 Apr 11 04:24:42 xenserver kernel: [277246.635077] [<ffffffff80386e68>] dispatch_rw_block_io+0x5b9/0x65d Apr 11 04:24:42 xenserver kernel: [277246.635102] [<ffffffff802ff83b>] blk_unplug+0x5a/0x60 Apr 11 04:24:42 xenserver kernel: [277246.635115] [<ffffffffa00f5b19>] :dm_mod:dm_table_unplug_all+0x2a/0x3d Apr 11 04:24:42 xenserver kernel: [277246.635125] [<ffffffff8038735b>] blkif_schedule+0x3c7/0x4dc Apr 11 04:24:42 xenserver kernel: [277246.635137] [<ffffffff80386f94>] blkif_schedule+0x0/0x4dc Apr 11 04:24:42 xenserver kernel: [277246.635146] [<ffffffff8023f3b7>] kthread+0x47/0x74 Apr 11 04:24:42 xenserver kernel: [277246.635155] [<ffffffff8022817c>] schedule_tail+0x27/0x5c Apr 11 04:24:42 xenserver kernel: [277246.635163] [<ffffffff8020be28>] child_rip+0xa/0x12 Apr 11 04:24:42 xenserver kernel: [277246.635174] [<ffffffff8023f370>] kthread+0x0/0x74 Apr 11 04:24:42 xenserver kernel: [277246.635183] [<ffffffff8020be1e>] child_rip+0x0/0x12 
Apr 11 04:24:42 xenserver kernel: [277246.635191]
Apr 11 04:24:43 xenserver kernel: [277247.601345] ata1.00: qc timeout (cmd 0xec) Apr 11 04:24:43 xenserver kernel: [277247.601366] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4) Apr 11 04:24:43 xenserver kernel: [277247.601375] ata1.00: revalidation failed (errno=-5) 
Apr 11 04:24:43 xenserver kernel: [277247.601383] ata1.00: disabled
Apr 11 04:24:43 xenserver kernel: [277247.601396] ata2.00: qc timeout (cmd 0xec) Apr 11 04:24:43 xenserver kernel: [277247.601410] ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4) Apr 11 04:24:43 xenserver kernel: [277247.601418] ata2.00: revalidation failed (errno=-5) 
Apr 11 04:24:43 xenserver kernel: [277247.601425] ata2.00: disabled
Apr 11 04:24:43 xenserver kernel: [277248.105346] ata2: hard resetting link
Apr 11 04:24:43 xenserver kernel: [277248.105372] ata1: hard resetting link
Apr 11 04:24:43 xenserver kernel: [277248.589302] ata1: softreset failed (device not ready) Apr 11 04:24:43 xenserver kernel: [277248.589319] ata1: failed due to HW bug, retry pmp=0 Apr 11 04:24:43 xenserver kernel: [277248.589341] ata2: softreset failed (device not ready) Apr 11 04:24:43 xenserver kernel: [277248.589350] ata2: failed due to HW bug, retry pmp=0 Apr 11 04:24:44 xenserver kernel: [277248.753334] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300) 
Apr 11 04:24:44 xenserver kernel: [277248.753366] ata2: EH complete
Apr 11 04:24:44 xenserver kernel: [277248.753384] sd 1:0:0:0: [sdb] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK Apr 11 04:24:44 xenserver kernel: [277248.753399] end_request: I/O error, dev sdb, sector 1953519935 Apr 11 04:24:44 xenserver kernel: [277248.753410] end_request: I/O error, dev sdb, sector 1953519935 Apr 11 04:24:44 xenserver kernel: [277248.753421] md: super_written gets error=-5, uptodate=0 Apr 11 04:24:44 xenserver kernel: [277248.753431] raid1: Disk failure on sdb1, disabling device. Apr 11 04:24:44 xenserver kernel: [277248.753432] raid1: Operation continuing on 1 devices. Apr 11 04:24:44 xenserver kernel: [277248.753466] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) 
Apr 11 04:24:44 xenserver kernel: [277248.753479] ata1: EH complete
Apr 11 04:24:44 xenserver kernel: [277248.753490] sd 0:0:0:0: [sda] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK Apr 11 04:24:44 xenserver kernel: [277248.753505] end_request: I/O error, dev sda, sector 1953519935 Apr 11 04:24:44 xenserver kernel: [277248.753515] end_request: I/O error, dev sda, sector 1953519935 Apr 11 04:24:44 xenserver kernel: [277248.753524] md: super_written gets error=-5, uptodate=0 Apr 11 04:24:44 xenserver kernel: [277248.753551] sd 0:0:0:0: [sda] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK Apr 11 04:24:44 xenserver kernel: [277248.753566] end_request: I/O error, dev sda, sector 1953519935 Apr 11 04:24:44 xenserver kernel: [277248.753576] end_request: I/O error, dev sda, sector 1953519935 Apr 11 04:24:44 xenserver kernel: [277248.753585] md: super_written gets error=-5, uptodate=0 
Apr 11 04:24:44 xenserver kernel: [277248.753596] RAID1 conf printout:
Apr 11 04:24:44 xenserver kernel: [277248.753603]  --- wd:1 rd:2
Apr 11 04:24:44 xenserver kernel: [277248.753610] disk 0, wo:0, o:1, dev:sda1 Apr 11 04:24:44 xenserver kernel: [277248.753618] disk 1, wo:1, o:0, dev:sdb1 
Apr 11 04:24:44 xenserver kernel: [277248.765416] RAID1 conf printout:
Apr 11 04:24:44 xenserver kernel: [277248.765431]  --- wd:1 rd:2


From lspci -v:

00:00.0 Host bridge: Advanced Micro Devices [AMD] RS780 Host Bridge
       Subsystem: Advanced Micro Devices [AMD] RS780 Host Bridge
       Flags: bus master, 66MHz, medium devsel, latency 0
       Capabilities: [c4] HyperTransport: Slave or Primary Interface
       Capabilities: [54] HyperTransport: UnitID Clumping
       Capabilities: [40] HyperTransport: Retry Mode
       Capabilities: [9c] HyperTransport: #1a
       Capabilities: [f8] HyperTransport: #1c
00:01.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (int gfx) (prog-if 00 [Normal decode]) 
       Flags: bus master, 66MHz, medium devsel, latency 64
       Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
       I/O behind bridge: 0000b000-0000bfff
       Memory behind bridge: fe700000-fe8fffff
       Prefetchable memory behind bridge: 00000000c0000000-00000000cfffffff
       Capabilities: [44] HyperTransport: MSI Mapping Enable+ Fixed+
Capabilities: [b0] Subsystem: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (int gfx) 
       Kernel modules: shpchp
00:04.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 0) (prog-if 00 [Normal decode]) 
       Flags: bus master, fast devsel, latency 0
       Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
       I/O behind bridge: 0000c000-0000cfff
       Memory behind bridge: fe900000-fe9fffff
       Prefetchable memory behind bridge: 00000000d0000000-00000000d00fffff
       Capabilities: [50] Power Management version 3
       Capabilities: [58] Express Root Port (Slot+), MSI 00
Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable- Capabilities: [b0] Subsystem: Advanced Micro Devices [AMD] Device 9600 
       Capabilities: [b8] HyperTransport: MSI Mapping Enable+ Fixed+
       Capabilities: [100] Vendor Specific Information <?>
       Capabilities: [110] Virtual Channel <?>
       Kernel driver in use: pcieport-driver
       Kernel modules: shpchp
00:07.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 3) (prog-if 00 [Normal decode]) 
       Flags: bus master, fast devsel, latency 0
       Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
       I/O behind bridge: 0000d000-0000dfff
       Memory behind bridge: fea00000-feafffff
       Prefetchable memory behind bridge: 00000000dff00000-00000000dfffffff
       Capabilities: [50] Power Management version 3
       Capabilities: [58] Express Root Port (Slot+), MSI 00
Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable- Capabilities: [b0] Subsystem: Advanced Micro Devices [AMD] Device 9600 
       Capabilities: [b8] HyperTransport: MSI Mapping Enable+ Fixed+
       Capabilities: [100] Vendor Specific Information <?>
       Capabilities: [110] Virtual Channel <?>
       Kernel driver in use: pcieport-driver
       Kernel modules: shpchp
00:11.0 SATA controller: ATI Technologies Inc SB700/SB800 SATA Controller [IDE mode] (prog-if 01 [AHCI 1.0]) 
       Subsystem: Biostar Microtech Int'l Corp Device 3700
       Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 22
       I/O ports at a000 [size=8]
       I/O ports at 9000 [size=4]
       I/O ports at 8000 [size=8]
       I/O ports at 7000 [size=4]
       I/O ports at 6000 [size=16]
       Memory at fe6ff800 (32-bit, non-prefetchable) [size=1K]
       Capabilities: [60] Power Management version 2
       Capabilities: [70] SATA HBA <?>
       Kernel driver in use: ahci
       Kernel modules: ahci
00:12.0 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI0 Controller (prog-if 10 [OHCI]) 
       Subsystem: Biostar Microtech Int'l Corp Device 3700
       Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 16
       Memory at fe6fe000 (32-bit, non-prefetchable) [size=4K]
       Kernel driver in use: ohci_hcd
       Kernel modules: ohci-hcd
00:12.1 USB Controller: ATI Technologies Inc SB700 USB OHCI1 Controller (prog-if 10 [OHCI]) 
       Subsystem: Biostar Microtech Int'l Corp Device 3700
       Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 16
       Memory at fe6fd000 (32-bit, non-prefetchable) [size=4K]
       Kernel driver in use: ohci_hcd
       Kernel modules: ohci-hcd
00:12.2 USB Controller: ATI Technologies Inc SB700/SB800 USB EHCI Controller (prog-if 20 [EHCI]) 
       Subsystem: Biostar Microtech Int'l Corp Device 3700
       Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 17
       Memory at fe6ff000 (32-bit, non-prefetchable) [size=256]
       Capabilities: [c0] Power Management version 2
       Capabilities: [e4] Debug port: BAR=1 offset=00e0
       Kernel driver in use: ehci_hcd
       Kernel modules: ehci-hcd
00:13.0 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI0 Controller (prog-if 10 [OHCI]) 
       Subsystem: Biostar Microtech Int'l Corp Device 3700
       Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18
       Memory at fe6fc000 (32-bit, non-prefetchable) [size=4K]
       Kernel driver in use: ohci_hcd
       Kernel modules: ohci-hcd
00:13.1 USB Controller: ATI Technologies Inc SB700 USB OHCI1 Controller (prog-if 10 [OHCI]) 
       Subsystem: Biostar Microtech Int'l Corp Device 3700
       Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18
       Memory at fe6fb000 (32-bit, non-prefetchable) [size=4K]
       Kernel driver in use: ohci_hcd
       Kernel modules: ohci-hcd
00:13.2 USB Controller: ATI Technologies Inc SB700/SB800 USB EHCI Controller (prog-if 20 [EHCI]) 
       Subsystem: Biostar Microtech Int'l Corp Device 3700
       Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 19
       Memory at fe6fa800 (32-bit, non-prefetchable) [size=256]
       Capabilities: [c0] Power Management version 2
       Capabilities: [e4] Debug port: BAR=1 offset=00e0
       Kernel driver in use: ehci_hcd
       Kernel modules: ehci-hcd

00:14.0 SMBus: ATI Technologies Inc SBx00 SMBus Controller (rev 3a)
       Subsystem: Biostar Microtech Int'l Corp Device 3700
       Flags: 66MHz, medium devsel
       Capabilities: [b0] HyperTransport: MSI Mapping Enable- Fixed+
       Kernel driver in use: piix4_smbus
       Kernel modules: i2c-piix4
00:14.1 IDE interface: ATI Technologies Inc SB700/SB800 IDE Controller (prog-if 8a [Master SecP PriP]) 
       Subsystem: ATI Technologies Inc SB700/SB800 IDE Controller
       Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 16
       I/O ports at 01f0 [size=8]
       I/O ports at 03f4 [size=1]
       I/O ports at 0170 [size=8]
       I/O ports at 0374 [size=1]
       I/O ports at ff00 [size=16]
Capabilities: [70] Message Signalled Interrupts: Mask- 64bit- Queue=0/1 Enable- 
       Kernel driver in use: ATIIXP_IDE
       Kernel modules: atiixp, ide-pci-generic, ata_generic

00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA)
       Subsystem: Biostar Microtech Int'l Corp Device 8218
       Flags: bus master, slow devsel, latency 64, IRQ 16
       Memory at fe6f4000 (64-bit, non-prefetchable) [size=16K]
       Capabilities: [50] Power Management version 2
       Kernel driver in use: HDA Intel
       Kernel modules: snd-hda-intel

00:14.3 ISA bridge: ATI Technologies Inc SB700/SB800 LPC host controller
       Subsystem: Biostar Microtech Int'l Corp Device 3700
       Flags: bus master, 66MHz, medium devsel, latency 0
00:14.4 PCI bridge: ATI Technologies Inc SBx00 PCI to PCI Bridge (prog-if 01 [Subtractive decode]) 
       Flags: bus master, 66MHz, medium devsel, latency 64
       Bus: primary=00, secondary=04, subordinate=05, sec-latency=64
       I/O behind bridge: 0000e000-0000efff
       Memory behind bridge: feb00000-febfffff
       Prefetchable memory behind bridge: f0000000-fbffffff
00:14.5 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI2 Controller (prog-if 10 [OHCI]) 
       Subsystem: Biostar Microtech Int'l Corp Device 3700
       Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18
       Memory at fe6f9000 (32-bit, non-prefetchable) [size=4K]
       Kernel driver in use: ohci_hcd
       Kernel modules: ohci-hcd
00:18.0 Host bridge: Advanced Micro Devices [AMD] Family 10h [Opteron, Athlon64, Sempron] HyperTransport Configuration 
       Flags: fast devsel
       Capabilities: [80] HyperTransport: Host or Secondary Interface
00:18.1 Host bridge: Advanced Micro Devices [AMD] Family 10h [Opteron, Athlon64, Sempron] Address Map 
       Flags: fast devsel
00:18.2 Host bridge: Advanced Micro Devices [AMD] Family 10h [Opteron, Athlon64, Sempron] DRAM Controller 
       Flags: fast devsel
00:18.3 Host bridge: Advanced Micro Devices [AMD] Family 10h [Opteron, Athlon64, Sempron] Miscellaneous Control 
       Flags: fast devsel
       Capabilities: [f0] Secure device <?>
00:18.4 Host bridge: Advanced Micro Devices [AMD] Family 10h [Opteron, Athlon64, Sempron] Link Control 
       Flags: fast devsel
01:05.0 VGA compatible controller: ATI Technologies Inc Radeon HD 3300 Graphics (prog-if 00 [VGA controller]) 
       Subsystem: Biostar Microtech Int'l Corp Device 0217
       Flags: bus master, fast devsel, latency 0, IRQ 7
       Memory at c0000000 (32-bit, prefetchable) [size=256M]
       I/O ports at b000 [size=256]
       Memory at fe8f0000 (32-bit, non-prefetchable) [size=64K]
       Memory at fe700000 (32-bit, non-prefetchable) [size=1M]
       Capabilities: [50] Power Management version 3
Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable-
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01) Subsystem: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller 
       Flags: bus master, fast devsel, latency 0, IRQ 16
       I/O ports at c800 [size=256]
       Memory at fe9ff000 (64-bit, non-prefetchable) [size=4K]
       [virtual] Expansion ROM at d0000000 [disabled] [size=128K]
       Capabilities: [40] Power Management version 2
       Capabilities: [48] Vital Product Data <?>
Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Queue=0/1 Enable- 
       Capabilities: [60] Express Endpoint, MSI 00
       Capabilities: [84] Vendor Specific Information <?>
       Capabilities: [100] Advanced Error Reporting <?>
       Capabilities: [12c] Virtual Channel <?>
       Capabilities: [148] Device Serial Number 00-e0-4c-68-00-00-00-fd
       Capabilities: [154] Power Budgeting <?>
       Kernel driver in use: pciback
       Kernel modules: r8169
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 03) 
       Subsystem: Biostar Microtech Int'l Corp Device 2309
       Flags: bus master, fast devsel, latency 0, IRQ 19
       I/O ports at d800 [size=256]
       Memory at dffff000 (64-bit, prefetchable) [size=4K]
       Memory at dfff8000 (64-bit, prefetchable) [size=16K]
       Expansion ROM at feae0000 [disabled] [size=128K]
       Capabilities: [40] Power Management version 3
Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- 
       Capabilities: [70] Express Endpoint, MSI 01
       Capabilities: [ac] MSI-X: Enable- Mask- TabSize=4
       Capabilities: [cc] Vital Product Data <?>
       Capabilities: [100] Advanced Error Reporting <?>
       Capabilities: [140] Virtual Channel <?>
       Capabilities: [160] Device Serial Number 00-e0-4c-68-00-00-02-61
       Kernel driver in use: r8169
       Kernel modules: r8169
04:05.0 PCI bridge: Pericom Semiconductor Device 8140 (prog-if 00 [Normal decode]) 
       Flags: bus master, 66MHz, medium devsel, latency 64
       Bus: primary=04, secondary=05, subordinate=05, sec-latency=64
       Prefetchable memory behind bridge: 00000000f4000000-00000000fbffffff
       Capabilities: [80] Power Management version 2
       Capabilities: [90] CompactPCI hot-swap <?>
       Kernel modules: shpchp
04:06.0 Multimedia video controller: Internext Compression Inc iTVC16 (CX23416) MPEG-2 Encoder (rev 01) 
       Subsystem: Hauppauge computer works Inc. WinTV PVR 250
       Flags: medium devsel, IRQ 21
       Memory at f0000000 (32-bit, prefetchable) [disabled] [size=64M]
       Capabilities: [44] Power Management version 2
       Kernel driver in use: pciback
       Kernel modules: ivtv
04:07.0 Ethernet controller: D-Link System Inc DGE-530T Gigabit Ethernet Adapter (rev 11) (rev 11) Subsystem: D-Link System Inc DGE-530T Gigabit Ethernet Adapter (rev 11) 
       Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 22
       Memory at febfc000 (32-bit, non-prefetchable) [size=16K]
       I/O ports at e800 [size=256]
       Expansion ROM at feb00000 [disabled] [size=128K]
       Capabilities: [48] Power Management version 2
       Capabilities: [50] Vital Product Data <?>
       Kernel driver in use: pciback
       Kernel modules: skge
05:08.0 Multimedia video controller: Internext Compression Inc iTVC16 (CX23416) MPEG-2 Encoder (rev 01) 
       Subsystem: Hauppauge computer works Inc. WinTV PVR 500 (1st unit)
       Flags: medium devsel, IRQ 20
       Memory at f8000000 (32-bit, prefetchable) [disabled] [size=64M]
       Capabilities: [44] Power Management version 2
       Kernel driver in use: pciback
       Kernel modules: ivtv
05:09.0 Multimedia video controller: Internext Compression Inc iTVC16 (CX23416) MPEG-2 Encoder (rev 01) 
       Subsystem: Hauppauge computer works Inc. WinTV PVR 500 (2nd unit)
       Flags: medium devsel, IRQ 21
       Memory at f4000000 (32-bit, prefetchable) [disabled] [size=64M]
       Capabilities: [44] Power Management version 2
       Kernel driver in use: pciback
       Kernel modules: ivtv


From /proc/interrupts:
CPU0 CPU1 CPU2 CPU3 1: 58 0 0 0 Phys-irq-level i8042 
 8:          0          0          0          0  Phys-irq-level     rtc0
 9:          0          0          0          0  Phys-irq-level     acpi
12:          4          0          0          0  Phys-irq-level     i8042
14:          0          0          0          0  Phys-irq-level     ide0
15:      59700          0          0          0  Phys-irq-level     ide1
16: 339121 0 0 0 Phys-irq-level ohci_hcd:usb1, ohci_hcd:usb2, HDA Intel 17: 0 0 0 0 Phys-irq-level ehci_hcd:usb5 18: 3 0 0 0 Phys-irq-level ohci_hcd:usb3, ohci_hcd:usb4, ohci_hcd:usb7 19: 174793 0 0 0 Phys-irq-level ehci_hcd:usb6, peth0 
22:     645023          0          0          0  Phys-irq-level     ahci
256: 450281 0 0 0 Dynamic-irq-level timer0 257: 4704 0 0 0 Dynamic-irq-level resched0 258: 43 0 0 0 Dynamic-irq-level callfunc0 259: 731 0 0 0 Dynamic-irq-level spinlock0 260: 0 2805 0 0 Dynamic-irq-level resched1 261: 0 189 0 0 Dynamic-irq-level callfunc1 262: 0 543 0 0 Dynamic-irq-level spinlock1 263: 0 58565 0 0 Dynamic-irq-level timer1 264: 0 0 4449 0 Dynamic-irq-level resched2 265: 0 0 177 0 Dynamic-irq-level callfunc2 266: 0 0 570 0 Dynamic-irq-level spinlock2 267: 0 0 43025 0 Dynamic-irq-level timer2 268: 0 0 0 3650 Dynamic-irq-level resched3 269: 0 0 0 176 Dynamic-irq-level callfunc3 270: 0 0 0 652 Dynamic-irq-level spinlock3 271: 0 0 0 24529 Dynamic-irq-level timer3 272: 5815 0 0 0 Dynamic-irq-level xenbus 273: 0 0 0 0 Dynamic-irq-level console 274: 0 0 0 0 Dynamic-irq-level suspend 275: 406 0 0 0 Dynamic-irq-level pciback 276: 36 0 0 0 Dynamic-irq-level blkif-backend 277: 162 0 0 0 Dynamic-irq-level blkif-backend 278: 1939 0 0 0 Dynamic-irq-level blkif-backend 279: 178850 0 0 0 Dynamic-irq-level vif1.0 280: 28670 0 0 0 Dynamic-irq-level vif1.1 281: 4372 0 0 0 Dynamic-irq-level blkif-backend 282: 1227 0 0 0 Dynamic-irq-level blkif-backend 283: 8079 0 0 0 Dynamic-irq-level blkif-backend 284: 177 0 0 0 Dynamic-irq-level blkif-backend 285: 106 0 0 0 Dynamic-irq-level blkif-backend 286: 43937 0 0 0 Dynamic-irq-level blkif-backend 287: 28211 0 0 0 Dynamic-irq-level vif2.0 288: 2950 0 0 0 Dynamic-irq-level blkif-backend 289: 5669 0 0 0 Dynamic-irq-level blkif-backend 290: 83 0 0 0 Dynamic-irq-level blkif-backend 291: 148 0 0 0 Dynamic-irq-level blkif-backend 292: 40 0 0 0 Dynamic-irq-level blkif-backend 293: 98438 0 0 0 Dynamic-irq-level blkif-backend 294: 64518 0 0 0 Dynamic-irq-level vif3.0 
NMI:          0          0          0          0   Non-maskable interrupts
RES:       4704       2805       4449       3650   Rescheduling interrupts
CAL:         43        189        177        176   function call interrupts


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