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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-users] OpenSuSE 11.2 bug, dom0-cpus limit causes xenwatch_cb running 100% and xm command freeze and xend dead
Hello, I get a problem while upgrading to OpenSuse 11.2 : cf : https://bugzilla.novell.com/show_bug.cgi?id=552492#status_changes I get a kernel patch and all is OK now the VMs are running flawlessly, even if my server is a much smaller one. You didn't say how much RAM is in your system. Regards JPP Le mardi 24 novembre 2009 Ã 17:36 +0200, Vladislav Karpenko a Ãcrit : > Yes have that also, y could try to fix it if u say in boot kernel option vcpu > amount > mine is: > dom0_mem=512M dom0_vcpus_pin dom0_max_vcpus=1 > > but for now i dont use suse 12.2, its not stable with xen 3.4.1 > > > 23 ÃÄÅÃ. 2009, Ã 15:26, Fischer Udo Attila ÃÃÄÃÃÃÄ(Ã): > > > Hi all, > > > > I have upgraded a test machine from OpenSuSE 11.1 to 11.2. > > I have found following bug: > > the server is a 2x quadcore intel box also 2x4=8cpu > > > > If you limit the dom0 cpu with dom0-cpus= [1-7]: > > - [xenwatch_cb] is running 100% cpu and makes var log entry every 65 sec > > BUG: soft lockup - CPU#X stuck for 61s! > > - xm commands not work > > - xend is dead > > > > > > > > if set dom0-cpus to 0 or 8: > > - everything looks fine > > > > Can somebody else confirm that bug? > > > > > > Best regards > > > > Udo Attila Fischer > > ------------------------------ > > > > > > > > for example: vcpu=7 > > > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > > 4532 root 15 -5 0 0 0 R 100 0.0 11:14.84 xenwatch_cb > > > > > > # ps aux |grep xen > > root 39 0.0 0.0 0 0 ? S< 13:03 0:00 [xenwatch] > > root 40 0.0 0.0 0 0 ? S< 13:03 0:00 [xenbus] > > root 3791 0.0 0.0 11300 1560 ? S 13:04 0:00 /bin/bash > > /etc/init.d/xend start > > root 4209 0.0 0.1 107504 13864 ? S 13:04 0:00 > > /usr/bin/python2.6 /usr/sbin/xend start > > root 4446 0.0 0.0 8488 1000 ? S 13:04 0:00 xenstored > > --pid-file /var/run/xenstore.pid > > root 4448 0.0 0.0 0 0 ? Z 13:04 0:00 > > [xenconsoled] <defunct> > > root 4450 0.0 0.0 0 0 ? Zs 13:04 0:00 [xend] > > <defunct> > > root 4451 0.0 0.1 107500 11500 ? S 13:04 0:00 > > /usr/bin/python2.6 /usr/sbin/xend start > > root 4453 0.0 0.0 22724 560 ? Sl 13:04 0:00 xenconsoled > > root 4455 0.0 0.2 148304 16652 ? Sl 13:04 0:00 > > /usr/bin/python2.6 /usr/sbin/xend start > > root 4532 100 0.0 0 0 ? R< 13:04 40:35 > > [xenwatch_cb] > > root 4533 0.0 0.0 0 0 ? D< 13:04 0:00 > > [xenwatch_cb] > > root 4534 0.0 0.0 0 0 ? D< 13:04 0:00 > > [xenwatch_cb] > > root 4535 0.0 0.0 0 0 ? D< 13:04 0:00 > > [xenwatch_cb] > > root 4536 0.0 0.0 0 0 ? D< 13:04 0:00 > > [xenwatch_cb] > > > > > > > > from /var/log/messages every 65 sec > > > > Nov 23 13:55:14 dom0-u2 kernel: [ 3112.781517] BUG: soft lockup - CPU#4 > > stuck for 61s! [xenwatch_cb:4532] > > Nov 23 13:55:14 dom0-u2 kernel: [ 3112.781517] Modules linked in: > > sha1_generic hmac cryptomgr aead pcompress crypto_ > > blkcipher crypto_hash crypto_algapi drbd netbk blkbk blkback_pagemap > > blktap xenbus_be binfmt_misc xt_tcpudp ip6t_REJ > > ECT nf_conntrack_ipv6 ip6table_raw xt_NOTRACK ipt_REJECT xt_physdev > > xt_state iptable_raw iptable_filter ip6table_man > > gle nf_conntrack_netbios_ns nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 > > ip_tables ip6table_filter ip6_tables x_tab > > les ipv6 bridge stp llc dummy fuse loop dm_mod mptctl iTCO_wdt > > iTCO_vendor_support i5k_amb sg i5000_edac ppdev 8250_ > > pnp pcspkr sr_mod edac_core parport_pc shpchp e1000e dcdbas 8250 > > pci_hotplug tg3 parport serio_raw serial_core butto > > n usbhid hid uhci_hcd ehci_hcd xenblk cdrom xennet edd fan ide_pci_generic > > piix ide_core ata_generic ata_piix mptsas > > mptscsih mptbase scsi_transport_sas thermal processor thermal_sys hwmon > > Nov 23 13:55:14 dom0-u2 kernel: [ 3112.781517] CPU 4: > > Nov 23 13:55:14 dom0-u2 kernel: [ 3112.781517] Modules linked in: > > sha1_generic hmac cryptomgr aead pcompress crypto_blkcipher crypto_hash > > crypto_algapi drbd netbk blkbk blkback_pagemap blktap xenbus_be > > binfmt_misc xt_tcpudp ip6t_REJECT nf_conntrack_ipv6 ip6table_raw > > xt_NOTRACK ipt_REJECT xt_physdev xt_state iptable_raw iptable_filter > > ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_ipv4 nf_conntrack > > nf_defrag_ipv4 ip_tables ip6table_filter ip6_tables x_tables ipv6 bridge > > stp llc dummy fuse loop dm_mod mptctl iTCO_wdt iTCO_vendor_support i5k_amb > > sg i5000_edac ppdev 8250_pnp pcspkr sr_mod edac_core parport_pc shpchp > > e1000e dcdbas 8250 pci_hotplug tg3 parport serio_raw serial_core button > > usbhid hid uhci_hcd ehci_hcd xenblk cdrom xennet edd fan ide_pci_generic > > piix ide_core ata_generic ata_piix mptsas mptscsih mptbase > > scsi_transport_sas thermal processor thermal_sys hwmon > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] RIP: > > e030:[<ffffffff8005f07f>] [<ffffffff8005f07f>] lock_timer_base+ > > 0x7f/0x90 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] RSP: e02b:ffff8801e8d0bc10 > > EFLAGS: 00000246 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] RAX: 0000000000000000 RBX: > > 0000000000000000 RCX: ffffffff80778370 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] RDX: 0000000000000007 RSI: > > ffff8801e8d0bc50 RDI: ffffc90000075280 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] RBP: ffff8801e8d0bc40 R08: > > ffffffff807813b0 R09: 0000000000000000 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] R10: ffff8801e8d0bcf0 R11: > > 00000000e15cfb6d R12: ffffc90000075280 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] R13: ffff8801e8d0bc50 R14: > > 0000000000000000 R15: ffffffff80778600 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] FS: 00007f53d0abf6f0(0000) > > GS:ffffc90000040000(0000) knlGS:0000000000000000 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] CS: e033 DS: 0000 ES: 0000 > > CR0: 000000008005003b > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] CR2: 00007f53d0691260 CR3: > > 0000000000003000 CR4: 0000000000002660 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] DR0: 0000000000000000 DR1: > > 0000000000000000 DR2: 0000000000000000 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] DR3: 0000000000000000 DR6: > > 00000000ffff0ff0 DR7: 0000000000000400 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] Call Trace: > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] [<ffffffff8005f0bc>] > > try_to_del_timer_sync+0x2c/0x90 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] [<ffffffff8005f14a>] > > del_timer_sync+0x2a/0x50 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] [<ffffffff8046758f>] > > mce_cpu_callback+0x122/0x1aa > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] [<ffffffff80471de7>] > > notifier_call_chain+0x57/0xb0 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] [<ffffffff80075a1c>] > > __raw_notifier_call_chain+0x1c/0x40 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] [<ffffffff8045b90f>] > > _cpu_down+0xaf/0x310 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] [<ffffffff8045bbf7>] > > cpu_down+0x87/0xb0 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] [<ffffffff8046a42c>] > > vcpu_hotplug+0xce/0x102 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] [<ffffffff8046a4ab>] > > handle_vcpu_hotplug_event+0x4b/0x61 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] [<ffffffff80306c4c>] > > xenwatch_handle_callback+0x2c/0x80 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] [<ffffffff8006fb96>] > > kthread+0xb6/0xc0 > > Nov 23 13:54:09 dom0-u2 kernel: [ 3047.280855] [<ffffffff8000d38a>] > > child_rip+0xa/0x20 > > > > > > > > _______________________________________________ > > Xen-users mailing list > > Xen-users@xxxxxxxxxxxxxxxxxxx > > http://lists.xensource.com/xen-users > > > _______________________________________________ > Xen-users mailing list > Xen-users@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-users _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users
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