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Re: [Xen-devel] crash in is_xen_swiotlb_buffer
On Mar 12, 2012 12:28 PM, "Goncalo Gomes" <Goncalo.Gomes@xxxxxxxxxxxxx> wrote:
>
> I've compiled unstable c/s: 5d20d2f6ffed and linux 3.2.9 but I've been
Do you get similar issues with Xen 4.1?
> experiencing a couple of panics since. Two times I was able to
> reproduce the crash by simply running upgrade-grub2 after fiddling
> with linux/xen cmdline options, but I noticed it does also crash on
> other (less known) occasions. No VMs have been setup yet, so it's
> purely a domain 0 setup so far.
>
> Attaching the relevant files, in the hope they may help understanding
> the cause of this.
>
> - xl-dmesg.out
> - dmidecode.out
> - lspci-vvv.out
> - 3.2.9-config
Also need dmesg of dom0
>
> Goncalo
>
> [ 197.398425] BUG: unable to handle kernel paging request at 000012b7
> [ 197.398794] IP: [<c1269dae>] is_xen_swiotlb_buffer+0x35/0x80
> [ 197.399085] *pdpt = 0000000000000000 *pde = 0000000000000000
> [ 197.399406] Oops: 0000 [#1] SMP
> [ 197.399720] Modules linked in: dm_mod binfmt_misc loop processor
> thermal_sys hwmon button sd_mod mptsas mptscsih mptbase
> scsi_transport_sas bnx2 scsi_mod [last unloaded: scsi_wait_scan]
> [ 197.400971]
> [ 197.401213] Pid: 0, comm: swapper/0 Tainted: G W 3.2.9 #9
> Dell Inc. PowerEdge R310/05XKKK
> [ 197.401779] EIP: 0061:[<c1269dae>] EFLAGS: 00010206 CPU: 0
> [ 197.402030] EIP is at is_xen_swiotlb_buffer+0x35/0x80
> [ 197.402280] EAX: 00000063 EBX: ffffffff ECX: c1779000 EDX: ffffffff
> [ 197.402534] ESI: 00000000 EDI: 00000002 EBP: 00000000 ESP: e3c0fec4
> [ 197.402805] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069
> [ 197.403055] Process swapper/0 (pid: 0, ti=e3c0e000 task=c1641060
> task.ti=c163a000)
> [ 197.403513] Stack:
> [ 197.403756] 00000000 00000000 c1269e38 ffffffff e3e2a860 00000092
> c5790480 f017e220
> [ 197.404510] c1269efb c5b0a0c0 c1269f0a 00000092 00000002 00000000
> eda6757c 00000092
> [ 197.405245] 00000002 04450000 00000000 00000444 00000000 00000000
> 00000000 00000544
> [ 197.405985] Call Trace:
> [ 197.406233] [<c1269e38>] ? xen_swiotlb_sync_single+0x3f/0x7b
> [ 197.406488] [<c1269efb>] ?
> xen_swiotlb_sync_single_for_device+0x13/0x13
> [ 197.406744] [<c1269f0a>] ?
> xen_swiotlb_sync_single_for_cpu+0xf/0x13
> [ 197.407026] [<eda6757c>] ? bnx2_rx_int+0xf5/0x3de [bnx2]
> [ 197.407286] [<eda678b3>] ? bnx2_poll_work+0x4e/0x56 [bnx2]
> [ 197.407537] [<eda679a3>] ? bnx2_poll+0x5f/0xe7 [bnx2]
> [ 197.407788] [<c1047372>] ? irq_enter+0x49/0x49
> [ 197.408037] [<c13083f6>] ? net_rx_action+0xb8/0x1d6
> [ 197.408307] [<c1047372>] ? irq_enter+0x49/0x49
> [ 197.408556] [<c104741a>] ? __do_softirq+0xa8/0x168
> [ 197.408805] [<c1047372>] ? irq_enter+0x49/0x49
> [ 197.409052] <IRQ>
> [ 197.409332] [<c1047248>] ? irq_exit+0x2f/0x91
> [ 197.409588] [<c126234e>] ? xen_evtchn_do_upcall+0x1d/0x26
> [ 197.409843] [<c13d18c7>] ? xen_do_upcall+0x7/0xc
> [ 197.410095] [<c106007b>] ? update_wall_time+0xa0/0x3ef
> [ 197.410348] [<c10023a7>] ? hypercall_page+0x3a7/0x1000
> [ 197.410601] [<c1006772>] ? xen_safe_halt+0xf/0x1b
> [ 197.410852] [<c10137b4>] ? default_idle+0x65/0xb8
> [ 197.411122] [<c100c2c3>] ? cpu_idle+0x61/0x7e
> [ 197.411373] [<c16787f5>] ? start_kernel+0x34a/0x34d
> [ 197.411627] [<c167a258>] ? xen_start_kernel+0x554/0x55b
> [ 197.411875] Code: ff ff ff 89 c3 e8 09 d6 d9 ff 39 f0 b8 ff ff ff
> ff 0f 45 d8 89 d8 c1 e8 0e 0f be 80 e0 44 67 c1 85 c0 78 4d 8b 14 85
> c0 44 67 c1 <8b> 82 b8 12 00 00 03 82 b0 12 00 00 39 c3 73 36 a1 28
> [ 197.414841] EIP: [<c1269dae>] is_xen_swiotlb_buffer+0x35/0x80
> SS:ESP 0069:e3c0fec4
> [ 197.420448] CR2: 00000000000012b7
> [ 197.420711] ---[ end trace 4eaa2a86a8e2da48 ]---
> [ 197.420962] Kernel panic - not syncing: Fatal exception in
> interrupt
> [ 197.421214] Pid: 0, comm: swapper/0 Tainted: G D W 3.2.9 #9
> [ 197.421466] Call Trace:
> [ 197.421709] [<c13ce57c>] ? panic+0x4d/0x157
> [ 197.421958] [<c100efc4>] ? oops_end+0xad/0xb8
> [ 197.422226] [<c102a930>] ? bad_area_nosemaphore+0xa/0xc
> [ 197.422474] [<c102ad3d>] ? do_page_fault+0x167/0x31a
> [ 197.422726] [<c11fe40d>] ? cpumask_next_and+0x20/0x2b
> [ 197.422975] [<c1029b90>] ? pvclock_clocksource_read+0xec/0x11e
> [ 197.423230] [<c100b840>] ? __spin_time_accum+0x26/0x36
> [ 197.423502] [<c100ba6f>] ? __xen_spin_lock+0xb4/0xc8
> [ 197.423754] [<c100673c>] ? xen_force_evtchn_callback+0xc/0x10
> [ 197.424008] [<c102abd6>] ? vmalloc_sync_all+0xb6/0xb6
> [ 197.424261] [<c13d106e>] ? error_code+0x5a/0x60
> [ 197.424512] [<c102abd6>] ? vmalloc_sync_all+0xb6/0xb6
> [ 197.424763] [<c1269dae>] ? is_xen_swiotlb_buffer+0x35/0x80
> [ 197.425034] [<c1269e38>] ? xen_swiotlb_sync_single+0x3f/0x7b
> [ 197.425289] [<c1269efb>] ?
> xen_swiotlb_sync_single_for_device+0x13/0x13
> [ 197.425545] [<c1269f0a>] ?
> xen_swiotlb_sync_single_for_cpu+0xf/0x13
> [ 197.425801] [<eda6757c>] ? bnx2_rx_int+0xf5/0x3de [bnx2]
> [ 197.426054] [<eda678b3>] ? bnx2_poll_work+0x4e/0x56 [bnx2]
> [ 197.426328] [<eda679a3>] ? bnx2_poll+0x5f/0xe7 [bnx2]
> [ 197.426579] [<c1047372>] ? irq_enter+0x49/0x49
> [ 197.426830] [<c13083f6>] ? net_rx_action+0xb8/0x1d6
> [ 197.427083] [<c1047372>] ? irq_enter+0x49/0x49
> [ 197.427337] [<c104741a>] ? __do_softirq+0xa8/0x168
> [ 197.427590] [<c1047372>] ? irq_enter+0x49/0x49
> [ 197.427853] <IRQ> [<c1047248>] ? irq_exit+0x2f/0x91
> [ 197.428149] [<c126234e>] ? xen_evtchn_do_upcall+0x1d/0x26
> [ 197.428410] [<c13d18c7>] ? xen_do_upcall+0x7/0xc
> [ 197.428668] [<c106007b>] ? update_wall_time+0xa0/0x3ef
> [ 197.428920] [<c10023a7>] ? hypercall_page+0x3a7/0x1000
> [ 197.429191] [<c1006772>] ? xen_safe_halt+0xf/0x1b
> [ 197.429446] [<c10137b4>] ? default_idle+0x65/0xb8
> [ 197.429695] [<c100c2c3>] ? cpu_idle+0x61/0x7e
> [ 197.429941] [<c16787f5>] ? start_kernel+0x34a/0x34d
> [ 197.430189] [<c167a258>] ? xen_start_kernel+0x554/0x55b
> (XEN) Domain 0 crashed: rebooting machine in 5 seconds.
>
>
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