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Re: [Xen-devel] xen dom0 2.6.32.15 kernel BUG at drivers/xen/grant-table

from [Jeremy Fitzhardinge] [Permanent Link][Original]
To: Arnd Hannemann <hannemann@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] xen dom0 2.6.32.15 kernel BUG at drivers/xen/grant-table.c:583
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Mon, 14 Jun 2010 11:56:29 +0100
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On 06/14/2010 08:53 AM, Arnd Hannemann wrote:
> Hi,
>
> we have regular but hard to reproduce (wait for a day or two starting domUs) 
> kernel panics (see below) with latest
> "xen/stable-2.6.32.x" git tree.
>   

Are you sure its the latest?  There were some problems with the
tasklet-based netback patches which I since reverted.  (And I now have
fixes for, so I'll reapply them soon.)

    J

> Any idea, anyone?
>
> Best regards,
> Arnd
>
> Jun 11 20:03:16 vmhost1 logger: /etc/xen/scripts/vif-bridge: Successful 
> vif-bridge online for vif861.1, bridge br0.
> Jun 11 20:03:16 vmhost1 logger: /etc/xen/scripts/vif-bridge: Writing 
> backend/vif/861/1/hotplug-status connected to xenstore.
> Jun 11 20:03:16 vmhost1 [21717.809194] ------------[ cut here ]------------
> Jun 11 20:03:16 vmhost1 [21717.809227] kernel BUG at 
> drivers/xen/grant-table.c:583!
> Jun 11 20:03:16 vmhost1 [21717.809251] invalid opcode: 0000 [#1]
> Jun 11 20:03:16 vmhost1 SMP
> Jun 11 20:03:16 vmhost1
> Jun 11 20:03:16 vmhost1 [21717.809295] last sysfs file: 
> /sys/devices/virtual/net/br0/bridge/topology_change_detected
> Jun 11 20:03:16 vmhost1 [21717.809324] Modules linked in:
> Jun 11 20:03:16 vmhost1 netconsole
> Jun 11 20:03:16 vmhost1 raid0
> Jun 11 20:03:16 vmhost1 md_mod
> Jun 11 20:03:16 vmhost1 rtc_cmos
> Jun 11 20:03:16 vmhost1 rtc_core
> Jun 11 20:03:16 vmhost1 rtc_lib
> Jun 11 20:03:16 vmhost1 thermal
> Jun 11 20:03:16 vmhost1 processor
> Jun 11 20:03:16 vmhost1 pl2303
> Jun 11 20:03:16 vmhost1 thermal_sys
> Jun 11 20:03:16 vmhost1 button
> Jun 11 20:03:16 vmhost1 usbserial
> Jun 11 20:03:16 vmhost1 acpi_processor
> Jun 11 20:03:16 vmhost1 hwmon
> Jun 11 20:03:16 vmhost1 sr_mod
> Jun 11 20:03:16 vmhost1 cdrom
> Jun 11 20:03:16 vmhost1 ipv6
> Jun 11 20:03:16 vmhost1 evdev
> Jun 11 20:03:16 vmhost1
> Jun 11 20:03:16 vmhost1 [21717.809575]
> Jun 11 20:03:16 vmhost1 [21717.809593] Pid: 0, comm: swapper Not tainted 
> (2.6.32.15-xen4.0.0-dom0 #1) System Product Name
> Jun 11 20:03:16 vmhost1 [21717.809624] EIP: 0061:[<c120f170>] EFLAGS: 
> 00010282 CPU: 0
> Jun 11 20:03:16 vmhost1 [21717.809652] EIP is at 
> gnttab_copy_grant_page+0x1f0/0x260
> Jun 11 20:03:16 vmhost1 [21717.809675] EAX: ffffffea EBX: c153be84 ECX: 
> 00000001 EDX: 00000000
> Jun 11 20:03:16 vmhost1 [21717.809700] ESI: 00007ff0 EDI: 0000003e EBP: 
> c290dde0 ESP: c153be50
> Jun 11 20:03:16 vmhost1 [21717.809726]  DS: 007b ES: 007b FS: 00d8 GS: 0000 
> SS: 0069
> Jun 11 20:03:16 vmhost1 [21717.809750] Process swapper (pid: 0, ti=c153a000 
> task=c1543760 task.ti=c153a000)
> Jun 11 20:03:16 vmhost1 [21717.809777] Stack:
> Jun 11 20:03:16 vmhost1 [21717.809793]  00000000
> Jun 11 20:03:16 vmhost1 0021412d
> Jun 11 20:03:16 vmhost1 c28f02e0
> Jun 11 20:03:16 vmhost1 0002c1ef
> Jun 11 20:03:16 vmhost1 ec1ef000
> Jun 11 20:03:16 vmhost1 ecf85adc
> Jun 11 20:03:16 vmhost1 0000003e
> Jun 11 20:03:16 vmhost1 ec1ef000
> Jun 11 20:03:16 vmhost1
> Jun 11 20:03:16 vmhost1 [21717.809917] <0>
> Jun 11 20:03:16 vmhost1 00000000
> Jun 11 20:03:16 vmhost1 eb317000
> Jun 11 20:03:16 vmhost1 00000000
> Jun 11 20:03:16 vmhost1 0000003e
> Jun 11 20:03:16 vmhost1 eb2a0000
> Jun 11 20:03:16 vmhost1 1412d001
> Jun 11 20:03:16 vmhost1 00000000
> Jun 11 20:03:16 vmhost1 0002c1ef
> Jun 11 20:03:16 vmhost1
> Jun 11 20:03:16 vmhost1 [21717.810059] <0>
> Jun 11 20:03:16 vmhost1 00000000
> Jun 11 20:03:16 vmhost1 c1627f54
> Jun 11 20:03:16 vmhost1 c155b97
> Jun 11 20:03:16 vmhost1 8
> Jun 11 20:03:16 vmhost1 c1627f54
> Jun 11 20:03:16 vmhost1 01c5b765
> Jun 11 20:03:16 vmhost1 c121fff1
> Jun 11 20:03:16 vmhost1 c1006a98
> Jun 11 20:03:16 vmhost1 c3b90240
> Jun 11 20:03:16 vmhost1
> Jun 11 20:03:16 vmhost1 [21717.810146] Call Trace:
> Jun 11 20:03:16 vmhost1 [21717.810168]  [<c121fff1>] ? 
> net_tx_action+0x1d1/0x9b0
> Jun 11 20:03:16 vmhost1 [21717.810197]  [<c1006a98>] ? check_events+0x8/0xc
> Jun 11 20:03:16 vmhost1 [21717.810224]  [<c1040c1d>] ? 
> run_timer_softirq+0x15d/0x1e0
> Jun 11 20:03:16 vmhost1 [21717.810252]  [<c103bc2e>] ? 
> tasklet_action+0x9e/0xb0
> Jun 11 20:03:16 vmhost1 [21717.810278]  [<c103c378>] ? __do_softirq+0x88/0x110
> Jun 11 20:03:16 vmhost1 [21717.810304]  [<c1210057>] ? 
> __xen_evtchn_do_upcall+0xd7/0x160
> Jun 11 20:03:16 vmhost1 [21717.810332]  [<c103c43d>] ? do_softirq+0x3d/0x40
> Jun 11 20:03:16 vmhost1 [21717.810357]  [<c121063a>] ? 
> xen_evtchn_do_upcall+0x2a/0x40
> Jun 11 20:03:16 vmhost1 [21717.810385]  [<c1009da7>] ? xen_do_upcall+0x7/0xc
> Jun 11 20:03:16 vmhost1 [21717.810411]  [<c10013a7>] ? 
> hypercall_page+0x3a7/0x1010
> Jun 11 20:03:16 vmhost1 [21717.810442]  [<c10061ef>] ? xen_safe_halt+0xf/0x20
> Jun 11 20:03:16 vmhost1 [21717.810474]  [<c100382c>] ? xen_idle+0x1c/0x30
> Jun 11 20:03:16 vmhost1 [21717.810501]  [<c10081fa>] ? cpu_idle+0x3a/0x60
> Jun 11 20:03:16 vmhost1 [21717.810527]  [<c15787ef>] ? 
> start_kernel+0x2c6/0x2cb
> Jun 11 20:03:16 vmhost1 [21717.810559]  [<c1578367>] ? 
> unknown_bootoption+0x0/0x190
> Jun 11 20:03:16 vmhost1 [21717.810594]  [<c157b0e6>] ? 
> xen_start_kernel+0x624/0x62c
> Jun 11 20:03:16 vmhost1 [21717.810620] Code:
> Jun 11 20:03:16 vmhost1 8d
> Jun 11 20:03:16 vmhost1 5c
> Jun 11 20:03:16 vmhost1 24
> Jun 11 20:03:16 vmhost1 34
> Jun 11 20:03:16 vmhost1 c1
> Jun 11 20:03:16 vmhost1 e0
> Jun 11 20:03:16 vmhost1 0c
> Jun 11 20:03:16 vmhost1 83
> Jun 11 20:03:16 vmhost1 c8
> Jun 11 20:03:16 vmhost1 01
> Jun 11 20:03:16 vmhost1 89
> Jun 11 20:03:16 vmhost1 44
> Jun 11 20:03:16 vmhost1 24
> Jun 11 20:03:16 vmhost1 34
> Jun 11 20:03:16 vmhost1 8b
> Jun 11 20:03:16 vmhost1 44
> Jun 11 20:03:16 vmhost1 24
> Jun 11 20:03:16 vmhost1 0c
> Jun 11 20:03:16 vmhost1 c7
> Jun 11 20:03:16 vmhost1 44
> Jun 11 20:03:16 vmhost1 24
> Jun 11 20:03:16 vmhost1 40
> Jun 11 20:03:16 vmhost1 00
> Jun 11 20:03:16 vmhost1 00
> Jun 11 20:03:16 vmhost1 00
> Jun 11 20:03:16 vmhost1 00
> Jun 11 20:03:16 vmhost1 89
> Jun 11 20:03:16 vmhost1 44
> Jun 11 20:03:16 vmhost1 24
> Jun 11 20:03:16 vmhost1 3c
> Jun 11 20:03:16 vmhost1 e8
> Jun 11 20:03:16 vmhost1 b8
> Jun 11 20:03:16 vmhost1 1e
> Jun 11 20:03:16 vmhost1 df
> Jun 11 20:03:16 vmhost1 ff
> Jun 11 20:03:16 vmhost1 85
> Jun 11 20:03:16 vmhost1 c0
> Jun 11 20:03:16 vmhost1 0f
> Jun 11 20:03:16 vmhost1 84
> Jun 11 20:03:16 vmhost1 2c
> Jun 11 20:03:16 vmhost1 ff
> Jun 11 20:03:16 vmhost1 ff
> Jun 11 20:03:16 vmhost1 ff
> Jun 11 18:03:15 vmhost1 unparseable log message: "<0f> "
> Jun 11 20:03:16 vmhost1 0b
> Jun 11 20:03:16 vmhost1 eb
> Jun 11 20:03:16 vmhost1 fe
> Jun 11 20:03:16 vmhost1 0f
> Jun 11 20:03:16 vmhost1 0b
> Jun 11 20:03:16 vmhost1 eb
> Jun 11 20:03:16 vmhost1 fe
> Jun 11 20:03:16 vmhost1 0f
> Jun 11 20:03:16 vmhost1 0b
> Jun 11 20:03:16 vmhost1 eb
> Jun 11 20:03:16 vmhost1 fe
> Jun 11 20:03:16 vmhost1 8b
> Jun 11 20:03:16 vmhost1 54
> Jun 11 20:03:16 vmhost1 24
> Jun 11 20:03:16 vmhost1 04
> Jun 11 20:03:16 vmhost1 8b
> Jun 11 20:03:16 vmhost1 44
> Jun 11 20:03:16 vmhost1 24
> Jun 11 20:03:16 vmhost1 0c
> Jun 11 20:03:16 vmhost1 e8
> Jun 11 20:03:16 vmhost1
> Jun 11 20:03:16 vmhost1 [21717.811364] EIP: [<c120f170>]
> Jun 11 20:03:16 vmhost1 gnttab_copy_grant_page+0x1f0/0x260
> Jun 11 20:03:16 vmhost1 SS:ESP 0069:c153be50
> Jun 11 20:03:16 vmhost1 [21717.811821] ---[ end trace 763de4792c00b5c0 ]---
> Jun 11 20:03:16 vmhost1 [21717.811962] Kernel panic - not syncing: Fatal 
> exception in interrupt
> Jun 11 20:03:16 vmhost1 [21717.812043] Pid: 0, comm: swapper Tainted: G      
> D    2.6.32.15-xen4.0.0-dom0 #1
> Jun 11 20:03:16 vmhost1 [21717.812192] Call Trace:
> Jun 11 20:03:16 vmhost1 [21717.812276]  [<c141d2e5>] ? panic+0x42/0xe1
> Jun 11 20:03:16 vmhost1 [21717.812350]  [<c100cc56>] ? oops_end+0x96/0xa0
> Jun 11 20:03:16 vmhost1 [21717.812422]  [<c100a73f>] ? do_invalid_op+0x7f/0x90
> Jun 11 20:03:16 vmhost1 [21717.812496]  [<c120f170>] ? 
> gnttab_copy_grant_page+0x1f0/0x260
> Jun 11 20:03:16 vmhost1 [21717.812574]  [<c10741e4>] ? 
> __alloc_pages_nodemask+0xe4/0x5b0
> Jun 11 20:03:16 vmhost1 [21717.812650]  [<c1006197>] ? 
> xen_force_evtchn_callback+0x17/0x30
> Jun 11 20:03:16 vmhost1 [21717.812726]  [<c1006a98>] ? check_events+0x8/0xc
> Jun 11 20:03:16 vmhost1 [21717.812799]  [<c141f9d6>] ? error_code+0x66/0x6c
> Jun 11 20:03:16 vmhost1 [21717.812872]  [<c100a6c0>] ? do_invalid_op+0x0/0x90
> Jun 11 20:03:16 vmhost1 [21717.812945]  [<c120f170>] ? 
> gnttab_copy_grant_page+0x1f0/0x260
> Jun 11 20:03:16 vmhost1 [21717.813022]  [<c121fff1>] ? 
> net_tx_action+0x1d1/0x9b0
> Jun 11 20:03:16 vmhost1 [21717.813108]  [<c1006a98>] ? check_events+0x8/0xc
> Jun 11 20:03:16 vmhost1 [21717.813185]  [<c1040c1d>] ? 
> run_timer_softirq+0x15d/0x1e0
> Jun 11 20:03:16 vmhost1 [21717.813260]  [<c103bc2e>] ? 
> tasklet_action+0x9e/0xb0
> Jun 11 20:03:16 vmhost1 [21717.813333]  [<c103c378>] ? __do_softirq+0x88/0x110
> Jun 11 20:03:16 vmhost1 [21717.813407]  [<c1210057>] ? 
> __xen_evtchn_do_upcall+0xd7/0x160
> Jun 11 20:03:16 vmhost1 [21717.813483]  [<c103c43d>] ? do_softirq+0x3d/0x40
> Jun 11 20:03:16 vmhost1 [21717.813556]  [<c121063a>] ? 
> xen_evtchn_do_upcall+0x2a/0x40
> Jun 11 20:03:16 vmhost1 [21717.813631]  [<c1009da7>] ? xen_do_upcall+0x7/0xc
> Jun 11 20:03:16 vmhost1 [21717.813704]  [<c10013a7>] ? 
> hypercall_page+0x3a7/0x1010
> Jun 11 20:03:16 vmhost1 [21717.813779]  [<c10061ef>] ? xen_safe_halt+0xf/0x20
> Jun 11 20:03:16 vmhost1 [21717.813852]  [<c100382c>] ? xen_idle+0x1c/0x30
> Jun 11 20:03:16 vmhost1 [21717.813939]  [<c10081fa>] ? cpu_idle+0x3a/0x60
> Jun 11 20:03:16 vmhost1 [21717.814024]  [<c15787ef>] ? 
> start_kernel+0x2c6/0x2cb
> Jun 11 20:03:16 vmhost1 [21717.814101]  [<c1578367>] ? 
> unknown_bootoption+0x0/0x190
> Jun 11 20:03:16 vmhost1 [21717.814181]  [<c157b0e6>] ? 
> xen_start_kernel+0x624/0x62c
>
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