From: David F Barrera <dfbp@us.ibm.com>
To: David F Barrera <dfbp@us.ibm.com>
Cc: xen-devel@lists.xensource.com
Subject: Re: Unable to handle kernel NULL pointer dereference at 000000000000004c RIP:
Date: Thu, 29 Jun 2006 10:50:23 -0500 [thread overview]
Message-ID: <44A3F6BF.7080305@us.ibm.com> (raw)
In-Reply-To: <44A3EE83.6080505@us.ibm.com>
Bug written: http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=692
David F Barrera wrote:
> More details: all machines were running xm-test, specifically the
> block_attach* set of tests, when the problem occurred.
>
> David F Barrera wrote:
>> The following error is causing my test machines to crash.
>>
>> changeset: 10520:ae245d35457b
>> tag: tip
>> user: kaf24@firebug.cl.cam.ac.uk
>> date: Wed Jun 28 07:59:29 2006 +0100
>> summary: [HVM][Firmware] Make the creation of MP tables more dynamic
>>
>>
>> bl2-1 login: Unable to handle kernel NULL pointer dereference at
>> 000000000000004c RIP:
>> <ffffffff8018ad91>{d_delete+33}
>> PGD 1c51c067 PUD ec07067 PMD 0
>> Oops: 0000 [1] SMP
>> CPU 3
>> Modules linked in: bridge usbserial parport_pc lp parport sg st
>> sr_mod ide_cd cdrom joydev thermal processor fan button battery ac
>> ipv6 usbhid i2c_i801 i2c_core e752x_edac edac_mc uhci_hcd tg3 usbcore
>> dm_mod piix ext3 jbd sd_mod
>> Pid: 20, comm: xenwatch Not tainted 2.6.16.13-xen #1
>> RIP: e030:[<ffffffff8018ad91>] <ffffffff8018ad91>{d_delete+33}
>> RSP: e02b:ffff88001f171d18 EFLAGS: 00010246
>> RAX: 0000000000000000 RBX: ffff88000e04a7c8 RCX: ffff88001d5aec10
>> RDX: 0000000000000000 RSI: 00002fe7dbae1026 RDI: ffff88000e04a7d0
>> RBP: 0000000000000000 R08: 0000000000000073 R09: 00002fe7dbae1026
>> R10: 0000000000007ff0 R11: ffff88001cca1048 R12: ffff88001d5aebb0
>> R13: ffff88000e04a7c8 R14: ffff880000a81d98 R15: ffffffff80141652
>> FS: 00002b133c86cbc0(0000) GS:ffffffff80487180(0000)
>> knlGS:0000000000000000
>> CS: e033 DS: 0000 ES: 0000
>> Process xenwatch (pid: 20, threadinfo ffff88001f170000, task
>> ffff88000096e8a0)
>> Stack: 0000000000000000 ffff88000e04a7c8 ffffffff803d3b40
>> ffffffff801b25ba
>> 00002fe7dbae1026 ffff88000e04a7c8 ffffffff803d3b40
>> ffff88001cca1000
>> 00000000fffffffc ffffffff801b2fa5
>> Call Trace: <ffffffff801b25ba>{remove_dir+68}
>> ------------------------------------------------------------------------
>>
>> bl2-1 login: Unable to handle kernel NULL pointer dereference at
>> 000000000000004c RIP:
>> <ffffffff8018ad91>{d_delete+33}
>> PGD 1c51c067 PUD ec07067 PMD 0
>> Oops: 0000 [1] SMP
>> CPU 3
>> Modules linked in: bridge usbserial parport_pc lp parport sg st
>> sr_mod ide_cd cdrom joydev thermal processor fan button battery ac
>> ipv6 usbhid i2c_i801 i2c_core e752x_edac edac_mc uhci_hcd tg3 usbcore
>> dm_mod piix ext3 jbd sd_mod
>> Pid: 20, comm: xenwatch Not tainted 2.6.16.13-xen #1
>> RIP: e030:[<ffffffff8018ad91>] <ffffffff8018ad91>{d_delete+33}
>> RSP: e02b:ffff88001f171d18 EFLAGS: 00010246
>> RAX: 0000000000000000 RBX: ffff88000e04a7c8 RCX: ffff88001d5aec10
>> RDX: 0000000000000000 RSI: 00002fe7dbae1026 RDI: ffff88000e04a7d0
>> RBP: 0000000000000000 R08: 0000000000000073 R09: 00002fe7dbae1026
>> R10: 0000000000007ff0 R11: ffff88001cca1048 R12: ffff88001d5aebb0
>> R13: ffff88000e04a7c8 R14: ffff880000a81d98 R15: ffffffff80141652
>> FS: 00002b133c86cbc0(0000) GS:ffffffff80487180(0000)
>> knlGS:0000000000000000
>> CS: e033 DS: 0000 ES: 0000
>> Process xenwatch (pid: 20, threadinfo ffff88001f170000, task
>> ffff88000096e8a0)
>> Stack: 0000000000000000 ffff88000e04a7c8 ffffffff803d3b40
>> ffffffff801b25ba
>> 00002fe7dbae1026 ffff88000e04a7c8 ffffffff803d3b40
>> ffff88001cca1000
>> 00000000fffffffc ffffffff801b2fa5
>> Call Trace: <ffffffff801b25ba>{remove_dir+68}
>> <ffffffff801\uffff\uffff\uffff\uffff\uffff\uffff\ud455\u0665\uffff\uffff}\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\ud455\u0665\uffff\uffff}\u0579\u0255\uffff\uffff\uffff\u0455\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\u027d\uffff\u0455\uffff\uffff}\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\u0461\uffff\u0255\uffff\uffff}\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\u1579\u0745\u044d\uffff}\u0461\u0255\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\u1579\u0745\u044d\uffff}\uffff\uffff\uffff\uffff\uffff\uffff}\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\u1579\u0745\u044d\uffff}\u0461\u0255\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\u047d\u0255\uffff\uffff\u0655}\u0745\uffff\uffff}\uffff\u0579\uffff\u0465\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\u0655\uffff\u0451}\uffff\u0255\uffff\u0455}\uffff\u0461\u0255\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\u047d\u0255\uffff\uffff\u0655}\u0745\uffff\uffff}\uffff\u0579\uffff\u0465\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\u0655\uffff\u0451}\uffff\u0255\uffff\u0455}\uffff\u0461\u0255\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\u1579\u0745\u044d\uffff}\u0461\u0255\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\u0461\u0255\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\ud361\uffff\uffff\uffff}\u0265\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\u0655\uffff\u0451}\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffffI%A\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff}\uffff\uffff\uffff\uffff\u0455\uffffIMA\uffff\uffff\uffff\uffff\uffff<3>BUG:
>> soft lockup detected on CPU#2!
>> CPU 2:
>> Modules linked in: bridge usbserial parport_pc lp parport sg st
>> sr_mod ide_cd cdrom joydev thermal processor fan button battery ac
>> ipv6 usbhid i2c_i801 i2c_core e752x_edac edac_mc uhci_hcd tg3 usbcore
>> dm_mod piix ext3 jbd sd_mod
>> Pid: 13905, comm: trivial-rewrite Not tainted 2.6.16.13-xen #1
>> RIP: e030:[<ffffffff8032c326>]
>> <ffffffff8032c326>{.text.lock.spinlock+25}
>> RSP: e02b:ffff88000ab1de10 EFLAGS: 00000286
>> RAX: 0000000000000000 RBX: ffff88000416b9e0 RCX: 0000000000000000
>> RDX: 0000000000000000 RSI: ffffffff80499680 RDI: ffffffff80499680
>> RBP: ffffffff80499680 R08: ffff8800010cb268 R09: ffff880001000000
>> R10: 0000000000007ff0 R11: ffff8800015655d8 R12: ffff88001ab649b8
>> R13: ffff88001ab649b8 R14: ffff8800007382c0 R15: ffff88000416b9e0
>> FS: 00002b79cbb4e960(0000) GS:ffffffff80487100(0000)
>> knlGS:0000000000000000
>> CS: e033 DS: 0000 ES: 0000
>>
>> Call Trace: <ffffffff802051fd>{_atomic_dec_and_lock+57}
>> <ffffffff8018b3f2>{dput+42} <ffffffff8017683d>{__fput+337}
>> <ffffffff801648d4>{remove_vma+59}
>> <ffffffff801649bd>{exit_mmap+211}
>> <ffffffff8012aefc>{mmput+37} <ffffffff80130ea8>{do_exit+520}
>> <ffffffff80131620>{sys_exit_group+0}
>> <ffffffff8010ae56>{system_call+134}
>> <ffffffff8010add0>{system_call+0}
>> BUG: soft lockup detected on CPU#0!
>> CPU 0:
>> Modules linked in: bridge usbserial parport_pc lp parport sg st
>> sr_mod ide_cd cdrom joydev thermal processor fan button battery ac
>> ipv6 usbhid i2c_i801 i2c_core e752x_edac edac_mc uhci_hcd tg3 usbcore
>> dm_mod piix ext3 jbd sd_mod
>> Pid: 14641, comm: xenstored Not tainted 2.6.16.13-xen #1
>> RIP: e030:[<ffffffff8032c323>]
>> <ffffffff8032c323>{.text.lock.spinlock+22}
>> RSP: e02b:ffff88001bd51dc0 EFLAGS: 00000286
>> RAX: ffffffff803b94e0 RBX: ffff880007c66a20 RCX: 0000000000000037
>> RDX: 0000000000000000 RSI: ffff880007c66a20 RDI: ffffffff80499680
>> RBP: ffff880007c66ae8 R08: ffffffff801b72aa R09: 7efefefefefefeff
>> R10: 7efefefefefefeff R11: ffff8800047ff458 R12: ffff880007c66a20
>> R13: ffff880007c66ae8 R14: ffff88001e4a8d28 R15: ffff88001e4a8d28
>> FS: 00002aceb17ed0a0(0000) GS:ffffffff80487000(0000)
>> knlGS:0000000000000000
>> CS: e033 DS: 0000 ES: 0000
>>
>> Call Trace: <ffffffff8018aa61>{d_move+46}
>> <ffffffff80183198>{vfs_rename+775}
>> <ffffffff801856be>{sys_renameat+393} <ffffffff80176267>{sBUG:
>> soft lockup detected on CPU#1!
>> CPU 1:
>> Modules linked in: bridge usbserial parport_pc lp parport sg st
>> sr_mod ide_cd cdrom joydev thermal processor fan button battery ac
>> ipv6 usbhid i2c_i801 i2c_core e752x_edac edac_mc uhci_hcd tg3 usbcore
>> dm_mod piix ext3 jbd sd_mod
>> Pid: 1903, comm: irqbalance Not tainted 2.6.16.13-xen #1
>> RIP: e030:[<ffffffff8032c326>]
>> <ffffffff8032c326>{.text.lock.spinlock+25}
>> RSP: e02b:ffff88001aaa5c70 EFLAGS: 00000286
>> RAX: ffff880000ad0c00 RBX: ffff88000e04aae8 RCX: 0000000000000000
>> RDX: ffff88000e04ab8c RSI: ffff880011ad4010 RDI: ffffffff80499680
>> RBP: ffff880000de4918 R08: 0000000000000001 R09: ffffffffff578040
>> R10: ffff880000549998 R11: ffffffffff578040 R12: ffff88001aaa5cf8
>> R13: ffff880000acfd58 R14: ffff88001aaa5ec8 R15: ffff88001aaa5cf8
>> FS: 00002b36d77756e0(0000) GS:ffffffff80487080(0000)
>> knlGS:0000000000000000
>> CS: e033 DS: 0000 ES: 0000
>>
>> Call Trace: <ffffffff8018b2df>{d_alloc+346}
>> <ffffffff8018233f>{do_lookup+166}
>> <ffffffff801840a0>{__link_path_walk+2467}
>> <ffffffff8018459d>{link_path_walk+78}
>>
>> <ffffffff80173f25>{get_unused_\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\ud47d}\uffff\uffff\uffff\uffff}\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\ud755\uffff}\u0579\uffff\u0355\uffff}\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\ud47d}\uffff\uffff\uffff}\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\u0455\uffff}\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\u0455\uffff}\uffff\uffff\uffff\uffff\uffffUG:
>> soft lockup detected on CPU#3!
>> CPU 3:
>> Modules linked in: bridge usbserial parport_pc lp parport sg st
>> sr_mod ide_cd cdrom joydev thermal processor fan button battery ac
>> ipv6 usbhid i2c_i801 i2c_core e752x_edac edac_mc uhci_hcd tg3 usbcore
>> dm_mod piix ext3 jbd sd_mod
>> Pid: 20, comm: xenwatch Not tainted 2.6.16.13-xen #1
>> RIP: e030:[<ffffffff8032c326>]
>> <ffffffff8032c326>{.text.lock.spinlock+25}
>> RSP: e02b:ffff88001f171ae0 EFLAGS: 00000286
>> RAX: ffffffff803a4840 RBX: ffff88001caea3a0 RCX: ffff88001f171b38
>> RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffff80499680
>> RBP: ffff88000096e8a0 R08: ffff880000aa60d0 R09: ffff88001f175cf0
>> R10: 0000000000000001 R11: ffff8800018fbdc0 R12: 0000000000000020
>> R13: ffff8800009f0760 R14: ffff88000096e948 R15: ffff88001f171b38
>> FS: 00002b133c86cbc0(0000) GS:ffffffff80487180(0000)
>> knlGS:0000000000000000
>> CS: e033 DS: 0000 ES: 0000
>>
>> Call Trace: <ffffffff801ab982>{proc_pid_unhash+25}
>> <ffffffff8012ff3e>{release_task+41}
>> <ffffffff80131502>{do_exit+2146}
>> <ffffffff80119415>{do_paffffffff8026ff3e>{xenbus_dev_remove+44}
>> <ffffffff80262bb4>{__device_release_driver+112}
>> <ffffffff80262cf0>{device_release_driver+45}
>> <ffffffff80262453>{bus_remove_device+160}
>> <ffffffff80261590>{device_del+67}
>> <ffffffff802615d1>{device_unregister+9}
>> <ffffffff80272603>{frontend_changed+244}
>> <ffffffff8026f824>{otherend_changed+87}
>> <ffffffff8026e2c4>{xenwatch_thread+0}
>> <ffffffff8026e291>{xenwatch_handle_callback+21}
>> <ffffffff8026e408>{xenwatch_thread+324}
>> peth1: received packet with own address as source address
>>
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@lists.xensource.com
>> http://lists.xensource.com/xen-devel
>>
>
>
--
Regards,
David F Barrera
Linux Technology Center
Systems and Technology Group, IBM
"The wisest men follow their own direction. "
Euripides
prev parent reply other threads:[~2006-06-29 15:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-29 14:55 Unable to handle kernel NULL pointer dereference at 000000000000004c RIP: David F Barrera
2006-06-29 15:15 ` David F Barrera
2006-06-29 15:50 ` David F Barrera [this message]
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