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xen-devel
Re: [Xen-devel] Re: BUG: unable to handle kernel NULL pointer dereferenc
On 06/14/2011 01:36 AM, Jan Beulich wrote:
>>>> On 13.06.11 at 02:17, Daniel Stodden <daniel.stodden@xxxxxxxxxx> wrote:
>> Can you all pull in this one?
>>
>> http://xenbits.xen.org/gitweb/?p=people/dstodden/linux.git;a=commit;h=a76525
>> 7af7e28c41bd776c3e03615539597eb592
> Any reason why after several months this still doesn't appear to be in
> stable-2.6.32, which is what people are generally directed to use?
Daniel? Should I merge this?
Thanks,
J
> Jan
>
>> Likely the one, but let me absolutely know if not.
>>
>> Daniel
>>
>>
>> On Sat, 2011-06-11 at 07:17 -0400, quartex wrote:
>>> I have updated to 2.6.32.41 but it happened again.
>>>
>>> [491154.766766] BUG: unable to handle kernel NULL pointer dereference
>>> at 0000000000000320
>>> [491154.767477] IP: [<ffffffff8128cbc3>] blktap_device_end_request+0x4a/0x71
>>> [491154.767844] PGD 3db17067 PUD 3cebe067 PMD 0
>>> [491154.768219] Oops: 0000 [#1] SMP
>>> [491154.768572] last sysfs file: /sys/devices/vbd-4-51713/statistics/wr_sect
>>> [491154.768942] CPU 3
>>> [491154.769295] Modules linked in: netconsole [last unloaded:
>>> scsi_wait_scan]
>>> [491154.769683] Pid: 4392, comm: tapdisk2 Not tainted 2.6.32.36 #4 S3420GP
>>> [491154.770056] RIP: e030:[<ffffffff8128cbc3>] [<ffffffff8128cbc3>]
>>> blktap_device_end_request+0x4a/0x71
>>> [491154.770767] RSP: e02b:ffff88003cd33ca8 EFLAGS: 00010046
>>> [491154.771133] RAX: 0000000000000000 RBX: ffff88003df60d20 RCX:
>>> 0000000000000000
>>> [491154.771824] RDX: 00000000000000a1 RSI: 0000000000000001 RDI:
>>> 0000000000000004
>>> [491154.772524] RBP: ffff88003cd33cc8 R08: 0000000000000000 R09:
>>> ffff88003cd33b08
>>> [491154.773222] R10: 0000000000000001 R11: ffffffff00001000 R12:
>>> ffff88003ccadb20
>>> [491154.773915] R13: ffff88003d8e3c00 R14: 0000000000000000 R15:
>>> 0000000000000002
>>> [491154.774622] FS: 00007f152f810740(0000) GS:ffff88002808f000(0000)
>>> knlGS:0000000000000000
>>> [491154.775325] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b
>>> [491154.775683] CR2: 0000000000000320 CR3: 000000003b095000 CR4:
>>> 0000000000002660
>>> [491154.776380] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
>>> 0000000000000000
>>> [491154.777079] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
>>> 0000000000000400
>>> [491154.777770] Process tapdisk2 (pid: 4392, threadinfo
>>> ffff88003cd32000, task ffff88003d833c80)
>>> [491154.778476] Stack:
>>> [491154.778821] ffff88003d8e3c00 0000000000000000 ffff88003ccadb20
>>> 0000000000e5386f
>>> [491154.779220] <0> ffff88003cd33e58 ffffffff8128beab 000000003cd33ce8
>>> ffffffff81aab128
>>> [491154.779956] <0> 000000013d743ac0 ffff88003d7439a0 000000019681a000
>>> ffff88003fffc800
>>> [491154.780987] Call Trace:
>>> [491154.781334] [<ffffffff8128beab>] blktap_ring_ioctl+0x12d/0x23f
>>> [491154.781676] [<ffffffff811d503b>] ? avc_has_perm+0x57/0x69
>>> [491154.782017] [<ffffffff811d6322>] ? inode_has_perm+0x5f/0x61
>>> [491154.782368] [<ffffffff810e13b3>] ? generic_file_aio_write+0x8c/0xa9
>>> [491154.782718] [<ffffffff8111fd46>] vfs_ioctl+0x6a/0x82
>>> [491154.783072] [<ffffffff81120248>] do_vfs_ioctl+0x473/0x4b9
>>> [491154.783426] [<ffffffff811202df>] sys_ioctl+0x51/0x74
>>> [491154.783781] [<ffffffff8103ccc2>] system_call_fastpath+0x16/0x1b
>>> [491154.784142] Code: e6 4c 89
>>> [491154.795155] [<ffffffff81120248>] do_vfs_ioctl+0x473/0x4b9
>>>
>>>
>>>
>>>
>>>
>>> --
>>> View this message in context:
>> http://xen.1045712.n5.nabble.com/BUG-unable-to-handle-kernel-NULL-pointer-dere
>>
>> ference-4-0-1-w-2-6-32-36-tp4432056p4478572.html
>>> Sent from the Xen - Dev mailing list archive at Nabble.com.
>>>
>>> _______________________________________________
>>> Xen-devel mailing list
>>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>>> http://lists.xensource.com/xen-devel
>>
>>
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>
>
>
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