Re: osd/OSD.cc: 5534: FAILED assert(pending_ops > 0)

[Martin Mailand <martin@tuxadero.com>]

Hi,
so after a little help from greg.

(gdb) print pending_ops
$1 = 0

-martin

Sage Weil schrieb:
> On Mon, 14 Nov 2011, Gregory Farnum wrote:
>> It's not a big deal; logging is expensive. :) Just a backtrace isn't a
>> lot to go on, but it's better than nothing!
>>
>> On Mon, Nov 14, 2011 at 11:45 AM, Martin Mailand <martin@tuxadero.com> wrote:
>>> Hi Gregory,
>>> I do not have more at the moment. As I cannot have the debug log always on,
>>> a core dump would be the best solution?
> 
> I'm mainly interested in whether pending_ops is 0 or < 0.  A 'thread apply 
> all bt' may also be useful.
> 
> Thanks!
> sage
> 
> 
>>> -martin
>>>
>>> Gregory Farnum schrieb:
>>>> Do you have any other system state? (More logs, core dumps.)
>>>>
>>>> Make a bug in the tracker either way so it doesn't get lost track of. :)
>>>> -Greg
>>>>
>>>> On Mon, Nov 14, 2011 at 6:04 AM, Martin Mailand <martin@tuxadero.com>
>>>> wrote:
>>>>> Hi,
>>>>> today one of my ods died, the log is.
>>>>>
>>>>> sd/OSD.cc: In function 'void OSD::dequeue_op(PG*)', in thread
>>>>> '7faeb6139700'
>>>>> osd/OSD.cc: 5534: FAILED assert(pending_ops > 0)
>>>>>  ceph version 0.38 (commit:b600ec2ac7c0f2e508720f8e8bb87c3db15509b9)
>>>>>  1: (OSD::dequeue_op(PG*)+0x4bb) [0x55a4db]
>>>>>  2: (ThreadPool::worker()+0x6e6) [0x5b7b16]
>>>>>  3: (ThreadPool::WorkThread::entry()+0xd) [0x57398d]
>>>>>  4: (()+0x6d8c) [0x7faec4d12d8c]
>>>>>  5: (clone()+0x6d) [0x7faec355404d]
>>>>>  ceph version 0.38 (commit:b600ec2ac7c0f2e508720f8e8bb87c3db15509b9)
>>>>>  1: (OSD::dequeue_op(PG*)+0x4bb) [0x55a4db]
>>>>>  2: (ThreadPool::worker()+0x6e6) [0x5b7b16]
>>>>>  3: (ThreadPool::WorkThread::entry()+0xd) [0x57398d]
>>>>>  4: (()+0x6d8c) [0x7faec4d12d8c]
>>>>>  5: (clone()+0x6d) [0x7faec355404d]
>>>>> *** Caught signal (Aborted) **
>>>>>  in thread 7faeb6139700
>>>>>  ceph version 0.38 (commit:b600ec2ac7c0f2e508720f8e8bb87c3db15509b9)
>>>>>  1: /usr/bin/ceph-osd() [0x5b8b52]
>>>>>  2: (()+0xfc60) [0x7faec4d1bc60]
>>>>>  3: (gsignal()+0x35) [0x7faec34a1d05]
>>>>>  4: (abort()+0x186) [0x7faec34a5ab6]
>>>>>  5: (__gnu_cxx::__verbose_terminate_handler()+0x11d) [0x7faec3d586dd]
>>>>>  6: (()+0xb9926) [0x7faec3d56926]
>>>>>  7: (()+0xb9953) [0x7faec3d56953]
>>>>>  8: (()+0xb9a5e) [0x7faec3d56a5e]
>>>>>  9: (ceph::__ceph_assert_fail(char const*, char const*, int, char
>>>>> const*)+0x396) [0x5bddb6]
>>>>>  10: (OSD::dequeue_op(PG*)+0x4bb) [0x55a4db]
>>>>>  11: (ThreadPool::worker()+0x6e6) [0x5b7b16]
>>>>>  12: (ThreadPool::WorkThread::entry()+0xd) [0x57398d]
>>>>>  13: (()+0x6d8c) [0x7faec4d12d8c]
>>>>>  14: (clone()+0x6d) [0x7faec355404d]
>>>>>
>>>>> Anything else needed to debug this?
>>>>>
>>>>> -martin
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