Re: KVM/RBD Block device hangs

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On Mon, May 21, 2012 at 1:51 PM, Stefan Priebe <s.priebe@xxxxxxxxxxxx> wrote:
> Am 21.05.2012 16:59, schrieb Wido den Hollander:
>
>> Probably after, but both is fine. I just want to know how your cluster
>> is doing and what the PG states are.
>
> will do so.
>
> dmesg says at least:
> [ 4975.850765] ceph-osd[6226]: segfault at 439d34000 ip 00007f0db39bfb23 sp
> 00007f0da8c5e240 error 4 in libtcmalloc.so.0.0.0[7f0db399b000+3d000]

This is not an error we've seen before, and it's a little scary. Can you
1) run gdb and get a backtrace and a printout of each frame in the trace?
2) reproduce with high-level OSD debug logging enabled?
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