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Re: [Qemu-devel] segfault in aio_bh_poll async.c:80 WAS: Re: kvm process
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] segfault in aio_bh_poll async.c:80 WAS: Re: kvm process disappears |
Date: |
Thu, 23 May 2013 12:09:41 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130514 Thunderbird/17.0.6 |
Il 22/05/2013 14:24, Stefan Priebe - Profihost AG ha scritto:
> Am 22.05.2013 um 10:41 schrieb Paolo Bonzini <address@hidden>:
>
>> Il 22/05/2013 08:26, Stefan Priebe - Profihost AG ha scritto:
>>>> Hi,
>>>>
>>>> as i can't reproduce no ;-( i just saw the kernel segfault message and
>>>> used addr2line and a qemu dbg package to get the code line.
>>>
>>> I've now seen this again for two or three times. It always happens
>>> when we do an fstrim inside the guest.
>>
>>
>>> And I've seen this first since josh async rbd patch.
>>
>> This one?
>>
>> commit dc7588c1eb3008bda53dde1d6b890cd299758155
>
> Yes. But i'm not sure whether this is coincendence.
Ok.
>> Do you see it even with "-drive discard=off"?
>
> I use discard / trim for thin provisioning and need it. This is a
> production system so I can't test without it.
>
> I use scsi virtio with discard_granularity=512
Note that 1.5.0 won't need this anymore, but it will need "-drive
discard=on". Any chance you can try to reproduce it in a different
environment?
Paolo
- Re: [Qemu-devel] [pve-devel] kvm process disappears, (continued)
- Re: [Qemu-devel] kvm process disappears, Stefan Hajnoczi, 2013/05/10
- Re: [Qemu-devel] kvm process disappears, Stefan Priebe - Profihost AG, 2013/05/10
- Re: [Qemu-devel] kvm process disappears, Stefan Hajnoczi, 2013/05/10
- [Qemu-devel] segfault in aio_bh_poll async.c:80 WAS: Re: kvm process disappears, Stefan Priebe - Profihost AG, 2013/05/14
- Re: [Qemu-devel] segfault in aio_bh_poll async.c:80 WAS: Re: kvm process disappears, Stefan Hajnoczi, 2013/05/14
- Re: [Qemu-devel] segfault in aio_bh_poll async.c:80 WAS: Re: kvm process disappears, Stefan Priebe - Profihost AG, 2013/05/14
- Re: [Qemu-devel] segfault in aio_bh_poll async.c:80 WAS: Re: kvm process disappears, Stefan Priebe - Profihost AG, 2013/05/22
- Re: [Qemu-devel] segfault in aio_bh_poll async.c:80 WAS: Re: kvm process disappears, Paolo Bonzini, 2013/05/22
- Re: [Qemu-devel] segfault in aio_bh_poll async.c:80 WAS: Re: kvm process disappears, Stefan Priebe - Profihost AG, 2013/05/22
- Re: [Qemu-devel] segfault in aio_bh_poll async.c:80 WAS: Re: kvm process disappears,
Paolo Bonzini <=
- Re: [Qemu-devel] segfault in aio_bh_poll async.c:80 WAS: Re: kvm process disappears, Stefan Priebe, 2013/05/23
- Re: [Qemu-devel] kvm process disappears, Stefan Priebe, 2013/05/27
- Re: [Qemu-devel] kvm process disappears, Stefan Hajnoczi, 2013/05/28