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| From: | Stefan Priebe - Profihost AG |
| Subject: | Re: [Qemu-devel] segfault in aio_bh_poll async.c:80 WAS: Re: kvm process disappears |
| Date: | Wed, 22 May 2013 14:24:26 +0200 |
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. > > 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 Stefan > Paolo
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