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From: Stefan Priebe - Profihost AG <s.priebe@profihost.ag>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: qemu-devel <qemu-devel@nongnu.org>,
	"pve-devel@pve.proxmox.com" <pve-devel@pve.proxmox.com>
Subject: Re: [Qemu-devel] kvm process disappears
Date: Fri, 10 May 2013 11:07:48 +0200	[thread overview]
Message-ID: <518CB8E4.5090305@profihost.ag> (raw)
In-Reply-To: <20130510074217.GB1500@stefanha-thinkpad.redhat.com>

Am 10.05.2013 09:42, schrieb Stefan Hajnoczi:
> On Fri, May 10, 2013 at 08:12:39AM +0200, Stefan Priebe - Profihost AG wrote:
>> i've now seen this several times. A VM is suddently down no segfault
>> nothing the kvm process just disappears...
>>
>> Anybody any idea how to debug this?
>>
>> Sadly i can't reproduce. Qemu version is 1.4.1.
> 
> 1. Double-check dmesg(1) for out-of-memory killer or segfaults.
done => nothing in there also 120-140GB mem free.

> 2. Check libvirt or other management tool logs again.

kvm process was started via bash no management tool involved.

> 3. Either use gdb or an LD_PRELOAD library that catches exit(3) and
>    _exit(2) and dumps core using abort(3).  Make sure core dumps are
>    enabled.

LD_PRELOAD sounds good can you point me to such a lib?

Stefan

  reply	other threads:[~2013-05-10  9:07 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-10  6:12 [Qemu-devel] kvm process disappears Stefan Priebe - Profihost AG
2013-05-10  7:15 ` [Qemu-devel] [pve-devel] " Alexandre DERUMIER
2013-05-10  7:20 ` Alexandre DERUMIER
2013-05-10  7:22   ` Stefan Priebe - Profihost AG
2013-05-10  7:28     ` Alexandre DERUMIER
2013-05-10  9:06       ` Stefan Priebe - Profihost AG
2013-05-10  7:42 ` [Qemu-devel] " Stefan Hajnoczi
2013-05-10  9:07   ` Stefan Priebe - Profihost AG [this message]
2013-05-10 11:09     ` Stefan Hajnoczi
2013-05-14 14:29       ` [Qemu-devel] segfault in aio_bh_poll async.c:80 WAS: " Stefan Priebe - Profihost AG
2013-05-14 15:05         ` Stefan Hajnoczi
2013-05-14 15:11           ` Stefan Priebe - Profihost AG
2013-05-22  6:26             ` Stefan Priebe - Profihost AG
2013-05-22  8:41               ` Paolo Bonzini
2013-05-22 12:24                 ` Stefan Priebe - Profihost AG
2013-05-23 10:09                   ` Paolo Bonzini
2013-05-23 19:22                     ` Stefan Priebe
2013-05-27 21:09       ` [Qemu-devel] " Stefan Priebe
2013-05-28  8:06         ` Stefan Hajnoczi

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