Re: [Xen-devel] trying to debug xen4 & qemu-dm, Xen reports "core dump failed"

[0bo0 <0.bugs.only.0@xxxxxxxxx>]

On Tue, Jan 26, 2010 at 1:10 PM, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> wrote:
> On 26/01/2010 18:36, "0bo0" <0.bugs.only.0@xxxxxxxxx> wrote:
>
>>> If qemu-dm died without logging anything, it probably crashed again. If it
>>> produced a core file you could load that in gdb and get a symbolic
>>> backtrace.
>>
>> trying to turn on core dumps in xend-config, unfortunately, Xen seems
>> to fail @ core dump ... in addition to failing to launch a DomU which
>> works fine under Xen3,
>
> Ah, sorry, I meant a core file produced when qemu-dm crashes (that is,
> assuming that qemu-dm does crash, which appears likely). All the log files
> tell us is that xend thinks that qemu-dm process simply disappeared without
> warning. The question is obviously: why did it disappear, and only for you
> in your setup.

np. i'm happy to provide the info.

 so since i'm not launching qemu-dm directly, how -- specifically --
do I grab that core dump for you?

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