From: Avi Kivity <avi@redhat.com>
To: Jan Kiszka <jan.kiszka@web.de>
Cc: qemu-devel <qemu-devel@nongnu.org>, kvm-devel <kvm@vger.kernel.org>
Subject: [Qemu-devel] Re: segfault in ide_read_dma_cb when resetting guest
Date: Mon, 16 Mar 2009 13:12:28 +0200 [thread overview]
Message-ID: <49BE341C.9060900@redhat.com> (raw)
In-Reply-To: <49BD5C3D.4070103@web.de>
Jan Kiszka wrote:
> Hi,
>
> maybe someone has an immediate idea or can reproduce, I'm currently
> lacking time to debug this: With latest kvm-userspace I'm seeing
> sporadic qemu crashes when hard-resetting a guest that currently does
> some I/O (qcow2 disk in snapshot mode). Below is the backtrace, s is
> null.
>
> So far the issue does not show up with -no-kvm or with upstream qemu
> (also without kvm as upstream's reset in kvm mode is not working yet).
>
>
I think I broke it -- cancellation assumes aiocbs were generated by the
block format driver, but there are now aiocbs that are generated by the
generic code.
The problem is in upstream as well, don't know why you don't see it
there (maybe you're seeing a different problem).
I'll come up with a patch.
--
error compiling committee.c: too many arguments to function
next parent reply other threads:[~2009-03-16 11:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <49BD5C3D.4070103@web.de>
2009-03-16 11:12 ` Avi Kivity [this message]
2009-03-16 13:15 ` [Qemu-devel] Re: segfault in ide_read_dma_cb when resetting guest Avi Kivity
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