From: Alexey Korolev <alexey.korolev@endace.com>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Avi Kivity <avi@redhat.com>
Subject: Re: [Qemu-devel] [BUG] QEMU crashes when 64bit BAR is present
Date: Thu, 6 Dec 2012 09:23:07 +1300 [thread overview]
Message-ID: <50BFAD2B.1040505@endace.com> (raw)
In-Reply-To: <50BEF818.90002@redhat.com>
Hi Gerd,
> Hi,
>
>> And qemu error output is:
>> qemu: /home/akorolev/qemu-kvm/exec.c:2255: register_subpage: Assertion `existing->mr->subpage || existing->mr == &io_mem_unassigned' failed.
>>
>> Guest OS is Centos 5.5 and log is pretty boring, as qemu crashes before Linux can report an issue.
> Where does it crash? seabios? linux kernel?
> Still reproducable with 1.3.0?
It is a qemu core assertion.
Haven't tried 1.3.0 yet, can try it today.
The bug is quite easy to reproduce, if use ivshmem with 64bit tweaks and specify size 128M.
next prev parent reply other threads:[~2012-12-05 20:23 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-05 1:47 [Qemu-devel] [BUG] QEMU crashes when 64bit BAR is present Alexey Korolev
2012-12-05 7:30 ` Gerd Hoffmann
2012-12-05 20:23 ` Alexey Korolev [this message]
2012-12-05 20:28 ` Alexey Korolev
2012-12-06 4:09 ` Alexey Korolev
2012-12-06 7:45 ` Gerd Hoffmann
2012-12-07 0:22 ` Alexey Korolev
2012-12-07 8:32 ` Gerd Hoffmann
2012-12-10 2:05 ` Alexey Korolev
2012-12-10 7:22 ` Gerd Hoffmann
2012-12-13 1:23 ` Alexey Korolev
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