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Re: [Qemu-devel] [qom-next] Bisecting virtio-scsi issue

From: Anthony Liguori
Subject: Re: [Qemu-devel] [qom-next] Bisecting virtio-scsi issue
Date: Sun, 17 Jun 2012 09:33:27 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120329 Thunderbird/11.0.1

On 06/17/2012 09:28 AM, Andreas Färber wrote:
Am 17.06.2012 16:16, schrieb Avi Kivity:
On 06/17/2012 05:08 PM, Andreas Färber wrote:
Am 17.06.2012 10:37, schrieb Avi Kivity:
On 06/16/2012 03:41 AM, Andreas Färber wrote:
After multiple runs of not-so-successful bisecting, it appears as if the
qom-next commit "qbus: Make child devices links" [1] is causing
assertions for both virtio-scsi and ahci but not for qemu-system-x86_64
without parameters:

$ x86_64-softmmu/qemu-system-x86_64 -enable-kvm -device
qemu-system-x86_64: /home/andreas/QEMU/qemu-rcar/memory.c:1259:
memory_region_add_subregion_common: Assertion `!subregion->parent' failed.
You can also run 'qemu mtree' from gdb after including scripts/qemu-gdb.py.

(gdb) source /path/to/qemu/scripts/qemu-gdb.py
(gdb) qemu mtree

(gdb) qemu mtree
0000000000000000-7ffffffffffffffe system (@ 0x5555564627b0)
0000000000000000-000000000000ffff io (@ 0x555556462880)
   000000000000007e-000000000000007f kvmvapic (I/O) (@ 0x55555647c838)


commit 55016e6ab178f0d27f85fc6b09d235817ccd4b4c
Author: Paolo Bonzini <address@hidden>
Date:   Thu Apr 12 18:00:18 2012 +0200

And I can't reproduce with virtio-scsi or AHCI.


Anthony Liguori


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