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Date: Sun, 17 Jun 2012 16:28:54 +0200
From: =?ISO-8859-15?Q?Andreas_F=E4rber?= <afaerber@suse.de>
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Subject: Re: [Qemu-devel] [qom-next] Bisecting virtio-scsi issue
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To: Avi Kivity <avi@redhat.com>
Cc: Stefan Hajnoczi <stefanha@gmail.com>, mengcong <mc@linux.vnet.ibm.com>, qemu-devel <qemu-devel@nongnu.org>, Anthony Liguori <anthony@codemonkey.ws>

Am 17.06.2012 16:16, schrieb Avi Kivity:
> On 06/17/2012 05:08 PM, Andreas F=E4rber wrote:
>> Am 17.06.2012 10:37, schrieb Avi Kivity:
>>> On 06/16/2012 03:41 AM, Andreas F=E4rber 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
>>>> virtio-scsi-pci,id=3Dmcbus
>>>> qemu-system-x86_64: /home/andreas/QEMU/qemu-rcar/memory.c:1259:
>>>> memory_region_add_subregion_common: Assertion `!subregion->parent' f=
ailed.
[...]
>>> You can also run 'qemu mtree' from gdb after including scripts/qemu-g=
db.py.
>=20
> (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)

Andreas

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