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

[Anthony Liguori]

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
> > > > > virtio-scsi-pci,id=mcbus
> > > > > 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)

FWIW:


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.

Regards,

Anthony Liguori

> Andreas