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Date: Wed, 24 Aug 2011 21:20:10 +0300
From: Avi Kivity <avi@redhat.com>
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Subject: Re: [Qemu-devel] PPC* and Sparc32 crash
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To: Blue Swirl <blauwirbel@gmail.com>
Cc: qemu-devel <qemu-devel@nongnu.org>

On 08/24/2011 08:48 PM, Blue Swirl wrote:
> On Wed, Aug 24, 2011 at 9:41 AM, Avi Kivity<avi@redhat.com>  wrote:
> >  On 08/23/2011 08:55 PM, Blue Swirl wrote:
> >>
> >>  qemu-system-ppc: /src/qemu/memory.c:1183:
> >>  memory_region_add_subregion_common: Assertion `!subregion->parent'
> >>  failed.
> >>  Aborted
> >>  qemu-system-ppc64: /src/qemu/memory.c:1183:
> >>  memory_region_add_subregion_common: Assertion `!subregion->parent'
> >>  failed.
> >>  Aborted
> >>  qemu-system-sparc: /src/qemu/hw/sysbus.c:156:
> >>  sysbus_register_withprop: Assertion `info->qdev.size>=
> >>  sizeof(SysBusDevice)' failed.
> >>  Aborted
> >>
> >>  This is with b861b7419c49ad53e786062b4fbf6da53468f130. Other targets
> >>  seem to work.
> >
> >  Please provide disk images and command line options, and I will investigate.
>
> Most legitimate command lines even without any images will do:
> $ ./obj-amd64/ppc-softmmu/qemu-system-ppc
> qemu-system-ppc: /src/qemu/memory.c:1183:
> memory_region_add_subregion_common: Assertion `!subregion->parent'
> failed.
> Aborted
>

Here the issue is that escc is both a sysbus device at 0x80013000 and a 
a PCI device.  Is this really correct?

In any case, I will post a patch making it behave like it did before the 
conversion, and leave any extra fixes to someone who knows the device.


-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.