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

From: Avi Kivity
Subject: Re: [Qemu-devel] [qom-next] Bisecting virtio-scsi issue
Date: Sun, 17 Jun 2012 11:37:26 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120605 Thunderbird/13.0

On 06/16/2012 03:41 AM, Andreas Färber wrote:
> Hi,
> 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.
> $ x86_64-softmmu/qemu-system-x86_64 -enable-kvm -m 1G -boot menu=on
> -drive file=../openSUSE-12.1-DVD-x86_64.iso,if=none,id=idecd,readonly=on
> -device ide-cd,bus=ide.0,drive=idecd -device ahci,id=ahci -device
> ide-cd,bus=ahci.0,drive=ahcicd -drive
> file=../openSUSE-12.1-GNOME-LiveCD-x86_64.iso,if=none,id=ahcicd,readonly=on
> qemu-system-x86_64: /home/andreas/QEMU/qemu-rcar/memory.c:1259:
> memory_region_add_subregion_common: Assertion `!subregion->parent' failed.

A stack trace would be helpful, as well as a printout of what
subregion->parent actually is.

You can also run 'qemu mtree' from gdb after including scripts/qemu-gdb.py.

error compiling committee.c: too many arguments to function

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