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Date: Wed, 23 Oct 2013 22:26:14 +0200
From: Stefan Weil <sw@weilnetz.de>
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Subject: Re: [Qemu-devel] qemu 1.6.1
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To: Paolo Bonzini <pbonzini@redhat.com>, "Michael W. Bombardieri" <mb@ii.net>
Cc: qemu-devel@nongnu.org

Am 23.10.2013 11:00, schrieb Paolo Bonzini:
> Il 23/10/2013 08:39, Michael W. Bombardieri ha scritto:
>> Hi,
>>
>> My newly built qemu/win32 binary (v1.6.1) crashes in qemu-system-i386 and qemu-system-x86_64 when
>> booting from an install CD.
>>
>> 	C:\Program Files\qemu>qemu-system-x86_64 -boot d -vnc 0.0.0.0:20 -cdrom NetBSD-6.1.2-amd64.iso
>> 	Assertion failed: qemu_in_coroutine(), file qemu-coroutine-lock.c, line 99
>>
>> 	This application has requested the Runtime to terminate it in an unusual way.
>> 	Please contact the application's support team for more information.
>>
>> I noticed that qemu-system-sparc still booted OpenBSD/sparc 5.3 install CD correctly.
>> No further info at this stage.
>> Any ideas?
> It's a known problem that not everyone can reproduce.  Please compile
> with --disable-coroutine-pool on the configure command line.
>
> Paolo

This patch also helps (at least for me, tested native and on Linux / Wine):
http://repo.or.cz/w/qemu/ar7.git/commit/c777d5d62a729fd8b19847aaa0aad3d7a1f73f47

It looks like a compiler problem related to thread local storage
(variable "current").

I recently got several bug reports from a Windows user and included
patches to fix them in
my personal tree http://repo.or.cz/w/qemu/ar7.git. The binaries on
qemu.weilnetz.de
are based on that tree.

Stefan