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From: Juan Quintela <quintela@redhat.com>
In-Reply-To: <3353B972624C8B49AB43F74428B4701D40ADE2F3@SZXEML552-MBS.china.huawei.com>
	(Liuji's message of "Wed, 10 Apr 2013 12:48:24 +0000")
References: <1365420597-5506-1-git-send-email-pbonzini@redhat.com>
	<3353B972624C8B49AB43F74428B4701D40ADE2F3@SZXEML552-MBS.china.huawei.com>
Date: Wed, 10 Apr 2013 14:55:23 +0200
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Subject: Re: [Qemu-devel] [PATCH 0/4] QEMUFile improvements and
	simplifications
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To: "Liuji (Jeremy)" <jeremy.liu@huawei.com>
Cc: "kwolf@redhat.com" <kwolf@redhat.com>, "Luohao (brian)" <brian.luohao@huawei.com>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, "owasserm@redhat.com" <owasserm@redhat.com>, Haofeng <haofeng@huawei.com>, Paolo Bonzini <pbonzini@redhat.com>

"Liuji (Jeremy)" <jeremy.liu@huawei.com> wrote:
> Hi, Paolo
>
> I tested your 4 patches in the latest version of qemu.git/master(commit:
> 93b48c201eb6c0404d15550a0eaa3c0f7937e35e,2013-04-09).
> These patches resolve the "savevm hanging" problem, which is detailedly d=
escribed
> in my preceding mail:"After executing "savevm", the QEMU process is hangi=
ng".
>
> But, I found two other problem:
> 1=E3=80=81My VM's OS is winxp. After the execution of "savevm" is complet=
ed,
> I exec "loadvm".
> But the winxp change to "blue screen", and then restart. I tested 3
> times, but the results are same.
>
> 2=E3=80=81The block migration is not OK. The qemu-system-x86_64 process of
> source host is core-dump.
> In the latest version of
> qemu.git/master(commit:93b48c201eb6c0404d15550a0eaa3c0f7937e35e,2013-04-0=
9),
> the block migration is OK.
>
>
> The info of core-dump file:
> #0 0x00007f8a44cec341 in migration_thread (opaque=3D0x7f8a45259bc0) at
> migration.c:545
> 545	            double bandwidth =3D transferred_bytes / time_spent;
> (gdb) bt
> #0 0x00007f8a44cec341 in migration_thread (opaque=3D0x7f8a45259bc0) at
> migration.c:545
> #1  0x00007f8a42fb7d14 in ?? ()
> #2  0x0000000000000000 in ?? ()
>

Could you recompile with -g to see what is going on?
This really makes no sense :p  It looks like the source file and the
compiled version don't agree.

Paolo,  any clue?

/me re-reads: block-migration,  ok,  testing goes.

Later,  Juan.