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Re: [Xen-users] Xen 3.1 HVM DomU keeps crashing

To: "Trolle Selander" <trolle.selander@xxxxxxxxx>
Subject: Re: [Xen-users] Xen 3.1 HVM DomU keeps crashing
From: "Steven Hu" <learn.hu@xxxxxxxxx>
Date: Tue, 25 Sep 2007 16:40:33 +0800
Cc: Florian Engelmann <mailinglist@xxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
Delivery-date: Tue, 25 Sep 2007 01:41:23 -0700
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I think this problem is similar to the bugs 1065. When do heavry disk
access in domain0, it will crash the domainU.  Please refer to

2007/9/24, Trolle Selander <trolle.selander@xxxxxxxxx>:
> In my experience, qemu-dm's logs will only contain interesting info if the
> bug is in the device emulation, and even then usually only if you compile
> qemu-dm with debugging turned on.
> How do your DomU's crash? Does windows bluescreen, or is it the VM itself
> that crashes? If it's the latter, an "xm dmesg" will probably be what
> contains the most interesting information. An "xm debug-key v", "xm
> debug-key d", "xm debug-key q" before "xm dmesg" will also provide som info
> about the VM's state, which can be helpful. Somtimes it's simple, and the
> last vmexit is what was actually the problem (unhandled or incomplely
> emulated mmio ops or control register accesses, for example), while at other
> times it's not so easy, if the cause was an emulated instruction that was
> silently "done wrong" a million vmexits before...
> /Trolle
> On 9/24/07, Florian Engelmann <mailinglist@xxxxxxxx> wrote:
> > Hi,
> > our HVM DomU (Windows 2003 R2 SP2 32bit) is crashing often on file copy
> > and file transfer actions. I treid to search trough the logs but I do
> > not know were to find "good" debug information? Should be the Qemu log,
> > shouldn't it? Why is there no timestamp in those logs? Anybody in here
> > knowing much about HVM DomUs and debugging?
> >
> > greetings Florian Engelmann
> >
> > _______________________________________________
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> >
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