[ kvm-Bugs-2149609 ] Booting IA32e Windows guest meets BSOD

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Bugs item #2149609, was opened at 2008-10-06 07:25
Message generated for change (Comment added) made by jiajun
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Category: None
Group: None
>Status: Closed
>Resolution: Fixed
Priority: 5
Private: No
Submitted By: Jiajun Xu (jiajun)
Assigned to: Nobody/Anonymous (nobody)
Summary: Booting IA32e Windows guest meets BSOD

Initial Comment:
With latest commit, kvm.git 77d0a44d2393f43836fd38c235dfda2de4c4630a and userspace.git d32aaf6d02d102855e5d8d1e23f0c55ca214e871, IA32e Windows guest(including Windows XP, Windows 2003, Windows Vista) fails to boot. Guest will meet BSOD when booting, error code 0x0000000A(IRQL_NOT_LESS_OR_EQUAL).

Previous commit, kvm.git a509fff8ed134115f2fd413e92a92cddc1709a5f userspace.git 42621e776ac3a12930c3fec19c60e68e563df4cc has no such issue.

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>Comment By: Jiajun Xu (jiajun)
Date: 2008-10-25 08:49

Message:
The issue is fixed with kvm.git b33b7347236abd6033e52af2d4296e044e6d67dd.

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Comment By: Jan Kiszka (kiszka)
Date: 2008-10-15 06:04

Message:
Problem finally reproduced here, I had this patch applied:
http://permalink.gmane.org/gmane.comp.emulators.kvm.devel/22635. That one
cures the the issue, but I think it papers over a small (but fatal)
incorrectness of 77d0a44d2393f43836fd38c235dfda2de4c4630a. Will dig deeper.

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Comment By: Jan Kiszka (kiszka)
Date: 2008-10-12 09:32

Message:
OK, this (the NMI watchdog) now likely became a regression of -77. I tried
reproducing it with a Windows Server 2003 R2 (64-bit), but without success.
Can you describe your scenario in more details? Vanilla Windows
installation? Which qemu command line switches precisely? Anything else I
may need to know to reproduce?

Further tests: Does
http://permalink.gmane.org/gmane.comp.emulators.kvm.devel/22635 change the
situation? What does
http://permalink.gmane.org/gmane.comp.emulators.kvm.devel/22634 make kvm
report to the kernel log?

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Comment By: Jiajun Xu (jiajun)
Date: 2008-10-10 07:09

Message:
We find that kernel.git cbb44eaa2d961f1eb975b52c7be1c82178b3c580 introduces
the issue first. With kernel.git ba8ab77ebfba9898764c39bc2f00540a5a67a1e9,
windows guest can boot up successfully.

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Comment By: Jiajun Xu (jiajun)
Date: 2008-10-06 07:53

Message:
OK. I will try to find the causing. with no-kvm-irqchip or no-kvm-pit, we
did not meet such issue.

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Comment By: Jan Kiszka (kiszka)
Date: 2008-10-06 07:38

Message:
Can you try to narrow down the causing patches, specifically on the kernel
side? I assume you run with in-kernel irqchip, right?

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