From: Avi Kivity <avi@qumranet.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: kvm@vger.kernel.org
Subject: Re: [patch 0/3] partially fix Windows reboot-via-triple-fault
Date: Thu, 17 Jul 2008 13:01:10 +0300 [thread overview]
Message-ID: <487F1866.1050705@qumranet.com> (raw)
In-Reply-To: <20080716220709.886199616@localhost.localdomain>
Marcelo Tosatti wrote:
> The following patchset fixes task switch problems seen on installation
> of SMP Windows (2000, 2003 and supposedly XP).
>
> Windows 2003 reboots fine, but crashes during initialization (separate
> problem though, also happens with UP installation or with new qemu-kvm
> instance). XP not tested yet.
>
> Windows 2000 is now able to reboot, but crashes early after initialization:
>
> (triple fault generated, reboot)
>
> SIPI to vcpu 1 vector 0x10
> SIPI to vcpu 2 vector 0x10
> SIPI to vcpu 3 vector 0x10
> handle_exception: unexpected, vectoring info 0x80000202 intr info 0x80000b0d
> handle_exception: unexpected, vectoring info 0x80000202 intr info 0x80000b0d
> pending exception: not handled yet
> pending exception: not handled yet
>
> The task switch is initiated via task-gate-on-IDT from an NMI interrupt,
> so apparently some state is not properly cleanup up. Ideas?
>
> Anyway, this changes are supposed to be a step in the right direction.
>
Applied the first two patched; see comments on the third.
--
error compiling committee.c: too many arguments to function
prev parent reply other threads:[~2008-07-17 10:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-16 22:07 [patch 0/3] partially fix Windows reboot-via-triple-fault Marcelo Tosatti
2008-07-16 22:07 ` [patch 1/3] KVM: task switch: segment base is linear address Marcelo Tosatti
2008-07-16 22:07 ` [patch 2/3] KVM: task switch: use seg regs provided by subarch instead of reading from GDT Marcelo Tosatti
2008-07-16 22:07 ` [patch 3/3] KVM: VMX: handle segment limit granularity special case in software Marcelo Tosatti
2008-07-17 10:03 ` Avi Kivity
2008-07-17 12:43 ` Marcelo Tosatti
2008-07-17 13:20 ` Avi Kivity
2008-07-17 10:01 ` Avi Kivity [this message]
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