On Wed, Apr 15, 2009 at 01:30:29PM +0400, Dmitry Eremin-Solenikov wrote:
> 2009/4/14 Gleb Natapov <[email protected]>:
> > On Tue, Apr 14, 2009 at 11:29:49PM +0400, Dmitry Eremin-Solenikov wrote:
> >> 2009/4/14 Gleb Natapov <[email protected]>:
> >> > On Tue, Apr 14, 2009 at 06:32:29PM +0400, Dmitry Eremin-Solenikov wrote:
> >> >> 2009/4/14 Gleb Natapov <[email protected]>:
> >> >> > On Tue, Apr 14, 2009 at 02:14:04PM +0000, Dmitry Eremin-Solenikov
> >> >> > wrote:
> >> >> >> Gleb Natapov wrote:
> >> >> >>
> >> >> >> > Start to use interrupt/exception queues like VMX does. This also
> >> >> >> > fix the
> >> >> >> > bug that if exit was caused by a guest internal exception access
> >> >> >> > to IDT
> >> >> >> > the exception was not reinjected.
> >> >> >>
> >> >> >> This patch broke KVM for me: after it is applied (to the tip of
> >> >> >> avi's git tree),
> >> >> >> linux inside KVM (version 84 from Debian) stops booting, moaning
> >> >> >> about lost
> >> >> >> interrupts from ide. The KVM is executed inside qemu-system-x86_64,
> >> >> >> version 0.10.2.
> >> >> >>
> >> >> > Please apply next patch in the series too. This one will not work
> >> >> > without it. But better yet can you please test entire series.
> >> >>
> >> >> After applying the next patch (or the whole serie), I get the following
> >> >> messages
> >> >> during initramfs drivers probe:
> >> >>
> >> >> Clocksource tsc unstable (delta...)
> >> >> no cont in shutdown!
> >> >> floppy0: FDC access conflict!
> >> >>
> >> >> Then kernel boot stalls. I'll try gdbing into kernel but this may
> >> >> require lots of efforts.
> >> >> I don't quite understand how do these two patches influence FDC
> >> >> emulation, but
> >> >> they do. Tell me if you need any additional info.
> >> >>
> >> > What guest is this? What kernel? Does the whole series works?
> >>
> >> Guest: Debian lenny. Linux 2.6.26, Debian version (I can provide
> >> config or bzImage + initrd).
> > Yes please provide. Debian lenny (x86_64) is my default guest :) And I
> > just booted it fine on AMD barcelona CPU. What is you host cpu?
> > "cat /proc/cpuinfo"
>
> qemu-x86_64 version 0.10.2 running on i386
> Due to problems with qemu-x86_64 I have to boot the 'host' kernel with
> 'noapic'.
> qemu-64:~# cat /proc/cpuinfo
> processor : 0
> vendor_id : AuthenticAMD
> cpu family : 6
> model : 2
> model name : QEMU Virtual CPU version 0.10.2
> stepping : 3
> cpu MHz : 1828.754
> cache size : 512 KB
> fpu : yes
> fpu_exception : yes
> cpuid level : 2
> wp : yes
> flags : fpu de pse tsc msr pae mce cx8 apic sep mtrr pge mca
> cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx lm 3dnowext 3dnow
> up pni svm
> bogomips : 3700.32
> TLB size : 1024 4K pages
> clflush size : 64
> cache_alignment : 64
> address sizes : 40 bits physical, 48 bits virtual
> power management:
>
>
I need _host_ cpu info. Do the same on the host please.
--
Gleb.
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