2009/4/14 Gleb Natapov <gleb@xxxxxxxxxx>: > On Tue, Apr 14, 2009 at 11:29:49PM +0400, Dmitry Eremin-Solenikov wrote: >> 2009/4/14 Gleb Natapov <gleb@xxxxxxxxxx>: >> > On Tue, Apr 14, 2009 at 06:32:29PM +0400, Dmitry Eremin-Solenikov wrote: >> >> 2009/4/14 Gleb Natapov <gleb@xxxxxxxxxx>: >> >> > 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 just noticed that my kernel is different. Will install 2.6.26 and retest, > but provide me yours anyway. > >> The whole serie doesn't work too (that's why I started bisecting). >> >> And BTW, I got the same results with -no-kvm-irqchip >> > > -- > Gleb. > -- With best wishes Dmitry -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
