On (Fri) 10 Feb 2012 [10:33:37], Marcelo Tosatti wrote: > On Fri, Feb 10, 2012 at 10:32:16AM -0200, Marcelo Tosatti wrote: > > On Fri, Feb 10, 2012 at 03:32:11PM +0530, Amit Shah wrote: > > > On (Thu) 09 Feb 2012 [16:13:29], Igor Mammedov wrote: > > > > > > > Stalls are probably caused by uninitialized percpu hv_clock, with > > > > following patch I don't see stalls. Although I might be just lucky. > > > > http://git.kernel.org/?p=virt/kvm/kvm.git;a=commit;h=e2971ac7e1d186af059e088d305496c5cb47d487 > > > > > > Your commit does make things better, I don't see any stalls on the > > > first resume. > > > > > > However, a subsequent s4 causes the stall to re-appear on resume, and > > > this time there are no stall messages; the kernel just sits there > > > spinning on something. I've not found the solution to this one yet (I > > > had a commit similar to Marcelo's in the works, which got me to the > > > previous works-but-stalls behaviour). > > > > I cannot reproduce it here. Suspend/resume are operating normally after > > several iterations. Igor do you see anything similar? > > > > Amit, can you please enable CONFIG_PRINTK_TIME=y and post a full dmesg > > (both during suspend and also the new kernel during resume). > > Also is it reproducible with UP guest? Yes, it is. Amit -- 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