Messages in this thread | | | Date | Mon, 28 Feb 2011 10:56:58 -0500 | From | Zachary Amsden <> | Subject | Re: regression - 2.6.36 -> 2.6.37 - kvm - 32bit SMP guests don't boot |
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> > On Mon, Feb 28, 2011 at 10:17:24AM -0500, Zachary Amsden wrote: > >> On 02/28/2011 09:32 AM, Nikola Ciprich wrote: >> >>>> Does the bug you are hitting manifest on both Intel and AMD platforms? >>>> >>>> >>> I don't have any AMD box here, I'll try this out at my home box. >>> >>> >>> >>>> Further, do the systems you are hitting this on have stable or unstable >>>> TSCs? >>>> >>>> >>> how do I find this out? I don't see any warning about TSC in guest, but I've >>> just started it.. >>> n. >>> >> Before worrying about the guest, is the host TSC stable? What is the >> host clocksource? >> > not sure, I'm not setting anything specifically, is this snippet of dmesg relevant: > > [ 1.148829] HPET: 8 timers in total, 5 timers will be used for per-cpu timer > [ 1.148934] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 40, 41, 42, 43, 44, 0 > [ 1.149331] hpet0: 8 comparators, 64-bit 14.318180 MHz counter > [ 1.151831] hpet: hpet2 irq 40 for MSI > [ 1.151962] hpet: hpet3 irq 41 for MSI > [ 1.155930] hpet: hpet4 irq 42 for MSI > [ 1.159937] hpet: hpet5 irq 43 for MSI > [ 1.163943] hpet: hpet6 irq 44 for MSI > [ 1.175955] Switching to clocksource tsc > > so I guess I'm using hpet? > n. > > > Looks like you are using tsc based on the last line. Can you tell us please
cat /proc/cpuinfo cat /sys/devices/system/clocksource/clocksource0/current_clocksource
and grep -i dmesg for these keywords: TSC, clock, hpet, stable, khz, kvm
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