Re: [kvm-devel] Guest kernel hangs in smp kvm for older kernels prior to tsc sync cleanup

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Ingo Molnar wrote:
try this test perhaps in an SMP guest:

 http://people.redhat.com/mingo/time-warp-test/time-warp-test.c

you can ignore TSC warps - but no GTOD or CLOCK warps should occur.


On a broken guest kernel, I see gtod and clock warps. On a good guest kernel, I do not, presumably because the tsc clocksource is marked as unstable.

I see tsc warps on both.  8 threads on 4 cpus.

--
error compiling committee.c: too many arguments to function

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux