David S. Ahern wrote: > That does the trick with kscand. > > Not so fast... the patch updates the flood count to 5. Can you check if a lower value still works? Also, whether updating the flood count to 5 (without the rest of the patch) works?
Unconditionally bumping the flood count to 5 will likely cause a performance regression on other guests. While I was able to see excessive flooding, I couldn't reproduce your kscand problem. Running /bin/true always returned immediately for me. > Do you have recommendations for clock source settings? For example in my > test case for this patch the guest gained 73 seconds (ahead of real > time) after only 3 hours, 5 min of uptime. > The kernel is trying to correlate tsc and pit, which isn't going to work. Try disabling the tsc, set edx.bit4=0 for cpuid.eax=1 in qemu-kvm-x86 .c do_cpuid_ent(). -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel