Am Donnerstag, 8. Mai 2008 schrieb Jeremy Fitzhardinge: > Christian Borntraeger wrote: > > On kvm I have seen some rare hangs in stop_machine when I used more guest > > cpus than hosts cpus. e.g. 32 guest cpus on 1 host cpu triggered the > > hang quite often. I could also reproduce the problem on a 4 way z/VM host with > > a 64 way guest. > > > > I think that's one of those "don't do that then" cases ;)
I really like 64 guest cpus as a good testcase for all kind of things. > > I think x86 (at least) is now using ticket locks, which is fair. Which > kernel are you seeing this problem on? Sorry, forgot to mention. Its kvm.git from 2 days ago on s390. _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linux-foundation.org/mailman/listinfo/virtualization
