On Sun, 2010-09-19 at 13:59 +0200, Gleb Natapov wrote: > On Sun, Sep 19, 2010 at 01:51:29PM +0200, Conrad Wood wrote: > > On Sun, 2010-09-19 at 13:39 +0200, Gleb Natapov wrote: > > > On Sun, Sep 19, 2010 at 01:32:28PM +0200, Conrad Wood wrote: > > > > On Sun, 2010-09-19 at 13:13 +0200, Gleb Natapov wrote: > > > > > On Sun, Sep 19, 2010 at 01:09:39PM +0200, Conrad Wood wrote: > > > > > > On Sun, 2010-09-19 at 12:46 +0200, Gleb Natapov wrote: > > > > > > [...] > > > > > > > > But... why does the command "info cpus" in the monitor report all cpus > > > > > > > > apart from CPU0 as (halted) ? > > > > > > > > > > > > > > > Because they are halted? Run multiple cpu hogs in the guest and see if > > > > > > > cpus will still be halted as reported by monitor. Also kvm-72 is so > > > > > > > ancient that I am not sure it reports cpu state correctly in monitor at > > > > > > > all. > > > > > > > > > > > > > > -- > > > > > > fair enough, upgraded to 0.12.5, same results. > > > > > > > > > > > > tried a cpu-hog (small loop forking 5 times and each fork doing some > > > > > > integer arithmetics for a while) - no change in info cpus > > > > > > > > > > > > thank you, but I still don't get it ;-) > > > > > > > > > > > At what rip are they halted? Try to run without kvm and see if the > > > > > result is the same. Can you provide output of "info cpus" here? > > > > > Are you using qemu-kvm or qemu BTW? > > > > > > > > I am using qemu-kvm (debian package Version: 0.12.5+dfsg-3). > > > > Here's the "info cpus" with and without kvm acceleration. > > > > basically qemu shows the behavior I'd expect, kvm does not. Or do I > > > > misunderstand something? > > > > > > > No you are not. So your qemu-kvm version has cpu state reporting bug too. It is > > > not serious bug, just annoying. pc shows that otherwise everything is > > > working as expected. > > > > I see. Is that a known bug, is someone working on that already? > > If not... could you point me to the relevant code sections/docs where I > > can fix that? > > It actually is quite relevant for me, as I have to manage quite a lot of > > VMs and need to be able to query how many cpus/cores they're using ;( > > > I fixed it several times in the past[0][1][3], but it keeps re-appearing :) I > hope current qemu-kvm head is OK. > > [0] 865aa3fec2b3d83c9b6edd452050a30ef6eaf3b8 > [1] 8c7d4cb7163d1c97df4439e2e0edb5918abf106b > [2] d6d233543d543fcf34df6190bbce5daf38d870f5 got it. I'll keep an eye on head and once cpu-hotplug works with head I'll test the state reporting ;) Thank you!!! Conrad -- 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
