Same for me here, Ubuntu wily.
I'm using vagrant-libvirt, and my hosts also very often run wild with 100% cpu
usage after suspend.
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I am running Ubuntu Wily (the 20150717 daily build) can reproduce this
problem, whatever the guest is Linux or Windows, after host got resumed
from suspend, the kvm (qemu-system-x86_64) process becomes a 100% cpu
usage,
user@ubuntu-mate:~$ kvm --version
QEMU emulator version 2.3.0 (Debian 1:2.3+df
Thanks for posting your script Tobias, I'm having the same problem on
Fedora 20 and the script alleviates the symptom.
Matt
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Title:
Did some testing: if one pauses the vms that run windows before suspending
ubuntu no high cpu usage is there once the host and windows vms are resumed.
for me it's workable then in ubuntu by using a suspend / resume script with
power manaager. I put this in /etc/pm/sleep.d (and make it executabl
Hi,
ok confusion cleared :-)
actually i only have this issue with windows guests. linux guests do not
show a high cpu usage after suspend resume.
so are there any recommendations you would have to work around it ?
regards,
Tobias.
On 18-10-13 09:42, mike wrote:
> On 10/18/2013 03:41 PM, tobia
Hello MIke,
but this concerns a windows guest. you mean a kernel configuration
within the guest (aka recompile ?) or a boot parameter within the guest ?
regards,
Tobias.
On 18-10-13 09:26, mike wrote:
> On 10/18/2013 03:12 PM, tobias wrote:
>> Hello Mike,
>>
>> Thanks a lot for getting back on
Hello Mike,
Thanks a lot for getting back on this.
Is the "cpu idle driver" a command line option I need to specify for
qemu (the -cpu option ?)
I could not find a reference to "idle" in the man page.
regards,
Tobias.
On 18-10-13 04:33, mike wrote:
> On 10/18/2013 04:29 AM, tobias wrote:
>> hi
hi,
tried your option but it does not help. (cpu usage is still high)
below my command line syntax:
qemu-system-x86_64 -global mc146818rtc.lost_tick_policy=slew -machine
accel=kvm:tcg -name win7 -S -machine pc-i440fx-1.4,accel=kvm,usb=off -m 2048
-realtime mlock=off -smp 1,sockets=1,cores=1,thre
Please try "-global mc146818rtc.lost_tick_policy=slew".
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Title:
qemu-system-x86_64 takes 100% CPU after host machine resumed from
Hi,
I am also encountering the bug of high cpu usage for a windows guest after
suspend resume of my ubuntu host. Problem was in 13.04 but it's also still
there in 13.10.
The windows guest has virtio / spice enabled.
Linux guests do not get the high cpu usage.
Are there any more logs required or
** Description changed:
I have Windows XP SP3 inside qemu VM. All works fine in 12.10. But
after upgraiding to 13.04 i have to restart the VM each time i resuming
my host machine, because qemu process starts to take CPU cycles and OS
inside VM is very slow and sluggish. However it's still
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