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[Qemu-devel] [Bug 1174654] Re: qemu-system-x86_64 takes 100% CPU after h
From: |
tobias |
Subject: |
[Qemu-devel] [Bug 1174654] Re: qemu-system-x86_64 takes 100% CPU after host machine resumed from suspend to ram |
Date: |
Sat, 12 Oct 2013 09:06:01 -0000 |
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 is investigation going on upstream ?
I am not sure where to look or curious whether there are other workarounds.
** Attachment added: "win7.xml"
https://bugs.launchpad.net/qemu/+bug/1174654/+attachment/3875634/+files/win7.xml
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https://bugs.launchpad.net/bugs/1174654
Title:
qemu-system-x86_64 takes 100% CPU after host machine resumed from
suspend to ram
Status in QEMU:
Confirmed
Status in “qemu” package in Ubuntu:
Invalid
Bug description:
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
controllable and could be shutdown by itself.
According to the taskmgr any active process takes 99% CPU. It's not
stuck on some single process.
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