Hi Paolo,
Hmm, the symptoms don't seem to match entirely -- I already am on a
64-bit kernel. I didn't recognize high CPU utilization, but I also
admit I wasn't looking for it. Leaving the instance running doesn't
eventually hang my system, but it did cause strange system behavior.
Some apps would stall while launching, others that were already running
would not be able to perform some operations. Nautilus, for example,
couldn't render directory views and would display "Loading..." in the
corner of the window. I assume this is because CPU1 is locked by KVM.
Stopping the instance would allow any pending operations to complete;
apps stuck launching all started at once, and Nautilus was again able
to show me my local disk.
I believe it also prevented clean shutdown. My keyboard's LEDs would
stop responding and after allowing a reasonable amount of time, I
reached for the reset button several times.
I'll reinstall Linux 3.13 tonight and try to confirm these details.
On Wed, Mar 12, 2014 at 7:08 AM, Paolo Bonzini <pbonz...@redhat.com>
wrote:
Il 11/03/2014 21:01, Jason S. Wagner ha scritto:
Hi all,
Over the weekend, Linux 3.13.6 was installed on my machine. When I
started gnome-boxes on Monday morning, my VM halted during boot.
Only a
portion of the VESA BIOS init output was displayed on-screen before
the
halt. Backtraces occasionally appeared in dmesg
(http://pastebin.com/uUiNLmJ6). Some other programs were prevented
from
performing some tasks while the VM was running.
While investigating, I was directed to an earlier KVM bug report
(https://lkml.org/lkml/2014/2/11/487). I downgraded to Linux 3.12.9
and
rebooted, and now my VM is starting. Unfortunately, I'm very new to
Linux, so I'm not sure what the next steps would be.
Yeah, it's quite likely this is the issue you're facing.
And the author of the report at
http://www.spinics.net/lists/kvm/msg100196.html also told me
privately that 64-bit kernel made it go away, so it's also likely to
be the same thing. Thomas, do you also see a "soft lockup" message?
Paolo
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