@wkitty42: Since the security update was for AMD processors - are you
running on Intel or AMD?
Note: I marked this regression-update and we should keep and work under
that urgency unless we can prove otherwise.
I spawned a set of 64 bit guests on:
2.0.0+dfsg-2ubuntu1.42
Then I upgraded to
2.0.0+dfsg-2ubuntu1.43
The guests still start fine.
Then I upgraded all else which e.g. meant also a related change in libvirt.
=> Still working fine.
I only had an Intel host thou, so it might be important to learn if you
run on AMD hardware and if that might be a prereq to be affected? The
requested /proc/cpuinfo will have all that.
Also in addition to the Kernel Panic getting the guest log could be
useful in case qemu has thrown warnigns or errors.
Summarizing, please provide:
HW Info
- cat /proc/cpuinfo
- sudo dmidecode
Logs:
- journalctl -xe
- cat /var/log/libvirt/qemu/<guestname>.log
- dmesg
Collect the logs right after the guest crashed please.
** Changed in: qemu (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1776575
Title:
14.04.5 safe-upgrade from QEMU 2.0.0+dfsg-2ubuntu1.42 to QEMU 2.0.0
+dfsg-2ubuntu1.43 kernel panics amd64 VM guests
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