Huawei Kunpeng 920 arm64 machine KVM guest frequently crash
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
kunpeng920 |
Invalid
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Invalid
|
Undecided
|
Unassigned |
Bug Description
Hardware spec: 64 core 64 G ram arm64
OS & kernel version: Ubuntu 18.04.4 LTS, 4.15.0-91-generic
`virt-host-validate qemu` output:
QEMU: Checking if device /dev/kvm exists : PASS
QEMU: Checking if device /dev/kvm is accessible : PASS
QEMU: Checking if device /dev/vhost-net exists : PASS
QEMU: Checking if device /dev/net/tun exists : PASS
QEMU: Checking for cgroup 'memory' controller support : PASS
QEMU: Checking for cgroup 'memory' controller mount-point : PASS
QEMU: Checking for cgroup 'cpu' controller support : PASS
QEMU: Checking for cgroup 'cpu' controller mount-point : PASS
QEMU: Checking for cgroup 'cpuacct' controller support : PASS
QEMU: Checking for cgroup 'cpuacct' controller mount-point : PASS
QEMU: Checking for cgroup 'cpuset' controller support : PASS
QEMU: Checking for cgroup 'cpuset' controller mount-point : PASS
QEMU: Checking for cgroup 'devices' controller support : PASS
QEMU: Checking for cgroup 'devices' controller mount-point : PASS
QEMU: Checking for cgroup 'blkio' controller support : PASS
QEMU: Checking for cgroup 'blkio' controller mount-point : PASS
WARN (Unknown if this platform has IOMMU support)
libvirt version: 4.0.0-1ubuntu8.14
qemu version: 1:2.11+
guest vm kernel version: 4.15.0-64-generic aarch64
dmesg log:
kvm [49132]: Unexpected L2 read permission error
libvirt log:
ubuntu libvirtd: 2020-03-20 03:04.474+0000: 42934: warning : qemuDomainObjTa
When "Unexpected L2 read permission error" this error occured, one of guest machines will become "paused" state, need to `virsh reset PAUSED_VM_NAME` to reset then start it. Those guest vm hang/crash occured very frequently, sometimes several times per hour.
affects: | ubuntu → linux-meta (Ubuntu) |
affects: | linux-meta (Ubuntu) → linux (Ubuntu) |
Changed in kunpeng920: | |
status: | New → Incomplete |
Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people interested in the package can find the bugs about it. You can find some hints about determining what package your bug might be about at https:/ /wiki.ubuntu. com/Bugs/ FindRightPackag e. You might also ask for help in the #ubuntu-bugs irc channel on Freenode.
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