linux-image-3.13.0-29-generic - soft lockup in kvm guests
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux-lts-trusty (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned |
Bug Description
# lsb_release -rd
Description: Ubuntu 14.04 LTS
Release: 14.04
# apt-cache policy linux-image-generic
linux-image-
Installiert: 3.13.0.29.35
Installations
Versionstabelle:
*** 3.13.0.29.35 0
500 http://
100 /var/lib/
3.13.0.24.28 0
500 http://
This bug shows on a Fujitsu Primergy RX300 S6 server, upgraded from Ubuntu 12.04 Server (x86_64) to 14.04 Server (x86_64). When running linux-image-
The problem does not appear when booting the server with mainline kernel linux-image-
I am seeing a simular issue on 3.13.0-30 on the host.
It hasn't got as far as a cpu soft lockup but I do get network issues.
64 bytes from 10.3.0.2: icmp_seq=59 ttl=64 time=0.717 ms
64 bytes from 10.3.0.2: icmp_seq=60 ttl=64 time=0.706 ms
64 bytes from 10.3.0.2: icmp_seq=61 ttl=64 time=0.454 ms
64 bytes from 10.3.0.2: icmp_seq=62 ttl=64 time=0.635 ms
64 bytes from 10.3.0.2: icmp_seq=63 ttl=64 time=0.707 ms
64 bytes from 10.3.0.2: icmp_seq=64 ttl=64 time=2333 ms # Starts here
64 bytes from 10.3.0.2: icmp_seq=65 ttl=64 time=856 ms
64 bytes from 10.3.0.2: icmp_seq=66 ttl=64 time=350 ms
64 bytes from 10.3.0.2: icmp_seq=67 ttl=64 time=80.1 ms
64 bytes from 10.3.0.2: icmp_seq=68 ttl=64 time=12.5 ms
64 bytes from 10.3.0.2: icmp_seq=69 ttl=64 time=2.71 ms
64 bytes from 10.3.0.2: icmp_seq=70 ttl=64 time=1.71 ms
64 bytes from 10.3.0.2: icmp_seq=71 ttl=64 time=0.597 ms
64 bytes from 10.3.0.2: icmp_seq=72 ttl=64 time=0.729 ms
64 bytes from 10.3.0.2: icmp_seq=73 ttl=64 time=0.727 ms
64 bytes from 10.3.0.2: icmp_seq=74 ttl=64 time=0.642 ms
64 bytes from 10.3.0.2: icmp_seq=75 ttl=64 time=0.715 ms
64 bytes from 10.3.0.2: icmp_seq=76 ttl=64 time=0.715 ms
64 bytes from 10.3.0.2: icmp_seq=77 ttl=64 time=0.776 ms
64 bytes from 10.3.0.2: icmp_seq=78 ttl=64 time=0.742 ms
64 bytes from 10.3.0.2: icmp_seq=79 ttl=64 time=0.770 ms
I've since upgraded to the 3.14.1 kernel that will be in ubuntu 14.04.01 which has fixed the problem.