** Description changed: 1) The release of Ubuntu you are using, via 'lsb_release -rd' or System -> About Ubuntu Description: Ubuntu 14.04.5 LTS Release: 14.04 2) The version of the package you are using, via 'apt-cache policy pkgname' or by checking in Software Center Ubuntu 4.4.0-111.134~14.04.1-generic 4.4.98 + qemu-system 2.0.0+dfsg-2ubuntu1.36 3) What you expected to happen The system should not have crashed 4) What happened instead The system crashed and reported CPU soft lockup errors. Hi, we had a system lock up completely today, we noticed the following in the logs: [84070301.087602] BUG: soft lockup - CPU#1 stuck for 23s! [qemu-system-x86:30908] [84070301.271530] BUG: soft lockup - CPU#8 stuck for 22s! [khugepaged:238] [84070314.314615] INFO: rcu_sched detected stalls on CPUs/tasks: { 0} (detected by 19, t=150024 jiffies, g=8647354832, c=8647354831, q=0) [84070341.072534] BUG: soft lockup - CPU#1 stuck for 22s! [qemu-system-x86:30908]
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1746860 Title: CPU Soft Lockup Causing Trusty (4.4.0-111-generic) to become unresponsive To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1746860/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs