I'm attempting to reproduce this bug, but have not been able to yet. Does the panic happen every time you run the dd example? Also, did this issue happen with prior kernels or is it new with the 3.13.0-68 kernel?
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-lts-trusty in Ubuntu. https://bugs.launchpad.net/bugs/1515828 Title: system lockup, console logs kernel BUG at /build/linux-lts-trusty- HlNG0J/linux-lts-trusty-3.13.0/kernel/hrtimer.c:1310 Status in linux-lts-trusty package in Ubuntu: Triaged Bug description: Reproducible by trying to do any non-trivial amount of I/O to one of the installed SSDs, e.g.: dd if=/dev/sdb of=/dev/null bs=1024k ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.13.0-68-generic 3.13.0-68.111~precise1 ProcVersionSignature: Ubuntu 3.13.0-68.111~precise1-generic 3.13.11-ckt27 Uname: Linux 3.13.0-68-generic x86_64 ApportVersion: 2.12-0ubuntu2~0.IS.12.04.1 Architecture: amd64 Date: Fri Nov 13 01:16:14 2015 MarkForUpload: True ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: linux-lts-trusty UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-trusty/+bug/1515828/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp