** Attachment added: "IMG_20140121_225602.jpg" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1271540/+attachment/3954366/+files/IMG_20140121_225602.jpg
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1271540 Title: Random "Watchdog detected hard lockup" when resuming from suspend Status in “linux” package in Ubuntu: Incomplete Bug description: Hi, I encounter a random bug when suspending my computer : everything suspends properly when I press the sleep button on the keyboard, but sometimes the computer freezes when I wake it up (by hitting the power button). So I have to power off the computer by long press on the power button, or reset the computer. I tried to suspend with the pm-suspend command, I got the same result. I tried to suspend through a TTY, and here I was able to get some logs (I took a photo of the log, attached to this bug report). The error message was the watchdog detected a hard lockup on the cpu (8 core cpu, so I got several times the message). The faulty software seems to be systemd-udevd, according to the trace I got. I googled a bit the problem, but wasn't able to very usefull information I wasn't able to find anything about the message I saw on the screen in the log files. No record at the time of the freeze. That really surprised me. I noticed also this problem related to suspend : I use virtualbox and if I suspend computer, resume it and try to launch a VM after, I can't get it running properly : it is very slow and I have to reboot the compter to get it working properly. And I noticed also if I have used a VM and after I suspend the computer, I am almost sure I'm gonna have a freeze when I wake the computer up. Maybe is there something related ? This problem happens randomly but I didn't find anything to reproduce it. Here is the configuration of the computer : -mother board : MSI h77ma-g43 -cpu : intel core i7 ivy bridge series -ram : 16 gb -using onboard soundcard and video card -1 hdd 1.5 tb on sata 3 -another 1 tb hdd on sata 3 -bluray/dvd burner on sata Using Kubuntu 13.10 x64 everything up to date. Does anybody get the same or a similar problem ? If any more information is needed, please feel free to ask. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1271540/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
