https://bugzilla.novell.com/show_bug.cgi?id=736268 https://bugzilla.novell.com/show_bug.cgi?id=736268#c0 Summary: Kernel shutdown may hang due to nmi watchdog Classification: openSUSE Product: openSUSE 12.1 Version: Final Platform: Other OS/Version: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: adrian@suse.com QAContact: qa@suse.de CC: brogers@suse.com, agraf@suse.com, afaerber@suse.com Found By: --- Blocker: --- We observe a significant higher number of build failures in OBS using the 12.1 kernel due to hanging guest kernels during system shutdown invoked by "echo o
/proc/sysrq-trigger".
Thanks to Michael and Alex this got traced down to nmi watchdog, which keeps one CPU looping forever in migrate_task() function. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.