Hi David, > > As a result of changes to Kconfig files, we no longer enable > > the lockup and hung task detectors. Both are very light weight > > and provide useful information in the event of a hang, so > > reenable them. > ... > > +CONFIG_LOCKUP_DETECTOR=y > > +CONFIG_DETECT_HUNG_TASK=y > > Is one of thise responsible for generating a kernel stack traceback > when a process has been sleeping uninterruptably for a 'long' time? > > We have a kernel subsystem that has several 'worker' threads, > these always sleep uninterruptable (they are shut down by explicit > request) and, at times, can be idle for long periods. > > Perhaps it should be possible to disable the check either on > a per-process of per sleep basis?
I don't see any runtime options other than disabling it completely via: /proc/sys/kernel/hung_task_timeout_secs Anton _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
