On Thursday, October 18, 2018 9:32:42 AM CEST Rafael J. Wysocki wrote: > On Wed, Oct 17, 2018 at 1:24 PM Vitaly Kuznetsov <[email protected]> wrote: > > > > It is possible to observe hung_task complaints when system goes to > > suspend-to-idle state: > > > > # echo freeze > /sys/power/state > > > > PM: Syncing filesystems ... done. > > Freezing user space processes ... (elapsed 0.001 seconds) done. > > OOM killer disabled. > > Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done. > > sd 0:0:0:0: [sda] Synchronizing SCSI cache > > INFO: task bash:1569 blocked for more than 120 seconds. > > Not tainted 4.19.0-rc3_+ #687 > > "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > > bash D 0 1569 604 0x00000000 > > Call Trace: > > ? __schedule+0x1fe/0x7e0 > > schedule+0x28/0x80 > > suspend_devices_and_enter+0x4ac/0x750 > > pm_suspend+0x2c0/0x310 > > > > Register a PM notifier to disable the detector on suspend and re-enable > > back on wakeup. > > > > Signed-off-by: Vitaly Kuznetsov <[email protected]> > > Thanks for your patience with this! > > Are there any objections or concerns regarding this patch?
Seeing none, so applied. Thanks, Rafael
