Re: Waiting for bufdaemon

On Fri, Jan 15, 2021 at 04:30:19PM +0100, Mikaël Urankar wrote:
> On 15/01/2021 16:02, Konstantin Belousov wrote:
> > On Fri, Jan 15, 2021 at 03:56:01PM +0100, Mikaël Urankar wrote:
> > > On 15/01/2021 11:26, Jakob Alvermark wrote:
> > > > Hi,
> > > > 
> > > > 
> > > > When rebooting my thinkpad the 'bufdaemon' times out:
> > > > 
> > > > Waiting (max 60 seconds) for system thread 'bufdaemon' to stop ... timed
> > > > out
> > > > 
> > > > Waiting (max 60 seconds) for system thread 'bufspacedaemon-0' to stop
> > > > ... timed out
> > > > 
> > > > Waiting (max 60 seconds) for system thread 'bufspacedaemon-1' to stop
> > > > ... timed out
> > > > 
> > > > Waiting (max 60 seconds) for system thread 'bufspacedaemon-2' to stop
> > > > ... timed out
> > > > 
> > > > Waiting (max 60 seconds) for system thread 'bufspacedaemon-3' to stop
> > > > ... timed out
> > > > 
> > > > Waiting (max 60 seconds) for system thread 'bufspacedaemon-4' to stop
> > > > ... timed out
> > > > 
> > > > Waiting (max 60 seconds) for system thread 'bufspacedaemon-5' to stop
> > > > ... timed out
> > > > 
> > > > 
> > > > This started happening recently (within the last week I think).
> > > 
> > > Hi,
> > > 
> > > I'm also affected. I have an AMD Ryzen 9 3900X cpu, running bare metal.
> > > 
> > > 5844bd058aed6f3d0c8cbbddd6aa95993ece0189 (jobc: rework detection of orphaned
> > > groups) "seems" ok
> > > 
> > > cd240c9cf100bec3def38ceb4a320611b1d02693 (x86 vdso gettc: Add RDTSCP
> > > support), affected by the timeout.
> > > 
> > > I haven't tried the intermediate commit yet.
> > > 
> > > My intel machine doesn't seem to be affected
> > 
> > If you revert only 9e680e4005b7, is it fixed ?
> > 
> Yes it seems to be fixed with 9e680e4005b7 reverted (I've only done 2 tests,
> I can do more if you want)
Please show me the output from sysctl
kern.timecounter
kern.eventtimer
and first 100 lines of dmesg from the verbose boot (that contains the CPU
ident lines).