On Wed, Aug 20, 2025 at 09:26:38AM +0200, Christof Meerwald wrote:
> On Wed, Aug 20, 2025 at 06:30:27AM -0000, Michael van Elst wrote:
> > cme...@cmeerw.org (Christof Meerwald) writes:
> >
> > >What I am seeing is that processes end up waiting in "tstile" (just
> > >showing those).
> > Unfortunately "tstile" doesn't tell much. The process is waiting
> > on some mutex that is held by some other process. The process
> > holding the mutex is either busy or waits itself for something
> > else. You need find this process that stalls all the others.
>
> BTW, got some backtraces:
>
> This is the lighttpd process (the first one that got stuck in tstile):
> Does that help? What should I be looking for?
In ddb the command "show all tstiles" reports all lwps waiting for locks
and what lwp is holding the lock. It should tell you the process
that causes this (unless its a longer chain of dependencies...).
Greetings
--
Michael van Elst
Internet: mlel...@serpens.de
"A potential Snark may lurk in every tree."
