On Tue, Jun 08, 2021 at 09:42:09AM +0300, Heikki Krogerus wrote:
> On Mon, Jun 07, 2021 at 10:09:58PM +0200, Benjamin Berg wrote:
> > Hi Heikki,
> >
> > On Mon, 2021-06-07 at 16:14 +0300, Heikki Krogerus wrote:
> > > This is the RFC series I promised [1].
> >
> > Cool.
> >
> > > I'm sorry it took this long to prepare these. I had to concentrate on
> > > other task for a while.
> > >
> > > Let me know if you still see any problems.
> >
> > Hmm, I am not sure this got better. I applied the patchset on top of of
> > the 5.12.9 Fedora 34 kernel. On the machine in question (X1 Carbon 8),
> > I see the online state getting stuck at 1 occasionally. This can happen
> > for example when quickly plugging and unplugging a USB-C charger.
>
> Please check does the partner device get removed. What do you have
> under /sys/class/typec after that happens?
Oh yes. Could you also share the trace output when that happens?
cd /sys/kernel/debug/tracing
echo 1 > events/ucsi/enable
# now reproduce the issue
cat trace > ucsi.trace
thanks,
--
heikki
