On Wed, Aug 11, 2021 at 8:46 AM Iñaki Ucar <iu...@fedoraproject.org> wrote:
>
> On Wed, 11 Aug 2021 at 15:12, Benjamin Berg <bb...@redhat.com> wrote:
> >
> > Hi,
> >
> > is thermald.service active and running on that machine?
>
> thermald is not (and was never) installed.
>
> I'm pretty sure now it has something to do with some kernel change in
> the 5.13.x series. I have a (manual) test case that reproduces the
> issue reliably:
> - Suspend the laptop and wait a few minutes until it cools down.
> - Resume the session.
> - Launch a compilation task when the sensors' output shows a
> temperature of ~40ºC for the processor.
>
> I tested this for:
> - 5.13.{4,5,8} -> fan doesn't speed up quickly enough, the laptop shuts down.
> - 5.12.7 -> fan quickly reaches maximum speed, no shutdown.
>
> I see some differences for 5.12.x vs 5.13.x under
> /sys/class/thermal/thermal_zone*/*, but I'm not sure what I should
> look for. Or maybe the misconfiguration could be under
> /sys/class/thermal/cooling_device*/*? Other? Any hints would be
> appreciated.Is the intel_tcc_cooling module loaded? If so, what happens if you remove it? Also, have you opened a bz for this? I don't recall seeing it, but I could be misremembering. Thanks, Justin > Iñaki > > > If yes, could you please edit the command line of the systemd unit to > > include --loglevel=debug and grab some logs[1]? > > > > Ideally both of a "bad" and "good" case. > > > > Obviously, we shouldn't be running into a critical temperature > > situation where the laptop simply shuts down. But I am not sure whether > > this is some misconfiguration or if thermald might be reacting too > > slowly for some reason. > > > > A good next step is likely to raise the issue with the thermald > > upstream and include the logs. > > > > Benjamin > > > > [1] You can also stop the service and simply run thermald manually as > > root. Maybe you find that more convenient. i.e. something like: > > thermald --no-daemon --loglevel=debug --adaptive > > > > On Wed, 2021-08-11 at 12:31 +0200, Iñaki Ucar wrote: > > > Hi, > > > > > > This is so annoying. Recently, I've been experimenting > > > software-initiated shutdowns in my laptop (LG Gram) due to sudden > > > temperature rises in which the fan doesn't catch up and doesn't reach > > > maximum speed. In the journal, I see: > > > > > > kernel: thermal thermal_zone0: acpitz: critical temperature reached, > > > shutting down > > > > > > They happen as follows. When the laptop is still cool (e.g., recently > > > powered up), if I launch some compilation task, which is quite CPU > > > demanding, then the temperature rises quickly and I hear that the CPU > > > fan speeds up too slowly, so slowly that the critical temperature is > > > reached and the laptop shuts down. However, if the laptop was already > > > medium-hot due to other tasks, then the CPU fan catches up and reaches > > > maximum speed quickly, so the temperature is controlled. > > > > > > This wasn't happening before, and I'm guessing that maybe some default > > > kernel thermal parameters have changed recently? (This is replicable at > > > least with all the kernels currently installed: 5.13.4, 5.13.5, > > > 5.13.8). I see that the thermal policy is step_wise in some thermal > > > zones, and user_space in others (there are 8). I'll be happy to provide > > > more info if anyone has any clue on how to debug and/or fix this. > > > > > > Regards, > > > -- > > > Iñaki Úcar > > > _______________________________________________ > > > devel mailing list -- devel@lists.fedoraproject.org > > > To unsubscribe send an email to devel-le...@lists.fedoraproject.org > > > Fedora Code of Conduct: > > > https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > > > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > > > List Archives: > > > https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org > > > Do not reply to spam on the list, report it: > > > https://pagure.io/fedora-infrastructure > > > > _______________________________________________ > > devel mailing list -- devel@lists.fedoraproject.org > > To unsubscribe send an email to devel-le...@lists.fedoraproject.org > > Fedora Code of Conduct: > > https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > > List Archives: > > https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org > > Do not reply to spam on the list, report it: > > https://pagure.io/fedora-infrastructure > > > > -- > Iñaki Úcar > _______________________________________________ > devel mailing list -- devel@lists.fedoraproject.org > To unsubscribe send an email to devel-le...@lists.fedoraproject.org > Fedora Code of Conduct: > https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: > https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org > Do not reply to spam on the list, report it: > https://pagure.io/fedora-infrastructure _______________________________________________ devel mailing list -- devel@lists.fedoraproject.org To unsubscribe send an email to devel-le...@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
