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Bug#922666: confirmed bug report

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Hi Antoine

On Fri, Apr 30, 2021 at 07:34:04PM -0400, Antoine Beaupré wrote:
> On 2021-04-30 21:04:29, Salvatore Bonaccorso wrote:
> > Control: tags -1 + moreinfo
> >
> > Hi Tollef, Antoine,
> >
> > On Wed, Sep 11, 2019 at 08:20:22PM -0400, Antoine Beaupré wrote:
> >> Control: forcemerge 922666 928189
> >> Control: severity 922666 important
> >> Control: tags 922666 +patch +confirmed
> >> 
> >> I also see a regression with touchpads and trackpoint on a Thinkpad E431
> >> after upgrading from Debian stretch to buster. My research indicates
> >> this is a kernel regression, as yet to be fixed.
> >> 
> >> This is the result of my research, as available online at:
> >> 
> >> https://anarc.at/services/upgrades/buster/#touchpad-trackpoint-freeze-after-sleep
> >> 
> >> On a Thinkpad E431, the entire mouse interface (touch, trackpoint)
> >> freezes after sleep. Keyboard still works but not mouse until a
> >> reboot.
> >> 
> >> There's [bug 922666][] in Debian buster, without a fix. It also says
> >> it eventually recovers, which is not our experience. Possible dupe is
> >> [bug 928189][].
> >> 
> >> [bug 928189]: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=928189
> >> [bug 922666]: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=922666
> >> 
> >> There's also [bug 1791427][] in Ubuntu 18.04 that seems related, and
> >> which proposes the following workarounds:
> >> 
> >>  * In gsettings: `org.gnome.desktop.peripherals.touchpad click-method disabled`
> >> 
> >>  * A .service file:
> >> 
> >>         # /etc/systemd/system/touchpad-sleep.service
> >>         # restore touchpad on suspend
> >> 
> >>         [Unit]
> >>         Description=Restore Touchpad on suspend
> >>         Before=sleep.target
> >>         StopWhenUnneeded=yes
> >> 
> >>         [Service]
> >>         #Type=oneshot
> >>         Type=idle
> >>         RemainAfterExit=yes
> >>         ExecStart=/bin/bash -c 'echo "0000:00:1f.4" > /sys/bus/pci/drivers/i801_smbus/unbind'
> >>         ExecStop=/bin/bash -c 'echo "0000:00:1f.4" > /sys/bus/pci/drivers/i801_smbus/bind'
> >> 
> >>         [Install]
> >>         WantedBy=sleep.target
> >> 
> >>  * "Maybe try xserver-xorg-input-evdev instead of xserver-xorg-input-libinput?"
> >> 
> >>  * reloading `psmouse`:
> >>  
> >>         sudo modprobe -r psmouse
> >>         sudo modprobe psmouse
> >> 
> >>  * "`modprobe i2c-i801` after removing it from the `blacklist.conf` seems to solve the issue."
> >> 
> >>  * whatever this is:
> >>  
> >>         # echo 1 > /sys/devices/rmi4-00/nosleep
> >> 
> >>  * "Anyone who still affected by touchpad issues after S3. Please
> >>    switch back to suspend-to-idle in BIOS if s2idle is
> >>    supported. ThinkPad Carbon 6th and Yoga 3rd do support
> >>    suspend-to-idle in BIOS->config->power menu."
> >> 
> >> [bug 1791427]: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1791427
> >> 
> >> There's also [bug 1442699][] in Fedora, which suggests those
> >> workarounds:
> >> 
> >>  * another module reload:
> >>  
> >>         sudo rmmod i2c_hid
> >>         sudo modprobe i2c_hid
> >> 
> >>  * "Just updated to kernel-4.12.5-300.fc26.x86_64 in updates-testing
> >>    and this issue seems to have been resolved (for me)."
> >> 
> >>  * another `/proc` hack:
> >>  
> >>         echo -n "reconnect" >  /sys/bus/serio/devices/serio1/drvctl
> >> 
> >>  * "The `psmouse.synaptics_intertouch=0` workaround still works for me."
> >> 
> >> [bug 1442699]: https://bugzilla.redhat.com/show_bug.cgi?id=1442699
> >> 
> >> Also related is this [libinput bug][] that's closed as "not our bug"
> >> because they claim it's a bug in the kernel.
> >> 
> >> [libinput bug]: https://bugs.freedesktop.org/show_bug.cgi?id=103149
> >> 
> >> There are [two][] [patches][] on the Linux kernel which apparently fix the
> >> issue, still pending approval:
> >> 
> >> [two]: https://lkml.org/lkml/2019/2/20/700
> >> [patches]: https://lkml.org/lkml/2019/2/20/701
> >> 
> >> Possibly related: https://lkml.org/lkml/2016/8/18/134
> >> 
> >> [5.1rc7][] shipped two fixes against the `synaptics-rmi4` module. A
> >> [pull request][] has been merged in mainline with two other fixes on
> >> the module./ [5.0.11][] also has fixes on the module. It's clearly a
> >> regression from Debian stretch (kernel 4.9) since it was working fine
> >> before.
> >> 
> >> Possibly related, [two-finger scrolling bug in Ubuntu][], which
> >> identifies [this commit][] as the source of the regression. [Upstream
> >> kernel bug][], still open.
> >> 
> >> [5.1rc7]: https://lkml.org/lkml/2019/4/28/270
> >> [pull request]: https://lkml.org/lkml/2019/7/12/19
> >> [5.0.11]: https://lkml.org/lkml/2019/5/2/287
> >> [Upstream kernel bug]: https://bugzilla.kernel.org/show_bug.cgi?id=196719
> >> [this commit]: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=e839ffab028981ac77f650faf8c84f16e1719738
> >> [two-finger scrolling bug in Ubuntu]: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1722478
> >> 
> >> I haven't tried any of those workarounds. I hope this helps!
> >
> > Can you confirm if this issue is still present with a recent kernel?
> 
> e.g. buster-backports?

Yes exactly either buster-backports, unsteable or mainline.

Initial goal on asking you back is that the issue as reported for some
kernels way back, try to find out if the issue is still present or if
we can close the bug otherwise as maintenance.

Regards,
Salvatore

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Thread

Bug#922666: confirmed bug report Salvatore Bonaccorso <carnil@debian.org> - 2021-04-30 21:10 +0200
  Processed: Re: Bug#922666: confirmed bug report "Debian Bug Tracking System" <owner@bugs.debian.org> - 2021-04-30 21:10 +0200
  Processed: Re: Bug#922666: confirmed bug report "Debian Bug Tracking System" <owner@bugs.debian.org> - 2021-04-30 21:10 +0200
  Bug#922666: confirmed bug report Tollef Fog Heen <tfheen@err.no> - 2021-04-30 21:40 +0200
  Bug#922666: confirmed bug report Antoine Beaupré <anarcat@debian.org> - 2021-05-01 01:40 +0200
    Bug#922666: confirmed bug report Salvatore Bonaccorso <carnil@debian.org> - 2021-05-01 08:10 +0200
      Bug#922666: confirmed bug report Antoine Beaupré <anarcat@debian.org> - 2021-05-03 02:30 +0200
        Bug#922666: confirmed bug report Salvatore Bonaccorso <carnil@debian.org> - 2021-05-03 07:40 +0200
          Bug#922666: confirmed bug report Antoine Beaupré <anarcat@debian.org> - 2021-05-03 17:10 +0200
          Bug#922666: confirmed bug report Antoine Beaupré <anarcat@debian.org> - 2021-05-04 02:50 +0200
            Bug#922666: confirmed bug report Antoine Beaupré <anarcat@debian.org> - 2021-05-04 04:00 +0200
              Bug#922666: confirmed bug report Antoine Beaupré <anarcat@debian.org> - 2021-05-04 21:20 +0200

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