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Bug#871896: marked as done (hang after resume on Thinkpad S2 2nd Gen)

Your message dated Sat, 15 May 2021 07:34:54 -0700 (PDT)
with message-id <609fdc0e.1c69fb81.98c4f.545c@mx.google.com>
and subject line Closing this bug (BTS maintenance for src:linux bugs)
has caused the Debian Bug report #871896,
regarding hang after resume on Thinkpad S2 2nd Gen
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
871896: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=871896
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: src:linux
Version: 4.9.30-2+deb9u2

When running an up-to-date version of stretch on Thinkpad S2 2nd Gen,
the system would hang after suspend/resume. Unloading hid_multitouch
module before suspend will make the resume reliable, but reloading the
module after resume has a very high chance to hang the system. The
behavior can be reproduced on 4.9.30+deb9u2, 4.11.6-1~bpo9+1, and
4.12.2-1~exp1. The touchscreen device is called RAYD0001:00 2386:3118,
both version 1.10 and 1.11 (2017-04-13) of BIOS can reproduce.

Attached are logs that collected by unloading the module right before
going to sleep, otherwise logs are lost because the system hang
(nothing write to disk when checked after reboot).

By running PM tests, it shows kernel freezer works (echo freezer >
/sys/power/pm_test), but when testing devices (echo devices >
/sys/power/pm_test) the problem occurs.

$ cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-4.12.0-trunk-amd64
root=UUID=5aabb5b9-f37d-40e5-8e70-3a6b7dc34b2e ro nowatchdog quiet

$ lsmod | egrep (hid|i2c)
hid_multitouch         20480  0
i2c_designware_platform    16384  0
i2c_designware_core    20480  1 i2c_designware_platform
i2c_algo_bit           16384  1 i915
i2c_i801               24576  0
i2c_hid                20480  0
hid                   118784  2 i2c_hid,hid_multitouch

$ free -m
              total        used        free      shared  buff/cache   available
Mem:           7872        1014        5981         167         876        6568
Swap:          8191           0        8191

$ xinput
⎡ Virtual core pointer                          id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ ETPS/2 Elantech Touchpad                  id=13   [slave  pointer  (2)]
⎜   ↳ ETPS/2 Elantech TrackPoint                id=14   [slave  pointer  (2)]
⎜   ↳ RAYD0001:00 2386:3118                     id=12   [slave  pointer  (2)]
⎣ Virtual core keyboard                         id=3    [master keyboard (2)]
    ↳ Virtual core XTEST keyboard               id=5    [slave  keyboard (3)]
    ↳ Power Button                              id=6    [slave  keyboard (3)]
    ↳ Video Bus                                 id=7    [slave  keyboard (3)]
    ↳ Power Button                              id=8    [slave  keyboard (3)]
    ↳ Sleep Button                              id=9    [slave  keyboard (3)]
    ↳ Integrated Camera                         id=10   [slave  keyboard (3)]
    ↳ ThinkPad Extra Buttons                    id=15   [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard              id=11   [slave  keyboard (3)]

Attachment: pm-suspend.log
Description: Binary data

Attachment: dmesg
Description: Binary data

Attachment: Xorg.0.log
Description: Binary data

Attachment: proc_interrupts
Description: Binary data


--- End Message ---
--- Begin Message --- 
Hi

This bug was filed for a very old kernel or the bug is old itself
without resolution.

If you can reproduce it with

- the current version in unstable/testing
- the latest kernel from backports

please reopen the bug, see https://www.debian.org/Bugs/server-control
for details.

Regards,
Salvatore

--- End Message ---
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