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[Bug 1045894] built in keyboard and touchpad are defect by tumbleweed with latest kernel
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Mon, 03 Jul 2017 13:16:25 +0000
  • Message-id: <bug-1045894-21960-3Q09g8mVHS@http.bugzilla.suse.com/>
http://bugzilla.suse.com/show_bug.cgi?id=1045894
http://bugzilla.suse.com/show_bug.cgi?id=1045894#c3

Takashi Iwai <tiwai@xxxxxxxx> changed:

What |Removed |Added
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Flags| |needinfo?(tschaefer@t-onlin
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--- Comment #3 from Takashi Iwai <tiwai@xxxxxxxx> ---
(In reply to Thomas Schäfer from comment #2)
The kernel versions with the problem are:

4.11.5-1 and 4.11.6-1, probably also some earlier versions, but not before
June

Was the last working one already 4.11.x, or 4.10.x? You can check the zypper
installation history from the log.

At the moment I can't reset the device, but I can provide the message a
older kernel now shows:

[ 4.165943] i8042: Can't read CTR while initializing i8042
[ 4.166074] i8042: probe of i8042 failed with error -5

Thsee messages can be ignored. The Baytrail / Cherrytrail devices have no
i8042 serial connection so the kernel used to show this error message in the
past.
The recent kernels don't probe the i8042 in a fixed way but rely on ACPI setup,
hence the message disappeared.

A other possibility would be a hardware defect, but the device is quite new.

You can try the older kernel from my repo, e.g. OBS home:tiwai:kernel:4.10. If
it works, we still have a hope.

If you get a working kernel again, please get dmesg output on both working and
non-working cases.

BTW, is this only about the built-in keyboard, or doesnt even USB keyboard
work?

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