This problem appears to be solved by setting
GRUB_CMDLINE_LINUX="i8042.nomux=1 i8042.reset" in /etc/default/grub (as
advised in
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1210748). Looks
like it's either buggy hardware or a buggy driver, then.
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This is just to confirm that the bug still appears in Ubuntu 16.04. I am
stuck with bisection, because I can't find the binaries for Saucy from
the link you posted -- appears to be too old. Also, when I tried to run
old kernels on this laptop nothing was working as apparently newer
distros require
Public bug reported:
Hi,
when I run kernel 4.2.0-23, several devices don't work (USB devices,
wireless card, DisplayPort on the docking station) on my Lenovo ThinkPad
X230. Everything works OK with the previous 4.2.0-22 version.
I'm filing the bug running the 4.2.0-22 version since I don't have
** Attachment added: "lspci-vnvn.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1532721/+attachment/4547879/+files/lspci-vnvn.log
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Unfortunately, I don't have them anymore as I had to delete them to make
space for upgrades.
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https://bugs.launchpad.net/bugs/1512482
Title:
Keyboard and touchpad
Could you please tell me where to download them from? I'm having a bit
of a hard time navigating through old-releases.ubuntu.com. Thanks!
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I remember that I didn't have this problem in 13.10 (Saucy) and I had it
in Vivid and now Wily.
What do you mean as "confirmed to root cause"? What do you expect me to
do next?
thanks!
matteo
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Bug confirmed also on the 4.4-rc3 kernel.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1512482
Title:
Keyboard
I just reproduced it on the mainline kernel 4.3 (4.3.0-040300-generic).
Now I've reproduced the bug with all combinations of BIOS and kernel
versions.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Couldn't reproduce it yet. At the moment, the situation is:
Kernel 4.2.0, both BIOS versions (v. 1.69 & v. 1.71): bug present
Mainline kernel 4.3, old BIOS v. 1.69: bug present
Mainline kernel 4.3, new BIOS v. 1.71: but not reproduced yet
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I was speaking too early. The problem resurfaced. Now running 1.71 BIOS
and 4.2.0-19-generic kernel.
** Changed in: linux (Ubuntu)
Status: Invalid => Confirmed
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Christopher and Joseph, thanks a lot!
After updating the BIOS, the problem *seems* to be gone. I'll mark this
as Invalid, and will change it to Confirmed it if it shows up again.
The output for the dmidecode commands is
GDETB1WW (1.71 )
09/14/2015
Thanks a lot!
matteo
** Changed in: linux
After a reboot, the same problem is now happening with the upstream
(4.3) kernel.
Again, I'm not really sure this is a kernel problem and the devices are
not appearing on xinput --list.
Please let me know how I can help further.
** Tags removed: kernel-fixed-upstream needs-reverse-bisect
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If I remember correctly, I started having the issue with the upgrade
from 14.10 to 15.04, I believe. Stupid me, I didn't file the bug because
I didn't know which package to file it for.
Right now I'm running the 4.3 mainline kernel, and everything seems to
run fine.
** Tags added:
Public bug reported:
I don't know if this is really a kernel bug or if it's any other
component, please help me know how I can diagnose the problem better.
This is a bug I have been experiencing with both 15.04 and 15.10, while
this was not a problem with earlier distributions -- unfortunately,
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