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FS#50707 - [linux] Laptop keyboard doesn't work after an upgrade to 4.7.3

Attached to Project: Arch Linux
Opened by Andrey Vihrov (andreyv) - Thursday, 08 September 2016, 17:41 GMT
Last edited by Doug Newgard (Scimmia) - Thursday, 08 September 2016, 17:45 GMT
Task Type Bug Report
Category Packages: Testing
Status Closed
Assigned To No-one
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No



Starting from linux 4.7.3 and linux-lts 4.4.20, keyboard input doesn't work in the initramfs stage on a Dell Latitude E5550. linux 4.7.2 and linux-lts 4.4.19 are fine.

I found that manually adding "i8042" to the MODULES list in /etc/mkinitcpio.conf fixes the problem for the "default" initramfs image. This commit, present in both 4.7.3 and 4.4.20, seems to be related:

Additional info:
* linux 4.7.3
* linux-lts 4.4.20

Attached file:
* dmesg from a successful boot
   dmesg (60.6 KiB)
This task depends upon

Closed by  Doug Newgard (Scimmia)
Thursday, 08 September 2016, 17:45 GMT
Reason for closing:  Duplicate