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iwlwifi regression: wifi dies after some uptime #22365
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I cannot reproduce this problem with the same wifi chip and the same kernel version on unstable on a T440s.
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@vandenoever Have you reported this upstream? |
@abbradar no I have reinstalled a fresh NixOS since I was suspecting btrfs of having corrupted some files, but that did not fix the issue. With a fresh NixOS install the issues is still there. |
As a data point, similar Intel hardware has been flakey in Arch Linux for me:
E.g. I got this spew today:
Kernel is 4.9.6. |
I've updated our non-free linux firmware in 01cf43a a few days ago. This included a bump of the firmware for your devices (fpletz/linux-firmware@350a192) which could maybe help? |
@fpletz will that land in release-16.09 or is there a way to test it while remaining on 16.09? |
I've removed all iwlwifi-8000C-2[2-7].ucode firmware files to make iwlwifi-8000C-21.ucode the first option. On my P70 with Intel 8260 chipset wifi works again. https://bugzilla.redhat.com/show_bug.cgi?id=1390453 suggests version 22 is broken. |
@ookhoi Pushed a new version with those two bad version removed. @vandenoever I've backported the firmware updates to 16.09. I hope this fixes the issues you were experiencing. Please reopen if not. |
I'm still seeing version 17.352738.0, I assume it will take a while for the fix to make it to 16.09. |
Fixes NixOS#22365. (cherry picked from commit c3c6953)
(cherry picked from commit 01cf43a) cc NixOS#22365
Fixes NixOS#22365. (cherry picked from commit c3c6953)
Issue description
Wifi with a recent update on
release-16.09
has unstable wifi. Internal wifi module starts breaking off connectivity after a while. I've not yet determined which exact update is the cause. Going back a few generations of NixOS fixes the issue. The issues happens with linux 4.4.45 and not with 4.4.39.Steps to reproduce
Intel Corporation Wireless 7260
Technical details
16.09.1421.cdfd269 (Flounder) (but this is on the working generation from 2017-01-02)
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