[Bug 194759] iwlwifi: 8260: Microsoft Surface Ergonomic Keyboard crashes bluetooth when WiFi is used - WIFILNX-693

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https://bugzilla.kernel.org/show_bug.cgi?id=194759

--- Comment #8 from Emmanuel Grumbach (emmanuel.grumbach@xxxxxxxxx) ---
(In reply to Gurenko Alex from comment #7)
> Created attachment 255695 [details]
> dmesgs
> 
> (In reply to Emmanuel Grumbach from comment #6)
> > Backport is unrelated to debug probes. You can use backport with the
> > firmware attached.
> 
> Hm, I've installed it the same way I did last time, now upon pairing it
> worked as it used to: once I've stopped typing it died, but no log creation
> were triggered, nor I saw anything in dmesg.

you need to create the dump manually with the:
echo 1 > /sys/kernel/debug/iwlwifi/0000\:0X\:00.0/iwlmvm/fw_dbg_collect
debugfs hook. Remember to replace X by the right number on your system.

> 
>  I've plugged batteries from the keyboard and cycled BT and now it works...
>  
>  Did a few reboots and also had an idea that previously I didn't have tlp
> installed and now I do have it, so I've removed it and rebooted again, same
> results, it works... Anything I can grab to help you figure it out?
> 
> [agurenko@Wasp-T460p ~]$ ethtool -i wlp3s0 | grep firmware
> firmware-version: 27.455470.0

This is the firmware included in linux-firmware.git, not the one I attached to
this bug. Are you saying that 455470 works, but not 469073 ?

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