Re: [PATCH] wireless: ath10k: Return early in ath10k_qmi_event_server_exit() to avoid hard crash on reboot

From: Brian Norris
Date: Tue Jun 02 2020 - 15:16:27 EST


+ Sibi

On Mon, Jun 1, 2020 at 10:25 PM John Stultz <john.stultz@xxxxxxxxxx> wrote:
>
> Ever since 5.7-rc1, if we call
> ath10k_qmi_remove_msa_permission(), the db845c hard crashes on
> reboot, resulting in the device getting stuck in the usb crash
> debug mode and not coming back up wihthout a hard power off.
>
> This hack avoids the issue by returning early in
> ath10k_qmi_event_server_exit().
>
> A better solution is very much desired!

Any chance you can bisect what caused this? There are a lot of
non-ath10k pieces involved in this stuff.

Brian