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Message-ID: <CA+ASDXMbNvbBdsC11dzUPX7RkMFYhJev2npPsRD_SnGQB+1hag@mail.gmail.com>
Date:   Tue, 2 Jun 2020 12:16:09 -0700
From:   Brian Norris <briannorris@...omium.org>
To:     John Stultz <john.stultz@...aro.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Rakesh Pillai <pillair@....qualcomm.com>,
        Govind Singh <govinds@...eaurora.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Niklas Cassel <niklas.cassel@...aro.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Amit Pundir <amit.pundir@...aro.org>,
        Kalle Valo <kvalo@...eaurora.org>,
        ath10k <ath10k@...ts.infradead.org>,
        Sibi Sankar <sibis@...eaurora.org>
Subject: Re: [PATCH] wireless: ath10k: Return early in ath10k_qmi_event_server_exit()
 to avoid hard crash on reboot

+ Sibi

On Mon, Jun 1, 2020 at 10:25 PM John Stultz <john.stultz@...aro.org> 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

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