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

Kalle Valo
2020-08-28T12:53:49Z

Amit Pundir <amit.pundir@linaro.org> writes:

> On Mon, 8 Jun 2020 at 17:07, Kalle Valo <kvalo@codeaurora.org> wrote:
>> > I don't agree with this. If you read through the replies to the bug report,
>> > it is clear that NS migration uncovered a corner case or even a bug. So we
>> > should try to fix that indeed.
>>
>> I'm with Mani, we should try to fix ath10k instead. Hopefully we can
>> find a fix soon.
>
> Hi Team,
>
> Any updates on this? I can reproduce this hard crash on v5.9-rc1 as well.
>
> It is not a blocker for us because we switched to a userspace
> workaround, where we do not wait for modem to shutdown gracefully and
> SIGKILL it instead, during the shutdown/reboot process. But I'm happy
> to take a swing at any intermediate/in-progress solution available.

Govind submitted this patch and later he asked to drop it, but I think
it would be a good idea to test it anyway:

ath10k: Move msa region map/unmap to init/deinit path

https://lkml.kernel.org/r/1591191231-31917-1-git-send-email-govinds@codeaurora.org

(patchwork is down so I cannot give a patchwork link)

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