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From: Kalle Valo <kvalo@codeaurora.org>
To: John Stultz <john.stultz@linaro.org>
Cc: Amit Pundir <amit.pundir@linaro.org>,
	Govind Singh <govinds@codeaurora.org>,
	Rakesh Pillai <pillair@qti.qualcomm.com>,
	Brian Norris <briannorris@chromium.org>,
	lkml <linux-kernel@vger.kernel.org>,
	ath10k@lists.infradead.org,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
	Niklas Cassel <niklas.cassel@linaro.org>
Subject: Re: [PATCH] wireless: ath10k: Return early in ath10k_qmi_event_server_exit() to avoid hard crash on reboot
Date: Mon, 08 Jun 2020 14:17:31 +0300	[thread overview]
Message-ID: <877dwhkdro.fsf@codeaurora.org> (raw)
In-Reply-To: <20200602052533.15048-1-john.stultz@linaro.org> (John Stultz's message of "Tue, 2 Jun 2020 05:25:33 +0000")

John Stultz <john.stultz@linaro.org> writes:

> 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!
>
> Feedback and suggestions welcome!
>
> Cc: Rakesh Pillai <pillair@qti.qualcomm.com>
> Cc: Govind Singh <govinds@codeaurora.org>
> Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
> Cc: Niklas Cassel <niklas.cassel@linaro.org>
> Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> Cc: Amit Pundir <amit.pundir@linaro.org>
> Cc: Brian Norris <briannorris@chromium.org>
> Cc: Kalle Valo <kvalo@codeaurora.org>
> Cc: ath10k@lists.infradead.org
> Reported-by: Amit Pundir <amit.pundir@linaro.org>
> Signed-off-by: John Stultz <john.stultz@linaro.org>

Just so you know: as you didn't CC linux-wireless it's not on patchwork
and hence not on my radar. But hopefully we find a better solution to
fix this.

-- 
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

_______________________________________________
ath10k mailing list
ath10k@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/ath10k

WARNING: multiple messages have this Message-ID (diff)
From: Kalle Valo <kvalo@codeaurora.org>
To: John Stultz <john.stultz@linaro.org>
Cc: lkml <linux-kernel@vger.kernel.org>,
	Amit Pundir <amit.pundir@linaro.org>,
	Govind Singh <govinds@codeaurora.org>,
	Rakesh Pillai <pillair@qti.qualcomm.com>,
	Brian Norris <briannorris@chromium.org>,
	ath10k@lists.infradead.org,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
	Niklas Cassel <niklas.cassel@linaro.org>
Subject: Re: [PATCH] wireless: ath10k: Return early in ath10k_qmi_event_server_exit() to avoid hard crash on reboot
Date: Mon, 08 Jun 2020 14:17:31 +0300	[thread overview]
Message-ID: <877dwhkdro.fsf@codeaurora.org> (raw)
In-Reply-To: <20200602052533.15048-1-john.stultz@linaro.org> (John Stultz's message of "Tue, 2 Jun 2020 05:25:33 +0000")

John Stultz <john.stultz@linaro.org> writes:

> 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!
>
> Feedback and suggestions welcome!
>
> Cc: Rakesh Pillai <pillair@qti.qualcomm.com>
> Cc: Govind Singh <govinds@codeaurora.org>
> Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
> Cc: Niklas Cassel <niklas.cassel@linaro.org>
> Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> Cc: Amit Pundir <amit.pundir@linaro.org>
> Cc: Brian Norris <briannorris@chromium.org>
> Cc: Kalle Valo <kvalo@codeaurora.org>
> Cc: ath10k@lists.infradead.org
> Reported-by: Amit Pundir <amit.pundir@linaro.org>
> Signed-off-by: John Stultz <john.stultz@linaro.org>

Just so you know: as you didn't CC linux-wireless it's not on patchwork
and hence not on my radar. But hopefully we find a better solution to
fix this.

-- 
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

  parent reply	other threads:[~2020-06-08 11:17 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-02  5:25 [PATCH] wireless: ath10k: Return early in ath10k_qmi_event_server_exit() to avoid hard crash on reboot John Stultz
2020-06-02  5:25 ` John Stultz
2020-06-02 19:16 ` Brian Norris
2020-06-02 19:16   ` Brian Norris
2020-06-02 19:40   ` John Stultz
2020-06-02 19:40     ` John Stultz
2020-06-02 20:04     ` Brian Norris
2020-06-02 20:04       ` Brian Norris
2020-06-03  0:27       ` Manivannan Sadhasivam
2020-06-03  0:27         ` Manivannan Sadhasivam
2020-06-03 10:07         ` govinds
2020-06-03 10:07           ` govinds
2020-06-04 18:17           ` Sibi Sankar
2020-06-04 18:17             ` Sibi Sankar
2020-06-08 11:37         ` Kalle Valo
2020-06-08 11:37           ` Kalle Valo
2020-08-17  9:06           ` Amit Pundir
2020-08-17  9:06             ` Amit Pundir
2020-08-28 12:52             ` Kalle Valo
2020-08-28 12:52               ` Kalle Valo
2020-08-28 13:07               ` Govind Singh
2020-08-28 13:07                 ` Govind Singh
2020-09-07 16:12                 ` Kalle Valo
2020-09-07 16:12                 ` Kalle Valo
2020-06-08 11:17 ` Kalle Valo [this message]
2020-06-08 11:17   ` Kalle Valo

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