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From: Kalle Valo <kvalo@codeaurora.org>
To: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Hemant Kumar <hemantk@codeaurora.org>,
	Bhaumik Bhatt <bbhatt@codeaurora.org>,
	linux-arm-msm@vger.kernel.org, ath11k@lists.infradead.org
Subject: Re: [regression] mhi: mhi_pm_st_worker blocked for more than 61 seconds.
Date: Thu, 04 Mar 2021 19:21:16 +0200	[thread overview]
Message-ID: <87blby6dir.fsf@codeaurora.org> (raw)
In-Reply-To: <20210304151004.GA29563@work> (Manivannan Sadhasivam's message of "Thu, 4 Mar 2021 20:40:04 +0530")

Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> writes:

> Hi Kalle,
>
> On Thu, Mar 04, 2021 at 04:59:33PM +0200, Kalle Valo wrote:
>> Hi MHI folks,
>> 
>> I upgraded my QCA6390 x86 test box to v5.12-rc1 and started seeing
>> kernel crashes when testing ath11k. I don't recall seeing this on v5.11
>> so it looks like a new problem, but I cannot be 100% sure. Netconsole
>> output is below. I have most of the kernel debug functionality enabled
>> (KASAN etc).
>> 
>> I can fairly easy reproduce this by looping insmod and rmmod of mhi,
>> wireless and ath11k modules. It does not happen every time, but I would
>> say I can reproduce the problem within 10 test loops or so.
>> 
>> Any ideas what could cause this? I have not bisected this due to lack of
>> time, but I can test patches etc.
>> 
>
> Not sure if this is related, Loic sent a patch which fixes an issue with
> "mhi_pm_state_worker":
>
> https://patchwork.kernel.org/project/linux-arm-msm/patch/1614161930-8513-1-git-send-email-loic.poulain@linaro.org/
>
> Can you please test see if it fixes your issue also?

Thanks for the link, but unfortunately not :( I was able to reproduce
the issue just after 3 insmod/rmmod loops.

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

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

WARNING: multiple messages have this Message-ID (diff)
From: Kalle Valo <kvalo@codeaurora.org>
To: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Hemant Kumar <hemantk@codeaurora.org>,
	Bhaumik Bhatt <bbhatt@codeaurora.org>,
	linux-arm-msm@vger.kernel.org, ath11k@lists.infradead.org
Subject: Re: [regression] mhi: mhi_pm_st_worker blocked for more than 61 seconds.
Date: Thu, 04 Mar 2021 19:21:16 +0200	[thread overview]
Message-ID: <87blby6dir.fsf@codeaurora.org> (raw)
In-Reply-To: <20210304151004.GA29563@work> (Manivannan Sadhasivam's message of "Thu, 4 Mar 2021 20:40:04 +0530")

Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> writes:

> Hi Kalle,
>
> On Thu, Mar 04, 2021 at 04:59:33PM +0200, Kalle Valo wrote:
>> Hi MHI folks,
>> 
>> I upgraded my QCA6390 x86 test box to v5.12-rc1 and started seeing
>> kernel crashes when testing ath11k. I don't recall seeing this on v5.11
>> so it looks like a new problem, but I cannot be 100% sure. Netconsole
>> output is below. I have most of the kernel debug functionality enabled
>> (KASAN etc).
>> 
>> I can fairly easy reproduce this by looping insmod and rmmod of mhi,
>> wireless and ath11k modules. It does not happen every time, but I would
>> say I can reproduce the problem within 10 test loops or so.
>> 
>> Any ideas what could cause this? I have not bisected this due to lack of
>> time, but I can test patches etc.
>> 
>
> Not sure if this is related, Loic sent a patch which fixes an issue with
> "mhi_pm_state_worker":
>
> https://patchwork.kernel.org/project/linux-arm-msm/patch/1614161930-8513-1-git-send-email-loic.poulain@linaro.org/
>
> Can you please test see if it fixes your issue also?

Thanks for the link, but unfortunately not :( I was able to reproduce
the issue just after 3 insmod/rmmod loops.

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

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

-- 
ath11k mailing list
ath11k@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/ath11k

  reply	other threads:[~2021-03-04 17:23 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-04 14:59 [regression] mhi: mhi_pm_st_worker blocked for more than 61 seconds Kalle Valo
2021-03-04 14:59 ` Kalle Valo
2021-03-04 15:10 ` Manivannan Sadhasivam
2021-03-04 15:10   ` Manivannan Sadhasivam
2021-03-04 17:21   ` Kalle Valo [this message]
2021-03-04 17:21     ` Kalle Valo
2021-03-09 16:44     ` Kalle Valo
2021-03-09 16:44       ` Kalle Valo
2021-03-09 18:07       ` Bhaumik Bhatt
2021-03-09 18:07         ` Bhaumik Bhatt

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