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Thu, 20 May 2021 12:36:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org D7A4AC433F1 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=kvalo@codeaurora.org From: Kalle Valo To: Manivannan Sadhasivam Cc: Greg KH , Bhaumik Bhatt , Loic Poulain , ath11k@lists.infradead.org, linux-wireless@vger.kernel.org, regressions@lists.linux.dev, stable@vger.kernel.org Subject: Re: [regressions] ath11k: v5.12.3 mhi regression References: <87v97dhh2u.fsf@codeaurora.org> <20210520104313.GA128703@thinkpad> Date: Thu, 20 May 2021 15:36:00 +0300 In-Reply-To: <20210520104313.GA128703@thinkpad> (Manivannan Sadhasivam's message of "Thu, 20 May 2021 16:13:13 +0530") Message-ID: <87r1i1h9an.fsf@codeaurora.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210520_053610_242263_EFC4BC91 X-CRM114-Status: GOOD ( 20.48 ) X-BeenThere: ath11k@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "ath11k" Errors-To: ath11k-bounces+ath11k=archiver.kernel.org@lists.infradead.org Manivannan Sadhasivam writes: > On Thu, May 20, 2021 at 12:02:40PM +0200, Greg KH wrote: >> On Thu, May 20, 2021 at 12:47:53PM +0300, Kalle Valo wrote: >> > Hi, >> > >> > I got several reports that this mhi commit broke ath11k in v5.12.3: >> > >> > commit 29b9829718c5e9bd68fc1c652f5e0ba9b9a64fed >> > Author: Bhaumik Bhatt >> > Date: Wed Feb 24 15:23:04 2021 -0800 >> > >> > bus: mhi: core: Process execution environment changes serially >> > >> > [ Upstream commit ef2126c4e2ea2b92f543fae00a2a0332e4573c48 ] >> > >> > Here are the reports: >> > >> > https://bugzilla.kernel.org/show_bug.cgi?id=213055 >> > >> > https://bugzilla.kernel.org/show_bug.cgi?id=212187 >> > >> > https://bugs.archlinux.org/task/70849?project=1&string=linux >> > >> > Interestingly v5.13-rc1 seems to work fine, at least for me, though I >> > have not tested v5.12.3 myself. Can someone revert this commit in the >> > stable release so that people get their wifi working again, please? >> >> How does the mhi bus code relate to a ath11k driver? What bus is that >> on? >> > > MHI is the transport used by the ath11k driver to work with the WLAN devices > over PCIe. > > Regarding the bug, I'd suggest to wait for Bhaumik (the author of 29b9829718c5) > to comment on the possible commit which needs backporting from mainline. Ok, but if a quick fix is not available I think we should just revert this in the stable releases. I also got a report that v5.11.21 is broken: https://bugzilla.kernel.org/show_bug.cgi?id=213055#c11 -- 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