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Thu, 20 May 2021 17:58:56 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2DCA960C3F; Thu, 20 May 2021 17:58:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1621533533; bh=XsfOuPt63fmIg+N8ZtNu+v8I5jpBSf8W7VEdPtvFqFw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=x27KGaKhlad12cvdKHDnCjcU7PggBmhEQcYxItnrX3bW4uefszeNP7+h6RR60dkOI 5jWpX7ygXj1290jeaI8atjJm1/EP4pNzv2usjM6ZTAAux2GznbQipwgarKAI+5Ngel YGtJI8rLxKYVVLC4+aws4LuPzaZvvH1lNNGZ59Zo= Date: Thu, 20 May 2021 19:58:49 +0200 From: Greg KH To: Bhaumik Bhatt Cc: Kalle Valo , Manivannan Sadhasivam , 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 Message-ID: References: <87v97dhh2u.fsf@codeaurora.org> <20210520104313.GA128703@thinkpad> <87r1i1h9an.fsf@codeaurora.org> <3e8bac3b02e3549a55b7c9b78b699965@codeaurora.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <3e8bac3b02e3549a55b7c9b78b699965@codeaurora.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210520_105854_786511_84D274D7 X-CRM114-Status: GOOD ( 22.95 ) 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 On Thu, May 20, 2021 at 10:38:12AM -0700, Bhaumik Bhatt wrote: > On 2021-05-20 05:36 AM, Kalle Valo wrote: > > 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 > > Please pick [1] as the dependency to [ Upstream commit > ef2126c4e2ea2b92f543fae00a2a0332e4573c48 ]. what is [1]??? What commit do I need to backport, a commit id would be nice... thanks, greg k-h -- ath11k mailing list ath11k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath11k