From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m43-7.mailgun.net (m43-7.mailgun.net [69.72.43.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C1D8970 for ; Thu, 20 May 2021 18:04:20 +0000 (UTC) DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1621533864; h=Message-ID: References: In-Reply-To: Reply-To: Subject: Cc: To: From: Date: Content-Transfer-Encoding: Content-Type: MIME-Version: Sender; bh=AFeMf3IUMl/U4pe6K8pI5cxfDW/3X5GMZL/kEyjcntY=; b=TIMyVPB0byW2XhZoE1amDu9nC9Dy69yJct3GTFC/l8F5zeBKnfFxJGrH4bABC1qtEDuycoi8 8cDq7zB/mVg7B6p39QGy3FwuR/blME9HI3x0sZrcwmaJqwIFNQVbdJfO+BB9l1fETo43dtfV AJ5tlK7Let79m5NJVfdv1Un6cOk= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI0YzJmNCIsICJyZWdyZXNzaW9uc0BsaXN0cy5saW51eC5kZXYiLCAiYmU5ZTRhIl0= Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n03.prod.us-east-1.postgun.com with SMTP id 60a6a497d1aee7698d618889 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 20 May 2021 18:04:07 GMT Sender: bbhatt=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 90819C43460; Thu, 20 May 2021 18:04:06 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=ALL_TRUSTED,BAYES_00 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: bbhatt) by smtp.codeaurora.org (Postfix) with ESMTPSA id 8BCFFC4338A; Thu, 20 May 2021 18:04:05 +0000 (UTC) X-Mailing-List: regressions@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Thu, 20 May 2021 11:04:05 -0700 From: Bhaumik Bhatt To: Greg KH 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 Organization: Qualcomm Innovation Center, Inc. Reply-To: bbhatt@codeaurora.org Mail-Reply-To: bbhatt@codeaurora.org In-Reply-To: References: <87v97dhh2u.fsf@codeaurora.org> <20210520104313.GA128703@thinkpad> <87r1i1h9an.fsf@codeaurora.org> <3e8bac3b02e3549a55b7c9b78b699965@codeaurora.org> Message-ID: <608474b9b9feae5bd0616ad16d6d6bbd@codeaurora.org> X-Sender: bbhatt@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 On 2021-05-20 10:58 AM, Greg KH wrote: > 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 Sure Greg. Commit id is: 4884362f6977fc05cbec736625665241c0e0732f Title of patch: bus: mhi: core: Download AMSS image from appropriate function It was supposed to be a link but not sure why it's not seen. Thanks, Bhaumik --- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project