From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-fw-80009.amazon.com (smtp-fw-80009.amazon.com [99.78.197.220]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4E0EC77111; Sun, 10 Nov 2024 17:59:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=99.78.197.220 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731261567; cv=none; b=VlGPZCpyQhoAdtjf712thr0Q+gdGOhUp4kmbJHkhQyTBorodC41WWhQ3OJ8QjnFAGBKc8EIZeQ3ohZhO+IB0yUg6G8Erv6ALP3q/3O5DcqOGIRa4anB89NONeq0X2VhxKkSUi4B98JbAWe0NSuPNk790urBUIbfTAJOJyWvTWQg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731261567; c=relaxed/simple; bh=gP0LyPTk1K9ldk25ShgNbUfkLy4CMQwovmYapa/+6nw=; h=Date:From:To:CC:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=oWtZxw5yYzpPOXl9fi3xARNpLnFWbCExqQTy39bLR5bcn+7c1KNQPz+KRowRSaqpghKo3htHwN09XpEhZk/NcFu+qZe+1Oj/F2SxKEooGJqlHkQaKBROI0Fa59HwVNGaUMi4EzfbriMZkTwKzpNCTOyRdAbqwDLjUMmr+nsl7+c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com; spf=pass smtp.mailfrom=amazon.com; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b=mMWLfBKj; arc=none smtp.client-ip=99.78.197.220 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amazon.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="mMWLfBKj" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1731261565; x=1762797565; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=qriQr7A7vdEU9JH1OJ7IVxAGZbKMJJpRoQgwNdcsaRQ=; b=mMWLfBKj0ZAuehlf0t52oCK/8qb7gVABtBcVtl66w4nBA9VCO3caQk0s n8OPsJl3jua2WUZ1bWBuu4ndthB1lmqFvfyV1XRGMSTZ0CLVWV4/zn6E9 UHyCzc9Qh35FS1jflCK8Y+F5AHDs5JZNW7231HapuWkcF8DidcnrhhTvv k=; X-IronPort-AV: E=Sophos;i="6.12,143,1728950400"; d="scan'208";a="146039670" Received: from pdx4-co-svc-p1-lb2-vlan2.amazon.com (HELO smtpout.prod.us-east-1.prod.farcaster.email.amazon.dev) ([10.25.36.210]) by smtp-border-fw-80009.pdx80.corp.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2024 17:59:23 +0000 Received: from EX19MTAEUC001.ant.amazon.com [10.0.10.100:50883] by smtpin.naws.eu-west-1.prod.farcaster.email.amazon.dev [10.0.22.102:2525] with esmtp (Farcaster) id c392b481-9aba-45bc-b262-f61f404f42f0; Sun, 10 Nov 2024 17:59:21 +0000 (UTC) X-Farcaster-Flow-ID: c392b481-9aba-45bc-b262-f61f404f42f0 Received: from EX19D026EUB004.ant.amazon.com (10.252.61.64) by EX19MTAEUC001.ant.amazon.com (10.252.51.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1258.34; Sun, 10 Nov 2024 17:59:21 +0000 Received: from 3c06303d853a (10.187.171.33) by EX19D026EUB004.ant.amazon.com (10.252.61.64) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1258.34; Sun, 10 Nov 2024 17:59:18 +0000 Date: Sun, 10 Nov 2024 09:59:13 -0800 From: Andrew Paniakin To: Linux regressions mailing list CC: Christian Heusel , , , , , , , , , , Subject: Re: [REGRESSION][BISECTED][STABLE] Commit 60e3318e3e900 in stable/linux-6.1.y breaks cifs client failover to another server in DFS namespace Message-ID: References: <210b1da5-6b22-4dd9-a25f-8b24ba4723d4@heusel.eu> <7c8d1ec1-7913-45ff-b7e2-ea58d2f04857@leemhuis.info> Precedence: bulk X-Mailing-List: linux-cifs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: EX19D042UWA002.ant.amazon.com (10.13.139.17) To EX19D026EUB004.ant.amazon.com (10.252.61.64) On 16/10/2024, Andrew Paniakin wrote: > On 27/09/2024, Linux regression tracking (Thorsten Leemhuis) wrote: > > On 23.07.24 02:51, Andrew Paniakin wrote: > > > On 12/07/2024, Andrew Paniakin wrote: > > >> On 11/07/2024, Linux regression tracking (Thorsten Leemhuis) wrote: > > >>> On 27.06.24 22:16, Christian Heusel wrote: > > >>>> On 24/06/26 03:09PM, Andrew Paniakin wrote: > > >>>>> On 25/06/2024, Christian Heusel wrote: > > >>>>>> On 24/06/24 10:59AM, Andrew Paniakin wrote: > > >>>>>>> On 19/06/2024, Andrew Paniakin wrote: > > >>>>>>>> Commit 60e3318e3e900 ("cifs: use fs_context for automounts") was > > >> > > >>> Hmmm, unless I'm missing something it seems nobody did so. Andrew, could > > >>> you take care of that to get this properly fixed to prevent others from > > >>> running into the same problem? > > >> > > >> We got the confirmation from requesters that the kernel with this patch > > >> works properly, our regression tests also passed, so I submitted > > >> backport request: > > >> https://lore.kernel.org/stable/20240713031147.20332-1-apanyaki@amazon.com/ > > > > > > There was an issue with backporting the follow-up fix for this patch: > > > https://lore.kernel.org/all/20240716152749.667492414@linuxfoundation.org/ > > > I'll work on fixing this issue and send new patches again for the next cycle. > > > > Andrew, was there any progress? From here it looks like this fell > > through the cracks, but I might be missing something. > > > > Ciao, Thorsten > > Hi Thorsten, sorry for delay in reply. > I had to do one step back and update my development setup, in order to > prevent rebase process breaking: created script to use crosstool [1] to > test my future backports on all platforms and make sure to search > follow-up fixes for the patch I'm porting, found kernel.dance [2] for > it. Now I'm trying to reproduce issue mentioned in follow-up fix [3] to > have clear red/green test results. I think I should be able to send > tested fixes in next 2 weeks. > > [1] https://cdn.kernel.org/pub/tools/crosstool/ > [2] https://kernel.dance/ > [3] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d5a863a153e90996ab2aef6b9e08d509f4d5662b Hi Thorsten, Last weeks I had to work on few urgent internal issues, so this work got delayed. I got confirmation from the manager to make this task my priority until it's done. To progress faster I setup systemtap and was able find the reason why my reproducer didn't work.