From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from wp530.webpack.hosteurope.de (wp530.webpack.hosteurope.de [80.237.130.52]) (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 821992F29 for ; Sun, 27 Feb 2022 08:37:18 +0000 (UTC) Received: from ip4d144895.dynamic.kabel-deutschland.de ([77.20.72.149] helo=[192.168.66.200]); authenticated by wp530.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) id 1nOF3M-0004DT-C7; Sun, 27 Feb 2022 09:37:16 +0100 Message-ID: Date: Sun, 27 Feb 2022 09:37:15 +0100 Precedence: bulk X-Mailing-List: regressions@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: Failure to access cifs mount of samba share after resume from sleep with 5.17-rc5 Content-Language: en-BS To: Satadru Pramanik , linux-cifs@vger.kernel.org References: From: Thorsten Leemhuis Cc: "regressions@lists.linux.dev" In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-bounce-key: webpack.hosteurope.de;regressions@leemhuis.info;1645951038;d7b24e9e; X-HE-SMSGID: 1nOF3M-0004DT-C7 [TLDR: I'm adding the regression report below to regzbot, the Linux kernel regression tracking bot; all text you find below is compiled from a few templates paragraphs you might have encountered already already from similar mails.] Hi, this is your Linux kernel regression tracker. Top-posting for once, to make this easily accessible to everyone. CCing the regression mailing list, as it should be in the loop for all regressions, as explained here: https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html To be sure below issue doesn't fall through the cracks unnoticed, I'm adding it to regzbot, my Linux kernel regression tracking bot: #regzbot ^introduced v5.16.11..v5.17-rc5 #regzbot title cifs: Failure to access cifs mount of samba share after resume from sleep #regzbot ignore-activity Reminder for developers: when fixing the issue, please add a 'Link:' tags pointing to the report (the mail quoted above) using lore.kernel.org/r/, as explained in 'Documentation/process/submitting-patches.rst' and 'Documentation/process/5.Posting.rst'. This allows the bot to connect the report with any patches posted or committed to fix the issue; this again allows the bot to show the current status of regressions and automatically resolve the issue when the fix hits the right tree. I'm sending this to everyone that got the initial report, to make them aware of the tracking. I also hope that messages like this motivate people to directly get at least the regression mailing list and ideally even regzbot involved when dealing with regressions, as messages like this wouldn't be needed then. And don't worry, if I need to send other mails regarding this regression only relevant for regzbot I'll send them to the regressions lists only (with a tag in the subject so people can filter them away). With a bit of luck no such messages will be needed anyway. Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat) P.S.: As the Linux kernel's regression tracker I'm getting a lot of reports on my table. I can only look briefly into most of them and lack knowledge about most of the areas they concern. I thus unfortunately will sometimes get things wrong or miss something important. I hope that's not the case here; if you think it is, don't hesitate to tell me in a public reply, it's in everyone's interest to set the public record straight. On 27.02.22 03:36, Satadru Pramanik wrote: > I'm on a x86_64 ubuntu 22.04 system accessing a similar system running > samba Version 4.13.14-Ubuntu. Both systems are on ubuntu mainline > kernel 5.17-rc5. > > I have a samba share mounted from my fstab, and file access works fine. > Upon suspending my system and resuming though, the mounted samba share > is inaccessible, and my dmesg has many "CIFS: VFS: cifs_tree_connect: > could not find superblock: -22" messages. > > Unmounting and remounting the share restores access. > > When I boot into kernel 5.16.11, I do not have this issue. The cifs > share is accessible just fine after a suspend/resume cycle. > > I assume this is a regression with 5.17? Is there any information > worth providing which might help debug and fix this issue? > > Regards, > > Satadru Pramanik -- Additional information about regzbot: If you want to know more about regzbot, check out its web-interface, the getting start guide, and the references documentation: https://linux-regtracking.leemhuis.info/regzbot/ https://gitlab.com/knurd42/regzbot/-/blob/main/docs/getting_started.md https://gitlab.com/knurd42/regzbot/-/blob/main/docs/reference.md The last two documents will explain how you can interact with regzbot yourself if your want to. Hint for reporters: when reporting a regression it's in your interest to CC the regression list and tell regzbot about the issue, as that ensures the regression makes it onto the radar of the Linux kernel's regression tracker -- that's in your interest, as it ensures your report won't fall through the cracks unnoticed. Hint for developers: you normally don't need to care about regzbot once it's involved. Fix the issue as you normally would, just remember to include 'Link:' tag in the patch descriptions pointing to all reports about the issue. This has been expected from developers even before regzbot showed up for reasons explained in 'Documentation/process/submitting-patches.rst' and 'Documentation/process/5.Posting.rst'.