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 D0B7F3C05 for ; Fri, 21 Apr 2023 13:56:10 +0000 (UTC) Received: from [2a02:8108:8980:2478:8cde:aa2c:f324:937e]; authenticated by wp530.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) id 1pprF5-0005TD-AU; Fri, 21 Apr 2023 15:56:03 +0200 Message-ID: <6c9da229-7040-cc2b-a3c3-f650ab3e1d6b@leemhuis.info> Date: Fri, 21 Apr 2023 15:56:02 +0200 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:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [6.2 regression][bisected]discard storm on idle since v6.1-rc8-59-g63a7cb130718 discard=async Content-Language: en-US, de-DE From: "Linux regression tracking #update (Thorsten Leemhuis)" To: linux-btrfs@vger.kernel.org Cc: Linux kernel regressions list Reply-To: Linux regressions mailing list , Linux regressions mailing list References: In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-bounce-key: webpack.hosteurope.de;regressions@leemhuis.info;1682085370;5de1d78a; X-HE-SMSGID: 1pprF5-0005TD-AU [TLDR: This mail in primarily relevant for Linux kernel regression tracking. See link in footer if these mails annoy you.] On 02.03.23 09:04, Linux regression tracking #adding (Thorsten Leemhuis) wrote: > On 01.03.23 20:30, Sergei Trofimovich wrote: >> >> Tl;DR: >> >> After 63a7cb13071842 "btrfs: auto enable discard=async when possible" I >> see constant DISCARD storm towards my NVME device be it idle or not. >> >> No storm: v6.1 and older >> Has storm: v6.2 and newer > > Thanks for the report. To be sure the issue doesn't fall through the > cracks unnoticed, I'm adding it to regzbot, the Linux kernel regression > tracking bot: > > #regzbot ^introduced 63a7cb13071842 > #regzbot title btrfs: DISCARD storm towards NVME device be it idle or not > #regzbot ignore-activity FWIW, the fix is in next now, regzbot just missed it due to a url encoding bug: #regzbot monitor: https://lore.kernel.org/linux-btrfs/cover.1680723651.git.boris@bur.io/T/#m21c1856ccc8fd24ccb6fbad7d9b54f0bae115d25 #regzbot fix: 2e55571fddf #regzbot ignore-activity Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat) -- Everything you wanna know about Linux kernel regression tracking: https://linux-regtracking.leemhuis.info/about/#tldr That page also explains what to do if mails like this annoy you.