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 ACEB62F26 for ; Sun, 5 Mar 2023 17:26:02 +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 1pYs7S-0001Uk-Mt; Sun, 05 Mar 2023 18:25:58 +0100 Message-ID: <5a7cd098-1d83-6297-e802-ce998c8ec116@leemhuis.info> Date: Sun, 5 Mar 2023 18:25:58 +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:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [Regression] rt2800usb - Wifi performance issues and connection drops Content-Language: en-US, de-DE From: Thorsten Leemhuis Cc: "linux-wireless@vger.kernel.org" , LKML , Linux kernel regressions list , Thomas Mann , Stanislaw Gruszka , Helmut Schaa , Johannes Berg Reply-To: Linux regressions mailing list References: To: Alexander Wetzel In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-bounce-key: webpack.hosteurope.de;regressions@leemhuis.info;1678037162;dfdfbc9f; X-HE-SMSGID: 1pYs7S-0001Uk-Mt On 04.03.23 17:24, Linux regression tracking (Thorsten Leemhuis) wrote: > Hi, this is your Linux kernel regression tracker. > > I noticed a regression report in bugzilla.kernel.org. As many (most?) > kernel developer don't keep an eye on it, I decided to forward it by > mail. Quoting from https://bugzilla.kernel.org/show_bug.cgi?id=217119 : > >> Thomas Mann 2023-03-03 15:12:03 UTC >> >> After the update of linux to 6.2.x, i get connection drops and bandwidth problems. >> >> 6.2.1 was completely unusable and 6.2.2 still has bandwidth problems but works a bit better >> >> The device in use is: >> >> 13d3:3273 IMC Networks 802.11 n/g/b Wireless LAN USB Mini-Card >> >> Downgrading the kernel to 6.1.[14,15] fixes the problem and the wifi gets stable again and the available bandwidth increases. Quick update from bugzilla: ``` --- Comment #4 from Thomas Mann (rauchwolke@gmx.net) --- i bisected and found the commit that introduced the regression: # first bad commit: [4444bc2116aecdcde87dce80373540adc8bd478b] wifi: mac80211: Proper mark iTXQs for resumption ``` That's a commit from Alexander, applied by Johannes. 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 If I did something stupid, please tell me, as explained on that page. >> demsg shows no errors >> >> [tag] [reply] [−] >> Private >> Comment 1 The Linux kernel's regression tracker (Thorsten Leemhuis) 2023-03-04 05:45:33 UTC >> >> Please attach dmesg [without it most people won't even know which driver is in use for your card] >> >> [tag] [reply] [−] >> Private >> Comment 2 Thomas Mann 2023-03-04 12:36:45 UTC >> >> drive in use is rt2800usb >> >> [tag] [reply] [−] >> Private >> Comment 3 Thomas Mann 2023-03-04 12:38:01 UTC >> >> Created attachment 303840 [details] >> dmesg output >> > > > See the ticket for more details. > > > [TLDR for the rest of this mail: I'm adding this report to the list of > tracked Linux kernel regressions; the text you find below is based on a > few templates paragraphs you might have encountered already in similar > form.] > > BTW, let me use this mail to also add the report to the list of tracked > regressions to ensure it's doesn't fall through the cracks: > > #regzbot introduced: v6.1..v6.2 > https://bugzilla.kernel.org/show_bug.cgi?id=217119 P.S.: #regzbot introduced: 4444bc2116aecdcde8 #regzbot ignore-activity > #regzbot title: net: wireless: rt2800usb: wifi performance issues and > connection drops > #regzbot ignore-activity > > This isn't a regression? This issue or a fix for it are already > discussed somewhere else? It was fixed already? You want to clarify when > the regression started to happen? Or point out I got the title or > something else totally wrong? Then just reply and tell me -- ideally > while also telling regzbot about it, as explained by the page listed in > the footer of this mail. > > Developers: When fixing the issue, remember to add 'Link:' tags pointing > to the report (e.g. the buzgzilla ticket and maybe this mail as well, if > this thread sees some discussion). See page linked in footer for details. > > 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 > If I did something stupid, please tell me, as explained on that page.