From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 5438913C8FE; Tue, 7 May 2024 08:23:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715070200; cv=none; b=DMgm0krMtD93CDCJpghr/i/gVDDBzgRlLmDNn6G6KtMY05jpHyBLg6BY4pCm79dotdhf3Dn0PS/qqu5cvkf7n/hrPElea6YLEEIJUMBPQeV/4vkzrgP3XMWaR0Xq/vtox50d7kKyGEgh7FruT6kopQj469X6yCUcdsnHQYvLUpM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715070200; c=relaxed/simple; bh=QxX4b7q5XOeUTB4IiEc4dG0x64/1OCYe/75fyaZndHU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hXcXsrZmWYgrLRTJE8ftImt9Tbc76/qHlcKrYv3lCxzFX+tey6RfHmDn0B3v5CG9Rjx7MdGQXI84vpbL7BC8KU8bTvLEWPTTOmiONUdEpi5q41JqT+6RAKa3DnfjB2W/Be3j8S0lczv1kqUwVP3lQiEEQhFO5t+H2zPcHhqXb0o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=euYnEslD; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="euYnEslD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3AD19C2BBFC; Tue, 7 May 2024 08:23:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1715070199; bh=QxX4b7q5XOeUTB4IiEc4dG0x64/1OCYe/75fyaZndHU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=euYnEslDreQIgjsExv5pQhTSYbvEKH0VOQM+I60M3KW8WozW+xl0WPGbFOaTLAoAb /V/l5Sd0Kip9+SG1+lwlsqE6EzQ2QDTtH1JcQRl9SR+sYfrbTIhujenn2HjtkUmgoB 8JkhC7UDf2kHcQZFtTKw7GLOxtgRwgiFgPl7o+WtMTCHDNQRrbMZerM6Wxlh8+daVy K5fCxgZyqWPf4Ul8hJ+9+zGkJ2bkKQCaQQTRUbyEKLMBmwK5lc8ioBoqaIRNzVLddE cJHawYtzqZOSCfMVfGcM9Tfj/khOJBJ+h/1BxdtGbwX7bhlv4bkCTMMgoXWE6ze8R/ PvnCf1OOYTHzw== Date: Tue, 7 May 2024 09:23:15 +0100 From: Lee Jones To: Ben Greear Cc: "Linux regression tracking (Thorsten Leemhuis)" , LKML , linux-leds@vger.kernel.org, Miri Korenblit , Johannes Berg , Linux regressions mailing list Subject: Re: 6.9.0-rc2+ kernel hangs on boot (bisected, maybe LED related) Message-ID: <20240507082315.GS1227636@google.com> References: <30819e01-43ce-638f-0cc6-067d6a8d03c7@candelatech.com> <89a9eec3-337f-3c9f-6bbe-00a26a15287c@candelatech.com> <20240411070718.GD6194@google.com> <8736ebc8881e1e0cabfbbf033725a3123a5e8e90.camel@sipsolutions.net> <8ab88be5de30bcbd0d1cac3cfde6b2085dcfc8fb.camel@sipsolutions.net> <0197efe8-828b-43ae-85c9-5d521913a289@leemhuis.info> <20240502071908.GB5338@google.com> <8054cc9c-fbfe-a08d-5968-57b90a25af65@candelatech.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <8054cc9c-fbfe-a08d-5968-57b90a25af65@candelatech.com> On Sat, 04 May 2024, Ben Greear wrote: > On 5/2/24 00:19, Lee Jones wrote: > > On Tue, 23 Apr 2024, Linux regression tracking (Thorsten Leemhuis) > > wrote: > > > > > On 23.04.24 11:06, Johannes Berg wrote: > > > > On Tue, 2024-04-23 at 11:00 +0200, Linux regression tracking > > > > (Thorsten Leemhuis) wrote: > > > > > On 16.04.24 08:17, Johannes Berg wrote: > > > > > > On Mon, 2024-04-15 at 13:37 -0700, Ben Greear wrote: > > > > > > > > > > > > > > Johannes, you had another suggestion: changing iwlwifi's > > > > > > > request_module() to request_module_nowait() in > > > > > > > iwl_req_fw_callback() > > > > > > > > > > > > > > Is that still best thing to try in your opinion? > > > > > > > > > > > > I guess so, I don't have any better ideas so far anyway ... > > > > > > > > > > [adding the iwlwifi maintainer; thread starts here: > > > > > https://lore.kernel.org/lkml/30f757e3-73c5-5473-c1f8-328bab98fd7d@candelatech.com/ > > > > > > > > > > ] > > > > > > > > > > Johannes, Miri, what's the status wrt to this regression? From > > > > > here things look somewhat stalled -- but maybe there was > > > > > progress and I just missed it. > > > > > > > > What do you want? It got bisected to an LED merge, but you ping > > > > _us_? Way to go ... > > > > > > Sorry, to me it sounded a bit like you had an idea for a fix and > > > were going to give it a try -- similar to how the maintainers for > > > a r8169 driver and the igc driver provided fixes for bugs recent > > > LED changes exposed. > > > > > > But sure, you are right, in the end some LED change seems to have > > > cause this, so the duty to fix it lies in that field. Therefore: > > > > > > Lee, what's the status here to get this fixed before the final? > > > > No idea. Did you send a fix? > > I sent what is probably just a work-around. I also spent time > bisecting and testing. The problem appears to have come in with the > LED related merge. I think it is fair to ask the LED folks to at > least take a look at the lockdep debugging I posted. I can't speak for Pavel, but I personally have no way of debugging or reproducing this. The only usefulness I can provide is to review and apply fixes as and when they appear. > It is not fair to expect anyone that manages to find or track a bug to > also fix it. No such expectation has been felt or communicated. -- Lee Jones [李琼斯]