From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 604EC335551; Fri, 5 Dec 2025 14:57:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764946682; cv=none; b=e+V3j07ANLCsIYZKnTRZcKgSuObMHjEnIOj3pVnBedzzBHPuj6wxvtLXDc302LxSWob52LyvPj+8GquSP9yUo5zCobcUlPtTlHD/IVbMm+AxKrF8XzL4TD1hYRAa/Z/RB/mgDmPwt5phwp1s+fQJZyfsyokQT9iQj96ncgd4uOw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764946682; c=relaxed/simple; bh=nLhQ+6puMkQt1v1zxy7NeuDc0Bm0+2SoBcV2k6IPUns=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=nPQlmF/BUNcNdcl127r0IDxtZu9zJ/5P0FqNSl/o0cv1bQDMYjIH/gSn6YP4IFb+j6LMpNIEdtw9V+DVV7Ef0C6ansI2lrmLzahnBEjgwPfXIPmDq44565EH0EV6PMVR9KYbBx0J/TKpAJdDHIBCTnqTyazbO464w20f3fBNIWY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=ESUoXs0e; arc=none smtp.client-ip=192.198.163.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="ESUoXs0e" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1764946678; x=1796482678; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=nLhQ+6puMkQt1v1zxy7NeuDc0Bm0+2SoBcV2k6IPUns=; b=ESUoXs0eqS9U3UTYLv0wEzsGicGHENm+IHkfaS9s9PuWka3z5+HKuU8o tVBIBPD8b52s8m7CCY241xQLwiCvKN2IzFAs7/XgSuArnY4YNx/nWnFzS y7yK9KtHB+LqmOxX3yhEfhAsMFlmnb81sJSjXs2kqpK2UdIXCzKKeTY7X ithgRSxWtIUNoK+WOUwcXYDiRytFA6cBX+chWLdlUpslDztzeWCYs1xn5 pD+jfA5Dn5D4OWOQpTVJf3xgNB1spdcr8NJCWuA0clMGh9gDHR1/JSdEd tJ4PKEommLgb88vYt34MFrJAlNzMvSqJaJgviI1vQ+Jnrxvf9zo9+M/k2 w==; X-CSE-ConnectionGUID: 2tZ6VmXIRY+/3P0r0331sQ== X-CSE-MsgGUID: fjiBo7s0SFigL40+UTyI4Q== X-IronPort-AV: E=McAfee;i="6800,10657,11633"; a="67056155" X-IronPort-AV: E=Sophos;i="6.20,252,1758610800"; d="scan'208";a="67056155" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Dec 2025 06:57:55 -0800 X-CSE-ConnectionGUID: IlvSvx9PQQGL3wjLdvECjQ== X-CSE-MsgGUID: ZF8nmjC9RbiuHY8YTnpetg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,252,1758610800"; d="scan'208";a="195130953" Received: from amilburn-desk.amilburn-desk (HELO [10.245.244.111]) ([10.245.244.111]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Dec 2025 06:57:52 -0800 Message-ID: <7a6dfc17-12cc-4972-88d8-acf86e4fca45@linux.intel.com> Date: Fri, 5 Dec 2025 16:57:45 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [REGRESSION][BISECTED] usb: hub: total system freeze after running adb To: Forest Cc: Greg Kroah-Hartman , Alan Stern , Heikki Krogerus , Stefan Eichenberger , Pawel Laszczak , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, regressions@lists.linux.dev References: Content-Language: en-US From: Mathias Nyman In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 12/5/25 03:56, Forest wrote: > On Thu, 4 Dec 2025 01:41:37 +0200, Mathias Nyman wrote: > >> If possible, could you try with the same usb debugging enabled as last time, >> and add HUNG_TASK debugging entries in kernel config: >> >> CONFIG_DETECT_HUNG_TASK=y >> CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=30 >> CONFIG_DETECT_HUNG_TASK_BLOCKER=y >> >> And add the following patch to hub driver: > > That patch failed to apply, due to tab/space differences. I guess Thunderbird > might have taken liberties when you sent it. It was easy enough to make those > edits by hand, though. > > The result was again bursts of dmesg output roughly once per second, this time > 107 lines each. I compared the last three bursts that made it to my redirected > output file, and they were again the same except for timestamps and a few lines > being reordered. > > A screen photo once again shows newer timestamps than the file. I did not > read every line in the photo to compare it with the log file, but the last > dozen lines look the same. I suppose I can send you the photo if you like. > Yes please, small differences, ordering, and timing matter in this case Thanks Mathias