Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp3521009ybt; Tue, 30 Jun 2020 05:06:18 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyboNrlumoRiW76+TEEKrjQa3D6dt/oT73jT5oZHq7CcewWfk2q5+N1N6npuxPGr28vJejQ X-Received: by 2002:a17:906:2ccf:: with SMTP id r15mr18591165ejr.277.1593518778559; Tue, 30 Jun 2020 05:06:18 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1593518778; cv=none; d=google.com; s=arc-20160816; b=eGrjeiwJnZ3EjmBY2eNgOJtfL0P74ZiombpRuqtK7/gPC4XuMSlYu7xNGTBYiRMDXT lPw9V4Fbl5djg/ltCChTur2DBZnC4nOXB6+n8XUQjtAWysMESAb3xpxPEOk0jaJJZqLn 2YXK2gDjm2Wd6dLPQIhMqocdxKzQBniclW6OMIaJd2JVjw2i0qCkJexfdHcmOchTWd/q iuTOvMAhZ4RcY3bZVOh/oYDXl9HYg/d8TLI8bZg/2sMF3PzyVU95fHaxMx1wm8J/jfIH uVigwcyZKjXYP7gJ6AeGS4K/kt4yLXT8JBqTftWARlv+qPeI1ADdFE93POP8IM4XaOq5 boMA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:organization:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:ironport-sdr:ironport-sdr; bh=NfX5S4CTI04MbyuebS4I9+GgLrZq2ckBDnqrkLkcK7Q=; b=XecHBQljP7uEycYiVswTAQAv7C4TgpTDRgdzyZcAGw9QXNtc/J1r5vdkiA8Hhikoao QfhCzBPmSPYs/CO6DJe2BeogbrnftN8G9Xgti2fQyLxJGUDqU6kVR2wgrmI4QiQ5GNrl 0OjXFJMA+zOl4Px/Gl45bzDJe7YYTtexezWBoksRCFEnbERq5nX3A/UOfRlgplkMn87f 7ibHhY1iAVsBGiUYcuq36Xa/JuOKP2Y4EsPe/nYd8cV5yAWRImdxVhquHjyq54K/wx2+ djWOHJXyfnQtym4dvJH5JkfrIilhV6P1v4tKxzd0PjQiF15rxfnmg55zaqSHxxFi2knW vZJg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id ox25si1589405ejb.408.2020.06.30.05.05.55; Tue, 30 Jun 2020 05:06:18 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731805AbgF3Lku (ORCPT + 99 others); Tue, 30 Jun 2020 07:40:50 -0400 Received: from mga02.intel.com ([134.134.136.20]:55039 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729580AbgF3Lkt (ORCPT ); Tue, 30 Jun 2020 07:40:49 -0400 IronPort-SDR: 1H9K6FFwOvzIdmwU7i/vrYfrZXQ4orlLawCv6pOV9wyIY27wFCUo7wzz0XZW4kmbD6K4Svn62C BzPIb5hJY4aQ== X-IronPort-AV: E=McAfee;i="6000,8403,9666"; a="134510256" X-IronPort-AV: E=Sophos;i="5.75,297,1589266800"; d="scan'208";a="134510256" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jun 2020 04:40:49 -0700 IronPort-SDR: ZhsFBw3cp/z60KvxlH/Uc8Ced7xR5mWoSQNPU7Oj1LcV6jBoGxOfXktwe1lIuGpI2sSNFtNv0Z YaqSCkgbreOQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,297,1589266800"; d="scan'208";a="277398957" Received: from smile.fi.intel.com (HELO smile) ([10.237.68.40]) by orsmga003.jf.intel.com with ESMTP; 30 Jun 2020 04:40:45 -0700 Received: from andy by smile with local (Exim 4.94) (envelope-from ) id 1jqEd4-00GpmP-AL; Tue, 30 Jun 2020 14:40:46 +0300 Date: Tue, 30 Jun 2020 14:40:46 +0300 From: Andy Shevchenko To: Sergey Senozhatsky Cc: Petr Mladek , Raul Rangel , Tony Lindgren , Sergey Senozhatsky , linux-kernel , Greg Kroah-Hartman , kurt@linutronix.de, "S, Shirish" , Peter Zijlstra , John Ogness , Steven Rostedt Subject: Re: UART/TTY console deadlock Message-ID: <20200630114046.GR3703480@smile.fi.intel.com> References: <20200630035816.GA21591@jagdpanzerIV.localdomain> <20200630102141.GA11587@alley> <20200630105512.GA530@jagdpanzerIV.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200630105512.GA530@jagdpanzerIV.localdomain> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 30, 2020 at 07:55:12PM +0900, Sergey Senozhatsky wrote: > On (20/06/30 12:21), Petr Mladek wrote: ... > > I think that it might be safe but I am not 100% sure, sigh. > > Yeah, I'm not 100%, but I'd give it a try. Thanks for the patch! I think we have to wait for the original reporter. Raul, can you test the change Sergey proposed in the thread? -- With Best Regards, Andy Shevchenko