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Fri, 08 Nov 2019 02:37:21 -0800 (PST) Date: Fri, 8 Nov 2019 19:37:19 +0900 From: Sergey Senozhatsky To: Petr Mladek Subject: Re: [PATCH 00/50] Add log level to show_stack() Message-ID: <20191108103719.GB175344@google.com> References: <20191106030542.868541-1-dima@arista.com> <20191106083538.z5nlpuf64cigxigh@pathway.suse.cz> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191106083538.z5nlpuf64cigxigh@pathway.suse.cz> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191108_023723_717938_0748F105 X-CRM114-Status: GOOD ( 10.68 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Juri Lelli , linux-sh@vger.kernel.org, Catalin Marinas , Ben Segall , Guo Ren , Pavel Machek , Vincent Guittot , Paul Burton , Dmitry Safonov , Michael Ellerman , Geert Uytterhoeven , Mel Gorman , Jiri Slaby , Matt Turner , uclinux-h8-devel@lists.sourceforge.jp, Len Brown , linux-pm@vger.kernel.org, Heiko Carstens , linux-um@lists.infradead.org, Thomas Gleixner , Dietmar Eggemann , Richard Henderson , Greg Kroah-Hartman , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, Ralf Baechle , Paul Mackerras , Andrew Morton , linux-ia64@vger.kernel.org, Tetsuo Handa , James Hogan , "James E.J. Bottomley" , Max Filippov , Vincent Chen , Ingo Molnar , linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , linux-hexagon@vger.kernel.org, Helge Deller , linux-xtensa@linux-xtensa.org, Vasily Gorbik , Aurelien Jacquiot , linux-m68k@lists.linux-m68k.org, Stafford Horne , linux-arm-kernel@lists.infradead.org, Chris Zankel , Tony Luck , Douglas Anderson , Benjamin Herrenschmidt , Dmitry Safonov <0x7f454c46@gmail.com>, Will Deacon , Daniel Thompson , Brian Cain , Christian Borntraeger , kgdb-bugreport@lists.sourceforge.net, linux-snps-arc@lists.infradead.org, Fenghua Yu , Borislav Petkov , Jeff Dike , Steven Rostedt , Ivan Kokshaysky , Greentime Hu , Guan Xuetao , linux-parisc@vger.kernel.org, linux-alpha@vger.kernel.org, Ley Foon Tan , "David S. Miller" , Rich Felker , Peter Zijlstra , "H. Peter Anvin" , sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, Anton Ivanov , Jonas Bonn , Richard Weinberger , x86@kernel.org, Russell King , clang-built-linux@googlegroups.com, Ingo Molnar , Mark Salter , Albert Ou , Stefan Kristiansson , openrisc@lists.librecores.org, Paul Walmsley , Michal Simek , Vineet Gupta , linux-mips@vger.kernel.org, Sergey Senozhatsky , Palmer Dabbelt , Jason Wessel , nios2-dev@lists.rocketboards.org, linuxppc-dev@lists.ozlabs.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org On (19/11/06 09:35), Petr Mladek wrote: > I agree with all the other justification. > > I would add. The backtrace is really useful for debugging. It should > be possible to print it even in less critical situations. Hmm, I don't know. Do we really need debug/info level backtraces? May be all backtraces can be converted to something more severe (so we can stop playing games with loglvl) and then we can clean up "(ab)users"? -ss _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 37F92C5DF60 for ; Fri, 8 Nov 2019 11:01:18 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D781A206BA for ; 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Fri, 08 Nov 2019 02:37:21 -0800 (PST) Date: Fri, 8 Nov 2019 19:37:19 +0900 From: Sergey Senozhatsky To: Petr Mladek Subject: Re: [PATCH 00/50] Add log level to show_stack() Message-ID: <20191108103719.GB175344@google.com> References: <20191106030542.868541-1-dima@arista.com> <20191106083538.z5nlpuf64cigxigh@pathway.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191106083538.z5nlpuf64cigxigh@pathway.suse.cz> User-Agent: Mutt/1.10.1 (2018-07-13) X-Mailman-Approved-At: Fri, 08 Nov 2019 21:56:52 +1100 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Juri Lelli , linux-sh@vger.kernel.org, Catalin Marinas , Ben Segall , Guo Ren , Pavel Machek , Vincent Guittot , Paul Burton , Dmitry Safonov , Geert Uytterhoeven , Mel Gorman , Jiri Slaby , Matt Turner , uclinux-h8-devel@lists.sourceforge.jp, Len Brown , linux-pm@vger.kernel.org, Heiko Carstens , linux-um@lists.infradead.org, Thomas Gleixner , Dietmar Eggemann , Richard Henderson , Greg Kroah-Hartman , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, Ralf Baechle , Paul Mackerras , Andrew Morton , linux-ia64@vger.kernel.org, Tetsuo Handa , James Hogan , "James E.J. Bottomley" , Max Filippov , Vincent Chen , Ingo Molnar , linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , linux-hexagon@vger.kernel.org, Helge Deller , linux-xtensa@linux-xtensa.org, Vasily Gorbik , Aurelien Jacquiot , linux-m68k@lists.linux-m68k.org, Stafford Horne , linux-arm-kernel@lists.infradead.org, Chris Zankel , Tony Luck , Douglas Anderson , Dmitry Safonov <0x7f454c46@gmail.com>, Will Deacon , Daniel Thompson , Brian Cain , Christian Borntraeger , kgdb-bugreport@lists.sourceforge.net, linux-snps-arc@lists.infradead.org, Fenghua Yu , Borislav Petkov , Jeff Dike , Steven Rostedt , Ivan Kokshaysky , Greentime Hu , Guan Xuetao , linux-parisc@vger.kernel.org, linux-alpha@vger.kernel.org, Ley Foon Tan , "David S. Miller" , Rich Felker , Peter Zijlstra , "H. Peter Anvin" , sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, Anton Ivanov , Jonas Bonn , Richard Weinberger , x86@kernel.org, Russell King , clang-built-linux@googlegroups.com, Ingo Molnar , Mark Salter , Albert Ou , Stefan Kristiansson , openrisc@lists.librecores.org, Paul Walmsley , Michal Simek , Vineet Gupta , linux-mips@vger.kernel.org, Sergey Senozhatsky , Palmer Dabbelt , Jason Wessel , nios2-dev@lists.rocketboards.org, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On (19/11/06 09:35), Petr Mladek wrote: > I agree with all the other justification. > > I would add. The backtrace is really useful for debugging. It should > be possible to print it even in less critical situations. Hmm, I don't know. Do we really need debug/info level backtraces? May be all backtraces can be converted to something more severe (so we can stop playing games with loglvl) and then we can clean up "(ab)users"? -ss From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.1 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E22DEFC6194 for ; Fri, 8 Nov 2019 10:37:28 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B9536207FA for ; 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Fri, 08 Nov 2019 02:37:22 -0800 (PST) Received: from localhost ([2401:fa00:8f:203:250d:e71d:5a0a:9afe]) by smtp.gmail.com with ESMTPSA id m14sm5221119pgj.8.2019.11.08.02.37.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 Nov 2019 02:37:21 -0800 (PST) Date: Fri, 8 Nov 2019 19:37:19 +0900 From: Sergey Senozhatsky To: Petr Mladek Subject: Re: [PATCH 00/50] Add log level to show_stack() Message-ID: <20191108103719.GB175344@google.com> References: <20191106030542.868541-1-dima@arista.com> <20191106083538.z5nlpuf64cigxigh@pathway.suse.cz> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191106083538.z5nlpuf64cigxigh@pathway.suse.cz> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191108_023723_717938_0748F105 X-CRM114-Status: GOOD ( 10.68 ) X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Juri Lelli , linux-sh@vger.kernel.org, Catalin Marinas , Ben Segall , Guo Ren , Pavel Machek , Vincent Guittot , Paul Burton , Dmitry Safonov , Michael Ellerman , Geert Uytterhoeven , Mel Gorman , Jiri Slaby , Matt Turner , uclinux-h8-devel@lists.sourceforge.jp, Len Brown , linux-pm@vger.kernel.org, Heiko Carstens , linux-um@lists.infradead.org, Thomas Gleixner , Dietmar Eggemann , Richard Henderson , Greg Kroah-Hartman , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, Ralf Baechle , Paul Mackerras , Andrew Morton , linux-ia64@vger.kernel.org, Tetsuo Handa , James Hogan , "James E.J. Bottomley" , Max Filippov , Vincent Chen , Ingo Molnar , linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , linux-hexagon@vger.kernel.org, Helge Deller , linux-xtensa@linux-xtensa.org, Vasily Gorbik , Aurelien Jacquiot , linux-m68k@lists.linux-m68k.org, Stafford Horne , linux-arm-kernel@lists.infradead.org, Chris Zankel , Tony Luck , Douglas Anderson , Benjamin Herrenschmidt , Dmitry Safonov <0x7f454c46@gmail.com>, Will Deacon , Daniel Thompson , Brian Cain , Christian Borntraeger , kgdb-bugreport@lists.sourceforge.net, linux-snps-arc@lists.infradead.org, Fenghua Yu , Borislav Petkov , Jeff Dike , Steven Rostedt , Ivan Kokshaysky , Greentime Hu , Guan Xuetao , linux-parisc@vger.kernel.org, linux-alpha@vger.kernel.org, Ley Foon Tan , "David S. Miller" , Rich Felker , Peter Zijlstra , "H. Peter Anvin" , sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, Anton Ivanov , Jonas Bonn , Richard Weinberger , x86@kernel.org, Russell King , clang-built-linux@googlegroups.com, Ingo Molnar , Mark Salter , Albert Ou , Stefan Kristiansson , openrisc@lists.librecores.org, Paul Walmsley , Michal Simek , Vineet Gupta , linux-mips@vger.kernel.org, Sergey Senozhatsky , Palmer Dabbelt , Jason Wessel , nios2-dev@lists.rocketboards.org, linuxppc-dev@lists.ozlabs.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org On (19/11/06 09:35), Petr Mladek wrote: > I agree with all the other justification. > > I would add. The backtrace is really useful for debugging. It should > be possible to print it even in less critical situations. Hmm, I don't know. Do we really need debug/info level backtraces? May be all backtraces can be converted to something more severe (so we can stop playing games with loglvl) and then we can clean up "(ab)users"? -ss _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergey Senozhatsky Date: Fri, 8 Nov 2019 19:37:19 +0900 Subject: [OpenRISC] [PATCH 00/50] Add log level to show_stack() In-Reply-To: <20191106083538.z5nlpuf64cigxigh@pathway.suse.cz> References: <20191106030542.868541-1-dima@arista.com> <20191106083538.z5nlpuf64cigxigh@pathway.suse.cz> Message-ID: <20191108103719.GB175344@google.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: openrisc@lists.librecores.org On (19/11/06 09:35), Petr Mladek wrote: > I agree with all the other justification. > > I would add. The backtrace is really useful for debugging. It should > be possible to print it even in less critical situations. Hmm, I don't know. Do we really need debug/info level backtraces? May be all backtraces can be converted to something more severe (so we can stop playing games with loglvl) and then we can clean up "(ab)users"? -ss From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Fri, 8 Nov 2019 19:37:19 +0900 From: Sergey Senozhatsky Subject: Re: [PATCH 00/50] Add log level to show_stack() Message-ID: <20191108103719.GB175344@google.com> References: <20191106030542.868541-1-dima@arista.com> <20191106083538.z5nlpuf64cigxigh@pathway.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191106083538.z5nlpuf64cigxigh@pathway.suse.cz> To: Petr Mladek Cc: Dmitry Safonov , linux-kernel@vger.kernel.org, Dmitry Safonov <0x7f454c46@gmail.com>, Andrew Morton , Greg Kroah-Hartman , Ingo Molnar , Jiri Slaby , Sergey Senozhatsky , Steven Rostedt , Tetsuo Handa , Albert Ou , Ben Segall , Dietmar Eggemann , Greentime Hu , Ingo Molnar , James Hogan , Juri Lelli , Mel Gorman , Michal Simek , Palmer Dabbelt , Paul Burton , Paul Walmsley , Peter Zijlstra , Ralf Baechle , Thomas Gleixner , Vincent Chen , Vincent Guittot , Will Deacon , linux-mips@vger.kernel.org, linux-riscv@lists.infradead.org, Ivan Kokshaysky , Matt Turner , Richard Henderson , linux-alpha@vger.kernel.org, Vineet Gupta , linux-snps-arc@lists.infradead.org, Russell King , linux-arm-kernel@lists.infradead.org, clang-built-linux@googlegroups.com, Catalin Marinas , Aurelien Jacquiot , Mark Salter , linux-c6x-dev@linux-c6x.org, Guo Ren , Yoshinori Sato , uclinux-h8-devel@lists.sourceforge.jp, Brian Cain , linux-hexagon@vger.kernel.org, Fenghua Yu , Tony Luck , linux-ia64@vger.kernel.org, Geert Uytterhoeven , linux-m68k@lists.linux-m68k.org, Ley Foon Tan , nios2-dev@lists.rocketboards.org, Jonas Bonn , Stafford Horne , Stefan Kristiansson , openrisc@lists.librecores.org, Helge Deller , "James E.J. Bottomley" , linux-parisc@vger.kernel.org, Benjamin Herrenschmidt , Michael Ellerman , Paul Mackerras , linuxppc-dev@lists.ozlabs.org, Christian Borntraeger , Heiko Carstens , Vasily Gorbik , linux-s390@vger.kernel.org, Rich Felker , linux-sh@vger.kernel.org, "David S. Miller" , sparclinux@vger.kernel.org, Anton Ivanov , Jeff Dike , Richard Weinberger , linux-um@lists.infradead.org, Guan Xuetao , Borislav Petkov , "H. Peter Anvin" , x86@kernel.org, Chris Zankel , Max Filippov , linux-xtensa@linux-xtensa.org, Len Brown , Pavel Machek , "Rafael J. Wysocki" , linux-pm@vger.kernel.org, Daniel Thompson , Douglas Anderson , Jason Wessel , kgdb-bugreport@lists.sourceforge.net List-ID: On (19/11/06 09:35), Petr Mladek wrote: > I agree with all the other justification. > > I would add. The backtrace is really useful for debugging. It should > be possible to print it even in less critical situations. Hmm, I don't know. Do we really need debug/info level backtraces? May be all backtraces can be converted to something more severe (so we can stop playing games with loglvl) and then we can clean up "(ab)users"? -ss From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergey Senozhatsky Subject: Re: [PATCH 00/50] Add log level to show_stack() Date: Fri, 8 Nov 2019 19:37:19 +0900 Message-ID: <20191108103719.GB175344@google.com> References: <20191106030542.868541-1-dima@arista.com> <20191106083538.z5nlpuf64cigxigh@pathway.suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=/TbfvbBMMqYJhaiiDLT5hNlGfQ9AYI+qFDv44qtxUn8=; b=ev1AOwJFzwsuKz KReAxG09UHfg38wG4XRZOHXjGaMk/Fey12D2/WiOJEBAMFBnkMFH8M6nFVSRigk2V50gJTBa5ox8P hK7A/SRq/Yh5MjFhzsOZ1kneLnxnZXD/eCPO3b/9OA0Ug0pF7B8B7m8+E+6bh4x7hbcOBiy+5cZFU S4f+1ptRlURf91kNyJbmhqyiyDYc5+8pUPzLb1zjJx65sakMqCxmywH/eNa/MxUZI/vpoYKmLiPC5 7pzjWHdw8m8wBtrXrhyjPNntHGhRwXZwJQooYVKMQ3Pzv4JwLofpguhkmRU4bl8o1Ct0elLuHQshs OckqDG8vQ/DBS+IykC+w==; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=S+Nia2Oa5QzCO5JT/esBQ1livkv4TlWV+4fZRWkEO+o=; b=f9fUi1K0epILaPpMKUGA+FGIJ+GYnQXz31FR/JIRsr0jNtvXVD8WKS6AKbo2g/yYiS jp2Jgic4IxPn6T+PZphyltIyB4vnkBFwniOcMw51O2csFX1kjAC4QKejH96MUOsdWVPi BoIKRt+J7TT0AysruvIMXwSoJkxw5mAFsb1iShx9yrdJQ4jAMH1x3fQmLCILPy17O63N P5MCDaBbfZ4mb7y00oRdGf9IW4tz0D1nAGsSM5DLvdeQEZfjNAjb8k+88kSyJh4+WTH8 CfsXzxfWKj+ARiV2OGLJRKeQ2vRNt5PSY65UAb+0sRHT/5MlGv9E/r9lKer8LjaXODrM kWIA== Content-Disposition: inline In-Reply-To: <20191106083538.z5nlpuf64cigxigh@pathway.suse.cz> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+glpr-linux-riscv=m.gmane.org@lists.infradead.org To: Petr Mladek Cc: Juri Lelli , linux-sh@vger.kernel.org, Catalin Marinas , Ben Segall , Guo Ren , Pavel Machek , Vincent Guittot , Paul Burton , Dmitry Safonov , Michael Ellerman , Geert Uytterhoeven , Mel Gorman , Jiri Slaby , Matt Turner , uclinux-h8-devel@lists.sourceforge.jp, Len Brown , linux-pm@vger.kernel.org, Heiko Carstens , linux-um@lists.infradead.org, Thomas Gleixner , Dietmar Eggemann , Richard Henderson , Greg Kroah-Hartman , "Rafael J. Wysocki" , linux-kerne On (19/11/06 09:35), Petr Mladek wrote: > I agree with all the other justification. > > I would add. The backtrace is really useful for debugging. It should > be possible to print it even in less critical situations. Hmm, I don't know. Do we really need debug/info level backtraces? May be all backtraces can be converted to something more severe (so we can stop playing games with loglvl) and then we can clean up "(ab)users"? -ss