From debbugs-submit-bounces@debbugs.gnu.org Fri Nov 12 14:25:52 2021 Received: (at submit) by debbugs.gnu.org; 12 Nov 2021 19:25:52 +0000 Received: from localhost ([127.0.0.1]:46000 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mlcBL-0003Mv-R3 for submit@debbugs.gnu.org; Fri, 12 Nov 2021 14:25:52 -0500 Received: from lists.gnu.org ([209.51.188.17]:40152) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mlcBI-0003Mj-MO for submit@debbugs.gnu.org; Fri, 12 Nov 2021 14:25:49 -0500 Received: from eggs.gnu.org ([209.51.188.92]:58624) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mlcBI-0007EM-AW for bug-coreutils@gnu.org; Fri, 12 Nov 2021 14:25:48 -0500 Received: from mail-out.m-online.net ([212.18.0.10]:40524) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mlcBD-00072K-Nr for bug-coreutils@gnu.org; Fri, 12 Nov 2021 14:25:47 -0500 Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4HrT852LNCz1sCTt for ; Fri, 12 Nov 2021 20:25:41 +0100 (CET) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4HrT8505nRz1qqkK for ; Fri, 12 Nov 2021 20:25:41 +0100 (CET) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id gnwiY_0Wrlf0 for ; Fri, 12 Nov 2021 20:25:40 +0100 (CET) X-Auth-Info: Prt1dd9E3sHSH9IA/vxWLU3DeEJ7JiXccTYIHtFjPrrHG0L6YrMTzcV8vWIYg2lU Received: from igel.home (ppp-46-244-178-12.dynamic.mnet-online.de [46.244.178.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA for ; Fri, 12 Nov 2021 20:25:40 +0100 (CET) Received: by igel.home (Postfix, from userid 1000) id F28BC2C3936; Fri, 12 Nov 2021 20:25:39 +0100 (CET) From: Andreas Schwab To: bug-coreutils@gnu.org Subject: FAIL: tests/misc/env-signal-handler X-Yow: -- In 1962, you could buy a pair of SHARKSKIN SLACKS, with a ``Continental Belt,'' for $10.99!! Date: Fri, 12 Nov 2021 20:25:39 +0100 Message-ID: <87r1blrxak.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Received-SPF: pass client-ip=212.18.0.10; envelope-from=whitebox@nefkom.net; helo=mail-out.m-online.net X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.248, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: -1.1 (-) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.1 (--) --- exp-err6 2021-11-11 22:58:04.360716802 +0000 +++ err6 2021-11-11 22:58:04.752716821 +0000 @@ -1,2 +1 @@ timeout: sending signal INT to command 'env' -timeout: sending signal KILL to command 'env' ./tests/misc/env-signal-handler.sh: line 127: 26396 Killed env timeout --verbose --kill-after=.1 --signal=INT .1 env --ignore-signal sleep 10 > /dev/null 2> err7t FAIL tests/misc/env-signal-handler.sh (exit status: 1) Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different." 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[86.40.129.104]) by smtp.googlemail.com with ESMTPSA id f8sm13308425wmf.2.2021.11.12.14.34.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 12 Nov 2021 14:34:17 -0800 (PST) Message-ID: Date: Fri, 12 Nov 2021 22:33:17 +0000 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Thunderbird/95.0 Subject: Re: bug#51793: FAIL: tests/misc/env-signal-handler Content-Language: en-US To: Andreas Schwab , 51793@debbugs.gnu.org References: <87r1blrxak.fsf@igel.home> From: =?UTF-8?Q?P=c3=a1draig_Brady?= In-Reply-To: <87r1blrxak.fsf@igel.home> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Score: 0.4 (/) X-Debbugs-Envelope-To: 51793 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.6 (/) On 12/11/2021 19:25, Andreas Schwab wrote: > --- exp-err6 2021-11-11 22:58:04.360716802 +0000 > +++ err6 2021-11-11 22:58:04.752716821 +0000 > @@ -1,2 +1 @@ > timeout: sending signal INT to command 'env' > -timeout: sending signal KILL to command 'env' The above is for the previous command not the following. > ./tests/misc/env-signal-handler.sh: line 127: 26396 Killed env timeout --verbose --kill-after=.1 --signal=INT .1 env --ignore-signal sleep 10 > /dev/null 2> err7t > FAIL tests/misc/env-signal-handler.sh (exit status: 1) Could you paste a bit more context from the previous command. Specifically I'm wondering if the "Killed" message was displayed (i.e. if the SIGKILL was actually sent). I presume this is a race that you're seeing rarely. I've never seen this, and I can't see the race. What might be happening is the "sending signal KILL..." message sent to stderr, is in a buffer somewhere, which is dropped upon processing of SIGKILL. What file system, kernel, shell are you using. cheers, Pádraig From debbugs-submit-bounces@debbugs.gnu.org Sat Nov 13 04:31:11 2021 Received: (at 51793) by debbugs.gnu.org; 13 Nov 2021 09:31:11 +0000 Received: from localhost ([127.0.0.1]:46488 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mlpNM-0000F4-0a for submit@debbugs.gnu.org; Sat, 13 Nov 2021 04:31:11 -0500 Received: from mail-out.m-online.net ([212.18.0.9]:59246) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mlpNH-0000Er-94 for 51793@debbugs.gnu.org; Sat, 13 Nov 2021 04:31:06 -0500 Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4HrqvT4kpTz1qwGf; Sat, 13 Nov 2021 10:31:01 +0100 (CET) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4HrqvT31mlz1qqkB; Sat, 13 Nov 2021 10:31:01 +0100 (CET) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id TqRVp1I9uI89; Sat, 13 Nov 2021 10:31:00 +0100 (CET) X-Auth-Info: urricXyItWM8iGAglSDs8KRVf7w3t4fvwrEukDE97Wo1EfpOt5wAk4twT8WcftN+ Received: from tiger.home (ppp-46-244-171-81.dynamic.mnet-online.de [46.244.171.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Sat, 13 Nov 2021 10:31:00 +0100 (CET) Received: by tiger.home (Postfix, from userid 1000) id 88ED373C0D; Sat, 13 Nov 2021 10:30:59 +0100 (CET) From: Andreas Schwab To: =?utf-8?Q?P=C3=A1draig?= Brady Subject: Re: bug#51793: FAIL: tests/misc/env-signal-handler References: <87r1blrxak.fsf@igel.home> X-Yow: I hope something GOOD came in the mail today so I have a REASON to live!! Date: Sat, 13 Nov 2021 10:30:59 +0100 In-Reply-To: (=?utf-8?Q?=22P=C3=A1draig?= Brady"'s message of "Fri, 12 Nov 2021 22:33:17 +0000") Message-ID: <87tuggpfl8.fsf@linux-m68k.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Spam-Score: -0.5 (/) X-Debbugs-Envelope-To: 51793 Cc: 51793@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.5 (-) On Nov 12 2021, Pádraig Brady wrote: > On 12/11/2021 19:25, Andreas Schwab wrote: >> --- exp-err6 2021-11-11 22:58:04.360716802 +0000 >> +++ err6 2021-11-11 22:58:04.752716821 +0000 >> @@ -1,2 +1 @@ >> timeout: sending signal INT to command 'env' >> -timeout: sending signal KILL to command 'env' > > The above is for the previous command not the following. > >> ./tests/misc/env-signal-handler.sh: line 127: 26396 Killed env timeout --verbose --kill-after=.1 --signal=INT .1 env --ignore-signal sleep 10 > /dev/null 2> err7t >> FAIL tests/misc/env-signal-handler.sh (exit status: 1) > > Could you paste a bit more context from the previous command. This is the complete output. > I presume this is a race that you're seeing rarely. Yes. > I've never seen this, and I can't see the race. Try adding load to the system. > What file system, kernel, shell are you using. https://build.opensuse.org/package/live_build_log/home:Andreas_Schwab:Factory/coreutils/r/riscv64 Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different." From debbugs-submit-bounces@debbugs.gnu.org Sat Nov 13 04:36:42 2021 Received: (at 51793) by debbugs.gnu.org; 13 Nov 2021 09:36:42 +0000 Received: from localhost ([127.0.0.1]:46507 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mlpSk-0000O2-5l for submit@debbugs.gnu.org; Sat, 13 Nov 2021 04:36:42 -0500 Received: from mail-out.m-online.net ([212.18.0.10]:42389) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mlpSi-0000Nq-1K for 51793@debbugs.gnu.org; Sat, 13 Nov 2021 04:36:40 -0500 Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4Hrr1z17xKz1rk5r; Sat, 13 Nov 2021 10:36:38 +0100 (CET) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4Hrr1y6083z1qqkB; Sat, 13 Nov 2021 10:36:38 +0100 (CET) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id 2W5Q4ZVfUZsI; Sat, 13 Nov 2021 10:36:37 +0100 (CET) X-Auth-Info: 2xZWEyzldvvDJx70mcYkAQrk136Pokg/lOpBtCAh7BJpMs8E1kC9Qevs+jGtB0DL Received: from tiger.home (ppp-46-244-171-81.dynamic.mnet-online.de [46.244.171.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Sat, 13 Nov 2021 10:36:37 +0100 (CET) Received: by tiger.home (Postfix, from userid 1000) id C6EB473C13; Sat, 13 Nov 2021 10:36:36 +0100 (CET) From: Andreas Schwab To: =?utf-8?Q?P=C3=A1draig?= Brady Subject: Re: bug#51793: FAIL: tests/misc/env-signal-handler References: <87r1blrxak.fsf@igel.home> X-Yow: Now, my ENTIRE LIFE is flashing before my EYES as I park my DODGE DART in your EXXON service area for a COMPLETE LUBRICATION!! Date: Sat, 13 Nov 2021 10:36:36 +0100 In-Reply-To: (=?utf-8?Q?=22P=C3=A1draig?= Brady"'s message of "Fri, 12 Nov 2021 22:33:17 +0000") Message-ID: <87pmr4pfbv.fsf@linux-m68k.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -0.5 (/) X-Debbugs-Envelope-To: 51793 Cc: 51793@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.5 (-) https://build.opensuse.org/package/live_build_log/home:Andreas_Schwab:Factory/coreutils/s/s390x ./tests/misc/env-signal-handler.sh: line 91: 8508 Killed env timeout --verbose --kill-after=.1 --signal=INT .1 sleep 10 > /dev/null 2> err5 --- exp-err5 2021-11-13 09:14:29.837716890 +0000 +++ err5 2021-11-13 09:14:29.767716890 +0000 @@ -1 +1,2 @@ timeout: sending signal INT to command 'sleep' +timeout: sending signal KILL to command 'sleep' ./tests/misc/env-signal-handler.sh: line 111: 8525 Killed env timeout --verbose --kill-after=.1 --signal=INT .1 env --ignore-signal=INT sleep 10 > /dev/null 2> err6t ./tests/misc/env-signal-handler.sh: line 127: 8551 Killed env timeout --verbose --kill-after=.1 --signal=INT .1 env --ignore-signal sleep 10 > /dev/null 2> err7t FAIL tests/misc/env-signal-handler.sh (exit status: 1) Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different." From debbugs-submit-bounces@debbugs.gnu.org Sat Nov 13 04:46:41 2021 Received: (at 51793) by debbugs.gnu.org; 13 Nov 2021 09:46:41 +0000 Received: from localhost ([127.0.0.1]:46540 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mlpcP-0000gA-Dw for submit@debbugs.gnu.org; Sat, 13 Nov 2021 04:46:41 -0500 Received: from mail-out.m-online.net ([212.18.0.9]:34063) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mlpcN-0000g0-LV for 51793@debbugs.gnu.org; Sat, 13 Nov 2021 04:46:40 -0500 Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4HrrFV6x8Kz1qwGh; Sat, 13 Nov 2021 10:46:38 +0100 (CET) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4HrrFV6lQXz1qqkB; Sat, 13 Nov 2021 10:46:38 +0100 (CET) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id yd7i4IkQPSXR; Sat, 13 Nov 2021 10:46:38 +0100 (CET) X-Auth-Info: te00qommqE3WkUHCoBV9hjMdqMMB4bQra+bp2A0tozRjUEJm/9Pdp/acq0/WtjqC Received: from tiger.home (ppp-46-244-171-81.dynamic.mnet-online.de [46.244.171.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Sat, 13 Nov 2021 10:46:38 +0100 (CET) Received: by tiger.home (Postfix, from userid 1000) id A280473C1D; Sat, 13 Nov 2021 10:46:36 +0100 (CET) From: Andreas Schwab To: =?utf-8?Q?P=C3=A1draig?= Brady Subject: Re: bug#51793: FAIL: tests/misc/env-signal-handler References: <87r1blrxak.fsf@igel.home> X-Yow: Edwin Meese made me wear CORDOVANS!! Date: Sat, 13 Nov 2021 10:46:36 +0100 In-Reply-To: (=?utf-8?Q?=22P=C3=A1draig?= Brady"'s message of "Fri, 12 Nov 2021 22:33:17 +0000") Message-ID: <87lf1spev7.fsf@linux-m68k.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Spam-Score: -0.5 (/) X-Debbugs-Envelope-To: 51793 Cc: 51793@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.5 (-) On Nov 12 2021, Pádraig Brady wrote: > I've never seen this, and I can't see the race. There is an obvious race: if env needs more than .1 seconds to set the SIGINT handler. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different." 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[86.40.129.104]) by smtp.googlemail.com with ESMTPSA id 9sm11109771wry.0.2021.11.13.04.19.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 13 Nov 2021 04:19:40 -0800 (PST) Content-Type: multipart/mixed; boundary="------------vxxL4Cf4lBR3pTFnoS3Dbw5l" Message-ID: <30c0d4ce-2e63-8389-b4ac-091d888945cd@draigBrady.com> Date: Sat, 13 Nov 2021 12:18:39 +0000 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Thunderbird/95.0 Subject: Re: bug#51793: FAIL: tests/misc/env-signal-handler Content-Language: en-US To: Andreas Schwab References: <87r1blrxak.fsf@igel.home> <87lf1spev7.fsf@linux-m68k.org> From: =?UTF-8?Q?P=c3=a1draig_Brady?= In-Reply-To: <87lf1spev7.fsf@linux-m68k.org> X-Spam-Score: 0.4 (/) X-Debbugs-Envelope-To: 51793-done Cc: 51793-done@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.6 (/) This is a multi-part message in MIME format. --------------vxxL4Cf4lBR3pTFnoS3Dbw5l Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 13/11/2021 09:46, Andreas Schwab wrote: > On Nov 12 2021, Pádraig Brady wrote: > >> I've never seen this, and I can't see the race. > > There is an obvious race: if env needs more than .1 seconds to set the > SIGINT handler. Indeed. That fits the pattern where we need a certain delay to pass. So we can use our retry_delay_ helper here. 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