From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp.polymtl.ca (smtp.polymtl.ca [132.207.4.11]) by sourceware.org (Postfix) with ESMTPS id 53666385840E for ; Tue, 20 Jul 2021 05:14:47 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 53666385840E Received: from simark.ca (simark.ca [158.69.221.121]) (authenticated bits=0) by smtp.polymtl.ca (8.14.7/8.14.7) with ESMTP id 16K5EdK6022651 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 20 Jul 2021 01:14:43 -0400 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp.polymtl.ca 16K5EdK6022651 Received: from [10.0.0.11] (192-222-157-6.qc.cable.ebox.net [192.222.157.6]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by simark.ca (Postfix) with ESMTPSA id B94DB1E79C; Tue, 20 Jul 2021 01:14:38 -0400 (EDT) Subject: Re: [PATCH] gdb/testsuite: capture GDB tty name in default_gdb_spawn To: Bernd Edlinger , Tom Tromey , Simon Marchi via Gdb-patches References: <20210608212126.1673188-1-simon.marchi@polymtl.ca> <874ke7jcrv.fsf@tromey.com> <269336aa-5500-c03e-9e00-81279c24e5be@polymtl.ca> <87a6nxinjj.fsf@tromey.com> From: Simon Marchi Message-ID: <86a3df13-64c5-6c4a-aa38-bd0abe34e3d7@polymtl.ca> Date: Tue, 20 Jul 2021 01:14:38 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Poly-FromMTA: (simark.ca [158.69.221.121]) at Tue, 20 Jul 2021 05:14:39 +0000 X-Spam-Status: No, score=-4.0 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, NICE_REPLY_A, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_PASS, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Jul 2021 05:14:50 -0000 On 2021-07-19 3:05 p.m., Bernd Edlinger wrote: > expect 5.45.4-2build1 > tcl 8.6.9+1 > dejagnu 1.6.2-1 For the record, I do see it on my Ubuntu 20.04 machine. It can be reproduced by running `runtest --status` manually in gdb/testsuite, that could make it a bit easier to debug. I attached GDB to runtest while it was doing its thing and waited for it to segfault, that gave me the following backtrace (after installing the appropriate -dbgsym packages): #0 0x00007fe176cd8b69 in exp_close (interp=interp@entry=0x5595b70269d0, esPtr=0x5595bb6968b0) at exp_command.c:370 #1 0x00007fe176ceef9a in exp_close_all (interp=0x5595b70269d0) at exp_chan.c:582 #2 0x00007fe176bd5b72 in InvokeExitHandlers () at ./generic/tclEvent.c:911 #3 0x00007fe176bd5c0a in Tcl_Exit (status=1) at ./generic/tclEvent.c:976 #4 0x00007fe176cdb959 in Exp_ExitObjCmd (clientData=, interp=0x5595b70269d0, objc=, objv=) at exp_command.c:2531 #5 0x00007fe176b4d5f2 in TclNRRunCallbacks (interp=interp@entry=0x5595b70269d0, result=0, rootPtr=0x0) at ./generic/tclBasic.c:4492 #6 0x00007fe176b4cfc5 in Tcl_EvalObjv (interp=interp@entry=0x5595b70269d0, objc=objc@entry=1, objv=objv@entry=0x5595b70342d0, flags=flags@entry=2097168) at ./generic/tclBasic.c:4215 #7 0x00007fe176b4e924 in TclEvalEx (interp=interp@entry=0x5595b70269d0, script=0x5595b70ade40 "# runtest.exp -- Test framework driver\n# Copyright (C) 1992-2016 Free Software Foundation, Inc.\n#\n# This file is part of DejaGnu.\n#\n# DejaGnu is free software; you can redistribute it and/or modify it"..., numBytes=, flags=flags@entry=0, line=1908, line@entry=1, clNextOuter=clNextOuter@entry=0x0, outerScript=0x5595b70ade40 "# runtest.exp -- Test framework driver\n# Copyright (C) 1992-2016 Free Software Foundation, Inc.\n#\n# This file is part of DejaGnu.\n#\n# DejaGnu is free software; you can redistribute it and/or modify it"...) at ./generic/tclBasic.c:5361 #8 0x00007fe176c08f79 in Tcl_FSEvalFileEx (encodingName=, pathPtr=0x5595b7063510, interp=0x5595b70269d0) at ./generic/tclIOUtil.c:1824 #9 Tcl_FSEvalFileEx (interp=0x5595b70269d0, pathPtr=0x5595b7063510, encodingName=) at ./generic/tclIOUtil.c:1724 #10 0x00007fe176c0784c in Tcl_EvalFile (interp=0x5595b70269d0, fileName=) at ./generic/tclIOUtil.c:424 #11 0x00007fe176ce856e in exp_interpret_cmdfilename (interp=0x5595b70269d0, filename=0x7fff61eef573 "/usr/share/dejagnu/runtest.exp") at exp_main_sub.c:953 #12 0x00005595b6cad2e9 in main (argc=4, argv=0x7fff61eeee38) at exp_main_exp.c:48 Simon