From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Dmitry Gutov Newsgroups: gmane.emacs.bugs Subject: bug#49682: 27.2.50; accept-process-output within accept-process-output hangs emacs Date: Tue, 27 Jul 2021 17:13:46 +0300 Message-ID: <4b30f49a-599d-a063-9923-44e59632a9f8@yandex.ru> References: <87mtqfzpbl.fsf@hm.sivalik.com> <87k0ljpulj.fsf@gnus.org> <87czrbve2s.fsf@hm.sivalik.com> <87sg07od34.fsf@gnus.org> <874kclkls1.fsf@hm.sivalik.com> <895868e4-4f20-ba77-f4e5-7ea2715d18f0@yandex.ru> <87y29s7svx.fsf@hm.sivalik.com> <27f2f996-5cb2-acf2-4f94-b964a7f1d32a@yandex.ru> <874kcgeqwa.fsf@hm.sivalik.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="34919"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 Cc: Lars Ingebrigtsen , 49682@debbugs.gnu.org To: Rajeev N Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Jul 27 16:14:09 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1m8NqS-0008ve-VX for geb-bug-gnu-emacs@m.gmane-mx.org; 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Tue, 27 Jul 2021 07:13:48 -0700 (PDT) In-Reply-To: <874kcgeqwa.fsf@hm.sivalik.com> Content-Language: en-US X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:210785 Archived-At: On 26.07.2021 23:55, Rajeev N wrote: > I am able to reproduce the hang on head of master and emacs-27 branches using emacs -Q, it does not happen every time, sometime it takes a few tries. The following is what is shown by strace in a loop: > > pselect6(20, [3 5 13 17 19], NULL, NULL, {tv_sec=0, tv_nsec=0}, {NULL, 8}) = 1 (in [19], left {tv_sec=0, tv_nsec=0}) > rt_sigprocmask(SIG_BLOCK, [INT], [], 8) = 0 > rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 > rt_sigprocmask(SIG_BLOCK, [INT], [], 8) = 0 > rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 > pselect6(20, [3 5 6 8 13 15 17 19], [], NULL, {tv_sec=0, tv_nsec=0}, {NULL, 8}) = 1 (in [19], left {tv_sec=0, tv_nsec=0}) > rt_sigprocmask(SIG_BLOCK, [INT], [], 8) = 0 > rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 > rt_sigprocmask(SIG_BLOCK, [INT], [], 8) = 0 > rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 > pselect6(20, [3 5 13 17 19], NULL, NULL, {tv_sec=0, tv_nsec=0}, {NULL, 8}) = 1 (in [19], left {tv_sec=0, tv_nsec=0}) > rt_sigprocmask(SIG_BLOCK, [INT], [], 8) = 0 > rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 > rt_sigprocmask(SIG_BLOCK, [INT], [], 8) = 0 > rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 > pselect6(20, [3 5 6 8 13 15 17 19], [], NULL, {tv_sec=0, tv_nsec=0}, {NULL, 8}) = 1 (in [19], left {tv_sec=0, tv_nsec=0}) > rt_sigprocmask(SIG_BLOCK, [INT], [], 8) = 0 > rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 Maybe Lars or Eli can interpret this log.