GNU bug report logs - #49682
27.2.50; accept-process-output within accept-process-output hangs emacs

Previous Next

Full log

View this message in rfc822 format

From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Rajeev N <rajeev.jnk <at> sivalik.com>
Cc: Lars Ingebrigtsen <larsi <at> gnus.org>, 49682 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>
Subject: bug#49682: 27.2.50; accept-process-output within accept-process-output hangs emacs
Date: Tue, 27 Jul 2021 17:13:46 +0300

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.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.