From: Andreas Schwab <schwab@linux-m68k.org>
To: Lars Ingebrigtsen <larsi@gnus.org>
Cc: 24201@debbugs.gnu.org, Paul Eggert <eggert@cs.ucla.edu>
Subject: bug#24201: 25.1.50; TLS connections sometimes hang
Date: Mon, 19 Feb 2018 19:37:00 +0100 [thread overview]
Message-ID: <87606seshf.fsf@linux-m68k.org> (raw)
In-Reply-To: <m3606setf1.fsf@gnus.org> (Lars Ingebrigtsen's message of "Mon, 19 Feb 2018 19:16:50 +0100")
On Feb 19 2018, Lars Ingebrigtsen <larsi@gnus.org> wrote:
> Paul Eggert <eggert@cs.ucla.edu> writes:
>
>> Lars Ingebrigtsen wrote:
>>> #0 pthread_sigmask (how=0, newmask=<optimized out>, oldmask=0x7fffffff8a60)
>>> at ../sysdeps/unix/sysv/linux/pthread_sigmask.c:50
>>
>> When you say that Emacs "hangs" surely you don't mean that the call to
>> pthread_sigmask is hanging. So, can we assume that Emacs is
>> busy-waiting for something? Is the CPU pegged? What does the busy-wait
>> loop look like?
>
> It's using 100% CPU, so it's busy-waiting, but every time I stop it,
> it's in that pthread_sigmask, as far as I'm able to tell...
Since it's making a syscall the loop is likely spending a significant
part of the time there. That doesn't mean it's reponsible for the busy
wait.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
prev parent reply other threads:[~2018-02-19 18:37 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-11 13:20 bug#24201: 25.1.50; TLS connections sometimes hang Lars Ingebrigtsen
2016-08-15 2:35 ` Paul Eggert
2016-10-10 10:36 ` Eli Zaretskii
2016-10-10 10:54 ` Lars Ingebrigtsen
2016-10-10 11:23 ` Eli Zaretskii
2017-09-02 12:40 ` Eli Zaretskii
2017-09-02 13:04 ` Lars Ingebrigtsen
2017-09-02 14:21 ` Eli Zaretskii
2018-02-18 17:57 ` Lars Ingebrigtsen
2018-02-19 16:52 ` Lars Ingebrigtsen
2018-02-19 17:56 ` Paul Eggert
2018-02-19 18:16 ` Lars Ingebrigtsen
2018-02-19 18:32 ` Eli Zaretskii
2018-02-19 19:06 ` Lars Ingebrigtsen
2018-02-19 19:57 ` Eli Zaretskii
2018-02-19 20:39 ` Lars Ingebrigtsen
2019-06-24 13:25 ` Lars Ingebrigtsen
2019-06-24 19:20 ` Eli Zaretskii
2019-06-24 20:46 ` Lars Ingebrigtsen
2019-06-25 19:15 ` Lars Ingebrigtsen
2019-06-25 21:57 ` Lars Ingebrigtsen
2019-06-26 16:32 ` Eli Zaretskii
2019-06-27 10:34 ` Lars Ingebrigtsen
2019-06-27 13:25 ` Eli Zaretskii
2019-06-27 19:28 ` Lars Ingebrigtsen
2019-06-28 6:19 ` Eli Zaretskii
2019-06-28 8:25 ` Lars Ingebrigtsen
2019-06-28 8:34 ` Eli Zaretskii
2019-06-28 9:55 ` Lars Ingebrigtsen
2019-06-28 12:26 ` Eli Zaretskii
2019-06-28 14:39 ` Basil L. Contovounesios
2019-06-28 14:50 ` Eli Zaretskii
2019-06-30 19:02 ` Lars Ingebrigtsen
2019-07-04 13:04 ` Lars Ingebrigtsen
2019-07-04 19:05 ` Eli Zaretskii
2019-07-05 12:59 ` Lars Ingebrigtsen
2019-07-05 18:03 ` Eli Zaretskii
2019-07-06 12:16 ` Lars Ingebrigtsen
2019-07-07 18:13 ` Lars Ingebrigtsen
2019-07-07 18:18 ` Eli Zaretskii
2019-07-08 16:38 ` Lars Ingebrigtsen
2020-08-03 6:00 ` Lars Ingebrigtsen
2019-07-05 8:21 ` Eli Zaretskii
2019-07-05 13:13 ` Lars Ingebrigtsen
2019-06-26 16:29 ` Eli Zaretskii
2018-02-19 18:37 ` Andreas Schwab [this message]
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