From: Rich Felker <dalias@libc.org>
To: musl@lists.openwall.com
Cc: "Milan P. Stanić" <mps@arvanta.net>
Subject: Re: [musl] [PATCH v2] MT fork
Date: Thu, 29 Oct 2020 12:20:57 -0400 [thread overview]
Message-ID: <20201029162057.GS534@brightrain.aerifal.cx> (raw)
In-Reply-To: <20201029161348.GA2947641@port70.net>
On Thu, Oct 29, 2020 at 05:13:48PM +0100, Szabolcs Nagy wrote:
> * Milan P. Stanić <mps@arvanta.net> [2020-10-29 00:06:10 +0100]:
> > On Wed, 2020-10-28 at 14:56, Rich Felker wrote:
> > > On Tue, Oct 27, 2020 at 05:17:35PM -0400, Rich Felker wrote:
> > > > > >
> > > > > > Will follow up with draft patch for testing.
> > > > >
> > > > > Patch attached. It should suffice for testing and review of whether
> > > > > there are any locks/state I overlooked. It could possibly be made less
> > > > > ugly too.
> > > > > [...]
> > > >
> > > > Another bug:
> > > > [...]
> > >
> > > And an updated version of the patch with both previously reported bugs
> > > fixed, for the purpose of users/distros wanting to test without
> > > manually fixing up the patch. Attached.
> >
> > Applied this patch on top of current musl master, build it on Alpine and
> > installed.
> >
> > Tested by building ruby lang. Works fine.
> > Also tested building zig lang, works fine.
> > But crystal lang builds fine, but running it hangs. strace shows:
> > -------------
> > [pid 5573] futex(0x7efc50fba9e4, FUTEX_WAIT_PRIVATE, 2, NULL <unfinished ...>
> > [pid 5568] futex(0x7efc5118f984, FUTEX_REQUEUE_PRIVATE, 0, 1, 0x7efc514b67a4) = 1
> > [pid 5568] futex(0x7efc514b67a4, FUTEX_WAKE_PRIVATE, 1) = 1
> > [pid 5571] <... futex resumed>) = 0
> > [pid 5568] futex(0x7efc511099e4, FUTEX_WAIT_PRIVATE, 2, NULL <unfinished ...>
> > [pid 5571] futex(0x7efc510409e4, FUTEX_WAIT_PRIVATE, 2, NULL
> > -------------
> > where it hangs.
>
> try to attach gdb to the process that hang and do
>
> thread apply all bt
Thanks -- I meant to reply to this earlier but forgot to.
> (make sure musl-dbg is installed)
If using a replacement musl, I think you'd just ensure it's built with
-g rather than relying on distro musl-dbg package, which will be for a
mismatched build/version.
Rich
next prev parent reply other threads:[~2020-10-29 16:21 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-26 0:50 [musl] Status report and " Rich Felker
2020-10-26 0:59 ` Rich Felker
2020-10-26 3:29 ` Rich Felker
2020-10-26 18:44 ` Érico Nogueira
2020-10-26 19:52 ` Rich Felker
2020-10-26 20:11 ` Érico Nogueira
2020-10-27 21:17 ` Rich Felker
2020-10-28 18:56 ` [musl] [PATCH v2] " Rich Felker
2020-10-28 23:06 ` Milan P. Stanić
2020-10-29 16:13 ` Szabolcs Nagy
2020-10-29 16:20 ` Rich Felker [this message]
2020-10-29 20:55 ` Milan P. Stanić
2020-10-29 22:21 ` Szabolcs Nagy
2020-10-29 23:00 ` Milan P. Stanić
2020-10-29 23:27 ` Rich Felker
2020-10-30 0:13 ` Rich Felker
2020-10-30 7:47 ` Milan P. Stanić
2020-10-30 18:52 ` Milan P. Stanić
2020-10-30 18:57 ` Rich Felker
2020-10-30 21:31 ` Ariadne Conill
2020-10-31 3:31 ` Rich Felker
2020-11-06 3:36 ` Rich Felker
2020-11-08 16:12 ` Szabolcs Nagy
2020-11-09 17:07 ` Rich Felker
2020-11-09 18:01 ` Érico Nogueira
2020-11-09 18:44 ` Rich Felker
2020-11-09 18:54 ` Érico Nogueira
2020-11-09 21:59 ` Szabolcs Nagy
2020-11-09 22:23 ` Rich Felker
2020-11-11 0:52 ` Rich Felker
2020-11-11 6:35 ` Alexey Izbyshev
2020-11-11 11:25 ` Szabolcs Nagy
2020-11-11 14:56 ` Rich Felker
2020-11-11 16:35 ` Rich Felker
2020-10-31 7:22 ` Timo Teras
2020-10-31 13:29 ` Szabolcs Nagy
2020-10-31 13:35 ` Timo Teras
2020-10-31 14:41 ` Ariadne Conill
2020-10-31 14:49 ` Rich Felker
2020-10-31 14:48 ` Rich Felker
2020-10-31 14:47 ` Rich Felker
2020-10-29 23:32 ` Szabolcs Nagy
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201029162057.GS534@brightrain.aerifal.cx \
--to=dalias@libc.org \
--cc=mps@arvanta.net \
--cc=musl@lists.openwall.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.vuxu.org/mirror/musl/
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).