From: <dsmich@roadrunner.com>
To: guile-devel@gnu.org
Subject: possible hash deadlock with recent changes
Date: Sat, 7 May 2011 10:58:03 -0400 [thread overview]
Message-ID: <20110507145803.DOWDN.34939.root@cdptpa-web21-z02> (raw)
Recent changes to stable-2.0 seem to cause a deadlock in scwm. Here is the last 10 frames of a backtrace.
-Dale
(gdb) bt
#0 0xb77fa424 in __kernel_vsyscall ()
#1 0xb734cf02 in __lll_lock_wait ()
at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/lowlevellock.S:142
#2 0xb734839b in _L_lock_728 () from /lib/i686/cmov/libpthread.so.0
#3 0xb73481c1 in __pthread_mutex_lock (mutex=0xb74e60a0)
at pthread_mutex_lock.c:61
#4 0xb74d4737 in GC_lock () at pthread_support.c:1681
#5 0xb74c8b79 in GC_general_register_disappearing_link (link=0x8882e14,
obj=0x886be50) at finalize.c:156
#6 0xb75716eb in set_weak_cdr (data=0xbf9f5b18) at hashtab.c:783
#7 0xb74c74dc in GC_call_with_alloc_lock (fn=0xb75716a0 <set_weak_cdr>,
client_data=0xbf9f5b18) at finalize.c:925
#8 0xb7572b30 in scm_hash_fn_set_x (table=0x885f3f0, obj=0x89f2a30,
val=0x886be50, hash_fn=0xb7571050 <scm_ihash>,
assoc_fn=0xb7539820 <scm_sloppy_assoc>, closure=0x0) at hashtab.c:808
#9 0xb7572be7 in scm_hash_set_x (table=0x885f3f0, key=0x89f2a30,
val=0x886be50) at hashtab.c:1108
#10 0x080659c4 in ScmMakeColor (cn=0xbf9f5bf1 "rgb:5f5f/5f5f/5f5f",
perror_status=0x0) at color.c:230
next reply other threads:[~2011-05-07 14:58 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-07 14:58 dsmich [this message]
2011-05-08 14:34 ` possible hash deadlock with recent changes Ludovic Courtès
2011-05-08 18:43 ` dsmich
2011-05-25 16:52 ` dsmich
2011-07-01 10:31 ` Andy Wingo
2011-06-16 12:30 ` Andy Wingo
2011-06-16 14:02 ` dsmich
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
List information: https://www.gnu.org/software/guile/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20110507145803.DOWDN.34939.root@cdptpa-web21-z02 \
--to=dsmich@roadrunner.com \
--cc=guile-devel@gnu.org \
/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.
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 read-only IMAP folder(s) and NNTP newsgroup(s).