--- Begin Message ---
- To: Debian Bug Tracking System <submit@bugs.debian.org>
- Subject: libc6:amd64: pulseaudio hangs in pthread_cond_wait
- From: Alban Browaeys <prahal@yahoo.com>
- Date: Sun, 02 Dec 2012 19:27:30 +0100
- Message-id: <20121202182730.15050.41848.reportbug@admin.thetrendwatch11-premerge.fullsix.local.f6.fr>
Package: libc6
Version: 2.16-0experimental1
Severity: important
Dear Maintainer,
http://sourceware.org/bugzilla/show_bug.cgi?id=14417
libcanberra and gstreamer hangs on pulseaudio calls.
Upstream fixed this only in master at :
http://sourceware.org/git/?p=glibc.git;a=commit;h=c30e8edf7c56e55a81173da39f3e721ab17b9db6
Seems like debian handled it by reverting an upstream commit via:
debian/patches/i386/local-pthread_cond_wait.diff
but only for x86 arch (I am on x86_64 here).
Thus I hacked down this patch for debian from former upstream fix to
debian 2.16 experimental1 quilt patched sources. Ie the i386 fix is
partially missing as the latter debian i386 change removed one of the
files it patched.
"It works" but I have not done a review yet. Might serve as a starting
point. All in all I guess the debian revert
i386/local-pthread_cond_wait.diff should be added back and the upstream
fixe used instead. But sadly upstream did not backported this patch to
release/2.16/master so it is hard to tell if there are former diff in
master that might fixes others issues than this pulseaudio hang.
Best regards,
Alban
-- System Information:
Debian Release: wheezy/sid
APT prefers unstable
APT policy: (500, 'unstable'), (500, 'testing'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 3.7.0-rc4test0-00020-g0e4a43e (SMP w/2 CPU cores)
Locale: LANG=fr_FR.utf8, LC_CTYPE=fr_FR.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages libc6:amd64 depends on:
ii debconf [debconf-2.0] 1.5.46
ii libgcc1 1:4.7.2-12
libc6:amd64 recommends no packages.
Versions of packages libc6:amd64 suggests:
pn glibc-doc <none>
pn locales <none>
-- debconf information:
* glibc/upgrade: true
glibc/disable-screensaver:
glibc/restart-failed:
* glibc/restart-services: spamassassin ssh saslauthd samba openbsd-inetd mysql exim4 cups cron atd apache2
* libraries/restart-without-asking: false
>From c30e8edf7c56e55a81173da39f3e721ab17b9db6 Mon Sep 17 00:00:00 2001
From: Siddhesh Poyarekar <siddhesh@redhat.com>
Date: Fri, 5 Oct 2012 18:52:35 +0530
Subject: [PATCH] Unlock mutex before going back to waiting for PI mutexes
[BZ #14417]
A futex call with FUTEX_WAIT_REQUEUE_PI returns with the mutex locked
on success. If such a successful thread is pipped to the cond_lock by
another spuriously woken waiter, it could be sent back to wait on the
futex with the mutex lock held, thus causing a deadlock. So it is
necessary that the thread relinquishes the mutex before going back to
sleep.
---
NEWS | 6 +-
nptl/ChangeLog | 19 ++
nptl/Makefile | 4 +-
.../sysv/linux/i386/i486/pthread_cond_timedwait.S | 38 +++-
.../unix/sysv/linux/i386/i486/pthread_cond_wait.S | 117 +++-------
.../sysv/linux/x86_64/pthread_cond_timedwait.S | 51 ++++-
.../unix/sysv/linux/x86_64/pthread_cond_wait.S | 121 ++++------
nptl/tst-cond24.c | 249 ++++++++++++++++++++
8 files changed, 430 insertions(+), 175 deletions(-)
create mode 100644 nptl/tst-cond24.c
--- a/nptl/Makefile
+++ b/nptl/Makefile
@@ -210,7 +210,7 @@
tst-cond1 tst-cond2 tst-cond3 tst-cond4 tst-cond5 tst-cond6 tst-cond7 \
tst-cond8 tst-cond9 tst-cond10 tst-cond11 tst-cond12 tst-cond13 \
tst-cond14 tst-cond15 tst-cond16 tst-cond17 tst-cond18 tst-cond19 \
- tst-cond20 tst-cond21 tst-cond22 tst-cond23 \
+ tst-cond20 tst-cond21 tst-cond22 tst-cond23 tst-cond24 \
tst-robust1 tst-robust2 tst-robust3 tst-robust4 tst-robust5 \
tst-robust6 tst-robust7 tst-robust8 tst-robust9 \
tst-robustpi1 tst-robustpi2 tst-robustpi3 tst-robustpi4 tst-robustpi5 \
@@ -288,6 +288,7 @@
LDFLAGS-pthread.so = -Wl,--enable-new-dtags,-z,nodelete,-z,initfirst
+LDFLAGS-tst-cond24 = -lrt
include ../Makeconfig
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S
@@ -214,8 +214,23 @@
sete 24(%esp)
je 41f
- /* Normal and PI futexes dont mix. Use normal futex functions only
- if the kernel does not support the PI futex functions. */
+ /* When a futex syscall with FUTEX_WAIT_REQUEUE_PI returns
+ successfully, it has already locked the mutex for us and the
+ pi_flag (24(%esp)) is set to denote that fact. However, if another
+ thread changed the futex value before we entered the wait, the
+ syscall may return an EAGAIN and the mutex is not locked. We go
+ ahead with a success anyway since later we look at the pi_flag to
+ decide if we got the mutex or not. The sequence numbers then make
+ sure that only one of the threads actually wake up. We retry using
+ normal FUTEX_WAIT only if the kernel returned ENOSYS, since normal
+ and PI futexes don't mix.
+
+ Note that we don't check for EAGAIN specifically; we assume that the
+ only other error the futex function could return is EAGAIN (barring
+ the ETIMEOUT of course, for the timeout case in futex) since
+ anything else would mean an error in our function. It is too
+ expensive to do that check for every call (which is quite common in
+ case of a large number of threads), so it has been skipped. */
cmpl $-ENOSYS, %eax
jne 41f
xorl %ecx, %ecx
@@ -275,9 +290,24 @@
jne 9f
15: cmpl $-ETIMEDOUT, %esi
- jne 8b
+ je 28f
- addl $1, wakeup_seq(%ebx)
+ /* We need to go back to futex_wait. If we're using requeue_pi, then
+ release the mutex we had acquired and go back. */
+ movl 24(%esp), %edx
+ test %edx, %edx
+ jz 8b
+
+ /* Adjust the mutex values first and then unlock it. The unlock
+ should always succeed or else the kernel did not lock the mutex
+ correctly. */
+ movl dep_mutex(%ebx), %eax
+ call __pthread_mutex_cond_lock_adjust
+ xorl %edx, %edx
+ call __pthread_mutex_unlock_usercnt
+ jmp 8b
+
+28: addl $1, wakeup_seq(%ebx)
adcl $0, wakeup_seq+4(%ebx)
addl $1, cond_futex(%ebx)
movl $ETIMEDOUT, %esi
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
@@ -103,7 +103,7 @@
mov %RSI_LP, dep_mutex(%rdi)
22:
- xorl %r15d, %r15d
+ xorb %r15b, %r15b
#ifndef __ASSUME_FUTEX_CLOCK_REALTIME
# ifdef PIC
@@ -190,18 +190,39 @@
movl $SYS_futex, %eax
syscall
- movl $1, %r15d
+ cmpl $0, %eax
+ sete %r15b
+
#ifdef __ASSUME_REQUEUE_PI
jmp 62f
#else
- cmpq $-4095, %rax
- jnae 62f
+ je 62f
+
+ /* When a futex syscall with FUTEX_WAIT_REQUEUE_PI returns
+ successfully, it has already locked the mutex for us and the
+ pi_flag (%r15b) is set to denote that fact. However, if another
+ thread changed the futex value before we entered the wait, the
+ syscall may return an EAGAIN and the mutex is not locked. We go
+ ahead with a success anyway since later we look at the pi_flag to
+ decide if we got the mutex or not. The sequence numbers then make
+ sure that only one of the threads actually wake up. We retry using
+ normal FUTEX_WAIT only if the kernel returned ENOSYS, since normal
+ and PI futexes don't mix.
+
+ Note that we don't check for EAGAIN specifically; we assume that the
+ only other error the futex function could return is EAGAIN (barring
+ the ETIMEOUT of course, for the timeout case in futex) since
+ anything else would mean an error in our function. It is too
+ expensive to do that check for every call (which is quite common in
+ case of a large number of threads), so it has been skipped. */
+ cmpl $-ENOSYS, %eax
+ jne 62f
subq $cond_futex, %rdi
#endif
61: movl $(FUTEX_WAIT_BITSET|FUTEX_PRIVATE_FLAG), %esi
-60: xorl %r15d, %r15d
+60: xorb %r15b, %r15b
xorl %eax, %eax
/* The following only works like this because we only support
two clocks, represented using a single bit. */
@@ -248,7 +269,23 @@
ja 39f
45: cmpq $-ETIMEDOUT, %r14
- jne 38b
+ je 99f
+
+ /* We need to go back to futex_wait. If we're using requeue_pi, then
+ release the mutex we had acquired and go back. */
+ test %r15b, %r15b
+ jz 38b
+
+ /* Adjust the mutex values first and then unlock it. The unlock
+ should always succeed or else the kernel did not lock the
+ mutex correctly. */
+ movq %r8, %rdi
+ callq __pthread_mutex_cond_lock_adjust
+ xorl %esi, %esi
+ callq __pthread_mutex_unlock_usercnt
+ /* Reload cond_var. */
+ movq 8(%rsp), %rdi
+ jmp 38b
99: incq wakeup_seq(%rdi)
incl cond_futex(%rdi)
@@ -298,7 +335,7 @@
/* If requeue_pi is used the kernel performs the locking of the
mutex. */
41: movq 16(%rsp), %rdi
- testl %r15d, %r15d
+ testb %r15b, %r15b
jnz 64f
callq __pthread_mutex_cond_lock
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
@@ -136,19 +136,36 @@
cmpl $PI_BIT, %eax
jne 61f
-90:
movl $(FUTEX_WAIT_REQUEUE_PI|FUTEX_PRIVATE_FLAG), %esi
movl $SYS_futex, %eax
syscall
- movl $1, %r8d
- cmpq $-EAGAIN, %rax
- je 91f
+ cmpl $0, %eax
+ sete %r8b
+
#ifdef __ASSUME_REQUEUE_PI
jmp 62f
#else
- cmpq $-4095, %rax
- jnae 62f
+ je 62f
+
+ /* When a futex syscall with FUTEX_WAIT_REQUEUE_PI returns
+ successfully, it has already locked the mutex for us and the
+ pi_flag (%r8b) is set to denote that fact. However, if another
+ thread changed the futex value before we entered the wait, the
+ syscall may return an EAGAIN and the mutex is not locked. We go
+ ahead with a success anyway since later we look at the pi_flag to
+ decide if we got the mutex or not. The sequence numbers then make
+ sure that only one of the threads actually wake up. We retry using
+ normal FUTEX_WAIT only if the kernel returned ENOSYS, since normal
+ and PI futexes don't mix.
+
+ Note that we don't check for EAGAIN specifically; we assume that the
+ only other error the futex function could return is EAGAIN since
+ anything else would mean an error in our function. It is too
+ expensive to do that check for every call (which is quite common in
+ case of a large number of threads), so it has been skipped. */
+ cmpl $-ENOSYS, %eax
+ jne 62f
# ifndef __ASSUME_PRIVATE_FUTEX
movl $FUTEX_WAIT, %esi
@@ -161,7 +178,7 @@
#else
orl %fs:PRIVATE_FUTEX, %esi
#endif
-60: xorl %r8d, %r8d
+60: xorb %r8b, %r8b
movl $SYS_futex, %eax
syscall
@@ -191,10 +208,10 @@
jne 16f
cmpq 24(%rsp), %r9
- jbe 8b
+ jbe 19f
cmpq %rax, %r9
- jna 8b
+ jna 19f
incq woken_seq(%rdi)
@@ -236,7 +253,7 @@
/* If requeue_pi is used the kernel performs the locking of the
mutex. */
11: movq 16(%rsp), %rdi
- testl %r8d, %r8d
+ testb %r8b, %r8b
jnz 18f
callq __pthread_mutex_cond_lock
@@ -253,6 +270,23 @@
xorl %eax, %eax
jmp 14b
+ /* We need to go back to futex_wait. If we're using requeue_pi, then
+ release the mutex we had acquired and go back. */
+19: testb %r8b, %r8b
+ jz 8b
+
+ /* Adjust the mutex values first and then unlock it. The unlock
+ should always succeed or else the kernel did not lock the mutex
+ correctly. */
+ movq 16(%rsp), %rdi
+ callq __pthread_mutex_cond_lock_adjust
+ movq %rdi, %r8
+ xorl %esi, %esi
+ callq __pthread_mutex_unlock_usercnt
+ /* Reload cond_var. */
+ movq 8(%rsp), %rdi
+ jmp 8b
+
/* Initial locking failed. */
1:
#if cond_lock != 0
@@ -331,72 +365,6 @@
13: movq %r10, %rax
jmp 14b
-91:
-.LcleanupSTART2:
- /* FUTEX_WAIT_REQUEUE_PI returned EAGAIN. We need to
- call it again. */
- movq 8(%rsp), %rdi
-
- /* Get internal lock. */
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if cond_lock == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, cond_lock(%rdi)
-#endif
- jz 92f
-
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_lock_wait
-#if cond_lock != 0
- subq $cond_lock, %rdi
-#endif
-92:
- /* Increment the cond_futex value again, so it can be used as a new
- expected value. */
- incl cond_futex(%rdi)
- movl cond_futex(%rdi), %edx
-
- /* Increment total_seq to ensure we do not lose wakeups. */
- incq total_seq(%rdi)
-
- /* Release internal lock. */
- LOCK
-#if cond_lock == 0
- decl (%rdi)
-#else
- decl cond_lock(%rdi)
-#endif
- jz 93f
-
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- /* The call preserves %rdx. */
- callq __lll_unlock_wake
-#if cond_lock != 0
- subq $cond_lock, %rdi
-#endif
-93:
- /* Set the rest of SYS_futex args for FUTEX_WAIT_REQUEUE_PI. */
- xorq %r10, %r10
- mov dep_mutex(%rdi), %R8_LP
- leaq cond_futex(%rdi), %rdi
- jmp 90b
-.LcleanupEND2:
-
.size __pthread_cond_wait, .-__pthread_cond_wait
versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait,
GLIBC_2_3_2)
@@ -550,10 +518,6 @@
.uleb128 .LcleanupEND-.LcleanupSTART
.uleb128 __condvar_cleanup1-.LSTARTCODE
.uleb128 0
- .uleb128 .LcleanupSTART2-.LSTARTCODE
- .uleb128 .LcleanupEND2-.LcleanupSTART2
- .uleb128 __condvar_cleanup1-.LSTARTCODE
- .uleb128 0
.uleb128 .LcallUR-.LSTARTCODE
.uleb128 .LENDCODE-.LcallUR
.uleb128 0
--- /dev/null
+++ b/nptl/tst-cond24.c
@@ -0,0 +1,249 @@
+/* Verify that condition variables synchronized by PI mutexes don't hang.
+ Copyright (C) 2012 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+#include <sys/time.h>
+#include <time.h>
+
+#define THREADS_NUM 5
+#define MAXITER 50000
+
+static pthread_mutex_t mutex;
+static pthread_mutexattr_t mutex_attr;
+static pthread_cond_t cond;
+static pthread_t threads[THREADS_NUM];
+static int pending = 0;
+
+typedef void * (*threadfunc) (void *);
+
+void *
+thread_fun_timed (void *arg)
+{
+ int *ret = arg;
+ int rv, i;
+
+ printf ("Started thread_fun_timed[%d]\n", *ret);
+
+ for (i = 0; i < MAXITER / THREADS_NUM; i++)
+ {
+ rv = pthread_mutex_lock (&mutex);
+ if (rv)
+ {
+ printf ("pthread_mutex_lock: %s(%d)\n", strerror (rv), rv);
+ *ret = 1;
+ goto out;
+ }
+
+ while (!pending)
+ {
+ struct timespec ts;
+ clock_gettime(CLOCK_REALTIME, &ts);
+ ts.tv_sec += 20;
+ rv = pthread_cond_timedwait (&cond, &mutex, &ts);
+
+ /* There should be no timeout either. */
+ if (rv)
+ {
+ printf ("pthread_cond_wait: %s(%d)\n", strerror (rv), rv);
+ *ret = 1;
+ goto out;
+ }
+ }
+
+ pending--;
+
+ rv = pthread_mutex_unlock (&mutex);
+ if (rv)
+ {
+ printf ("pthread_mutex_unlock: %s(%d)\n", strerror (rv), rv);
+ *ret = 1;
+ goto out;
+ }
+ }
+
+ *ret = 0;
+
+out:
+ return ret;
+}
+
+void *
+thread_fun (void *arg)
+{
+ int *ret = arg;
+ int rv, i;
+
+ printf ("Started thread_fun[%d]\n", *ret);
+
+ for (i = 0; i < MAXITER / THREADS_NUM; i++)
+ {
+ rv = pthread_mutex_lock (&mutex);
+ if (rv)
+ {
+ printf ("pthread_mutex_lock: %s(%d)\n", strerror (rv), rv);
+ *ret = 1;
+ goto out;
+ }
+
+ while (!pending)
+ {
+ rv = pthread_cond_wait (&cond, &mutex);
+
+ if (rv)
+ {
+ printf ("pthread_cond_wait: %s(%d)\n", strerror (rv), rv);
+ *ret = 1;
+ goto out;
+ }
+ }
+
+ pending--;
+
+ rv = pthread_mutex_unlock (&mutex);
+ if (rv)
+ {
+ printf ("pthread_mutex_unlock: %s(%d)\n", strerror (rv), rv);
+ *ret = 1;
+ goto out;
+ }
+ }
+
+ *ret = 0;
+
+out:
+ return ret;
+}
+
+static int
+do_test_wait (threadfunc f)
+{
+ int i;
+ int rv;
+ int counter = 0;
+ int retval[THREADS_NUM];
+
+ puts ("Starting test");
+
+ rv = pthread_mutexattr_init (&mutex_attr);
+ if (rv)
+ {
+ printf ("pthread_mutexattr_init: %s(%d)\n", strerror (rv), rv);
+ return 1;
+ }
+
+ rv = pthread_mutexattr_setprotocol (&mutex_attr, PTHREAD_PRIO_INHERIT);
+ if (rv)
+ {
+ printf ("pthread_mutexattr_setprotocol: %s(%d)\n", strerror (rv), rv);
+ return 1;
+ }
+
+ rv = pthread_mutex_init (&mutex, &mutex_attr);
+ if (rv)
+ {
+ printf ("pthread_mutex_init: %s(%d)\n", strerror (rv), rv);
+ return 1;
+ }
+
+ rv = pthread_cond_init (&cond, NULL);
+ if (rv)
+ {
+ printf ("pthread_cond_init: %s(%d)\n", strerror (rv), rv);
+ return 1;
+ }
+
+ for (i = 0; i < THREADS_NUM; i++)
+ {
+ retval[i] = i;
+ rv = pthread_create (&threads[i], NULL, f, &retval[i]);
+ if (rv)
+ {
+ printf ("pthread_create: %s(%d)\n", strerror (rv), rv);
+ return 1;
+ }
+ }
+
+ for (; counter < MAXITER; counter++)
+ {
+ rv = pthread_mutex_lock (&mutex);
+ if (rv)
+ {
+ printf ("pthread_mutex_lock: %s(%d)\n", strerror (rv), rv);
+ return 1;
+ }
+
+ if (!(counter % 100))
+ printf ("counter: %d\n", counter);
+ pending += 1;
+
+ rv = pthread_cond_signal (&cond);
+ if (rv)
+ {
+ printf ("pthread_cond_signal: %s(%d)\n", strerror (rv), rv);
+ return 1;
+ }
+
+ rv = pthread_mutex_unlock (&mutex);
+ if (rv)
+ {
+ printf ("pthread_mutex_unlock: %s(%d)\n", strerror (rv), rv);
+ return 1;
+ }
+ }
+
+ for (i = 0; i < THREADS_NUM; i++)
+ {
+ void *ret;
+ rv = pthread_join (threads[i], &ret);
+ if (rv)
+ {
+ printf ("pthread_join: %s(%d)\n", strerror (rv), rv);
+ return 1;
+ }
+ if (ret && *(int *)ret)
+ {
+ printf ("Thread %d returned with an error\n", i);
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static int
+do_test (void)
+{
+ puts ("Testing pthread_cond_wait");
+ int ret = do_test_wait (thread_fun);
+ if (ret)
+ return ret;
+
+ puts ("Testing pthread_cond_timedwait");
+ return do_test_wait (thread_fun_timed);
+}
+
+#define TIMEOUT 10
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,22 @@
+2012-10-05 Siddhesh Poyarekar <siddhesh@redhat.com>
+
+ [BZ #14417]
+ * Makefile (tests): New test case tst-cond24.
+ (LDFLAGS-tst-cond24): Link tst-cond24 against librt.
+ * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S
+ (__pthread_cond_timedwait): Unlock mutex before going back to
+ wait in PI case.
+ * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S
+ (__pthread_cond_wait): Likewise. Revert handling of EAGAIN
+ return from futex_wait.
+ * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+ (__pthread_cond_timedwait): Unlock mutex before going back to
+ wait in PI case. Set requeue_pi flag only if wait returned 0.
+ * sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
+ (__pthread_cond_wait): Likewise. Revert handling of EAGAIN
+ return from futex_wait.
+ * tst-cond24.c: New test case.
+
2012-06-23 Thomas Schwinge <thomas@codesourcery.com>
* sysdeps/unix/sysv/linux/sh/lowlevelrobustlock.S
--- End Message ---
--- Begin Message ---
Source: eglibc
Source-Version: 2.17-0experimental0
We believe that the bug you reported is fixed in the latest version of
eglibc, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to 694962@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Adam Conrad <adconrad@0c3.net> (supplier of updated eglibc package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@debian.org)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.8
Date: Sun, 27 Jan 2013 23:33:32 -0700
Source: eglibc
Binary: libc-bin libc-dev-bin glibc-doc eglibc-source locales locales-all nscd multiarch-support libc6 libc6-dev libc6-dbg libc6-prof libc6-pic libc6-udeb libc6.1 libc6.1-dev libc6.1-dbg libc6.1-prof libc6.1-pic libc6.1-udeb libc0.3 libc0.3-dev libc0.3-dbg libc0.3-prof libc0.3-pic libc0.3-udeb libc0.1 libc0.1-dev libc0.1-dbg libc0.1-prof libc0.1-pic libc0.1-udeb libc6-i386 libc6-dev-i386 libc6-sparc64 libc6-dev-sparc64 libc6-s390 libc6-dev-s390 libc6-s390x libc6-dev-s390x libc6-amd64 libc6-dev-amd64 libc6-powerpc libc6-dev-powerpc libc6-ppc64 libc6-dev-ppc64 libc6-mipsn32 libc6-dev-mipsn32 libc6-mips64 libc6-dev-mips64 libc6-armhf libc6-dev-armhf libc6-armel libc6-dev-armel libc0.1-i386 libc0.1-dev-i386 libc6-x32 libc6-dev-x32 libc6-i686 libc6-xen libc0.1-i686 libc0.3-i686 libc0.3-xen libc6.1-alphaev67 libc6-loongson2f libnss-dns-udeb libnss-files-udeb
Architecture: all amd64 source
Version: 2.17-0experimental0
Distribution: experimental
Urgency: low
Maintainer: GNU Libc Maintainers <debian-glibc@lists.debian.org>
Changed-By: Adam Conrad <adconrad@0c3.net>
Closes: 694962
Launchpad-Bugs-Fixed: 929565 1088677
Description:
eglibc-source - Embedded GNU C Library: sources
glibc-doc - Embedded GNU C Library: Documentation
libc0.1-dbg - Embedded GNU C Library: detached debugging symbols
libc0.1-dev - Embedded GNU C Library: Development Libraries and Header Files
libc0.1-dev-i386 - Embedded GNU C Library: 32bit development libraries for AMD64
libc0.1 - Embedded GNU C Library: Shared libraries
libc0.1-i386 - Embedded GNU C Library: 32bit shared libraries for AMD64
libc0.1-i686 - Embedded GNU C Library: Shared libraries [i686 optimized]
libc0.1-pic - Embedded GNU C Library: PIC archive library
libc0.1-prof - Embedded GNU C Library: Profiling Libraries
libc0.1-udeb - Embedded GNU C Library: Shared libraries - udeb (udeb)
libc0.3-dbg - Embedded GNU C Library: detached debugging symbols
libc0.3-dev - Embedded GNU C Library: Development Libraries and Header Files
libc0.3 - Embedded GNU C Library: Shared libraries
libc0.3-i686 - Embedded GNU C Library: Shared libraries [i686 optimized]
libc0.3-pic - Embedded GNU C Library: PIC archive library
libc0.3-prof - Embedded GNU C Library: Profiling Libraries
libc0.3-udeb - Embedded GNU C Library: Shared libraries - udeb (udeb)
libc0.3-xen - Embedded GNU C Library: Shared libraries [Xen version]
libc6.1-alphaev67 - Embedded GNU C Library: Shared libraries (EV67 optimized)
libc6.1-dbg - Embedded GNU C Library: detached debugging symbols
libc6.1-dev - Embedded GNU C Library: Development Libraries and Header Files
libc6.1 - Embedded GNU C Library: Shared libraries
libc6.1-pic - Embedded GNU C Library: PIC archive library
libc6.1-prof - Embedded GNU C Library: Profiling Libraries
libc6.1-udeb - Embedded GNU C Library: Shared libraries - udeb (udeb)
libc6-amd64 - Embedded GNU C Library: 64bit Shared libraries for AMD64
libc6-armel - Embedded GNU C Library: ARM softfp shared libraries for armhf
libc6-armhf - Embedded GNU C Library: ARM hard float shared libraries for armel
libc6-dbg - Embedded GNU C Library: detached debugging symbols
libc6-dev-amd64 - Embedded GNU C Library: 64bit Development Libraries for AMD64
libc6-dev-armel - Embedded GNU C Library: ARM softfp development libraries for armh
libc6-dev-armhf - Embedded GNU C Library: ARM hard float development libraries for
libc6-dev - Embedded GNU C Library: Development Libraries and Header Files
libc6-dev-i386 - Embedded GNU C Library: 32-bit development libraries for AMD64
libc6-dev-mips64 - Embedded GNU C Library: 64bit Development Libraries for MIPS64
libc6-dev-mipsn32 - Embedded GNU C Library: n32 Development Libraries for MIPS64
libc6-dev-powerpc - Embedded GNU C Library: 32bit powerpc development libraries for p
libc6-dev-ppc64 - Embedded GNU C Library: 64bit Development Libraries for PowerPC64
libc6-dev-s390 - Embedded GNU C Library: 32bit Development Libraries for IBM zSeri
libc6-dev-s390x - Embedded GNU C Library: 64bit Development Libraries for IBM zSeri
libc6-dev-sparc64 - Embedded GNU C Library: 64bit Development Libraries for UltraSPAR
libc6-dev-x32 - Embedded GNU C Library: X32 ABI Development Libraries for AMD64
libc6 - Embedded GNU C Library: Shared libraries
libc6-i386 - Embedded GNU C Library: 32-bit shared libraries for AMD64
libc6-i686 - Embedded GNU C Library: Shared libraries [i686 optimized]
libc6-loongson2f - Embedded GNU C Library: Shared libraries (Loongson 2F optimized)
libc6-mips64 - Embedded GNU C Library: 64bit Shared libraries for MIPS64
libc6-mipsn32 - Embedded GNU C Library: n32 Shared libraries for MIPS64
libc6-pic - Embedded GNU C Library: PIC archive library
libc6-powerpc - Embedded GNU C Library: 32bit powerpc shared libraries for ppc64
libc6-ppc64 - Embedded GNU C Library: 64bit Shared libraries for PowerPC64
libc6-prof - Embedded GNU C Library: Profiling Libraries
libc6-s390 - Embedded GNU C Library: 32bit Shared libraries for IBM zSeries
libc6-s390x - Embedded GNU C Library: 64bit Shared libraries for IBM zSeries
libc6-sparc64 - Embedded GNU C Library: 64bit Shared libraries for UltraSPARC
libc6-udeb - Embedded GNU C Library: Shared libraries - udeb (udeb)
libc6-x32 - Embedded GNU C Library: X32 ABI Shared libraries for AMD64
libc6-xen - Embedded GNU C Library: Shared libraries [Xen version]
libc-bin - Embedded GNU C Library: Binaries
libc-dev-bin - Embedded GNU C Library: Development binaries
libnss-dns-udeb - Embedded GNU C Library: NSS helper for DNS - udeb (udeb)
libnss-files-udeb - Embedded GNU C Library: NSS helper for files - udeb (udeb)
locales-all - Embedded GNU C Library: Precompiled locale data
locales - Embedded GNU C Library: National Language (locale) data [support]
multiarch-support - Transitional package to ensure multiarch compatibility
nscd - Embedded GNU C Library: Name Service Cache Daemon
Changes:
eglibc (2.17-0experimental0) experimental; urgency=low
.
[ Adam Conrad ]
* New upstream release: version 2.17, orig tarball built at SVN r22169:
- Restricts ld.so self-loading checks to normal mode (LP: #1088677)
- debian/rules.d/tarball.mk: ports is no longer external to libc.
- debian/*: Update all 2.16 occurences to 2.17 for upgrades/deps.
- patches/localedata/supported.diff: Rebased against new upstream.
- patches/localedata/locale-ia.diff: Dropped, merged upstream.
- patches/localedata/submitted-es_MX-decimal_point.diff: Rebased.
- patches/amd64/local-pthread_cond_wait.diff: Dropped, fixed upstream.
- patches/i386/local-pthread_cond_wait.diff: Dropped (closes: #694962)
- patches/arm64/cvs-ldconfig-cache-abi.diff: Dropped, merged upstream.
- patches/arm64/submitted-aarch64-support.diff: Merged upstream.
- patches/arm/cvs-ldconfig-cache-abi.diff: Dropped, merged upstream.
- patches/arm/local-atomic.diff: Dropped, fixed differently upstream.
- patches/arm/unsubmitted-armhf-linker.diff: Dropped, not needed.
- patches/arm/unsubmitted-ldconfig-cache-abi.diff: Rewritten slightly.
- patches/hppa/submitted-nptl-carlos.diff: Rebased against upstream.
- patches/hppa/local-stack-grows-up.diff: Rebased against upstream.
- patches/hurd-i386/local-enable-ldconfig.diff: dl-cache.c dropped.
- patches/hurd-i386/tg-tls.diff: Rebase and drop powerpc support.
- patches/hurd-i386/tg-regenerate_errno.h.diff: Merged upstream.
- patches/hurd-i386/tg-extern_inline.diff: Drop powerpc support.
- patches/hurd-i386/tg-elfosabi_gnu.diff: Drop powerpc support.
- patches/hurd-i386/tg-grantpt.diff: Rebased against new upstream.
- patches/hurd-i386/unsubmitted-pthread_posix-option.diff: Rebased.
- patches/hurd-i386/submitted-getgroups.diff: Dropped, merged upstream.
- patches/hurd-i386/submitted-getlogin_r.diff: Dropped, fixed upstream.
- patches/hurd-i386/submitted-ptsname.diff: Dropped, merged upstream.
- patches/hurd-i386/submitted-sendto.diff: Dropped, fixed upstream.
- patches/hurd-i386/cvs-add-missing-includes.diff: Merged upstream.
- patches/hurd-i386/cvs-mach-check-local-headers.sh.diff: Merged.
- patches/hurd-i386/cvs-lremovexattr.diff: Dropped, merged upstream.
- patches/hurd-i386/cvs-renameat.diff: Dropped, merged upstream.
- patches/hurd-i386/cvs-mknodat.diff: Dropped, merged upstream.
- patches/hurd-i386/cvs-llistxattr.diff: Dropped, merged upstream.
- patches/i386/submitted-i686-timing.diff: Rebase, and fix a bug that
was excluding dl-caller.c from shared-only-routines for rtld builds.
- patches/m68k/cvs-syscall-arguments.diff: Dropped, merged upstream.
- patches/powerpc/local-math-logb.diff: Rebased against new upstream.
- patches/all/unsubmitted-autoconfupdate.diff: Dropped, not needed.
- patches/any/local-bindresvport_blacklist.diff: Rebase with upstream.
- patches/any/local-ldso-disable-hwcap.diff: Rebased against upstream.
- patches/any/local-libgcc-compat-ports.diff: Rebased against upstream.
- patches/any/local-nss-upgrade.diff: Rebased against new upstream.
- patches/any/local-o_cloexec.diff: Rebased against new upstream.
- patches/any/local-rtld.diff: Rebased against new upstream.
- patches/any/submitted-popen.diff: Dropped, finally merged upstream.
- patches/any/submitted-accept4-hidden.diff: Dropped, merged upstream.
- patches/any/submitted-bits-fcntl_h-at.diff: Rebased against upstream.
- patches/any/local-gai-rfc1918-scope-global.patch: Merged upstream.
- patches/any/submitted-resolv-assert.diff: Dropped, merged upstream.
- patches/any/local-revert-fclose-posix2008.diff: Reverted upstream.
- patches/any/local-sunrpc-dos.diff: Dropped, different fix upstream.
- patches/any/cvs-cxxheaders-detection[123].diff: Merged upstream.
* debian/patches/powerpc/submitted-UAPI_ASM_POWERPC_ELF.diff: Remove,
as this has been fixed in the 3.7 release and 3.8 kernel headers.
* debian/sysdeps/{amd64,i386}.mk: Fix rtlddir for x32 alternate builds.
* debian/sysdeps/{armel,armhf}.mk: Merge multilib configs from Ubuntu.
* debian/debhelper.in/libc.preinst: Fix preinst kernel check to match
the reality that we need >= 2.6.32, as found in squeeze/lucid/RHEL6.
* debian/rules: Fix EGLIBC_VERSION epoch parsing breakage (LP: #929565)
* debian/patches/any/cvs-tst-array-as-needed.diff: Fix tst-array2 and
tst-array5 to build with --no-as-needed to prevent test regressions.
* debian/patches/any/unsubmitted-ldso-machine-mismatch.diff: Skip past
libraries that are built for other machines, rather than erroring.
* debian/patches/i386/unsubmitted-quiet-ldconfig.diff: Fix ldconfig on
x86 to stop complaining so loudly about wrong-arch libraries on path.
* debian/{rules.d/build.mk,sysdeps/hurd*}: When the threads variable is
not set to "yes", add --disable-nscd to the main configure options.
* debian/patches/any/cvs-use-glibc-wchar.diff: Switch from the eglibc
implementation of wchar.h to the cleaner glibc-2.18 implementation.
* debian/patches/arm/local-eabi-wchar.diff: Dropped, no longer needed.
* debian/patches/any/local-tst-dir-overlayfs.diff: Apply dirty hack to
skip tst-dir on overlayfs, as it currently fails (see: LP #1107492)
* debian/patches/svn-updates.diff: Bring svn-updates to revision 22169.
.
[ Matthias Klose ]
* debian/{rules,rules.d/control.mk,control.in/libc}: Allow turning off
libc-prof arbitrarily, and disable it for arm64, which lacks support.
* debian/rules.d/build.mk: Fix armhf multilib with WITH_BUILD_SYSROOT.
.
[ Steve McIntyre ]
* debian/patches/arm/unsubmitted-ldso-multilib.diff: Stop ld.so from
exiting prematurely when it encounters wrong-float ABI libraries.
.
[ Pino Toscano ]
* Rebase/remove hurd-i386 patches against the new upstream version:
- patches/hurd-i386/tg-ptrmangle.diff: Remove, obsolete.
- patches/hurd-i386/tg-check_native.diff: Remove, obsolete.
- patches/hurd-i386/submitted-regex_internal.diff: Fixed upstream.
- patches/hurd-i386/local-disable-sendmmsg.diff: Fixed upstream.
- patches/hurd-i386/unsubmitted-pthread.diff: Drop, obsolete.
- patches/hurd-i386/unsubmitted-mremap.diff: Rebased for new upstream.
* debian/patches/hurd-i386/local-disable-tst-xmmymm.diff: Disable test.
* Update expected-results-i486-gnu-libc, expected-results-i686-gnu-i386,
expected-results-i686-gnu-i686, expected-results-i686-gnu-xen.
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