https://bugs.kde.org/show_bug.cgi?id=445743
Alexander Kanavin <alex.kana...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |alex.kana...@gmail.com
--- Comment #9 from Alexander Kanavin <alex.kana...@gmail.com> ---
Yocto project started getting this too with valgrind 3.19.0 on linux:
drd/tests/pth_mutex_signal.stderr.diff
************
--- pth_mutex_signal.stderr.exp 2018-03-09 12:34:56.000000000 +0000
+++ pth_mutex_signal.stderr.out 2022-04-27 07:32:55.310000000 +0000
@@ -6,10 +6,42 @@
signalling
sleeping
nullHandler running
-unlocking
+Thread 2:
+The impossible happened: mutex is locked simultaneously by two threads: mutex
0x........, recursion count 1, owner 1.
+ at 0x........: pthread_mutex_lock (drd_pthread_intercepts.c:?)
+ by 0x........: contender_start (pth_mutex_signal.c:?)
+ by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
+ by 0x........: start_thread
+ by 0x........: clone (in /...libc...)
+mutex 0x........ was first observed at:
+ at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
+ by 0x........: main (pth_mutex_signal.c:?)
+
contender locked mutex
contender unlocking mutex
contender unlocked mutex
+unlocking
+Thread 1:
+Mutex not locked by calling thread: mutex 0x........, recursion count 1, owner
2.
+ at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
+ by 0x........: main (pth_mutex_signal.c:?)
+mutex 0x........ was first observed at:
+ at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
+ by 0x........: main (pth_mutex_signal.c:?)
+
joining thread
+Mutex still locked at thread exit: mutex 0x........, recursion count 1, owner
2.
+ at 0x........: pthread_join (drd_pthread_intercepts.c:?)
+ by 0x........: main (pth_mutex_signal.c:?)
+mutex 0x........ was first observed at:
+ at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
+ by 0x........: main (pth_mutex_signal.c:?)
+
+Destroying locked mutex: mutex 0x........, recursion count 1, owner 0.
+ at 0x........: main (pth_mutex_signal.c:?)
+mutex 0x........ was first observed at:
+ at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
+ by 0x........: main (pth_mutex_signal.c:?)
+
-ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
+ERROR SUMMARY: 4 errors from 4 contexts (suppressed: 0 from 0)
--
You are receiving this mail because:
You are watching all bug changes.
