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From: <js...@ac...> - 2007-10-02 14:00:21
|
Nightly build on minnie ( SuSE 10.0, ppc32 ) started at 2007-10-02 09:00:01 BST Results unchanged from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 220 tests, 10 stderr failures, 6 stdout failures, 0 posttest failures == memcheck/tests/leak-tree (stderr) memcheck/tests/leakotron (stdout) memcheck/tests/pointer-trace (stderr) memcheck/tests/stack_changes (stderr) memcheck/tests/xml1 (stderr) none/tests/faultstatus (stderr) none/tests/fdleak_cmsg (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) none/tests/ppc32/jm-fp (stdout) none/tests/ppc32/jm-fp (stderr) none/tests/ppc32/round (stdout) none/tests/ppc32/round (stderr) none/tests/ppc32/test_fx (stdout) none/tests/ppc32/test_fx (stderr) none/tests/ppc32/test_gx (stdout) |
|
From: <sv...@va...> - 2007-10-02 09:40:23
|
Author: sewardj
Date: 2007-10-02 10:40:23 +0100 (Tue, 02 Oct 2007)
New Revision: 6930
Log:
More suppressions.
Modified:
branches/THRCHECK/glibc-2.X-thrcheck.supp
Modified: branches/THRCHECK/glibc-2.X-thrcheck.supp
===================================================================
--- branches/THRCHECK/glibc-2.X-thrcheck.supp 2007-10-02 08:10:04 UTC (rev 6929)
+++ branches/THRCHECK/glibc-2.X-thrcheck.supp 2007-10-02 09:40:23 UTC (rev 6930)
@@ -168,6 +168,12 @@
Thrcheck:Race
fun:pthread_cond_signal@@GLIBC_2.3.2
}
+{
+ thrcheck-glibc2X-condsig-2
+ Thrcheck:Race
+ fun:__lll_mutex_unlock_wake
+ fun:pthread_cond_signal@@GLIBC_2.3.2
+}
###--- pthread_cond_broadcast ---###
# ditto
@@ -190,6 +196,18 @@
#z fun:pthread_cond_wait@@GLIBC_*
#z fun:pthread_cond_wait*
#z}
+{
+ thrcheck-glibc2X-pthcondwait-3
+ Thrcheck:Race
+ fun:__pthread_mutex*lock*
+ fun:pthread_cond_wait@@GLIBC_2.3.2
+}
+{
+ thrcheck-glibc2X-pthcondwait-4
+ Thrcheck:Race
+ fun:__lll_mutex_unlock_wake
+ fun:pthread_cond_wait@@GLIBC_2.3.2
+}
###--- pthread_cond_destroy ---###
# ditto
@@ -236,14 +254,14 @@
fun:_L_mutex_unlock_*
fun:__pthread_mutex_unlock_usercnt
}
+{
+ thrcheck-glibc2X-libpthread-3
+ Thrcheck:Race
+ fun:__lll_mutex_lock_wait
+ fun:_L_mutex_lock_*
+ fun:start_thread
+}
#z{
-#z thrcheck-glibc2X-libpthread-3
-#z Thrcheck:Race
-#z fun:__lll_mutex_lock_wait
-#z fun:_L_mutex_lock_*
-#z fun:start_thread
-#z}
-#z{
#z thrcheck-glibc2X-libpthread-4
#z Thrcheck:Race
#z fun:__lll_mutex_lock_wait
|
|
From: <sv...@va...> - 2007-10-02 08:10:04
|
Author: sewardj
Date: 2007-10-02 09:10:04 +0100 (Tue, 02 Oct 2007)
New Revision: 6929
Log:
Rewrite happens_before_do_dfs_from_to to use an explicit stack rather
than recursion. This fixes sporadic segfaults resulting from stack
overflow when running Qt4 tests examples/threads/semaphores and
examples/threads/waitconditions.
Modified:
branches/THRCHECK/thrcheck/tc_main.c
Modified: branches/THRCHECK/thrcheck/tc_main.c
===================================================================
--- branches/THRCHECK/thrcheck/tc_main.c 2007-10-01 10:33:41 UTC (rev 6928)
+++ branches/THRCHECK/thrcheck/tc_main.c 2007-10-02 08:10:04 UTC (rev 6929)
@@ -46,6 +46,7 @@
#include "pub_tool_replacemalloc.h"
#include "pub_tool_machine.h"
#include "pub_tool_options.h"
+#include "pub_tool_xarray.h"
#include "thrcheck.h"
@@ -1231,62 +1232,97 @@
static UWord stats__hbefore_gsearches = 0; // # searches in graph
static UWord stats__hbefore_gsearchFs = 0; // # fast searches in graph
static UWord stats__hbefore_invals = 0; // # cache invals
+static UWord stats__hbefore_stk_hwm = 0; // stack high water mark
/* Running marker for depth-first searches */
/* NOTE: global variable */
static UInt dfsver_current = 0;
+/* A stack of possibly-unexplored nodes used in the depth first search */
+/* NOTE: global variable */
+static XArray* dfsver_stack = NULL;
+
// FIXME: check this - is it really correct?
-static Bool happens_before_do_dfs_from_to ( Segment* here, Segment* dst )
+static Bool happens_before_do_dfs_from_to ( Segment* src, Segment* dst )
{
- /* begin SPEEDUP HACK */
+ Segment* here;
+ Word ssz;
+
+ /* begin SPEEDUP HACK -- the following can safely be omitted */
/* fast track common case, without favouring either the
->prev or ->other links */
- tl_assert(here);
+ tl_assert(src);
tl_assert(dst);
- if ((here->prev && here->prev == dst)
- || (here->other && here->other == dst)) {
+ if ((src->prev && src->prev == dst)
+ || (src->other && src->other == dst)) {
stats__hbefore_gsearchFs++;
return True;
}
/* end SPEEDUP HACK */
- again:
- tl_assert(here);
- tl_assert(dst);
- if (here == dst)
- return True;
- tl_assert(here->dfsver <= dfsver_current);
- if (here->dfsver == dfsver_current)
- return False; /* We've been here before */
- /* Mark that we've been here */
- here->dfsver = dfsver_current;
- /* See if we can get to 'dst' via either of our two links */
- /* Avoiding recursion if possible */
- /* begin SPEEDUP hack -- the following can safely be omitted */
- if (here->prev && !here->other) {
- here = here->prev;
- goto again;
+ /* empty out the stack */
+ tl_assert(dfsver_stack);
+ VG_(dropTailXA)( dfsver_stack, VG_(sizeXA)( dfsver_stack ));
+ tl_assert(VG_(sizeXA)( dfsver_stack ) == 0);
+
+ /* push starting point */
+ (void) VG_(addToXA)( dfsver_stack, &src );
+
+ while (True) {
+ /* While the stack is not empty, pop the next node off it and
+ consider. */
+ ssz = VG_(sizeXA)( dfsver_stack );
+ tl_assert(ssz >= 0);
+ if (ssz == 0)
+ return False; /* stack empty ==> no path from src to dst */
+
+ if (UNLIKELY( ((UWord)ssz) > stats__hbefore_stk_hwm ))
+ stats__hbefore_stk_hwm = (UWord)ssz;
+
+ /* here = pop(stack) */
+ here = *(Segment**) VG_(indexXA)( dfsver_stack, ssz-1 );
+ VG_(dropTailXA)( dfsver_stack, 1 );
+
+ again:
+ /* consider the node 'here' */
+ if (here == dst)
+ return True; /* found a path from src and dst */
+
+ /* have we been to 'here' before? */
+ tl_assert(here->dfsver <= dfsver_current);
+ if (here->dfsver == dfsver_current)
+ continue; /* We've been 'here' before - node is not interesting*/
+
+ /* Mark that we've been here */
+ here->dfsver = dfsver_current;
+
+ /* Now push both children on the stack */
+
+ /* begin SPEEDUP hack -- the following can safely be omitted */
+ /* idea is, if there is exactly one child, avoid the overhead of
+ pushing it on the stack and immediately popping it off again.
+ Kinda like doing a tail-call. */
+ if (here->prev && !here->other) {
+ here = here->prev;
+ goto again;
+ }
+ if (here->other && !here->prev) {
+ here = here->other;
+ goto again;
+ }
+ /* end of SPEEDUP HACK */
+
+ /* Push all available children on stack. From some quick
+ experimentation it seems like exploring ->other first leads
+ to lower maximum stack use, although getting repeatable
+ results is difficult. */
+ if (here->prev)
+ (void) VG_(addToXA)( dfsver_stack, &(here->prev) );
+ if (here->other)
+ (void) VG_(addToXA)( dfsver_stack, &(here->other) );
}
- if (here->other && !here->prev) {
- here = here->other;
- goto again;
- }
- /* end of SPEEDUP HACK */
- /* GENERAL CASE -- recurse */
- if (here->other) {
- if (happens_before_do_dfs_from_to(here->other, dst))
- return True;
- }
- if (here->prev) {
- if (happens_before_do_dfs_from_to(here->prev, dst))
- return True;
- }
- return False;
}
-// FIXME: cache the results of the last few queries and hand
-// them out as appropriate
static Bool happens_before_wrk ( SegmentID segid1, SegmentID segid2 )
{
Bool reachable;
@@ -1309,6 +1345,12 @@
.prev and .other fields, that leads from seg2 back to seg1 ? */
tl_assert(dfsver_current < 0xFFFFFFFF);
dfsver_current++;
+
+ if (dfsver_stack == NULL) {
+ dfsver_stack = VG_(newXA)( tc_zalloc, tc_free, sizeof(Segment*) );
+ tl_assert(dfsver_stack);
+ }
+
reachable = happens_before_do_dfs_from_to( seg2, seg1 );
if (0)
@@ -5298,8 +5340,11 @@
VG_(printf)(" hbefore: %10lu graph searches\n", stats__hbefore_gsearches);
VG_(printf)(" hbefore: %10lu of which slow\n",
stats__hbefore_gsearches - stats__hbefore_gsearchFs);
+ VG_(printf)(" hbefore: %10lu stack high water mark\n",
+ stats__hbefore_stk_hwm);
VG_(printf)(" hbefore: %10lu cache invals\n", stats__hbefore_invals);
VG_(printf)(" hbefore: %10lu probes\n", stats__hbefore_probes);
+
VG_(printf)("\n");
VG_(printf)("segments: %10lu Segment objects allocated\n",
stats__mk_Segment);
|
|
From: Tom H. <th...@cy...> - 2007-10-02 02:30:57
|
Nightly build on alvis ( i686, Red Hat 7.3 ) started at 2007-10-02 03:15:02 BST Results unchanged from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 256 tests, 27 stderr failures, 1 stdout failure, 0 posttest failures == memcheck/tests/addressable (stderr) memcheck/tests/badjump (stderr) memcheck/tests/describe-block (stderr) memcheck/tests/erringfds (stderr) memcheck/tests/leak-0 (stderr) memcheck/tests/leak-cycle (stderr) memcheck/tests/leak-pool-0 (stderr) memcheck/tests/leak-pool-1 (stderr) memcheck/tests/leak-pool-2 (stderr) memcheck/tests/leak-pool-3 (stderr) memcheck/tests/leak-pool-4 (stderr) memcheck/tests/leak-pool-5 (stderr) memcheck/tests/leak-regroot (stderr) memcheck/tests/leak-tree (stderr) memcheck/tests/long_namespace_xml (stderr) memcheck/tests/match-overrun (stderr) memcheck/tests/partial_load_dflt (stderr) memcheck/tests/partial_load_ok (stderr) memcheck/tests/partiallydefinedeq (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/sigkill (stderr) memcheck/tests/stack_changes (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/x86/scalar_supp (stderr) memcheck/tests/x86/xor-undef-x86 (stderr) memcheck/tests/xml1 (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) |
|
From: Tom H. <th...@cy...> - 2007-10-02 02:23:27
|
Nightly build on dellow ( x86_64, Fedora 7 ) started at 2007-10-02 03:10:05 BST Results differ from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 293 tests, 4 stderr failures, 3 stdout failures, 0 posttest failures == memcheck/tests/pointer-trace (stderr) memcheck/tests/vcpu_fnfns (stdout) memcheck/tests/x86/scalar (stderr) memcheck/tests/xml1 (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) none/tests/pth_cvsimple (stdout) ================================================= == Results from 24 hours ago == ================================================= Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 293 tests, 4 stderr failures, 2 stdout failures, 0 posttest failures == memcheck/tests/pointer-trace (stderr) memcheck/tests/vcpu_fnfns (stdout) memcheck/tests/x86/scalar (stderr) memcheck/tests/xml1 (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) ================================================= == Difference between 24 hours ago and now == ================================================= *** old.short Tue Oct 2 03:16:53 2007 --- new.short Tue Oct 2 03:23:29 2007 *************** *** 8,10 **** ! == 293 tests, 4 stderr failures, 2 stdout failures, 0 posttest failures == memcheck/tests/pointer-trace (stderr) --- 8,10 ---- ! == 293 tests, 4 stderr failures, 3 stdout failures, 0 posttest failures == memcheck/tests/pointer-trace (stderr) *************** *** 15,16 **** --- 15,17 ---- none/tests/mremap2 (stdout) + none/tests/pth_cvsimple (stdout) |
|
From: Tom H. <th...@cy...> - 2007-10-02 02:17:57
|
Nightly build on lloyd ( x86_64, Fedora Core 3 ) started at 2007-10-02 03:05:05 BST Results unchanged from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 293 tests, 6 stderr failures, 1 stdout failure, 0 posttest failures == memcheck/tests/pointer-trace (stderr) memcheck/tests/stack_switch (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/x86/scalar_supp (stderr) memcheck/tests/xml1 (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) |
|
From: Tom H. <th...@cy...> - 2007-10-02 02:15:32
|
Nightly build on gill ( x86_64, Fedora Core 2 ) started at 2007-10-02 03:00:03 BST Results unchanged from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 295 tests, 6 stderr failures, 1 stdout failure, 0 posttest failures == memcheck/tests/pointer-trace (stderr) memcheck/tests/stack_switch (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/x86/scalar_supp (stderr) none/tests/fdleak_fcntl (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) |
|
From: <js...@ac...> - 2007-10-02 00:17:28
|
Nightly build on g5 ( SuSE 10.1, ppc970 ) started at 2007-10-02 02:00:01 CEST Results differ from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 228 tests, 6 stderr failures, 2 stdout failures, 0 posttest failures == memcheck/tests/deep_templates (stdout) memcheck/tests/leak-cycle (stderr) memcheck/tests/leak-tree (stderr) memcheck/tests/pointer-trace (stderr) none/tests/faultstatus (stderr) none/tests/fdleak_cmsg (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) ================================================= == Results from 24 hours ago == ================================================= Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 228 tests, 6 stderr failures, 3 stdout failures, 0 posttest failures == memcheck/tests/deep_templates (stdout) memcheck/tests/leak-cycle (stderr) memcheck/tests/leak-tree (stderr) memcheck/tests/pointer-trace (stderr) none/tests/faultstatus (stderr) none/tests/fdleak_cmsg (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) none/tests/res_search (stdout) ================================================= == Difference between 24 hours ago and now == ================================================= *** old.short Tue Oct 2 02:08:55 2007 --- new.short Tue Oct 2 02:17:29 2007 *************** *** 8,10 **** ! == 228 tests, 6 stderr failures, 3 stdout failures, 0 posttest failures == memcheck/tests/deep_templates (stdout) --- 8,10 ---- ! == 228 tests, 6 stderr failures, 2 stdout failures, 0 posttest failures == memcheck/tests/deep_templates (stdout) *************** *** 17,19 **** none/tests/mremap2 (stdout) - none/tests/res_search (stdout) --- 17,18 ---- |