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From: Nicholas N. <nj...@cs...> - 2007-06-06 23:57:45
|
On Wed, 6 Jun 2007, John Reiser wrote: > dcbt (and dcbtst) is strictly a _hint_ about _performance_ that the > programmer or compiler chooses to give to the hardware. Ah, my mistake. Thanks for the correction. So the good news is that Valgrind is correct and we don't need to change anything :) Nick |
|
From: John R.
|
> Consider the following when using the dcbt instruction: > > * If the EA specifies a direct store segment address, the instruction > is treated as a no-op. > * The access is treated as a load from the addressed cache block with > respect to protection. If protection does not permit access to the > addressed byte, the dcbt instruction performs no operations. Note that there can be *no exceptions* (of any kind) as a result of dcbt and dcbst. Therefore, *any* address is perfectly valid. > Note: > If a program needs to store to the data cache block, use the dcbtst > (Data Cache Block Touch for Store) instruction. > > In other words, it's a prefetch, copying a value from main memory to the > cache. Memcheck should treat it also as a load.o dcbt (and dcbtst) is strictly a _hint_ about _performance_ that the programmer or compiler chooses to give to the hardware. The hardware is free to ignore *all* hints, and some implementations *do* ignore dcbt/dcbtst entirely. dcbt/dcbtst does not alter semantics in *any* way. In contrast, dcbz _does_ alter the semantics. Namely: store zero into the entire cache line (and therefore, logically into memory) without fetching the line from memory. Memcheck (and everything except cachegrind) should treat dcbt and dcbtst as a no-operation. Even if the address is "wild", then there is no change to the output. It might be somewhat slower [or faster, because performance is not necessarily monotonic with caching when there is contention], but that is the only possible effect. -- |
|
From: Paul M. <pa...@sa...> - 2007-06-06 22:56:16
|
Oriol Prat writes: > I'm playing with Valgrind trying to implement a tool for generating > traces of powerpc binaries. > I found that some instructions like dcbst (Data Cache Block Store) or > dcbt (Data Cache Block Touch) are translated to no-op in toIR.c code > file. > I think it's not strictly true because this kind of instructions > sometimes does memory accesses. > > I know that they are neither loads nor stores, but they access to > memory giving bytes to the cache. > > What do you think about? Those instructions don't generate an exception if the memory address isn't mapped or can't be accessed, and they don't cause any transfer of data between registers and/or memory. In other words, they don't affect the architected state of the machine at all. They are just hints and in fact are not required by the architecture specification to do anything at all. So treating them as no-ops is fine. Paul. |
|
From: Nicholas N. <nj...@cs...> - 2007-06-06 22:04:16
|
On Wed, 6 Jun 2007, Oriol Prat wrote: > I'm playing with Valgrind trying to implement a tool for generating > traces of powerpc binaries. > I found that some instructions like dcbst (Data Cache Block Store) or > dcbt (Data Cache Block Touch) are translated to no-op in toIR.c code > file. > I think it's not strictly true because this kind of instructions > sometimes does memory accesses. > > I know that they are neither loads nor stores, but they access to > memory giving bytes to the cache. Hmm, yes. From http://publib.boulder.ibm.com/infocenter/pseries/v5r3/index.jsp?topic=/com.ibm.aix.aixassem/doc/alangref/dcbst.htm : The dcbst instruction causes any modified copy of the block to be copied to main memory. If RA is not 0, the dcbst instruction computes an effective address (EA) by adding the contents of general-purpose register (GPR) RA to the contents of GPR RB. Otherwise, the EA is the contents of RB. If the cache block containing the addressed byte is in the data cache and is modified, the block is copied to main memory. The dcbst instruction may be used to ensure that the copy of a location in main memory contains the most recent updates. This may be important when sharing memory with an I/O device that does not participate in the coherence protocol. In addition, the dcbst instruction can ensure that updates are immediately copied to a graphics frame buffer. Treat the dcbst instruction as a load from the addressed byte with respect to address translation and protection. In other words, it copies a value from the cache to main memory if main memory is not up-to-date with respect to the cache. This is required with I/O devices that are not aware of the possible difference between the cache and main memory. Memcheck should treat it as a load, eg. check the address is addressable. And http://publib.boulder.ibm.com/infocenter/pseries/v5r3/index.jsp?topic=/com.ibm.aix.aixassem/doc/alangref/dcbt.htm : The dcbt instruction may improve performance by anticipating a load from the addressed byte. The block containing the byte addressed by the effective address (EA) is fetched into the data cache before the block is needed by the program. The program can later perform loads from the block and may not experience the added delay caused by fetching the block into the cache. Executing the dcbt instruction does not invoke the system error handler. If general-purpose register (GPR) RA is not 0, the effective address (EA) is the sum of the content of GPR RA and the content of GPR RB. Otherwise, the EA is the content of GPR RB. Consider the following when using the dcbt instruction: * If the EA specifies a direct store segment address, the instruction is treated as a no-op. * The access is treated as a load from the addressed cache block with respect to protection. If protection does not permit access to the addressed byte, the dcbt instruction performs no operations. Note: If a program needs to store to the data cache block, use the dcbtst (Data Cache Block Touch for Store) instruction. In other words, it's a prefetch, copying a value from main memory to the cache. Memcheck should treat it also as a load.o Nick |
|
From: <js...@ac...> - 2007-06-06 15:39:13
|
Nightly build on minnie ( SuSE 10.0, ppc32 ) started at 2007-06-06 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 == 219 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: Oriol P. <aut...@gm...> - 2007-06-06 13:52:41
|
Hi, My name is Oriol. I'm playing with Valgrind trying to implement a tool for generating traces of powerpc binaries. I found that some instructions like dcbst (Data Cache Block Store) or dcbt (Data Cache Block Touch) are translated to no-op in toIR.c code file. I think it's not strictly true because this kind of instructions sometimes does memory accesses. I know that they are neither loads nor stores, but they access to memory giving bytes to the cache. What do you think about? Oriol |
|
From: Tom H. <th...@cy...> - 2007-06-06 02:31:28
|
Nightly build on alvis ( i686, Red Hat 7.3 ) started at 2007-06-06 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...> - 2007-06-06 02:19:09
|
Nightly build on dellow ( x86_64, Fedora 7 ) started at 2007-06-06 03:10:04 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 == 292 tests, 221 stderr failures, 105 stdout failures, 0 posttest failures == memcheck/tests/addressable (stdout) memcheck/tests/addressable (stderr) memcheck/tests/amd64/bt_everything (stdout) memcheck/tests/amd64/bt_everything (stderr) memcheck/tests/amd64/bug132146 (stdout) memcheck/tests/amd64/bug132146 (stderr) memcheck/tests/amd64/defcfaexpr (stderr) memcheck/tests/amd64/fxsave-amd64 (stdout) memcheck/tests/amd64/fxsave-amd64 (stderr) memcheck/tests/amd64/insn_basic (stdout) memcheck/tests/amd64/insn_basic (stderr) memcheck/tests/amd64/insn_fpu (stdout) memcheck/tests/amd64/insn_fpu (stderr) memcheck/tests/amd64/insn_mmx (stdout) memcheck/tests/amd64/insn_mmx (stderr) memcheck/tests/amd64/insn_sse (stdout) memcheck/tests/amd64/insn_sse (stderr) memcheck/tests/amd64/insn_sse2 (stdout) memcheck/tests/amd64/insn_sse2 (stderr) memcheck/tests/amd64/int3-amd64 (stdout) memcheck/tests/amd64/int3-amd64 (stderr) memcheck/tests/amd64/more_x87_fp (stdout) memcheck/tests/amd64/more_x87_fp (stderr) memcheck/tests/amd64/sse_memory (stdout) memcheck/tests/amd64/sse_memory (stderr) memcheck/tests/amd64/xor-undef-amd64 (stdout) memcheck/tests/amd64/xor-undef-amd64 (stderr) memcheck/tests/badaddrvalue (stdout) memcheck/tests/badaddrvalue (stderr) memcheck/tests/badfree-2trace (stderr) memcheck/tests/badfree (stderr) memcheck/tests/badjump (stderr) memcheck/tests/badjump2 (stderr) memcheck/tests/badloop (stderr) memcheck/tests/badpoll (stderr) memcheck/tests/badrw (stderr) memcheck/tests/brk (stderr) memcheck/tests/brk2 (stderr) memcheck/tests/buflen_check (stderr) memcheck/tests/clientperm (stdout) memcheck/tests/clientperm (stderr) memcheck/tests/custom_alloc (stderr) memcheck/tests/deep_templates (stdout) memcheck/tests/deep_templates (stderr) memcheck/tests/describe-block (stderr) memcheck/tests/doublefree (stderr) memcheck/tests/erringfds (stdout) memcheck/tests/erringfds (stderr) memcheck/tests/error_counts (stdout) memcheck/tests/errs1 (stderr) memcheck/tests/execve (stderr) memcheck/tests/execve2 (stderr) memcheck/tests/exitprog (stderr) memcheck/tests/fprw (stderr) memcheck/tests/fwrite (stderr) memcheck/tests/inits (stderr) memcheck/tests/inline (stdout) memcheck/tests/inline (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/leakotron (stdout) memcheck/tests/long_namespace_xml (stdout) memcheck/tests/long_namespace_xml (stderr) memcheck/tests/malloc1 (stderr) memcheck/tests/malloc2 (stderr) memcheck/tests/malloc3 (stdout) memcheck/tests/malloc3 (stderr) memcheck/tests/malloc_usable (stderr) memcheck/tests/manuel1 (stdout) memcheck/tests/manuel1 (stderr) memcheck/tests/manuel2 (stdout) memcheck/tests/manuel2 (stderr) memcheck/tests/manuel3 (stderr) memcheck/tests/match-overrun (stderr) memcheck/tests/memalign2 (stderr) memcheck/tests/memalign_test (stderr) memcheck/tests/memcmptest (stdout) memcheck/tests/memcmptest (stderr) memcheck/tests/mempool (stderr) memcheck/tests/metadata (stdout) memcheck/tests/metadata (stderr) memcheck/tests/mismatches (stderr) memcheck/tests/mmaptest (stderr) memcheck/tests/nanoleak (stderr) memcheck/tests/nanoleak2 (stderr) memcheck/tests/nanoleak_supp (stderr) memcheck/tests/new_nothrow (stderr) memcheck/tests/new_override (stdout) memcheck/tests/new_override (stderr) memcheck/tests/null_socket (stderr) memcheck/tests/oset_test (stdout) memcheck/tests/oset_test (stderr) memcheck/tests/overlap (stdout) memcheck/tests/overlap (stderr) memcheck/tests/partial_load_dflt (stderr) memcheck/tests/partial_load_ok (stderr) memcheck/tests/partiallydefinedeq (stdout) memcheck/tests/partiallydefinedeq (stderr) memcheck/tests/pdb-realloc (stderr) memcheck/tests/pdb-realloc2 (stdout) memcheck/tests/pdb-realloc2 (stderr) memcheck/tests/pipe (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/post-syscall (stdout) memcheck/tests/post-syscall (stderr) memcheck/tests/realloc1 (stderr) memcheck/tests/realloc2 (stderr) memcheck/tests/realloc3 (stderr) memcheck/tests/sh-mem-random (stdout) memcheck/tests/sh-mem-random (stderr) memcheck/tests/sh-mem (stderr) memcheck/tests/sigaltstack (stderr) memcheck/tests/sigkill (stderr) memcheck/tests/signal2 (stdout) memcheck/tests/signal2 (stderr) memcheck/tests/sigprocmask (stderr) memcheck/tests/stack_changes (stdout) memcheck/tests/stack_changes (stderr) memcheck/tests/stack_switch (stderr) memcheck/tests/str_tester (stderr) memcheck/tests/strchr (stderr) memcheck/tests/supp1 (stderr) memcheck/tests/supp2 (stderr) memcheck/tests/supp_unknown (stderr) memcheck/tests/suppfree (stderr) memcheck/tests/toobig-allocs (stderr) memcheck/tests/trivialleak (stderr) memcheck/tests/vcpu_bz2 (stdout) memcheck/tests/vcpu_bz2 (stderr) memcheck/tests/vcpu_fbench (stdout) memcheck/tests/vcpu_fbench (stderr) memcheck/tests/vcpu_fnfns (stdout) memcheck/tests/vcpu_fnfns (stderr) memcheck/tests/with-space (stdout) memcheck/tests/with-space (stderr) memcheck/tests/wrap1 (stdout) memcheck/tests/wrap1 (stderr) memcheck/tests/wrap2 (stdout) memcheck/tests/wrap2 (stderr) memcheck/tests/wrap3 (stdout) memcheck/tests/wrap3 (stderr) memcheck/tests/wrap4 (stdout) memcheck/tests/wrap4 (stderr) memcheck/tests/wrap5 (stdout) memcheck/tests/wrap5 (stderr) memcheck/tests/wrap6 (stdout) memcheck/tests/wrap6 (stderr) memcheck/tests/wrap7 (stdout) memcheck/tests/wrap7 (stderr) memcheck/tests/wrap8 (stdout) memcheck/tests/wrap8 (stderr) memcheck/tests/writev (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/xml1 (stdout) memcheck/tests/xml1 (stderr) memcheck/tests/zeropage (stdout) memcheck/tests/zeropage (stderr) cachegrind/tests/chdir (stderr) cachegrind/tests/clreq (stderr) cachegrind/tests/dlclose (stdout) cachegrind/tests/dlclose (stderr) cachegrind/tests/wrap5 (stdout) cachegrind/tests/wrap5 (stderr) callgrind/tests/clreq (stderr) callgrind/tests/simwork1 (stdout) callgrind/tests/simwork1 (stderr) callgrind/tests/simwork2 (stdout) callgrind/tests/simwork2 (stderr) callgrind/tests/simwork3 (stdout) callgrind/tests/simwork3 (stderr) callgrind/tests/threads (stderr) massif/tests/basic_malloc (stderr) massif/tests/toobig-allocs (stderr) massif/tests/true_html (stderr) massif/tests/true_text (stderr) lackey/tests/true (stderr) none/tests/amd64/bug127521-64 (stdout) none/tests/amd64/bug127521-64 (stderr) none/tests/amd64/bug132813-amd64 (stdout) none/tests/amd64/bug132813-amd64 (stderr) none/tests/amd64/bug132918 (stdout) none/tests/amd64/bug132918 (stderr) none/tests/amd64/clc (stdout) none/tests/amd64/clc (stderr) none/tests/amd64/fcmovnu (stdout) none/tests/amd64/fcmovnu (stderr) none/tests/amd64/fxtract (stdout) none/tests/amd64/fxtract (stderr) none/tests/amd64/insn_basic (stdout) none/tests/amd64/insn_basic (stderr) none/tests/amd64/insn_fpu (stdout) none/tests/amd64/insn_fpu (stderr) none/tests/amd64/insn_mmx (stdout) none/tests/amd64/insn_mmx (stderr) none/tests/amd64/insn_sse (stdout) none/tests/amd64/insn_sse (stderr) none/tests/amd64/insn_sse2 (stdout) none/tests/amd64/insn_sse2 (stderr) none/tests/amd64/jrcxz (stdout) none/tests/amd64/jrcxz (stderr) none/tests/amd64/looper (stdout) none/tests/amd64/looper (stderr) none/tests/amd64/nibz_bennee_mmap (stdout) none/tests/amd64/nibz_bennee_mmap (stderr) none/tests/amd64/rcl-amd64 (stdout) none/tests/amd64/rcl-amd64 (stderr) none/tests/amd64/shrld (stdout) none/tests/amd64/shrld (stderr) none/tests/amd64/slahf-amd64 (stdout) none/tests/amd64/slahf-amd64 (stderr) none/tests/amd64/smc1 (stdout) none/tests/amd64/smc1 (stderr) none/tests/ansi (stderr) none/tests/args (stdout) none/tests/args (stderr) none/tests/async-sigs (stdout) none/tests/async-sigs (stderr) none/tests/bitfield1 (stderr) none/tests/blockfault (stderr) none/tests/bug129866 (stdout) none/tests/bug129866 (stderr) none/tests/closeall (stderr) none/tests/coolo_sigaction (stdout) none/tests/coolo_sigaction (stderr) none/tests/coolo_strlen (stderr) none/tests/discard (stdout) none/tests/discard (stderr) none/tests/exec-sigmask (stderr) none/tests/execve (stderr) none/tests/faultstatus (stderr) none/tests/fcntl_setown (stderr) none/tests/fdleak_cmsg (stderr) none/tests/fdleak_creat (stderr) none/tests/fdleak_dup (stderr) none/tests/fdleak_dup2 (stderr) none/tests/fdleak_fcntl (stderr) none/tests/fdleak_ipv4 (stdout) none/tests/fdleak_ipv4 (stderr) none/tests/fdleak_open (stderr) none/tests/fdleak_pipe (stderr) none/tests/fdleak_socketpair (stderr) none/tests/floored (stdout) none/tests/floored (stderr) none/tests/fork (stdout) none/tests/fork (stderr) none/tests/fucomip (stderr) none/tests/gxx304 (stderr) none/tests/manythreads (stdout) none/tests/manythreads (stderr) none/tests/map_unaligned (stderr) none/tests/map_unmap (stdout) none/tests/map_unmap (stderr) none/tests/mq (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) none/tests/mremap2 (stderr) none/tests/munmap_exe (stderr) none/tests/nestedfns (stdout) none/tests/nestedfns (stderr) none/tests/pending (stdout) none/tests/pending (stderr) none/tests/pth_atfork1 (stdout) none/tests/pth_atfork1 (stderr) none/tests/pth_blockedsig (stdout) none/tests/pth_blockedsig (stderr) none/tests/pth_cancel1 (stdout) none/tests/pth_cancel1 (stderr) none/tests/pth_cancel2 (stderr) none/tests/pth_cvsimple (stdout) none/tests/pth_cvsimple (stderr) none/tests/pth_detached (stdout) none/tests/pth_detached (stderr) none/tests/pth_empty (stderr) none/tests/pth_exit (stderr) none/tests/pth_exit2 (stderr) none/tests/pth_mutexspeed (stdout) none/tests/pth_mutexspeed (stderr) none/tests/pth_once (stdout) none/tests/pth_once (stderr) none/tests/pth_rwlock (stderr) none/tests/pth_stackalign (stdout) none/tests/pth_stackalign (stderr) none/tests/rcrl (stdout) none/tests/rcrl (stderr) none/tests/readline1 (stdout) none/tests/readline1 (stderr) none/tests/res_search (stdout) none/tests/res_search (stderr) none/tests/resolv (stdout) none/tests/resolv (stderr) none/tests/rlimit_nofile (stderr) none/tests/sem (stderr) none/tests/semlimit (stderr) none/tests/sha1_test (stderr) none/tests/shell (stdout) none/tests/shell (stderr) none/tests/shell_valid1 (stderr) none/tests/shell_valid2 (stderr) none/tests/shell_valid3 (stderr) none/tests/shortpush (stderr) none/tests/shorts (stderr) none/tests/sigstackgrowth (stdout) none/tests/sigstackgrowth (stderr) none/tests/stackgrowth (stdout) none/tests/stackgrowth (stderr) none/tests/syscall-restart1 (stderr) none/tests/syscall-restart2 (stderr) none/tests/system (stderr) none/tests/thread-exits (stdout) none/tests/thread-exits (stderr) none/tests/threaded-fork (stdout) none/tests/threaded-fork (stderr) none/tests/threadederrno (stdout) none/tests/threadederrno (stderr) none/tests/tls (stdout) none/tests/tls (stderr) none/tests/vgprintf (stdout) none/tests/vgprintf (stderr) |
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From: Tom H. <th...@cy...> - 2007-06-06 02:17:29
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Nightly build on lloyd ( x86_64, Fedora Core 3 ) started at 2007-06-06 03:05:06 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 == 292 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) |
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From: Tom H. <th...@cy...> - 2007-06-06 02:10:59
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Nightly build on gill ( x86_64, Fedora Core 2 ) started at 2007-06-06 03:00:02 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 == 294 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) |
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From: <js...@ac...> - 2007-06-06 00:16:20
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Nightly build on g5 ( SuSE 10.1, ppc970 ) started at 2007-06-06 02:00:01 CEST 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 == 226 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) |