$ hg clone -u release https://code.google.com/p/go
$ cd go/src
$ ./all.bash
snip...
--- FAIL: TestBlockProfile (0.17 seconds)
pprof_test.go:332: Bad mutex entry, expect:
[0-9]+ [0-9]+ @ 0x[0-9,a-f]+ 0x[0-9,a-f]+ 0x[0-9,a-f]+ 0x[0-9,a-f]+ 0x[0-9,a-f]+
# 0x[0-9,a-f]+ sync\.\(\*Mutex\)\.Lock\+0x[0-9,a-f]+ .*/src/pkg/sync/mutex\.go:[0-9]+
# 0x[0-9,a-f]+ runtime/pprof_test\.blockMutex\+0x[0-9,a-f]+ .*/src/pkg/runtime/pprof/pprof_test.go:[0-9]+
# 0x[0-9,a-f]+ runtime/pprof_test\.TestBlockProfile\+0x[0-9,a-f]+ .*/src/pkg/runtime/pprof/pprof_test.go:[0-9]+
got:
--- contention:
cycles/second=2279199805
25465158 1 @ 0x4052e2 0x439ab1 0x439229 0x4325eb 0x417a30
# 0x4052e2 runtime.selectgo+0x12 /home/d6rkaiz/dev/go/src/pkg/runtime/chan.c:840
# 0x439ab1 runtime/pprof_test.blockSelectRecvAsync+0x121 /home/d6rkaiz/dev/go/src/pkg/runtime/pprof/pprof_test.go:373
# 0x439229 runtime/pprof_test.TestBlockProfile+0x189 /home/d6rkaiz/dev/go/src/pkg/runtime/pprof/pprof_test.go:320
# 0x4325eb testing.tRunner+0x8b /home/d6rkaiz/dev/go/src/pkg/testing/testing.go:391
23575416 1 @ 0x404c68 0x43998b 0x439229 0x4325eb 0x417a30
# 0x404c68 runtime.chanrecv1+0x38 /home/d6rkaiz/dev/go/src/pkg/runtime/chan.c:446
# 0x43998b runtime/pprof_test.blockChanClose+0x9b /home/d6rkaiz/dev/go/src/pkg/runtime/pprof/pprof_test.go:363
# 0x439229 runtime/pprof_test.TestBlockProfile+0x189 /home/d6rkaiz/dev/go/src/pkg/runtime/pprof/pprof_test.go:320
# 0x4325eb testing.tRunner+0x8b /home/d6rkaiz/dev/go/src/pkg/testing/testing.go:391
23538267 1 @ 0x404c68 0x43983b 0x439229 0x4325eb 0x417a30
# 0x404c68 runtime.chanrecv1+0x38 /home/d6rkaiz/dev/go/src/pkg/runtime/chan.c:446
# 0x43983b runtime/pprof_test.blockChanRecv+0x9b /home/d6rkaiz/dev/go/src/pkg/runtime/pprof/pprof_test.go:345
# 0x439229 runtime/pprof_test.TestBlockProfile+0x189 /home/d6rkaiz/dev/go/src/pkg/runtime/pprof/pprof_test.go:320
# 0x4325eb testing.tRunner+0x8b /home/d6rkaiz/dev/go/src/pkg/testing/testing.go:391
23526856 1 @ 0x4052e2 0x439bec 0x439229 0x4325eb 0x417a30
# 0x4052e2 runtime.selectgo+0x12 /home/d6rkaiz/dev/go/src/pkg/runtime/chan.c:840
# 0x439bec runtime/pprof_test.blockSelectSendSync+0x12c /home/d6rkaiz/dev/go/src/pkg/runtime/pprof/pprof_test.go:386
# 0x439229 runtime/pprof_test.TestBlockProfile+0x189 /home/d6rkaiz/dev/go/src/pkg/runtime/pprof/pprof_test.go:320
# 0x4325eb testing.tRunner+0x8b /home/d6rkaiz/dev/go/src/pkg/testing/testing.go:391
23460399 1 @ 0x404c1c 0x4398e0 0x439229 0x4325eb 0x417a30
# 0x404c1c runtime.chansend1+0x4c /home/d6rkaiz/dev/go/src/pkg/runtime/chan.c:438
# 0x4398e0 runtime/pprof_test.blockChanSend+0xa0 /home/d6rkaiz/dev/go/src/pkg/runtime/pprof/pprof_test.go:354
# 0x439229 runtime/pprof_test.TestBlockProfile+0x189 /home/d6rkaiz/dev/go/src/pkg/runtime/pprof/pprof_test.go:320
# 0x4325eb testing.tRunner+0x8b /home/d6rkaiz/dev/go/src/pkg/testing/testing.go:391
FAIL
FAIL runtime/pprof 7.310s