runtime/pprof: TestBlockProfile fails on ARM

[gopherbot]

by capnm9:

Randomly breaks the ARM build.

hg id
fa4c62bd1d41 tip

uname -a
Linux rpi 3.6.11+ #474 PREEMPT Thu Jun 13 17:14:42 BST 2013 armv6l GNU/Linux

Also spotted here:
http://build.golang.org/log/3e18360665753e8a4dfea3929822b33c7e0d4175

...
ok      runtime/debug   0.037s
--- FAIL: TestBlockProfile (0.12 seconds)
    pprof_test.go:202: Bad chan 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]+    runtime/pprof_test\.produceChanContention\+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=999999990
FAIL
FAIL    runtime/pprof   11.908s
?       runtime/race    [no test files]
ok      sort    0.933s
...

[dvyukov]

Comment 1:

Status changed to Duplicate.

Merged into issue #6114.