On Wed Dec 28 11:10:55 2011
Sean McGovern wrote:

>> Sometimes the vsynth1-dnxhd_720p_rd test fails on alpha, pa-risc and sparc
>> FATE machines. It explicitly uses '-threads 4' when encoding, and for some
>> reason vsynth1/dnxhd-720p-rd.dnxhd may be spoiled (the first frame contains
>> a small number of randomly placed zero blocks). For comparison, the
>> single-thread mode does not show any issues.
> This sounds threading related. Feel like trying valgrind's Helgrind and/or
> DRD tools to examine this further?

Thread debugging is another story. I meant that the hard-coded '-threads 4'
option looks rather harmful, it was added when fate did not provide any
control over multithreaded testing. 

Michael
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