Heard from Richard that a fix has now been found for this problem.  Thanks
for tracking it down:

>> The cause has been found. In your client_state.xml file, you'll find a
section like this:
>>
>> [code]<time_stats>
>>    <on_frac>0.998909</on_frac>
>>    <connected_frac>1.000000</connected_frac>
>>    <active_frac>0.999975</active_frac>
>>    <gpu_active_frac>0.174423</gpu_active_frac>
>>    <last_update>1288914349.413624</last_update>
>> </time_stats>[/code]
>> If you change that <gpu_active_frac> to 1.000000, things will return to
normal. That should be quicker than reverting to v6.10.58

Thanks/Ed


On Mon, Nov 1, 2010 at 3:30 PM, David Anderson <da...@ssl.berkeley.edu>wrote:

> Please set <work_fetch_debug> and send a few hours of event log.
> -- David
>
>
> On 01-Nov-2010 11:50 AM, Ed A wrote:
>
>> While 6.12.4 is a big improvement over 6.11.x and 6.12.2, there is still a
>> large
>> nagging problem that surfaced in 6.11.7 and is still unfixed.  In order to
>> maintain a consistent queue in GPU projects the "Additional work buffer"
>> has to
>> be continuously increased.  The only way I've found to reset this is to
>> reinstall 6.11.6 or earlier and then install 6.12.4 again.  As an example
>> on one
>> machine my 12 hour Collatz queue is up to an "Additional work buffer" of
>> 5.77
>> days and increasing at the rate of  ~0.5 days/calendar day in order to
>> maintain
>> a constant level.  Other GPU project queues act similarly but not
>> necessarily at
>> as fast a rate (may be related to queue size).  CPU projects seem to be
>> unaffected by this queue shrinkage.
>>
>> BTW, the GPU scheduling changes in 6.12.4 (non-FIFO) are a welcome
>> improvement.
>>
>> Thanks/Ed
>>
>>
>> On Mon, Nov 1, 2010 at 11:03 AM, David Anderson <da...@ssl.berkeley.edu
>> <mailto:da...@ssl.berkeley.edu>> wrote:
>>
>>    I want to get 6.12 out the door as soon as we're all happy w/ notices.
>>
>>    -- David
>>
>>
>>
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