[Bug 74190] New: scrypt doesn't do anything with bfgminer on CAYMAN

[Bug 74190] New: scrypt doesn't do anything with bfgminer on CAYMAN

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https://bugs.freedesktop.org/show_bug.cgi?id=74190

          Priority: medium
            Bug ID: 74190
          Assignee: dri-devel@lists.freedesktop.org
           Summary: scrypt doesn't do anything with bfgminer on CAYMAN
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: v10lator@myway.de
          Hardware: All
            Status: NEW
           Version: 10.0
         Component: Drivers/Gallium/r600
           Product: Mesa

Created attachment 93006
  --> https://bugs.freedesktop.org/attachment.cgi?id=93006&action=edit
R600_DEBUG=cs bfgminer 2> ~/bfgminer.txt

I have a Radeon HD 6950. When I try to use scrypt with bfgminer (for mining
litecoins, for example) bfgminer gives the following output every minute:

 [2014-01-29 15:57:34] OCL 0: Idle for more than 60 seconds, declaring SICK!
 [2014-01-29 15:57:34] OCL 0: Attempting to restart
 [2014-01-29 15:57:34] Thread 0 still exists, killing it off
 [2014-01-29 15:57:35] Thread 0 restarted

and the minig speed is 0.00 hashes/second

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[Bug 74190] scrypt doesn't do anything with bfgminer on CAYMAN

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https://bugs.freedesktop.org/show_bug.cgi?id=74190

--- Comment #1 from slicksam@gmx.com ---
This may be the same issue I reported in
https://bugs.freedesktop.org/show_bug.cgi?id=74140

If you check CPU usage, you should see a thread stuck at 100% - this is
apparently it trying to compile the opencl program.  I have not tried waiting a
long time to see if it does eventually fire up.

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[Bug 74190] scrypt doesn't do anything with bfgminer on CAYMAN

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https://bugs.freedesktop.org/show_bug.cgi?id=74190

Thomas Rohloff <v10lator@myway.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |DUPLICATE

--- Comment #2 from Thomas Rohloff <v10lator@myway.de> ---
(In reply to comment #1)
> This may be the same issue I reported in
> https://bugs.freedesktop.org/show_bug.cgi?id=74140
> 
> If you check CPU usage, you should see a thread stuck at 100% - this is
> apparently it trying to compile the opencl program.  I have not tried
> waiting a long time to see if it does eventually fire up.

Yes, that seems to be it.

But there seems to be a memory leak, too. The thread eats up more and more RAM.
Also after each

 [2014-02-24 10:00:47] OCL 0: Idle for more than 60 seconds, declaring SICK!
 [2014-02-24 10:00:47] OCL 0: Attempting to restart
 [2014-02-24 10:00:47] Thread 0 still exists, killing it off
 [2014-02-24 10:00:48] Thread 0 restarted

it eats +1 core (so first 100%, then after that 200%, after the next 300% and
so on). This repeats till it's killed cause of no more free RAM.

Should I add this information to your bug report?

*** This bug has been marked as a duplicate of bug 74140 ***

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