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Date: Tue, 19 Jun 2012 04:49:56 +0400
From: Solar Designer <>
Subject: Re: bf-opencl

On Tue, Jun 19, 2012 at 04:25:21AM +0400, Solar Designer wrote:
> ...Oh, I got "ASIC hang" after:
> guesses: 345  time: 0:00:03:28 0.00%  c/s: 5449  trying: 123456 - random
> Whatever.  I'll bring it back to stock clocks (925 MHz core).
> BTW, 1300 MHz resulted in John's self-test failure, and 1250 MHz worked
> for 3.5 minutes as you can see.  I don't know if the "ASIC hang" was
> related to the overclock or not.

This is unclear.  I tried running the same test at stock clocks, and it
worked fine for about 15 minutes:

guesses: 1199  time: 0:00:14:26 28.25% (ETA: Tue Jun 19 05:17:59 2012)  c/s: 4111  trying: rangers - 222222

but then the entire machine locked up (stopped responding to ping) and
rebooted, maybe due to:

kernel.panic = 20
kernel.panic_on_oops = 1
kernel.softlockup_panic = 1
kernel.hung_task_panic = 1
kernel.hung_task_timeout_secs = 300

It was probably not the hung_task_panic, but it could have been an Oops.

There's nothing about this in the logs.

So maybe bf-opencl still triggers problems with the AMD driver for 7970.


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