Date: Tue, 19 Jun 2012 20:16:14 +0530 From: SAYANTAN DATTA <std2048@...il.com> To: john-dev@...ts.openwall.com Subject: Re: bf-opencl On Tue, Jun 19, 2012 at 6:19 AM, Solar Designer <solar@...nwall.com> wrote: > 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 > What does the above two panic parameter mean? > 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. > > Alexander > Hi Alexander, I think 12.4 is the first official driver for 7970. So I guess we should wait for a driver update(12.6 beta is available). BTW Can I OC the card using ssh? BTW currently I'm working on a version that could make some use of global memory along with the LDS. If it is comes out any faster then I'll post it . Although I can run two instances of john , one on global memory and one on LDS but the net results aren't very good. So I would try comibine them under same kernel. Regards, Sayantan Content of type "text/html" skipped
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