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Thread: Only 3/8 GPU used
Post: Only 3/8 GPU used
| Hi all,
I successfully got cudaHashcat running but it only uses 3 out of 8 nVidia GPU's in the system. I tried specifying -d 1,2,3,4,5,6,7,8 but still only 3 cards are crunching on a test MD5 hash. Is... |
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ssjtoma |
Very old oclHashcat Support
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13 |
29,152 |
08-21-2011, 04:00 AM |
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Thread: Only 3/8 GPU used
Post: RE: Only 3/8 GPU used
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Rolf Wrote: (08-21-2011, 06:31 AM)
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When I had 3 GTX 480 gpus, some weren't always used.
Turns out it's about combinations on the left side.
Try ?1?1?1?1?1 ?1?1
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Thanks, that did fire up the res... |
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ssjtoma |
Very old oclHashcat Support
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13 |
29,152 |
08-21-2011, 07:03 PM |
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Thread: Only 3/8 GPU used
Post: RE: Only 3/8 GPU used
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atom Wrote: (08-21-2011, 07:28 PM)
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or try oclHashcat-lite. it manages everything for you
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Thanks, oclHashcat-lite is faster but it still only uses 6 of the GPU's with -1 ?l?u?s?d ?1?1?1?1?1?1?... |
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ssjtoma |
Very old oclHashcat Support
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13 |
29,152 |
08-21-2011, 07:38 PM |
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Thread: ERROR: --pw-skip value is bigger than max combinations on left side
Post: ERROR: --pw-skip value is bigger than max combina...
| Hi all,
I'm trying to coordinate a brute-force attempt across 4 machines with --pw-skip and --pw-limit. The password I'm trying to brute-force is 8 char long so there are 6634204312890625 combination... |
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ssjtoma |
Very old oclHashcat-lite Support
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7 |
18,208 |
08-21-2011, 09:17 PM |
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Thread: ERROR: --pw-skip value is bigger than max combinations on left side
Post: RE: ERROR: --pw-skip value is bigger than max com...
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atom Wrote: (08-21-2011, 10:44 PM)
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no sorry, it does not work this way, that simple
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OK, then my question would be how to coordinate a brute-force across multiple machines so that the machines... |
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ssjtoma |
Very old oclHashcat-lite Support
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7 |
18,208 |
08-21-2011, 11:38 PM |
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Thread: ERROR: --pw-skip value is bigger than max combinations on left side
Post: RE: ERROR: --pw-skip value is bigger than max com...
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Rolf Wrote: (08-22-2011, 06:30 AM)
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Simple!
Blandy was the first one to actually use it:
Say, you have a mask, -1 ?l?d ?1?1?1?1?1?1 ?1?1?1?1 .
And 4 machines with GPUs.
Then you divide the ?l?d... |
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ssjtoma |
Very old oclHashcat-lite Support
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7 |
18,208 |
08-22-2011, 06:06 PM |
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Thread: Only 3/8 GPU used
Post: RE: Only 3/8 GPU used
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atom Wrote: (08-21-2011, 10:43 PM)
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i think its still the same problem. its the sake of massive parallelism. give it enough work to do.
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Nope, it seems like the cards are crunching, just not re... |
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ssjtoma |
Very old oclHashcat Support
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13 |
29,152 |
08-23-2011, 07:59 PM |
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Thread: Only 3/8 GPU used
Post: RE: Only 3/8 GPU used
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atom Wrote: (08-23-2011, 09:45 PM)
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pls check output of nvidia-smi if it behaves the same its maybe some driver problem
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It's a driver issue. Had to switch from HP recommended drivers to nvidia... |
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ssjtoma |
Very old oclHashcat Support
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13 |
29,152 |
08-24-2011, 12:33 AM |
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Thread: Only 3/8 GPU used
Post: RE: Only 3/8 GPU used
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atom Wrote: (08-24-2011, 09:47 AM)
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never heared of freeipmi. what is it?
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https://www.gnu.org/s/freeipmi/
"The features of IPMI that most users will be interested in are sensor monitoring.."
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ssjtoma |
Very old oclHashcat Support
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13 |
29,152 |
08-24-2011, 08:25 PM |
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Thread: Only 3/8 GPU used
Post: RE: Only 3/8 GPU used
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atom Wrote: (08-26-2011, 06:39 PM)
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tried to install it on ubuntu but it didnt work. so i dont think many users could use it.
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it works fine under redhat (root#>ipmi-sensors), i didn't try it u... |
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ssjtoma |
Very old oclHashcat Support
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13 |
29,152 |
08-31-2011, 02:56 AM |
