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ERROR: clCreateBuffer() -61
04-14-2012, 04:33 PM
Post: #1
ERROR: clCreateBuffer() -61
Got this error with a 400 Mb list. Version 0.07 worked well with these
size files. Wih smaller size lists, all seems normal.
What can be the reason for this error ?
Using 12.3 ccc (while was using 11.12 with 0.07) W7x64.
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04-14-2012, 05:45 PM
Post: #2
RE: ERROR: clCreateBuffer() -61
0.08 added support for SHA512. The digest of SHA512 is union'ed with the twice the size smaller SHA256 digest. Means each hash requires doubled GPU and HOST memory than with 0.07.
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04-15-2012, 02:10 AM
Post: #3
RE: ERROR: clCreateBuffer() -61
Ok, splited the file and the problem disapears.
However, among the features that are still announced
on http://hashcat.net/oclhashcat-plus/ this
"Multi-Hash (up to 24 million hashes)"
probably is correct for 0.07, but not for
later versions, right (just asking for a confirmation) ?
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04-15-2012, 10:30 AM
Post: #4
RE: ERROR: clCreateBuffer() -61
Yeah, your are right. I will update it with the release of 0.08. I played around a bit, looks like my hd7970 (3gb ram) is still able to load 15 million hashes.
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04-15-2012, 12:06 PM (This post was last modified: 04-15-2012 12:07 PM by proinside.)
Post: #5
RE: ERROR: clCreateBuffer() -61
(04-15-2012 10:30 AM)atom Wrote:  Yeah, your are right. I will update it with the release of 0.08. I played around a bit, looks like my hd7970 (3gb ram) is still able to load 15 million hashes.

I wonder why then 2x6990 (8gb ram) were not able to load a little less than that, if it is only a question of a total card ram ?! Perhaps the 4Gb ram system is too low for this ? Just curious, cause the solution was to split the file, but looks like the cards ram aren't totaly used (at least with 69xx series)...
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04-15-2012, 01:47 PM
Post: #6
RE: ERROR: clCreateBuffer() -61
The problem is AMD's ram management is not that good. You loose much performance on I/O. If you run millions of hashes frequently, better buy some nvidia cards.
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04-16-2012, 09:55 AM
Post: #7
RE: ERROR: clCreateBuffer() -61
Each GPU RAM must hold the same data. You have 4gb only - not 8gb. The 7970 has 3gb, that fits with your statement that the hd6990 were not able to load a little less than the hd7990.
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