Boinc does not want use all GPU. cc_config doesn't help
15 Nov 2012 2:13:42 UTC
Topic 196629
(moderation:
hello
boinc donn't want to use second amd gpu instead of cc_config line "use all gpu"
Thu 15 Nov 2012 06:04:38 AM MSK | | ATI GPU 0: Tahiti (CAL version 1.4.1741, 3072MB, 2722MB available, 11264 GFLOPS peak)
Thu 15 Nov 2012 06:04:38 AM MSK | | OpenCL: ATI GPU 0: Tahiti (driver version 1084.2 (VM), device version OpenCL 1.2 AMD-APP (1084.2), 3072MB, 2722MB available)
Thu 15 Nov 2012 06:04:38 AM MSK | | OpenCL: ATI GPU 1 (not used): Tahiti (driver version 1084.2 (VM), device version OpenCL 1.2 AMD-APP (1084.2), 2048MB, 0MB available)
how to fix?
Boinc does not want use all GPU. cc_config doesn't help
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Hello
The cc_config.xml file should have the following configuration:
1
Is this how your file is setup?
it has
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it has
and it has to be called
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and it has to be called cc_config.xml not just cc_config
Claggy
RE: Thu 15 Nov 2012
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Looks like BOINC thinks all the memory on the second card is used for something else.
but when i add 0 string to
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but when i add 0 string to cc_config, it starts crunching on second gpu, ignoring the first )
Hello, I found a fix for
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Hello,
I found a fix for this with my new cards.
In xterm, type this:
export DISPLAY=:0
Then start BOINC client:
./boinc --allow_remote_gui_rpc
Both 7970s should now be active and correctly detected by BOINC with correct memory amount and availability.
oh, thanks! i will try. did
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oh, thanks! i will try.
did you had this problem too?
Yes, I ran into the same
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Yes, I ran into the same problem where the second card was reported as having 2048 MB of memory with 0 MB free.
yes, it works! but what the
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yes, it works!
but what the problem is in?
i'm going to report to boinc developers.
By default, the DISPLAY
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By default, the DISPLAY variable is set to :0.0 for device 0. I think by setting to :0 that this will allow the application to see all AMD devices.
This document here covers fan speed setup but covers how to select specific cards in X by setting DISPLAY to the appropriate device:
http://hashcat.net/wiki/changing_fan_speed_of_ati_under_linux
This issue seems to be specific to running multiple AMD cards. With NVIDIA and multiple cards, BOINC is able to pick those up automatically without manual intervention even if X is not running.