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Message 24278 - Posted: 6 Apr 2012 | 16:29:56 UTC
Last modified: 6 Apr 2012 | 16:30:49 UTC

process exited with code 193 (0xc1, -63)

Recently any *NATHAN_FAX4* tasks that I have run on this Linux system have failed after ~2seconds.
All other tasks run well (no failures), including a NATHAN_CB1 task.

On the 1st and 2nd April I ran two NATHAN_FAX4 tasks successfully, but since the 3rd they have all failed. Last night I restarted but another NATHAN_FAX4 failed today. I keep at least one free CPU thread. The computer was not in use when the failures occurred.

Outcome Computation error
Client state Compute error
Exit status 193 (0xc1)

Stderr output

<core_client_version>6.12.33</core_client_version>
<![CDATA[
<message>
process exited with code 193 (0xc1, -63)
</message>
<stderr_txt>
# Using device 0
# There is 1 device supporting CUDA
# Device 0: "GeForce GTX 470"
# Clock rate: 1.22 GHz
# Total amount of global memory: 1341718528 bytes
# Number of multiprocessors: 14
# Number of cores: 112
SIGABRT: abort called
Stack trace (13 frames):
../../projects/www.gpugrid.net/acemd.linux64.2352(boinc_catch_signal+0x4d)[0x482bed]
/lib/x86_64-linux-gnu/libc.so.6(+0x36420)[0x7ffcad27d420]
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x35)[0x7ffcad27d3a5]
/lib/x86_64-linux-gnu/libc.so.6(abort+0x17b)[0x7ffcad280b0b]
../../projects/www.gpugrid.net/acemd.linux64.2352[0x4935db]
../../projects/www.gpugrid.net/acemd.linux64.2352[0x434dd0]
../../projects/www.gpugrid.net/acemd.linux64.2352[0x4312d6]
../../projects/www.gpugrid.net/acemd.linux64.2352[0x4309e7]
../../projects/www.gpugrid.net/acemd.linux64.2352[0x414ef9]
../../projects/www.gpugrid.net/acemd.linux64.2352[0x407c9a]
../../projects/www.gpugrid.net/acemd.linux64.2352[0x40857e]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed)[0x7ffcad26830d]
../../projects/www.gpugrid.net/acemd.linux64.2352[0x407a19]

Exiting...

</stderr_txt>
]]>

From http://boincfaq.mundayweb.com:

    Code 193 is a segmentation violation error.

    You either have problems with your memory or swap file, or the application attempts to access a memory location that it is not allowed to access, or attempts to access a memory location in a way that is not allowed (for example, attempting to write to a read-only location, or to overwrite part of the operating system).

    Use a memory checking program like memtest86+ to rigorously test your memory.
    And always when you have this error, report it on the forums of the application it happens with. It may well be an error in the application's code.



Boinc 6.12.33, GTX 470 (ref., fan control on and temp's <70degC), repo drivers 280.13, Ubuntu 11.10, i7-2600, 8GB DDR3, 60GB SSD
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Message 24289 - Posted: 6 Apr 2012 | 23:01:33 UTC

Out for the Easter holidays so I'll look into it when I can. I'd ask if you've changed anything recently but I doubt you're one to overlook such things. Hopefully this isn't a broader problem.

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Message 24335 - Posted: 9 Apr 2012 | 17:11:26 UTC
Last modified: 9 Apr 2012 | 17:17:23 UTC

I get that problem with the same card each time. It's clocked a bit higher than the others on that host so I suspect it's got a bit fussy in it's old age. It's failed six times after 2 secs so I'm not too bothered. Odd that it's just started doing it, like yours. 295.33 driver.

<core_client_version>7.0.23</core_client_version>
<![CDATA[
<message>
process exited with code 193 (0xc1, -63)
</message>
<stderr_txt>
# Using device 2
# There are 3 devices supporting CUDA
# Device 0: "GeForce GTX 580"
# Clock rate: 1.64 GHz
# Total amount of global memory: 1610285056 bytes
# Number of multiprocessors: 16
# Number of cores: 128
# Device 1: "GeForce GTX 570"
# Clock rate: 1.66 GHz
# Total amount of global memory: 1341849600 bytes
# Number of multiprocessors: 15
# Number of cores: 120
# Device 2: "GeForce GTX 570"
# Clock rate: 1.70 GHz
# Total amount of global memory: 1341718528 bytes
# Number of multiprocessors: 15
# Number of cores: 120
SWAN: Using synchronization method 0
SIGABRT: abort called
Stack trace (13 frames):
../../projects/www.gpugrid.net/acemd.linux64.2352(boinc_catch_signal+0x4d)[0x482bed]
/lib/x86_64-linux-gnu/libc.so.6(+0x36420)[0x7f905e0fe420]
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x35)[0x7f905e0fe3a5]
/lib/x86_64-linux-gnu/libc.so.6(abort+0x17b)[0x7f905e101b0b]
../../projects/www.gpugrid.net/acemd.linux64.2352[0x4935db]
../../projects/www.gpugrid.net/acemd.linux64.2352[0x434dd0]
../../projects/www.gpugrid.net/acemd.linux64.2352[0x4312d6]
../../projects/www.gpugrid.net/acemd.linux64.2352[0x4309e7]
../../projects/www.gpugrid.net/acemd.linux64.2352[0x414ef9]
../../projects/www.gpugrid.net/acemd.linux64.2352[0x407c9a]
../../projects/www.gpugrid.net/acemd.linux64.2352[0x40857e]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed)[0x7f905e0e930d]
../../projects/www.gpugrid.net/acemd.linux64.2352[0x407a19]

Exiting...

</stderr_txt>
]]>

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Message 24336 - Posted: 9 Apr 2012 | 18:44:08 UTC - in response to Message 24335.
Last modified: 9 Apr 2012 | 19:10:43 UTC

Just had two more failed on that card. Perhaps I'd better swap it out before the evil server backlists it ............
Just swapped it for one that's clocked even higher. I really must mark these cards up, lol

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Message 24337 - Posted: 9 Apr 2012 | 19:47:29 UTC - in response to Message 24336.

What if you simply downclock this problematic card? To make it the simple way, you should put it in a WinXP machine of yours, and use MSI Afterburner to do the job.

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Message 24342 - Posted: 9 Apr 2012 | 22:50:32 UTC - in response to Message 24336.

I was thinking my issue was due to some Linux system update, possibly security; the card ran NATHAN_FAX4 tasks without issue before the updates and also when I had Windows installed on the same rig.
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Message boards : Number crunching : 2sec NATHAN_FAX4 failures on Linux Exit status 193 (0xc1)

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