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Message boards : Problems and Help : random error on PPSE after ~15 sec on linux

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Joined: 2 Dec 11
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ID: 121414
Credit: 1,681,269,042
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Discovered 5 mega primesFound 4 primes in the 2018 Tour de PrimesFound 2 primes in the 2019 Tour de PrimesFound 12 primes in the 2020 Tour de PrimesFound 3 primes in the 2021 Tour de PrimesFound 1 prime in the 2021 Tour de Primes Mountain Stage321 LLR Sapphire: Earned 20,000,000 credits (21,415,573)Cullen LLR Sapphire: Earned 20,000,000 credits (21,023,197)ESP LLR Sapphire: Earned 20,000,000 credits (21,937,716)Generalized Cullen/Woodall LLR Sapphire: Earned 20,000,000 credits (20,542,115)PPS LLR Emerald: Earned 50,000,000 credits (56,670,278)PSP LLR Sapphire: Earned 20,000,000 credits (22,003,717)SoB LLR Sapphire: Earned 20,000,000 credits (31,187,784)SR5 LLR Sapphire: Earned 20,000,000 credits (21,053,783)SGS LLR Sapphire: Earned 20,000,000 credits (20,927,235)TRP LLR Sapphire: Earned 20,000,000 credits (20,495,653)Woodall LLR Sapphire: Earned 20,000,000 credits (25,444,348)321 Sieve (suspended) Sapphire: Earned 20,000,000 credits (23,450,078)Cullen/Woodall Sieve (suspended) Bronze: Earned 10,000 credits (74,346)Generalized Cullen/Woodall Sieve (suspended) Jade: Earned 10,000,000 credits (10,184,525)PPS Sieve Double Gold: Earned 500,000,000 credits (572,940,608)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (287,513)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,074,848)AP 26/27 Double Bronze: Earned 100,000,000 credits (108,603,066)WW Double Silver: Earned 200,000,000 credits (231,212,000)GFN Double Silver: Earned 200,000,000 credits (378,805,988)PSA Emerald: Earned 50,000,000 credits (72,018,672)
Message 136899 - Posted: 30 Jan 2020 | 2:46:35 UTC

Has anyone else seen this one before? This machine has been running faithfully since September or so -- I just switched it over to PPSE tasks, and it seems to be spitting out the same error randomly. It's running tasks single-core, 16 tasks concurrently. The machine has two 8-core CPUs, HT is off. It completes several work units, yet occasionally gives this error shortly after starting a new task:

Host: https://www.primegrid.com/show_host_detail.php?hostid=907135


Stderr output <core_client_version>7.9.2</core_client_version> <![CDATA[ <stderr_txt> BOINC llr wrapper (version 8.04) Using Jean Penne's llr (64 bit) execl failed once: Text file busy execl failed twice: Text file busy Error reading the LLR version number, continuing... LLR command line: primegrid_llr -d -oDiskWriteTime=1 -oThreadsPerTest=1 llr.in execv failed once: Text file busy execv failed twice: Text file busy app error: 27648 21:12:20 (25099): called boinc_finish(27648) </stderr_txt> <message> upload failure: <file_xfer_error> <file_name>llrPPSE_328576844_1_r440063281_0</file_name> <error_code>-161 (not found)</error_code> </file_xfer_error> </message> ]]>[url]

The Computer's boinc log shows the following each time the error is encountered:


1/29/2020 9:38:18 PM Output file llrPPSE_328577436_1_r1834113698_0 for task llrPPSE_328577436_1 absent

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Credit: 719,943,923
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Discovered 2 mega primesFound 1 prime in the 2018 Tour de Primes321 LLR Turquoise: Earned 5,000,000 credits (5,477,467)Cullen LLR Gold: Earned 500,000 credits (776,297)ESP LLR Ruby: Earned 2,000,000 credits (3,120,351)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,093,491)PPS LLR Sapphire: Earned 20,000,000 credits (25,902,560)PSP LLR Turquoise: Earned 5,000,000 credits (5,102,379)SoB LLR Sapphire: Earned 20,000,000 credits (26,056,338)SR5 LLR Turquoise: Earned 5,000,000 credits (6,110,877)SGS LLR Ruby: Earned 2,000,000 credits (3,486,285)TRP LLR Turquoise: Earned 5,000,000 credits (7,070,795)Woodall LLR Amethyst: Earned 1,000,000 credits (1,693,614)321 Sieve (suspended) Emerald: Earned 50,000,000 credits (50,256,050)Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,571,178)Generalized Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (50,009,610)PPS Sieve Double Silver: Earned 200,000,000 credits (333,021,711)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Jade: Earned 10,000,000 credits (10,165,888)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,071,454)AP 26/27 Turquoise: Earned 5,000,000 credits (6,616,128)WW Gold: Earned 500,000 credits (920,000)GFN Emerald: Earned 50,000,000 credits (53,659,063)PSA Double Bronze: Earned 100,000,000 credits (102,762,384)
Message 136901 - Posted: 30 Jan 2020 | 5:59:04 UTC - in response to Message 136899.
Last modified: 30 Jan 2020 | 6:00:01 UTC


execl failed once: Text file busy

"Text file busy" happens when a process tries to overwrite or delete a program file while another process is running it. I get that at work when I am deploying a new version of software but another user is running it. Renaming the running executable file before writing the new version gets around that.

Could it be that you have 2 BOINC clients running? Rebooting should fix that.

On the subject of rebooting, if you haven't updated your Linux kernel and rebooted since September, I suggest that it's high time to do it. Fedora especially has multiple kernel updates each year to address security issues and fix bugs.

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Discovered 1 mega primeFound 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de PrimesFound 1 prime in the 2020 Tour de PrimesFound 1 prime in the 2021 Tour de Primes321 LLR Jade: Earned 10,000,000 credits (10,011,570)Cullen LLR Jade: Earned 10,000,000 credits (10,009,374)ESP LLR Jade: Earned 10,000,000 credits (10,009,221)Generalized Cullen/Woodall LLR Jade: Earned 10,000,000 credits (10,012,217)PPS LLR Jade: Earned 10,000,000 credits (16,257,507)PSP LLR Jade: Earned 10,000,000 credits (10,044,081)SoB LLR Jade: Earned 10,000,000 credits (10,064,750)SR5 LLR Jade: Earned 10,000,000 credits (10,002,051)SGS LLR Jade: Earned 10,000,000 credits (10,001,295)TRP LLR Jade: Earned 10,000,000 credits (10,002,411)Woodall LLR Jade: Earned 10,000,000 credits (10,013,921)321 Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,004,228)Generalized Cullen/Woodall Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,047,667)PPS Sieve Sapphire: Earned 20,000,000 credits (20,866,490)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,043,271)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,015,177)AP 26/27 Sapphire: Earned 20,000,000 credits (20,045,194)WW Jade: Earned 10,000,000 credits (11,676,000)GFN Emerald: Earned 50,000,000 credits (55,355,287)PSA Double Silver: Earned 200,000,000 credits (200,301,443)
Message 136904 - Posted: 30 Jan 2020 | 6:15:01 UTC - in response to Message 136899.

execl failed once: Text file busy

Strange, this Boinc bug should had been fixed long time ago: https://github.com/BOINC/boinc/issues/1388
And our LLR wrapper have built-in workaround. I have no idea why it appeared again.

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Joined: 2 Dec 11
Posts: 447
ID: 121414
Credit: 1,681,269,042
RAC: 3,466,810
Discovered 5 mega primesFound 4 primes in the 2018 Tour de PrimesFound 2 primes in the 2019 Tour de PrimesFound 12 primes in the 2020 Tour de PrimesFound 3 primes in the 2021 Tour de PrimesFound 1 prime in the 2021 Tour de Primes Mountain Stage321 LLR Sapphire: Earned 20,000,000 credits (21,415,573)Cullen LLR Sapphire: Earned 20,000,000 credits (21,023,197)ESP LLR Sapphire: Earned 20,000,000 credits (21,937,716)Generalized Cullen/Woodall LLR Sapphire: Earned 20,000,000 credits (20,542,115)PPS LLR Emerald: Earned 50,000,000 credits (56,670,278)PSP LLR Sapphire: Earned 20,000,000 credits (22,003,717)SoB LLR Sapphire: Earned 20,000,000 credits (31,187,784)SR5 LLR Sapphire: Earned 20,000,000 credits (21,053,783)SGS LLR Sapphire: Earned 20,000,000 credits (20,927,235)TRP LLR Sapphire: Earned 20,000,000 credits (20,495,653)Woodall LLR Sapphire: Earned 20,000,000 credits (25,444,348)321 Sieve (suspended) Sapphire: Earned 20,000,000 credits (23,450,078)Cullen/Woodall Sieve (suspended) Bronze: Earned 10,000 credits (74,346)Generalized Cullen/Woodall Sieve (suspended) Jade: Earned 10,000,000 credits (10,184,525)PPS Sieve Double Gold: Earned 500,000,000 credits (572,940,608)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (287,513)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,074,848)AP 26/27 Double Bronze: Earned 100,000,000 credits (108,603,066)WW Double Silver: Earned 200,000,000 credits (231,212,000)GFN Double Silver: Earned 200,000,000 credits (378,805,988)PSA Emerald: Earned 50,000,000 credits (72,018,672)
Message 136911 - Posted: 30 Jan 2020 | 11:28:36 UTC - in response to Message 136901.


Could it be that you have 2 BOINC clients running? Rebooting should fix that.

On the subject of rebooting, if you haven't updated your Linux kernel and rebooted since September, I suggest that it's high time to do it. Fedora especially has multiple kernel updates each year to address security issues and fix bugs.



Thanks for the info and suggestions -- as much as I agree that it likely needs some updates, I think the worst time possible to do that is just before TdP starts -- I have a vision of the future where I spend the weekend rebuilding two linux servers from scratch when something goes sideways. I'll try a reboot first and see if that takes care of it

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Joined: 1 Mar 14
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Credit: 504,783,153
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Discovered 1 mega primeFound 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de PrimesFound 1 prime in the 2020 Tour de PrimesFound 1 prime in the 2021 Tour de Primes321 LLR Jade: Earned 10,000,000 credits (10,011,570)Cullen LLR Jade: Earned 10,000,000 credits (10,009,374)ESP LLR Jade: Earned 10,000,000 credits (10,009,221)Generalized Cullen/Woodall LLR Jade: Earned 10,000,000 credits (10,012,217)PPS LLR Jade: Earned 10,000,000 credits (16,257,507)PSP LLR Jade: Earned 10,000,000 credits (10,044,081)SoB LLR Jade: Earned 10,000,000 credits (10,064,750)SR5 LLR Jade: Earned 10,000,000 credits (10,002,051)SGS LLR Jade: Earned 10,000,000 credits (10,001,295)TRP LLR Jade: Earned 10,000,000 credits (10,002,411)Woodall LLR Jade: Earned 10,000,000 credits (10,013,921)321 Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,004,228)Generalized Cullen/Woodall Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,047,667)PPS Sieve Sapphire: Earned 20,000,000 credits (20,866,490)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,043,271)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,015,177)AP 26/27 Sapphire: Earned 20,000,000 credits (20,045,194)WW Jade: Earned 10,000,000 credits (11,676,000)GFN Emerald: Earned 50,000,000 credits (55,355,287)PSA Double Silver: Earned 200,000,000 credits (200,301,443)
Message 136913 - Posted: 30 Jan 2020 | 11:56:10 UTC - in response to Message 136911.

Thanks for the info and suggestions -- as much as I agree that it likely needs some updates, I think the worst time possible to do that is just before TdP starts -- I have a vision of the future where I spend the weekend rebuilding two linux servers from scratch when something goes sideways. I'll try a reboot first and see if that takes care of it

The reason is some process has leaked a open handle to llr executable. If you have enough Linux experience, "lsof" is your friend (this is how we found this Boinc bug and made a workaround for a first time). Please read a github thread which I've posted and thread on this forum mentioned on github.

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Joined: 2 Dec 11
Posts: 447
ID: 121414
Credit: 1,681,269,042
RAC: 3,466,810
Discovered 5 mega primesFound 4 primes in the 2018 Tour de PrimesFound 2 primes in the 2019 Tour de PrimesFound 12 primes in the 2020 Tour de PrimesFound 3 primes in the 2021 Tour de PrimesFound 1 prime in the 2021 Tour de Primes Mountain Stage321 LLR Sapphire: Earned 20,000,000 credits (21,415,573)Cullen LLR Sapphire: Earned 20,000,000 credits (21,023,197)ESP LLR Sapphire: Earned 20,000,000 credits (21,937,716)Generalized Cullen/Woodall LLR Sapphire: Earned 20,000,000 credits (20,542,115)PPS LLR Emerald: Earned 50,000,000 credits (56,670,278)PSP LLR Sapphire: Earned 20,000,000 credits (22,003,717)SoB LLR Sapphire: Earned 20,000,000 credits (31,187,784)SR5 LLR Sapphire: Earned 20,000,000 credits (21,053,783)SGS LLR Sapphire: Earned 20,000,000 credits (20,927,235)TRP LLR Sapphire: Earned 20,000,000 credits (20,495,653)Woodall LLR Sapphire: Earned 20,000,000 credits (25,444,348)321 Sieve (suspended) Sapphire: Earned 20,000,000 credits (23,450,078)Cullen/Woodall Sieve (suspended) Bronze: Earned 10,000 credits (74,346)Generalized Cullen/Woodall Sieve (suspended) Jade: Earned 10,000,000 credits (10,184,525)PPS Sieve Double Gold: Earned 500,000,000 credits (572,940,608)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (287,513)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,074,848)AP 26/27 Double Bronze: Earned 100,000,000 credits (108,603,066)WW Double Silver: Earned 200,000,000 credits (231,212,000)GFN Double Silver: Earned 200,000,000 credits (378,805,988)PSA Emerald: Earned 50,000,000 credits (72,018,672)
Message 136918 - Posted: 30 Jan 2020 | 13:26:58 UTC - in response to Message 136913.

Update: looks like a simple reboot resolved it for now, it has gone at least an hour with no errors. I'll keep an eye out and probably update the machines in early march, if all goes well :)

I'm definitely more of a tinkerer than expert with linux, but I'll have to read about that command and maybe see if I can dig in if the issue happens again

Message boards : Problems and Help : random error on PPSE after ~15 sec on linux

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