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SIGSEGV error batch 564

SIGSEGV error batch 564

Questions and Answers : Unix/Linux : SIGSEGV error batch 564
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bernard_ivo

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Message 59784 - Posted: 11 Mar 2019, 17:25:21 UTC
Last modified: 11 Mar 2019, 18:00:42 UTC

I got two WUs from batch 564 hadcm3s issued April 2017. Do not know whether it's been resolved.
hadcm3s_83yo_201412_120_564_011007443
hadcm3s_836f_201412_120_564_011006426_2

<core_client_version>7.9.3</core_client_version>
<![CDATA[
<message>
process exited with code 22 (0x16, -234)</message>
<stderr_txt>
SIGSEGV: segmentation violation
Stack trace (10 frames):
/mnt/2home/boinc-client/projects/climateprediction.net/hadcm3s_um_8.34_i686-pc-linux-gnu(boinc_catch_signal+0x67)[0x846bdc7]
linux-gate.so.1(__kernel_sigreturn+0x0)[0xf7fbc070]
/mnt/2home/boinc-client/projects/climateprediction.net/hadcm3s_um_8.34_i686-pc-linux-gnu[0x839e89e]
/mnt/2home/boinc-client/projects/climateprediction.net/hadcm3s_um_8.34_i686-pc-linux-gnu[0x80d49c7]
/mnt/2home/boinc-client/projects/climateprediction.net/hadcm3s_um_8.34_i686-pc-linux-gnu[0x80818df]
/mnt/2home/boinc-client/projects/climateprediction.net/hadcm3s_um_8.34_i686-pc-linux-gnu[0x83e6fd1]
/mnt/2home/boinc-client/projects/climateprediction.net/hadcm3s_um_8.34_i686-pc-linux-gnu[0x84018f9]
/mnt/2home/boinc-client/projects/climateprediction.net/hadcm3s_um_8.34_i686-pc-linux-gnu[0x83f867f]
/mnt/2home/boinc-client/projects/climateprediction.net/hadcm3s_um_8.34_i686-pc-linux-gnu[0x840346d]
/lib/i386-linux-gnu/libc.so.6(__libc_start_main+0xf1)[0xf7cb0e81]

Edit: Are these relevant at all, they were issued 2 years ago (2017) and were resent two years later. Where were they hanging? I have a 3rd one running ok so far, but should I abort it?
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Profile geophi
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Message 59786 - Posted: 11 Mar 2019, 19:04:39 UTC

I doubt that the output from those models would be used. As you said, it was 2 years ago. About 60% of those work units from that batch completed successfully. If they had needed more output, they probably would have issued a new batch for it rather than waiting 2 years for the stragglers to come it.

However, I will ask Sarah if these tasks should even be regenerating. It seems odd.
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bernard_ivo

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Message 59790 - Posted: 12 Mar 2019, 6:03:53 UTC - in response to Message 59786.  

Thanks, it seems few hundred of this model were generated on 11 march and can be seen at the Enhanced Climateprediction (CPDN) status page of Tullus. I will keep running the 3rd WUs at least until the first zip.
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Profile Dave Jackson
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Message 59792 - Posted: 12 Mar 2019, 7:15:57 UTC - in response to Message 59790.  

[quote]Thanks, it seems few hundred of this model were generated on 11 march and can be seen at the Enhanced Climateprediction (CPDN) status page of Tullus. /quote]

That would explain the increase in the number of hadcm3s tasks running on the Project Status Page. I looked for and couldn't find evidence of a new batch that had escaped the batch list and other places where new work is discussed.
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bernard_ivo

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Message 59806 - Posted: 13 Mar 2019, 17:58:35 UTC - in response to Message 59786.  

I doubt that the output from those models would be used. As you said, it was 2 years ago. About 60% of those work units from that batch completed successfully. If they had needed more output, they probably would have issued a new batch for it rather than waiting 2 years for the stragglers to come it.

However, I will ask Sarah if these tasks should even be regenerating. It seems odd.


It uploaded its 2nd zip, no second trickle and having in mind the output will not be used I will abort it.
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