Linux (Centos 7.5, and Ubuntu 14.05LTS) a7 core failures

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Linux (Centos 7.5, and Ubuntu 14.05LTS) a7 core failures

Postby parkut » Mon Jul 02, 2018 6:13 pm

I am seeing core failures across dozens of machines I manage. This has been going on for several weeks now.
I did spot discussion of a similar (or same) issue here: viewtopic.php?f=72&t=30851
But, the proposed fix for Ubuntu systems did not resolve the issue. Is there a cure?

Code: Select all
18:02:04:WU01:FS00:Starting
18:02:04:WU01:FS00:Running FahCore: /usr/bin/FAHCoreWrapper /var/lib/fahclient/cores/cores.foldingathome.org/Linux/AMD64/AVX/Core_a7.fah/FahCore_a7 -dir 01 -suffix 01 -version 704 -lifeline 25424 -checkpoint 15 -np 8
18:02:04:WU01:FS00:Started FahCore on PID 25450
18:02:04:WU01:FS00:Core PID:25454
18:02:04:WU01:FS00:FahCore 0xa7 started
18:02:04:WARNING:WU01:FS00:FahCore returned: FAILED_2 (1 = 0x1)
18:02:04:WARNING:WU01:FS00:Too many errors, failing
18:02:04:WU01:FS00:Sending unit results: id:01 state:SEND error:FAILED project:14062 run:4 clone:41 gen:73 core:0xa7 unit:0x000000610002894b5b0c332146e26004
18:02:04:WU01:FS00:Connecting to 155.247.166.219:8080
18:02:05:WU01:FS00:Server responded WORK_ACK (400)
18:02:05:WU01:FS00:Cleaning up


Code: Select all
# ldd FahCore_a7
./FahCore_a7: /lib64/libstdc++.so.6: version `CXXABI_1.3.9' not found (required by ./FahCore_a7)
./FahCore_a7: /lib64/libstdc++.so.6: version `GLIBCXX_3.4.21' not found (required by ./FahCore_a7)
        linux-vdso.so.1 =>  (0x00007ffee01bf000)
        libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f966972e000)
        libdl.so.2 => /lib64/libdl.so.2 (0x00007f966952a000)
        libstdc++.so.6 => /lib64/libstdc++.so.6 (0x00007f9669223000)
        libm.so.6 => /lib64/libm.so.6 (0x00007f9668f21000)
        libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f9668d0b000)
        libc.so.6 => /lib64/libc.so.6 (0x00007f966893e000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f966acbb000)
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Re: Linux (Centos 7.5, and Ubuntu 14.05LTS) a7 core failures

Postby bruce » Tue Jul 03, 2018 5:40 am

Ubuntu 14.04 (aka Trusty Tahr) was released in April of 2014, not May. There is no 14.05. You probably meant 14.04.05 LTS.

I did get a new version of Core_a7 yesterday so there's a chance it has been fixed. II don't know what changed when Version: 0.0.17 replaced Version: 0.0.16. The logs you posted don't show the applicable version number which is displayed when FAHCore_a7 starts.

As you've been told, the missing those entry points are in a version updated C++ libs and gcc. The instructions to update Ubuntu are here Another reasonable possibility is to update your OS to a later version. Support for 14.04 will be ending soon anyway.
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Re: Linux (Centos 7.5, and Ubuntu 14.05LTS) a7 core failures

Postby bruce » Tue Jul 03, 2018 5:48 am

Ubuntu 14.04 (aka Trusty Tahr) was released in April of 2014, not May. There is no 14.05. You probably meant 14.04.05 LTS.

I did get a new version of Core_a7 yesterday so there's a chance it has been fixed. Version: 0.0.17 replaced Version: 0.0.16.

As you've been told, the missing those entry points are in a version updated C++ libs and gcc. The instructions to update Ubuntu are here Another reasonable possibility is to update your OS to a later version. Support for 14.04 will be ending soon anyway.
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Re: Linux (Centos 7.5, and Ubuntu 14.05LTS) a7 core failures

Postby toTOW » Thu Jul 05, 2018 7:49 pm

I have the same issue and core A7 started to fail on 14.04, probably after an update that broke the libs ... :(
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