Stderr output

<core_client_version>8.3.0</core_client_version>
<![CDATA[
<message>
process exited with code 195 (0xc3, -61)</message>
<stderr_txt>
15:50:59 (24532): wrapper (7.7.26015): starting
15:50:59 (24532): wrapper: running run_atlas (--nthreads 8)
[2025-10-12 15:50:59] Arguments: --nthreads 8
[2025-10-12 15:50:59] Threads: 8
[2025-10-12 15:50:59] Checking for CVMFS
[2025-10-12 15:50:59] Probing /cvmfs/atlas.cern.ch... OK
[2025-10-12 15:50:59] Probing /cvmfs/atlas-condb.cern.ch... OK
[2025-10-12 15:50:59] Running cvmfs_config stat atlas.cern.ch
[2025-10-12 15:50:59] VERSION PID UPTIME(M) MEM(K) REVISION EXPIRES(M) NOCATALOGS CACHEUSE(K) CACHEMAX(K) NOFDUSE NOFDMAX NOIOERR NOOPEN HITRATE(%) RX(K) SPEED(K/S) HOST PROXY ONLINE
[2025-10-12 15:50:59] 2.11.0.0 6386 767 38080 151621 3 3 266987 4096001 3 130560 0 51 80.836 54431 540 http://cvmfs-stratum-one.cern.ch/cvmfs/atlas.cern.ch http://141.99.253.245:3128 1
[2025-10-12 15:50:59] CVMFS is ok
[2025-10-12 15:50:59] Efficiency of ATLAS tasks can be improved by the following measure(s):
[2025-10-12 15:50:59] The CVMFS client on this computer should be configured to use Cloudflare's openhtc.io.
[2025-10-12 15:50:59] Further information can be found at the LHC@home message board.
[2025-10-12 15:50:59] Using apptainer image /cvmfs/atlas.cern.ch/repo/containers/fs/singularity/x86_64-centos7
[2025-10-12 15:50:59] Checking for apptainer binary...
[2025-10-12 15:50:59] /usr/bin/which: no apptainer in (/opt/ohpc/pub/libs/singularity/3.7.1/bin:/cm/shared/apps/slurm/current/sbin:/cm/shared/apps/slurm/current/bin:/home/mf493845/.local/bin:/home/mf493845/bin:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin)
[2025-10-12 15:50:59] apptainer is not installed, using version from CVMFS
[2025-10-12 15:50:59] Checking apptainer works with /cvmfs/atlas.cern.ch/repo/containers/sw/apptainer/x86_64-el7/current/bin/apptainer exec -B /cvmfs /cvmfs/atlas.cern.ch/repo/containers/fs/singularity/x86_64-centos7 hostname
[2025-10-12 15:50:59] WARNING: Environment variable TMPDIR already has value [/tmp/job_10510140/atlas/pilot/slots/0/.apptainertmp], will not forward new value [/tmp] from parent process environment hpc-node201
[2025-10-12 15:50:59] apptainer works
[2025-10-12 15:50:59] Set ATHENA_PROC_NUMBER=8
[2025-10-12 15:50:59] Set ATHENA_CORE_NUMBER=8
[2025-10-12 15:50:59] Starting ATLAS job with PandaID=6839220987
[2025-10-12 15:50:59] Running command: /cvmfs/atlas.cern.ch/repo/containers/sw/apptainer/x86_64-el7/current/bin/apptainer exec -B /cvmfs,/tmp/job_10510140/atlas/pilot/slots/0 /cvmfs/atlas.cern.ch/repo/containers/fs/singularity/x86_64-centos7 sh start_atlas.sh
[2025-10-12 15:51:05] Job failed
[2025-10-12 15:51:05] WARNING: Environment variable TMPDIR already has value [/tmp/job_10510140/atlas/pilot/slots/0/.apptainertmp], will not forward new value [/tmp] from parent process environment
[2025-10-12 15:51:05] FATAL:   exec /usr/bin/sh failed: input/output error
[2025-10-12 15:51:05] ./runtime_log.err
[2025-10-12 15:51:05] ./runtime_log
16:01:05 (24532): run_atlas exited; CPU time 0.204150
16:01:05 (24532): app exit status: 0x1
16:01:05 (24532): called boinc_finish(195)

</stderr_txt>
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