| Name | KAaKDmixGg8n9Rq4apOajLDm4fhM0noT9bVo0NGKDmlOGKDmZyXKMn_1 |
| Workunit | 237684390 |
| Created | 20 Nov 2025, 12:17:08 UTC |
| Sent | 20 Nov 2025, 14:41:44 UTC |
| Report deadline | 28 Nov 2025, 14:41:44 UTC |
| Received | 20 Nov 2025, 14:54:35 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 195 (0x000000C3) EXIT_CHILD_FAILED |
| Computer ID | 10587392 |
| Run time | 10 min 4 sec |
| CPU time | |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 37.91 GFLOPS |
| Application version | ATLAS Simulation v3.01 (native_mt) x86_64-pc-linux-gnu |
| Peak working set size | 1.74 MB |
| Peak swap size | 110.99 MB |
| Peak disk usage | 391.54 MB |
Stderr output
<core_client_version>7.20.2</core_client_version> <![CDATA[ <message> process exited with code 195 (0xc3, -61)</message> <stderr_txt> 15:42:06 (97821): wrapper (7.7.26015): starting 15:42:06 (97821): wrapper: running run_atlas (--nthreads 12) [2025-11-20 15:42:06] Arguments: --nthreads 12 [2025-11-20 15:42:06] Threads: 12 [2025-11-20 15:42:06] Checking for CVMFS [2025-11-20 15:42:06] Probing /cvmfs/atlas.cern.ch... OK [2025-11-20 15:42:06] Probing /cvmfs/atlas-condb.cern.ch... OK [2025-11-20 15:42:06] Running cvmfs_config stat atlas.cern.ch [2025-11-20 15:42:07] 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 [2025-11-20 15:42:07] 2.7.4.0 12469 144928 83832 153084 4 1 30085391 51200001 0 65024 0 1873411 99.4051 5136150 1233 http://cvmfs-stratum-one.cern.ch:8000/cvmfs/atlas.cern.ch http://150.244.244.168:3128 1 [2025-11-20 15:42:07] CVMFS is ok [2025-11-20 15:42:07] Efficiency of ATLAS tasks can be improved by the following measure(s): [2025-11-20 15:42:07] The CVMFS client on this computer should be configured to use Cloudflare's openhtc.io. [2025-11-20 15:42:07] Further information can be found at the LHC@home message board. [2025-11-20 15:42:07] Using apptainer image /cvmfs/atlas.cern.ch/repo/containers/fs/singularity/x86_64-centos7 [2025-11-20 15:42:07] Checking for apptainer binary... [2025-11-20 15:42:07] which: no apptainer in (/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin) [2025-11-20 15:42:07] apptainer is not installed, using version from CVMFS [2025-11-20 15:42:07] 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 [2025-11-20 15:42:07] apptainer isnt working: INFO : A system administrator may need to enable user namespaces, install [2025-11-20 15:42:07] INFO : apptainer-suid, or compile with ./mconfig --with-suid [2025-11-20 15:42:07] [91mERROR : Failed to create user namespace: user namespace disabled [2025-11-20 15:42:07] [0m [2025-11-20 15:42:07] It looks like user namespaces are not enabled, which are required when running apptainer from CVMFS. [2025-11-20 15:42:07] Please run the following command as root to enable them: [2025-11-20 15:42:07] echo "user.max_user_namespaces = 15000" > /etc/sysctl.d/90-max_user_namespaces.conf; sysctl -p /etc/sysctl.d/90-max_user_namespaces.conf 15:52:08 (97821): run_atlas exited; CPU time 0.250775 15:52:08 (97821): app exit status: 0x1 15:52:08 (97821): called boinc_finish(195) </stderr_txt> ]]>
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