| Name | m7yMDmuRr38nsSi4ap6QjLDmwznN0nGgGQJmNLGKDmNB5KDmTZ3BJn_2 |
| Workunit | 238676138 |
| Created | 24 Jan 2026, 23:20:01 UTC |
| Sent | 25 Jan 2026, 3:46:49 UTC |
| Report deadline | 2 Feb 2026, 3:46:49 UTC |
| Received | 25 Jan 2026, 3:58:30 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 3 sec |
| CPU time | 0 sec |
| Priority | 28 |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 38.10 GFLOPS |
| Application version | ATLAS Simulation v3.01 (native_mt) x86_64-pc-linux-gnu |
| Peak working set size | 1.75 MB |
| Peak swap size | 110.99 MB |
| Peak disk usage | 506.79 MB |
Stderr output
<core_client_version>7.20.2</core_client_version> <![CDATA[ <message> process exited with code 195 (0xc3, -61)</message> <stderr_txt> 04:47:14 (262410): wrapper (7.7.26015): starting 04:47:14 (262410): wrapper: running run_atlas (--nthreads 12) [2026-01-25 04:47:14] Arguments: --nthreads 12 [2026-01-25 04:47:14] Threads: 12 [2026-01-25 04:47:14] Checking for CVMFS [2026-01-25 04:47:15] Probing /cvmfs/atlas.cern.ch... OK [2026-01-25 04:47:15] Probing /cvmfs/atlas-condb.cern.ch... OK [2026-01-25 04:47:15] Running cvmfs_config stat atlas.cern.ch [2026-01-25 04:47:15] 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 [2026-01-25 04:47:15] 2.7.4.0 38146 57603 67604 155494 4 1 42731378 51200001 0 65024 0 262490 96.0585 2678166 1875 http://cvmfs-stratum-one.cern.ch:8000/cvmfs/atlas.cern.ch http://150.244.244.168:3128 1 [2026-01-25 04:47:15] CVMFS is ok [2026-01-25 04:47:15] Efficiency of ATLAS tasks can be improved by the following measure(s): [2026-01-25 04:47:15] The CVMFS client on this computer should be configured to use Cloudflare's openhtc.io. [2026-01-25 04:47:15] Further information can be found at the LHC@home message board. [2026-01-25 04:47:15] Using apptainer image /cvmfs/atlas.cern.ch/repo/containers/fs/singularity/x86_64-centos7 [2026-01-25 04:47:15] Checking for apptainer binary... [2026-01-25 04:47:15] which: no apptainer in (/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin) [2026-01-25 04:47:15] apptainer is not installed, using version from CVMFS [2026-01-25 04:47:15] 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 [2026-01-25 04:47:15] apptainer isnt working: INFO : A system administrator may need to enable user namespaces, install [2026-01-25 04:47:15] INFO : apptainer-suid, or compile with ./mconfig --with-suid [2026-01-25 04:47:15] [91mERROR : Failed to create user namespace: user namespace disabled [2026-01-25 04:47:15] [0m [2026-01-25 04:47:15] It looks like user namespaces are not enabled, which are required when running apptainer from CVMFS. [2026-01-25 04:47:15] Please run the following command as root to enable them: [2026-01-25 04:47:15] echo "user.max_user_namespaces = 15000" > /etc/sysctl.d/90-max_user_namespaces.conf; sysctl -p /etc/sysctl.d/90-max_user_namespaces.conf 04:57:15 (262410): run_atlas exited; CPU time 0.249186 04:57:15 (262410): app exit status: 0x1 04:57:15 (262410): called boinc_finish(195) </stderr_txt> ]]>
©2026 CERN