On Wed, 1 Sept 2021 at 00:46, Dino Ciuffetti <d...@tuxweb.it> wrote:
> Reading the source code: > > From mod_slotmem_shm: > ... > 401 apr_shm_remove(fname, pool); > 402 rv = apr_shm_create(&shm, size, fname, gpool); > ... > 408 ap_log_error(APLOG_MARK, rv == APR_SUCCESS ? APLOG_DEBUG : > APLOG_ERR, > 409 rv, ap_server_conf, APLOGNO(02611) > 410 "create: apr_shm_%s(%s) %s", > 411 fbased && is_child_process() ? "attach" : > "create", > 412 fname, rv == APR_SUCCESS ? "succeeded" : > "failed"); > > > Autoconf defines APR_USE_SHMEM_SHMGET for SHM namebased memory allocation > ... > decision on anonymous shared memory allocation method... 4.4BSD-style > mmap() via MAP_ANON > decision on namebased memory allocation method... SysV IPC shmget() > > > in APR, shm.c, apr_shm_create(): > 380 if ((new_m->shmid = shmget(new_m->shmkey, new_m->realsize, > 381 SHM_R | SHM_W | IPC_CREAT | > IPC_EXCL)) < 0) { > 382 apr_file_close(file); > 383 return errno; > 384 } > > > From shmget() manual page, possible errors in errno: > ENOSPC: All possible shared memory IDs have been taken (SHMMNI), or > allocating a segment of the requested size would cause the system to > exceed the system-wide limit on shared memory (SHMALL). > > So your "No space left on device" is not on your filesystem but on your > shared memory sysv. > > Since SHMALL on a 64bit linux system is very big (please try this: cat > /proc/sys/kernel/shmall), I would bet on a low SHMMNI value on your system > (pls: cat /proc/sys/kernel/shmmni) > > SHMMNI is the global maximum number of shared memory segments on your > system. > Default on Ubuntu should be 4096. Please try to increase the value (echo > 8192 > /proc/sys/kernel/shmmni) or more. > > > HTH. > Ciao, Dino. > > > > 27 agosto 2021 11:43, "Spil Oss" <spil....@gmail.com> wrote: > > > Hi, > > > > I've been experiencing a failed apache2 service on Ubuntu 21.04 when > > performing a reload using the `systemctl reload apache2` command. The > > command does not always fail, but seems to be failing more often as > > the number of vhosts increases (currently ca 120). My > > > > The `systemctl reload apache2` command exits without error, but the > > service ends up in a failed state. Running `systemctl start apache2` > > after this failure starts the service without issues. > > I had taken to do running `systemctl reload apache2; systemctl status > > apache2` to validate that I have a running service, but this would > > report "success" even when the service is "failed". > > > > Expecting some timing issue, I increased the "RestartSec" systemd > > parameter to 500ms using > > `/etc/systemd/system/apache2.service.d/override.conf` > > [Service] > > RestartSec=500ms > > > > This has not fixed the issue either. > > > > Testing the reload using `apachectl -k graceful` can also trigger the > > "failed" state of the process. > > > > The consistent error is with the persistence of shared memory > > segments. The indicated error is incorrect, there's plenty of space on > > the filesystem. The configuration has been kept as close as possible > > to the default Ubuntu config. > > > > My gut feeling is some weird interaction between graceful and systemd > > as seen in the logs. The RestartSec change not solving the problem > > kind of goes against that. > > > > Any help appreciated! Thanks, Bernard Spil. > > > > $ df -h /var/run/apache2/ > > Filesystem Size Used Avail Use% Mounted on > > tmpfs 1.6G 6.6M 1.6G 1% /run > > > > $ ls mods-enabled/*.load | sed 's/mods-enabled\///;s/\.load//' > > access_compat > > alias > > auth_mellon > > authn_core > > authn_file > > authz_core > > authz_host > > authz_user > > brotli > > deflate > > dir > > env > > filter > > headers > > http2 > > lbmethod_byrequests > > mime > > mpm_event > > negotiation > > proxy > > proxy_balancer > > proxy_http > > proxy_http2 > > proxy_wstunnel > > remoteip > > reqtimeout > > rewrite > > setenvif > > slotmem_shm > > socache_shmcb > > ssl > > status > > > > /var/log/apache2/error.log: > > [Fri Aug 27 00:00:18.881934 2021] [mpm_event:notice] [pid 138928:tid > > 140168396681856] AH00493: SIGUSR1 received. Doing graceful restart > > [Fri Aug 27 00:00:19.155640 2021] [slotmem_shm:error] [pid 138928:tid > > 140168396681856] (28)No space left on device: AH02611: create: > > > apr_shm_create(/var/run/apache2/slotmem-shm-pd38fd8d0_acc_example_org_6.shm) > > failed > > [Fri Aug 27 00:00:19.155679 2021] [:emerg] [pid 138928:tid > > 140168396681856] AH00020: Configuration Failed, exiting > > [Fri Aug 27 00:05:01.645184 2021] [core:warn] [pid 166984:tid > > 140602886914688] AH00098: pid file /var/run/apache2/apache2.pid > > overwritten -- Unclean shutdown of previous Apache run? > > [Fri Aug 27 00:05:01.656692 2021] [mpm_event:notice] [pid 166984:tid > > 140602886914688] AH00489: Apache/2.4.46 (Ubuntu) OpenSSL/1.1.1j > > configured -- resuming normal operations > > [Fri Aug 27 00:05:01.656748 2021] [core:notice] [pid 166984:tid > > 140602886914688] AH00094: Command line: '/usr/sbin/apache2' > > > > journalctl: > > Aug 27 02:00:13 web01.example.org systemd[1]: Starting Rotate log > files... > > Aug 27 02:00:18 web01.example.org systemd[1]: Reloading The Apache HTTP > Server. > > Aug 27 02:00:18 web01.example.org systemd[1]: Reloaded The Apache HTTP > Server. > > Aug 27 02:00:18 web01.example.org systemd[1]: logrotate.service: > Succeeded. > > Aug 27 02:00:18 web01.example.org systemd[1]: Finished Rotate log files. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Main > > process exited, code=exited, status=1/FAILURE > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164444 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 166489 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164446 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164448 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164450 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164452 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164454 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164456 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164458 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164459 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164460 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164461 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164462 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164463 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164464 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164465 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164466 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164467 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164468 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164469 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164470 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164471 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164472 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164473 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164474 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164475 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164476 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164477 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164478 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164479 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164480 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164481 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164482 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164483 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164484 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164485 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164486 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164487 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164488 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164489 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164490 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164491 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164490 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164491 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164492 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164493 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164494 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164495 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164496 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164497 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164498 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164499 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164500 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164501 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164502 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164503 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164504 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164505 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164506 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164507 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164508 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164509 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164510 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164511 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164512 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164513 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164514 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164515 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164516 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164517 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164518 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164519 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164520 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164521 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164522 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164523 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164524 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164525 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164526 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164527 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164528 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164529 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164530 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164531 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164532 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164533 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164534 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164535 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164536 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164537 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164538 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164539 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164540 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164573 (apache2) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Killing > > process 164606 (n/a) with signal SIGKILL. > > Aug 27 02:00:19 web01.example.org systemd[1]: apache2.service: Failed > > with result 'exit-code'. > > Aug 27 02:05:01 web01.example.org CRON[166975]: > > pam_unix(cron:session): session opened for user root by (uid=0) > > Aug 27 02:05:01 web01.example.org CRON[166976]: (root) CMD > > (/root/bin/apache-workaround) > > Aug 27 02:05:01 web01.example.org systemd[1]: Starting The Apache HTTP > Server... > > Aug 27 02:05:01 web01.example.org systemd[1]: Started The Apache HTTP > Server. > > > > When running a vanilla `apachectl -k graceful`: > > Aug 27 10:47:18 web01.sias.intra.lighting.com sudo[176897]: sysadmin: > > TTY=pts/0 ; PWD=/etc/apache2 ; USER=root ; COMMAND=/usr/sbin/apachectl > > -k graceful > > Aug 27 10:47:18 web01.sias.intra.lighting.com sudo[176897]: > > pam_unix(sudo:session): session opened for user root by > > sysadmin(uid=1000) > > Aug 27 10:47:18 web01.sias.intra.lighting.com sudo[176897]: > > pam_unix(sudo:session): session closed for user root > > Aug 27 10:47:19 web01.sias.intra.lighting.com systemd[1]: > > apache2.service: Main process exited, code=exited, status=1/FAILURE > > Aug 27 10:47:19 web01.sias.intra.lighting.com systemd[1]: > > apache2.service: Killing process 173239 (apache2) with signal SIGKILL. > > Aug 27 10:47:19 web01.sias.intra.lighting.com systemd[1]: > > apache2.service: Killing process 174924 (apache2) with signal SIGKILL. > > ...snip... > > Aug 27 10:47:19 web01.sias.intra.lighting.com systemd[1]: > > apache2.service: Killing process 176797 (apache2) with signal SIGKILL. > > Aug 27 10:47:19 web01.sias.intra.lighting.com systemd[1]: > > apache2.service: Killing process 176838 (n/a) with signal SIGKILL. > > Aug 27 10:47:19 web01.sias.intra.lighting.com systemd[1]: > > apache2.service: Failed with result 'exit-code'. > > Aug 27 10:47:20 web01.sias.intra.lighting.com sudo[176903]: sysadmin: > > TTY=pts/0 ; PWD=/etc/apache2 ; USER=root ; COMMAND=/usr/bin/systemctl > > status apache2 > > Aug 27 10:47:20 web01.sias.intra.lighting.com sudo[176903]: > > pam_unix(sudo:session): session opened for user root by > > sysadmin(uid=1000) > > Aug 27 10:47:20 web01.sias.intra.lighting.com sudo[176903]: > > pam_unix(sudo:session): session closed for user root > > Aug 27 10:47:34 web01.sias.intra.lighting.com sudo[176906]: sysadmin: > > TTY=pts/0 ; PWD=/etc/apache2 ; USER=root ; COMMAND=/usr/bin/systemctl > > start apache2 > > Aug 27 10:47:34 web01.sias.intra.lighting.com sudo[176906]: > > pam_unix(sudo:session): session opened for user root by > > sysadmin(uid=1000) > > Aug 27 10:47:34 web01.sias.intra.lighting.com systemd[1]: Starting The > > Apache HTTP Server... > > Aug 27 10:47:34 web01.sias.intra.lighting.com systemd[1]: Started The > > Apache HTTP Server. > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: users-unsubscr...@httpd.apache.org > 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