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For information on how to proceed, see\nhttps://docs.opendev.org/opendev/infra-manual/latest/developers.html#automated-testing\n\nhttps://zuul.opendev.org/t/openstack/buildset/d354570b7a80470c999a122eac17cb40\n\n- openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5a898f5194014c569cc148d72fee8929 : FAILURE in 3m 42s\n- openstack-tox-cover https://zuul.opendev.org/t/openstack/build/54962884749d47febe2ea70e43f97c61 : FAILURE in 3m 45s\n- openstack-tox-lower-constraints https://zuul.opendev.org/t/openstack/build/ac0921f75c274499a4adc9779ab792ec : FAILURE in 3m 46s\n- openstack-tox-linters https://zuul.opendev.org/t/openstack/build/f3c59dda24814ec4b3ecd2e760fb1934 : FAILURE in 3m 33s\n- tox-py36 https://zuul.opendev.org/t/openstack/build/770713400d7d443e8c1939b589837aa0 : SUCCESS in 3m 42s\n- tox-py38 https://zuul.opendev.org/t/openstack/build/7a9a516a13934cc088fa2d1dcc058000 : FAILURE in 3m 58s\n- tox-py39 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LVM_RUN_BY_DMEVENTD\u003d1 for lvextend\n\nSince systemd-252, calling lvextend on /home or /srv will sometimes\n(~20%) cause the volume to be unmounted, here is the logging sequence:\n\ngrowvols[2428]: [INFO] Running: lvextend --size +17200840704B /dev/mapper/vg-lv_srv\ndmeventd[775]: No longer monitoring thin pool vg-lv_thinpool-tpool.\nkernel: dm-10: detected capacity change from 98304 to 33693696\nsystemd[1]: Stopped target Local File Systems.\nsystemd[1]: Unmounting /srv...\nkernel: XFS (dm-10): Unmounting Filesystem\ndmeventd[775]: Monitoring thin pool vg-lv_thinpool-tpool.\nsystemd[1]: srv.mount: Deactivated successfully.\nsystemd[1]: Unmounted /srv.\nsystemd[1]: systemd-fsck@dev-disk-by\\x2dlabel-fs_srv.service: Deactivated successfully.\nsystemd[1]: Stopped File System Check on /dev/disk/by-label/fs_srv.\ngrowvols[2428]: [DEBUG] Result:   Size of logical volume vg/lv_srv changed from 48.00 MiB (12 extents) to \u003c16.07 GiB (4113 extents).\ngrowvols[2428]:   Logical volume vg/lv_srv successfully resized.\n\nThe event \"Stopped target Local File Systems.\" should only happen\nwhen dmeventd notifies that the thin pool is near capacity as a safety\nmeasure, which is clearly not the case:\n\n$ lvs\n  LV          VG Attr       LSize   Pool        Origin Data%  Meta%  Move Log Cpy%Sync Convert\n  lv_audit    vg Vwi-aotz--  \u003c2.05g lv_thinpool        0.62\n  lv_home     vg Vwi-aotz--   1.16g lv_thinpool        0.88\n  lv_log      vg Vwi-aotz--  \u003c9.55g lv_thinpool        0.31\n  lv_root     vg Vwi-aotz-- \u003c11.07g lv_thinpool        18.97\n  lv_srv      vg Vwi-aotz-- \u003c16.07g lv_thinpool        0.31\n  lv_thinpool vg twi-aotz--  77.92g                    3.36   1.68\n  lv_tmp      vg Vwi-aotz--   1.16g lv_thinpool        0.88\n  lv_var      vg Vwi-aotz-- \u003c37.43g lv_thinpool        1.10\n\nI speculate that the root cause is that systemd-252 is intrepreting\nmessages from dmeventd differently since systemd-250 and either the\nmessage or the intrepretation is incorrect.\n\nThis change sets LVM_RUN_BY_DMEVENTD\u003d1 for each lvextend run, which\naccording to the dmeventd man page:\n\n  Variable is set by thin and vdo plugin to prohibit recursive\n  interation with dmeventd by any executed lvm2 command from a\n  thin_command, vdo_command environment.\n\nThis means lvextend will not trigger dmeventd, avoiding the incorrect\nunmount. Growvols is run in early boot before any workload is running,\nand growth values are assumed to not go beyond pool capacity, so it\ncould be appropriate to leave this workaround in place indefinitely.\n\nChange-Id: I8b3db19509d9da616d08f1037014f2286eaa286d\nCloses-Bug: #2149586\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/diskimage-builder/commit/814bc07c9bf23d8f33644d8d0e7f6026d456d26f"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/diskimage-builder/commit/814bc07c9bf23d8f33644d8d0e7f6026d456d26f"}]},"branch":"refs/heads/master"}},"requirements":[],"submit_records":[],"submit_requirements":[]}