[19:17:30] 10Quarry, 10cloud-services-team (Kanban): quarry-nfs-1 went down; quarry is offline - https://phabricator.wikimedia.org/T302154 (10RhinosF1) p:05High→03Unbreak! Crashed again [19:18:03] 10Quarry: Quarry has become inaccessible - https://phabricator.wikimedia.org/T302180 (10Huji) [19:18:23] 10Quarry: Quarry has become inaccessible - https://phabricator.wikimedia.org/T302180 (10Huji) p:05Triage→03Unbreak! [19:18:28] 10Quarry: Quarry has become inaccessible - https://phabricator.wikimedia.org/T302180 (10RhinosF1) [19:18:32] 10Quarry, 10cloud-services-team (Kanban): quarry-nfs-1 went down; quarry is offline - https://phabricator.wikimedia.org/T302154 (10RhinosF1) [19:19:05] 10Quarry: Quarry has become inaccessible ("502 Bad Gateway") - https://phabricator.wikimedia.org/T302180 (10Aklapper) [19:21:06] 10Quarry, 10cloud-services-team (Kanban): quarry-nfs-1 went down; quarry is offline - https://phabricator.wikimedia.org/T302154 (10RhinosF1) For the record: > 19:02:04 (InstanceDown) firing: Project quarry instance quarry-nfs-1 is down  - https://prometheus-alerts.wmcloud.org > 19:19:04 10Quarry, 10cloud-services-team (Kanban): quarry-nfs-1 went down; quarry is offline - https://phabricator.wikimedia.org/T302154 (10RhinosF1) [23:35:40] 10Quarry, 10cloud-services-team (Kanban): quarry-nfs-1 went down; quarry is offline - https://phabricator.wikimedia.org/T302154 (10zhuyifei1999) kernel bug. RCU should not stall. [23:49:13] 10Quarry, 10cloud-services-team (Kanban): quarry-nfs-1 went down; quarry is offline - https://phabricator.wikimedia.org/T302154 (10zhuyifei1999) > The VM was fully unresponsible, even the serial console didn't react at all. Is it possible to send a [[https://en.wikipedia.org/wiki/Magic_SysRq_key|sysrq]]? If...