Matthias Apitz <guru@unixarea.de> writes:
> We have a PostgreSQL 15.1 server in production at a customer for some
> weeks (migrated from an older version) on SuSE SLES 15.
> The customer is facing machine locks and before the Linux server does
> not respond any more (not even on SSH, only power-cycle reset helps to
> get it back), short before the fault a lot of messages are in
> /var/log/messages of the content:
> # grep watchdog: /var/log/messages
> ...
> 2024-03-22T13:11:32.056154+01:00 sunrise kernel: [327844.313048][ C25] watchdog: BUG: soft lockup - CPU#25 stuck
for3069s! [migration/25:166]
> 2024-03-22T13:12:28.056244+01:00 sunrise kernel: [327900.310267][ C16] watchdog: BUG: soft lockup - CPU#16 stuck
for3124s! [postmaster:2273]
> 2024-03-22T13:12:28.056340+01:00 sunrise kernel: [327900.311052][ C25] watchdog: BUG: soft lockup - CPU#25 stuck
for3121s! [migration/25:166]
Sounds like failing hardware to me :-(
regards, tom lane