> Ok, we used to get this occasionally on cluster nodes, and we just got it > on a fileserver (very bad). The system is discovered to be unresponsive: > it doesn't ping, and plugging a console in, you can see that it's not > dead, but there nothing at all on the screen, nor does it respond to even > <ctrl-alt-del>. The only answer is to power cycle it; it comes up fine. > > Nothing in /var/log/dmesg or /var/log/messages. No abrts I can find. sar > tells me it went unredponsive between 18:10 and 10:20 yesterday. Note that > there are no further entries in sar, either, for yesterday, after the > event, and nothing till I power cycled it. > > Has anyone else seen this - I can't imagine it's only us - or have any > thoughts? > > C 7, 7.6.1810 I saw such an issue recently and never found out what happened and why. Regards, Simon