[gentoo-user] Gentoo froze after 25 days of being up

[Mark Shields]

Greetings list.  I've had Gentoo on my home server for a little over a year now.  I've never had a problem with it outright freezing until recently.  Yesterday I was playing World of Warcraft on my home PC (the server is also a router, my home PC connects through it).  I have a kvm switch so I had WoW running on my main PC while I was working on the screen for the server.  I had just typed emerge -av net-ping then typed yes, it got 3 lines into the emerge and the server froze.  Internet access stopped working on the home PC (WoW disconnected), screen froze on tty1, could not change virtual screens, keyboard would not type and none of the lock keys (caps, scroll, etc.) would not work.  Ctrl+alt+del wouldn't work, and I couldn't even ssh into it.  I wasn't do anything particularly out of the ordinary with the server, either: I had done an esync, like I do  everyday, and updated world.  I was emerging net-ping because I thought it was a cyclic pinger, although I ended up finding out pinger was the app I wanted.

So that's the background information.  Here's the question:  Is there anyway to find out why it froze?
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- Mark Shields