Sometimes arch freezes and even CTRL+ALT+F* doesn't work!

Hi there!
I'm giving archlinux a try for about one month now.
In this time I had several system "freezes", where I had to power off the computer, because CTRL+ALT+F* (for switching to console) or CTRL+ALT+DEL (for reboot) didn't work.
E.g. yesterday I got a freeze, while playing around with virtualbox, when I changed an usb device setting. Or a week ago I had a system freeze, when I changed OSS to ALSA in audacious while playing a mp3..
It is ok for me when a program crashes BUT what I expect from linux is that it  doesn't freeze just because of some crashed program?
I am shure this isnt normal right?
Somehow I miss a "real emergency" shortcut which always responds and e.g. kills X or every 100% CPU process..
Is there something like this?
My system is arch_64, ATI fglrx, no WM (just compiz)

Count me 3, I've been having these freezes for quite some time now. I use only openbox so I don't think it's WM/DE specifc. I think the problem lies to the combination of kernel .34, xorg 1.8 and catalyst. Oh and reisub doesn't work either and yes I have enabled. It's very frustrating...
Edit: Seems it's kernel specific. I downgraded to .33 and so far no freeze. Give it a try.
Last edited by maevius (2010-07-02 23:52:05)

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