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Created attachment 531113 [details] dmesg output, after starting X and login. Description of problem: Mouse pointer stops moving, caps lock leds don't toggle, no response to pings on lan/wlan interface. Almost default FC15 install. Happens both in KDE and Gnome sessions, sometimes right in the login screen while typing password. Single mode working fine, updating all packages to newest version didn't solve the problem. How reproducible: Always, but sometimes it takes a while. Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info: No fancy hardware, just upgraded memory from 1 to 4GB. Memtest ran for few hours reporting no errors. W7S runs fine.
There's nothing at all in dmesg that gives any indication of an error. Could you install kernel-debug and see if you can get some kind of traceback?
Can't reproduce the crash. After installing kernel-debug and booting '.debug' kernel, system was stable. Tried original non-debug kernels as well (all have been crashing previously) and found no issues.
OK. We'll close this out for now. If it happens again and you get some more data, please reopen.
It`s this bug: https://bugzilla.redhat.com/show_bug.cgi?id=717211