I tested the latest kernel 3.5.0-34-generic #55-Ubuntu (x86_64) from the -proposed repository, and I no longer get a kernel panic.
Specifically, I have been running 3.5.0-34-generic #55 for three hours without problem. I do get the following messages in 'dmesg' which (according to https://bugs.mageia.org/show_bug.cgi?id=9877) has been fixed in AMD Catalyst 13.6Beta: [ 25.757523] [fglrx:firegl_get_console_mode_info] *ERROR* Get Console Mode failed [ 32.032428] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. [ 32.038731] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. [ 33.709792] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. [ 33.718943] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. [ 34.618955] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. [ 34.625297] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. [ 115.801277] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. [ 115.813312] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. [ 3722.470974] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. [ 3722.483244] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. [ 3725.305886] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. [ 3725.313037] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. [ 6824.133539] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. [ 6824.140255] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. [ 7070.769180] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. [ 7070.775846] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. [ 9820.946365] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. [ 9820.955647] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. [ 9823.444468] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. [ 9823.451110] [fglrx:firegl_apl_loadDatabase] *ERROR* APL: apl initialize fail. ** Bug watch added: bugs.mageia.org/ #9877 https://bugs.mageia.org/show_bug.cgi?id=9877 ** Changed in: linux (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1187338 Title: Kernel panic / hard freeze lock with 3.5.0-31-generic (fglrx) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1187338/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs