After upgrading my kernel (see https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1198210), i see now that the text which briefly flashes across the screen during the 'crash' after attempting to login is:
[ 12.901625] nouveau E[ PGRAPH][0000:01:00.0] ROP0 ch 1 [0x000007fc92] 0x80000000 0x80000001 [ 12.901701] nouveau E[ PGRAPH][0000:01:00.0] ROP1 ch 1 [0x000007fc92] 0x80000000 0x80000001
Same bug?
After upgrading my kernel (see https:/ /bugs.launchpad .net/ubuntu/ +source/ lightdm/ +bug/1198210), i see now that the text which briefly flashes across the screen during the 'crash' after attempting to login is:
[ 12.901625] nouveau E[ PGRAPH] [0000:01: 00.0] ROP0 ch 1 [0x000007fc92] 0x80000000 0x80000001 [0000:01: 00.0] ROP1 ch 1 [0x000007fc92] 0x80000000 0x80000001
[ 12.901701] nouveau E[ PGRAPH]
Same bug?