Hi, Follow-up failure info. Scenario. I was running FC2 2.6.5 for one day in following "state" 1. Init Level 3 (command line) 2. Samba running and serving files to some Windows machines 3. No user logged on to Linux machine. The machine ran for one day with no problems. Today: Signed on to Linux machine using telnet from Windows machine. No problems for an hour. Started VNC server on Linux machine by issuing "vncserver" command through telnet. Logged on to Linux machine using VNC from Windows machine. VNC client and server at version 4. Various actions were taken on the Linux machine such as using Nautilus file browser were carried out through VNC. Linux machine ran for about 5 minutes then "locked". The following messages appeared on the local Linux console. *pde = 000000 oops = 0000(#30) CPU : 0 EIP : 0060 [<00000000>] Not tainted EFLAGS : 00010202 (2.6.5-1.358) EIP is at 0x0 eax : 1acbae80 ebx:002e8fco ecx:145a8b53 edx:022320e0 esi: 00000145 edi:1cd6fbbc ebp:00000002 esp:1bf488f40 ds:007b es:007b ss:0068 Process gconfd-2 (pid:2261 threadinfo=1b488000 task=1accabb0 stack: ... lots of data ... Call Trace: [<0227c0af>] unix_poll +0x16/0x81 [<022301cf>] sock_poll +0x12/0x14 [<0214f85d>] do_pollfd +0x49/0x83 [<0214fa54>] do_poll +0x49/0xa5 [<0213f423>] sys_poll+0x118/0x1c0 [<0213f423>] put_user_size +0x29/0x29 [<0214f00b>] _pollwait +0x0/0x94 [<0211a9c2>] sys_gettimeofday +0x25/0x55