Got the bug "unable to handle kernel paging request" on rebooting
2.6.27-rc2-next-20080811
method to reproduce:
reboot the machine via xterm or gnome-terminal. observe the messages
during the reboot in another machine's terminal which is connected to
it through a serial port setup.
commit 299be36648adc14e4627173d00c18b11d08e5ecd
Author: Stephen Rothwell <sfr@canb.auug.org.au>5ecd
Date: Mon Aug 11 16:30:46 2008 +1000
Bug info:
[ 925.528434] =======================
[ 925.532104] returning * Stopping GNOME Display Manager... <6>compiz.r]
[ 935.594726] BUG: unable to handle kernel paging request at 6b6b6ba3
[ 935.601277] IP: [<c02cea1a>] do_tty_hangup+0xda/0x440
[ 935.606379] *pde = 00000000
[ 935.609287] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
[ 935.612385] last sysfs file: /sys/devices/pci0000:00/0000:00:1f.5/modalias
[ 935.612385] Modules linked in: i915 drm binfmt_misc rfcomm l2cap bluetooth pe
[ 935.612385]
[ 935.612385] Pid: 6392, comm: gnome-terminal Not tainted (2.6.27-rc2-next-200)
[ 935.612385] EIP: 0060:[<c02cea1a>] EFLAGS: 00010246 CPU: 0
[ 935.612385] EIP is at do_tty_hangup+0xda/0x440
[ 935.612385] EAX: 6b6b6b6b EBX: 00000286 ECX: 00000000 EDX: 00000001
[ 935.612385] ESI: ffffffff EDI: f3918830 EBP: e6065d08 ESP: e6065ce0
[ 935.612385] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 935.612385] Process gnome-terminal (pid: 6392, ti=e6064000 task=e60a4100 tas)
[ 935.612385] Stack: 00000000 f3918894 00000000 00000000 f3918844 00000001 000
[ 935.612385] f3918830 f4ebd820 e6065d10 c02ced8d e6065d24 c02d548e 000
[ 935.612385] f3908000 e6065da8 c02cf70c 00000202 c037d790 000000a9 f50
[ 935.612385] Call Trace:
[ 935.612385] [<c02ced8d>] ? tty_vhangup+0xd/0x10
[ 935.612385] [<c02d548e>] ? pty_close+0xfe/0x140
[ 935.612385] [<c02cf70c>] ? release_dev+0x13c/0x500
[ 935.612385] [<c037d790>] ? sock_destroy_inode+0x10/0x20
[ 935.612385] [<c0155a0b>] ? trace_hardirqs_on+0xb/0x10
[ 935.612385] [<c01ba033>] ? ...