Linux 2.6 poweroff crash

[Dale Kemp <dwkemp@iinet.net.au>]

Hi,

After upgrading to Linux 2.6.3 or Linux 2.6.4 sometimes on a 
poweroff/shutdown
the OS crashes with:

[<c0119cf4>] schedule+0x586/0x58b
[<c0140135>] unmap_page_range+0x43/0x69
[<c0140315>] unmap_vmas+0x1ba/0x212
[<c0143f87>] exit_mmap+0x7c/0x190
[<c011b564>] mmput+0x66/0x8d
[<c010a460>] do_general_protection+0x0/0xac
[<c0109df4>] do_divide_error+0x0/0xfa
[<c010a4f1>] do_general_protection+0x91/0xac
[<c0109758>] error_code+0x2d/0x38
[<c011417a>] apm_bios_call_simple+0x71/0xc8
[<c01142c8>] set_power_state+0x29/0x3b
[<c01142f2>] set_system_power_state+0x18/0x1c
[<c011456b>] apm_power_off+0x8f/0x91
[<c015cd00>] open_namei+0x1bb/0x3f8
[<c01f9858>] device_shutdown+0x3a/0x73
[<c0113fc6>] machine_power_off+0x12/0x14
[<c012986b>] sys_reboot+0x31c/0x321
[<c0118f51>] wake_up_state+0x1a/0x1e
[<c0126890>] kill_proc_info+0x43/0x65
[<c01286a9>] sys_kill+0x5b/0x62
[<c0164486>] dput+0x22/0x212
[<c014f8d7>] __fput+0xb7/0x114
[<c014e10f>] filp_close+0x59/0x86
[<c014e19f>] sys_close+0x63/0x96
[<c0108d5b>] syscall_call+0x6/0xb

/etc/rc0.d/S90halt: line 36: 2251 Segmentation fault halt -d -f -i 
$poweroff $hddown

Can anyone help or suggest another list or group to report this bug too.
As anyone here had this problem?

Thanks,

Dale.