Bug 126554

Description of problem:

Kernel hangs. One I have found this in the log:

Jun 22 07:51:44 gamma apcupsd[4076]: Power failure.
Jun 22 07:51:44 gamma wall[17465]: wall: user root broadcasted 1 
lines (50 chars
)
Jun 22 07:51:49 gamma apcupsd[4076]: Power is back. UPS running on 
mains.
Jun 22 07:51:49 gamma wall[17477]: wall: user root broadcasted 1 
lines (44 chars
)
Jun 22 07:52:26 gamma apcupsd[4076]: Power failure.
Jun 22 07:52:26 gamma wall[17491]: wall: user root broadcasted 1 
lines (50 chars
)
Jun 22 07:52:31 gamma apcupsd[4076]: Power is back. UPS running on 
mains.
Jun 22 07:52:31 gamma wall[17502]: wall: user root broadcasted 1 
lines (44 chars
)
Jun 22 07:58:18 gamma kernel: hub 1-0:1.0: port 1 disabled by hub 
(EMI?), re-ena
bling...<6>usb 1-1: USB disconnect, address 2
Jun 22 07:58:18 gamma kernel: updfstab: Using deprecated /dev/sg 
mechanism inste
ad of SG_IO on the actual device
Jun 22 07:58:18 gamma last message repeated 2 times
Jun 22 07:58:18 gamma kernel: usb 1-1: new low speed USB device using 
address 6
Jun 22 07:58:19 gamma kernel: hiddev97: USB HID v1.00 Device 
[American Power Con
version Back-UPS 500 FW: 6.4.I USB FW: c1 ] on usb-0000:00:1d.0-1
Jun 22 07:58:19 gamma kernel: hub 1-0:1.0: port 2 disabled by hub 
(EMI?), re-ena
bling...<6>usb 1-2: USB disconnect, address 5
Jun 22 07:58:19 gamma kernel: updfstab: Using deprecated /dev/sg 
mechanism inste
ad of SG_IO on the actual device
Jun 22 07:58:19 gamma last message repeated 5 times
Jun 22 07:58:20 gamma kernel: usb 1-2: new low speed USB device using 
address 7
Jun 22 07:58:20 gamma kernel: input: USB HID v1.10 Keyboard [USB 
MULTIMEDIA KEYB
OARD] on usb-0000:00:1d.0-2
Jun 22 07:58:20 gamma kernel: input: USB HID v1.10 Device [USB 
MULTIMEDIA KEYBOA
RD] on usb-0000:00:1d.0-2
Jun 22 07:58:33 gamma kernel: Unable to handle kernel paging request 
at virtual
address 45472220
Jun 22 07:58:33 gamma kernel:  printing eip:
Jun 22 07:58:33 gamma kernel: 0223bfbc
Jun 22 07:58:33 gamma kernel: *pde = 00000000
Jun 22 07:58:33 gamma kernel: Oops: 0000 [#1]
Jun 22 07:58:33 gamma kernel: SMP
Jun 22 07:58:33 gamma kernel: Modules linked in: loop ipv6 parport_pc 
lp parport
 ds yenta_socket pcmcia_core e1000 ipt_TOS ipt_MARK ipt_LOG ipt_limit 
ipt_state
ipt_REJECT iptable_mangle iptable_nat iptable_filter ip_tables 
ip_conntrack_ftp
ip_conntrack floppy sg microcode ohci1394 ieee1394 joydev dm_mod 
uhci_hcd button
 battery asus_acpi ac ext3 jbd raid5 xor raid1 raid0 aic7xxx sd_mod 
scsi_mod
Jun 22 07:58:33 gamma kernel: CPU:    0
Jun 22 07:58:33 gamma kernel: EIP:    0060:[<0223bfbc>]    Not tainted
Jun 22 07:58:33 gamma kernel: EFLAGS: 00010246   (2.6.6-1.435smp)
Jun 22 07:58:33 gamma kernel: EIP is at hiddev_ioctl+0x16e/0x88c
Jun 22 07:58:33 gamma kernel: eax: 45472220   ebx: 407fffff   ecx: 
6567616d   ed
x: 00000000
Jun 22 07:58:33 gamma kernel: esi: 00000000   edi: 32302b20   ebp: 
00000000   es
p: 3bea2eec
Jun 22 07:58:33 gamma kernel: ds: 007b   es: 007b   ss: 0068
Jun 22 07:58:33 gamma kernel: Process apcupsd (pid: 4076, 
threadinfo=3bea2000 ta
sk=24f0f310)
Jun 22 07:58:33 gamma kernel: Stack: 00000000 3a88eccc 2acc8180 
00000246 0231524
0 00000000 3f85c534 0223bb8b
Jun 22 07:58:33 gamma kernel:        02315240 2acc8180 3f85c534 
ffffffed 0223452
4 41fb59d8 3bea2000 3f85c534
Jun 22 07:58:33 gamma kernel:        00000000 02159263 2acc8180 
00000000 2acc818
0 3f85c534 2acc8180 41facfc0
Jun 22 07:58:33 gamma kernel: Call Trace:
Jun 22 07:58:33 gamma kernel:  [<0223bb8b>] hiddev_open+0x36/0xaa
Jun 22 07:58:33 gamma kernel:  [<02234524>] usb_open+0x80/0x11e
Jun 22 07:58:33 gamma kernel:  [<02159263>] chrdev_open+0x151/0x18a
Jun 22 07:58:33 gamma kernel:  [<021514ad>] dentry_open+0xed/0x198
Jun 22 07:58:33 gamma kernel:  [<021513ba>] filp_open+0x36/0x3c
Jun 22 07:58:33 gamma kernel:  [<02160f52>] sys_ioctl+0x207/0x243
Jun 22 07:58:33 gamma kernel:
Jun 22 07:58:33 gamma kernel: Code: 83 3c 10 01 75 06 4d 83 fd ff 74 
08 46 83 c2
 0c 39 ce 72 e9
Jun 22 07:58:41 gamma dovecot(pam_unix)[17873]: authentication ....
Jun 22 08:21:20 gamma syslogd 1.4.1: restart.

Second day the machine was completely dead without any log.

Version-Release number of selected component (if applicable):

kernel-smp-2.6.6-1.435

How reproducible:


Steps to Reproduce:
1. Boot.
2. Wait.
3. System hangs.
  
Actual results:

System hangs.

Expected results:

System continues working.

Additional info: