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SubjectRe: unionfs and sys_readahead
From
Date
On Wed, 2007-11-07 at 19:53 +0000, Denys Vlasenko wrote:
> On Tuesday 06 November 2007 22:01, Paul Albrecht wrote:
> > Hi,
> > Whenever I use readahead-list on a union mounted file system I get a
> > segfault and kernel oops so I'm wondering whether or not the linux
> > unionfs supports sys_readahead.
> >
> > Anyone know? I'm not usually subscribed to the lkml so please cc me in
> > your response. Thanks.
>
> Please show actual oops output.
>
> Also: what kernel version do you use? any extra patch(es) applied? .config?

I'm using a stock generic kernel that's shipped with ubuntu. Here's my
dmesg output containing two oops. The first occurs during boot and the
second happens whenever I run readahead-list from the command line
against a file list containing an entry in a union mounted filesystem:

[ 0.000000] Linux version 2.6.22-14-generic (buildd@palmer) (gcc
version 4.1.3 20070929 (prerelease) (Ubuntu 4.1.2-16ubuntu2)) #1 SMP Sun
Oct 14 23:05:12 GMT 2007 (Ubuntu 2.6.22-14.46-generic)
[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
[ 0.000000] BIOS-e820: 000000000009fc00 - 00000000000a0000
(reserved)
[ 0.000000] BIOS-e820: 00000000000f0000 - 0000000000100000
(reserved)
[ 0.000000] BIOS-e820: 0000000000100000 - 000000001dee0000 (usable)
[ 0.000000] BIOS-e820: 000000001dee0000 - 000000001dee3000 (ACPI
NVS)
[ 0.000000] BIOS-e820: 000000001dee3000 - 000000001def0000 (ACPI
data)
[ 0.000000] BIOS-e820: 000000001def0000 - 000000001df00000
(reserved)
[ 0.000000] BIOS-e820: 00000000fec00000 - 0000000100000000
(reserved)
[ 0.000000] 0MB HIGHMEM available.
[ 0.000000] 478MB LOWMEM available.
[ 0.000000] found SMP MP-table at 000f4360
[ 0.000000] Entering add_active_range(0, 0, 122592) 0 entries of 256
used
[ 0.000000] Zone PFN ranges:
[ 0.000000] DMA 0 -> 4096
[ 0.000000] Normal 4096 -> 122592
[ 0.000000] HighMem 122592 -> 122592
[ 0.000000] early_node_map[1] active PFN ranges
[ 0.000000] 0: 0 -> 122592
[ 0.000000] On node 0 totalpages: 122592
[ 0.000000] DMA zone: 32 pages used for memmap
[ 0.000000] DMA zone: 0 pages reserved
[ 0.000000] DMA zone: 4064 pages, LIFO batch:0
[ 0.000000] Normal zone: 925 pages used for memmap
[ 0.000000] Normal zone: 117571 pages, LIFO batch:31
[ 0.000000] HighMem zone: 0 pages used for memmap
[ 0.000000] DMI 2.2 present.
[ 0.000000] ACPI: RSDP signature @ 0xC00F6420 checksum 0
[ 0.000000] ACPI: RSDP 000F6420, 0014 (r0 IntelR)
[ 0.000000] ACPI: RSDT 1DEE3040, 002C (r1 IntelR AWRDACPI 42302E31
AWRD 0)
[ 0.000000] ACPI: FACP 1DEE30C0, 0074 (r1 IntelR AWRDACPI 42302E31
AWRD 0)
[ 0.000000] ACPI: DSDT 1DEE3180, 3C2B (r1 INTELR AWRDACPI 1000
MSFT 100000E)
[ 0.000000] ACPI: FACS 1DEE0000, 0040
[ 0.000000] ACPI: APIC 1DEE6E00, 0068 (r1 IntelR AWRDACPI 42302E31
AWRD 0)
[ 0.000000] ACPI: PM-Timer IO Port: 0x408
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
[ 0.000000] Processor #0 6:9 APIC version 20
[ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] disabled)
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
[ 0.000000] ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
[ 0.000000] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI
0-23
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high
level)
[ 0.000000] ACPI: IRQ0 used by override.
[ 0.000000] ACPI: IRQ2 used by override.
[ 0.000000] ACPI: IRQ9 used by override.
[ 0.000000] Enabling APIC mode: Flat. Using 1 I/O APICs
[ 0.000000] Using ACPI (MADT) for SMP configuration information
[ 0.000000] Allocating PCI resources starting at 20000000 (gap:
1df00000:e0d00000)
[ 0.000000] Built 1 zonelists. Total pages: 121635
[ 0.000000] Kernel command line:
root=UUID=4a6b4df9-cddd-4b5a-8d5a-e7c8b2f72824 ro nofsck
[ 0.000000] mapped APIC to ffffd000 (fee00000)
[ 0.000000] mapped IOAPIC to ffffc000 (fec00000)
[ 0.000000] Enabling fast FPU save and restore... done.
[ 0.000000] Enabling unmasked SIMD FPU exception support... done.
[ 0.000000] Initializing CPU#0
[ 0.000000] PID hash table entries: 2048 (order: 11, 8192 bytes)
[ 0.000000] Detected 599.961 MHz processor.
[ 18.211221] Console: colour VGA+ 80x25
[ 18.214292] Dentry cache hash table entries: 65536 (order: 6, 262144
bytes)
[ 18.214832] Inode-cache hash table entries: 32768 (order: 5, 131072
bytes)
[ 18.245276] Memory: 474380k/490368k available (2015k kernel code,
15444k reserved, 916k data, 364k init, 0k highmem)
[ 18.245402] virtual kernel memory layout:
[ 18.245405] fixmap : 0xfff4d000 - 0xfffff000 ( 712 kB)
[ 18.245409] pkmap : 0xff800000 - 0xffc00000 (4096 kB)
[ 18.245413] vmalloc : 0xde800000 - 0xff7fe000 ( 527 MB)
[ 18.245417] lowmem : 0xc0000000 - 0xddee0000 ( 478 MB)
[ 18.245421] .init : 0xc03e3000 - 0xc043e000 ( 364 kB)
[ 18.245425] .data : 0xc02f7d26 - 0xc03dce84 ( 916 kB)
[ 18.245429] .text : 0xc0100000 - 0xc02f7d26 (2015 kB)
[ 18.245949] Checking if this processor honours the WP bit even in
supervisor mode... Ok.
[ 18.246163] SLUB: Genslabs=22, HWalign=64, Order=0-1, MinObjects=4,
CPUs=1, Nodes=1
[ 18.326245] Calibrating delay using timer specific routine.. 1201.05
BogoMIPS (lpj=2402110)
[ 18.326423] Security Framework v1.0.0 initialized
[ 18.326499] SELinux: Disabled at boot.
[ 18.326595] Mount-cache hash table entries: 512
[ 18.326933] CPU: After generic identify, caps: a7e9fbbf 00000000
00000000 00000000 00000000 00000000 00000000
[ 18.326960] CPU: L1 I cache: 32K, L1 D cache: 32K
[ 18.327064] CPU: L2 cache: 512K
[ 18.327129] CPU: After all inits, caps: a7e9fbbf 00000000 00000000
00002040 00000000 00000000 00000000
[ 18.327152] Compat vDSO mapped to ffffe000.
[ 18.327237] Checking 'hlt' instruction... OK.
[ 18.342533] SMP alternatives: switching to UP code
[ 18.342974] Freeing SMP alternatives: 11k freed
[ 18.343711] Early unpacking initramfs... done
[ 19.342374] ACPI: Core revision 20070126
[ 19.342586] ACPI: Looking for DSDT in initramfs... error,
file /DSDT.aml not found.
[ 19.350955] CPU0: Intel Genuine Intel(R) processor
600MHz stepping 05
[ 19.351201] Total of 1 processors activated (1201.05 BogoMIPS).
[ 19.351405] ENABLING IO-APIC IRQs
[ 19.351703] ..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
[ 19.497807] Brought up 1 CPUs
[ 19.498097] Booting paravirtualized kernel on bare hardware
[ 19.498272] Time: 20:16:13 Date: 10/06/107
[ 19.498379] NET: Registered protocol family 16
[ 19.498615] EISA bus registered
[ 19.498693] ACPI: bus type pci registered
[ 19.522504] PCI: PCI BIOS revision 2.10 entry at 0xfb080, last bus=1
[ 19.522576] PCI: Using configuration type 1
[ 19.522642] Setting up standard PCI resources
[ 19.535319] ACPI: EC: Look up EC in DSDT
[ 19.545398] ACPI: Interpreter enabled
[ 19.545472] ACPI: (supports S0 S1 S4 S5)
[ 19.545754] ACPI: Using IOAPIC for interrupt routing
[ 19.558719] ACPI: PCI Root Bridge [PCI0] (0000:00)
[ 19.558799] PCI: Probing PCI hardware (bus 00)
[ 19.559405] * The chipset may have PM-Timer Bug. Due to workarounds
for a bug,
[ 19.559410] * this clock source is slow. If you are sure your timer
does not have
[ 19.559415] * this bug, please use "acpi_pm_good" to disable the
workaround
[ 19.559710] PCI quirk: region 0400-047f claimed by ICH4 ACPI/GPIO/TCO
[ 19.559784] PCI quirk: region 0480-04bf claimed by ICH4 GPIO
[ 19.560248] PCI: Transparent bridge - 0000:00:1e.0
[ 19.560351] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
[ 19.560769] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.HUB0._PRT]
[ 19.578530] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 7 *9 10 11 12
14 15)
[ 19.579270] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 *5 7 9 10 11 12
14 15)
[ 19.580004] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 *5 7 9 10 11 12
14 15)
[ 19.580736] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 7 *9 10 11 12
14 15)
[ 19.581469] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 7 9 10 11 12
14 15) *0, disabled.
[ 19.582301] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 *5 7 9 10 11 12
14 15)
[ 19.583034] ACPI: PCI Interrupt Link [LNK0] (IRQs 3 4 5 7 9 10 11 12
14 15) *0, disabled.
[ 19.583853] ACPI: PCI Interrupt Link [LNK1] (IRQs 3 4 5 7 *9 10 11 12
14 15)
[ 19.584542] Linux Plug and Play Support v0.97 (c) Adam Belay
[ 19.584631] pnp: PnP ACPI init
[ 19.584719] ACPI: bus type pnp registered
[ 19.593310] pnp: PnP ACPI: found 15 devices
[ 19.593379] ACPI: ACPI bus type pnp unregistered
[ 19.593451] PnPBIOS: Disabled by ACPI PNP
[ 19.593622] PCI: Using ACPI for IRQ routing
[ 19.593691] PCI: If a device doesn't work, try "pci=routeirq". If it
helps, post a report
[ 19.605242] NET: Registered protocol family 8
[ 19.605309] NET: Registered protocol family 20
[ 19.605529] pnp: 00:0c: ioport range 0x400-0x4bf could not be
reserved
[ 19.605613] pnp: 00:0e: iomem range 0xf0000-0xfffff could not be
reserved
[ 19.605690] pnp: 00:0e: iomem range 0x1dee0000-0x1defffff could not
be reserved
[ 19.605786] Time: tsc clocksource has been installed.
[ 19.605861] pnp: 00:0e: iomem range 0x0-0x9ffff could not be reserved
[ 19.605936] pnp: 00:0e: iomem range 0x100000-0x1dedffff could not be
reserved
[ 19.636700] PCI: Bridge: 0000:00:1e.0
[ 19.636768] IO window: d000-dfff
[ 19.636836] MEM window: e8000000-e80fffff
[ 19.636905] PREFETCH window: 28000000-280fffff
[ 19.636986] PCI: Setting latency timer of device 0000:00:1e.0 to 64
[ 19.637016] NET: Registered protocol family 2
[ 19.673727] IP route cache hash table entries: 4096 (order: 2, 16384
bytes)
[ 19.673873] TCP established hash table entries: 16384 (order: 5,
196608 bytes)
[ 19.674325] TCP bind hash table entries: 16384 (order: 5, 131072
bytes)
[ 19.674645] TCP: Hash tables configured (established 16384 bind
16384)
[ 19.674717] TCP reno registered
[ 19.685983] checking if image is initramfs...<6>Switched to high
resolution mode on CPU 0
[ 20.636733] it is
[ 21.644973] Freeing initrd memory: 7331k freed
[ 21.645718] audit: initializing netlink socket (disabled)
[ 21.645810] audit(1194380175.256:1): initialized
[ 21.651568] VFS: Disk quotas dquot_6.5.1
[ 21.651777] Dquot-cache hash table entries: 1024 (order 0, 4096
bytes)
[ 21.652081] io scheduler noop registered
[ 21.652148] io scheduler anticipatory registered
[ 21.652215] io scheduler deadline registered
[ 21.652332] io scheduler cfq registered (default)
[ 21.652424] Boot video device is 0000:00:02.0
[ 21.652839] isapnp: Scanning for PnP cards...
[ 22.006994] isapnp: No Plug & Play device found
[ 22.081528] Real Time Clock Driver v1.12ac
[ 22.081795] Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ
sharing enabled
[ 22.082007] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[ 22.082408] serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
[ 22.082773] serial8250: ttyS2 at I/O 0x3e8 (irq = 4) is a 16550A
[ 22.083136] serial8250: ttyS3 at I/O 0x2e8 (irq = 3) is a 16550A
[ 22.084066] 00:06: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[ 22.084705] 00:07: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
[ 22.085384] 00:0a: ttyS2 at I/O 0x3e8 (irq = 10) is a 16550A
[ 22.085950] 00:0b: ttyS3 at I/O 0x2e8 (irq = 11) is a 16550A
[ 22.087674] RAMDISK driver initialized: 16 RAM disks of 65536K size
1024 blocksize
[ 22.088240] input: Macintosh mouse button emulation
as /class/input/input0
[ 22.088567] PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1
[ 22.088640] PNP: PS/2 controller doesn't have AUX irq; using default
12
[ 22.340632] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 22.340996] mice: PS/2 mouse device common for all mice
[ 22.341306] EISA: Probing bus 0 at eisa.0
[ 22.341424] EISA: Detected 0 cards.
[ 22.341693] TCP cubic registered
[ 22.341787] NET: Registered protocol family 1
[ 22.341906] Using IPI No-Shortcut mode
[ 22.342305] Magic number: 15:322:295
[ 22.342403] hash matches device ttyz9
[ 22.342481] hash matches device ttywc
[ 22.342670] hash matches device tty28
[ 22.343082] Freeing unused kernel memory: 364k freed
[ 22.368439] input: AT Translated Set 2 keyboard
as /class/input/input1
[ 22.798033] AppArmor: AppArmor initialized<5>audit(1194380176.256:2):
type=1505 info="AppArmor initialized" pid=1167
[ 22.821767] fuse init (API version 7.8)
[ 22.833899] Failure registering capabilities with primary security
module.
[ 22.849082] ACPI: Fan [FAN] (on)
[ 22.862957] ACPI Exception (processor_core-0783): AE_NOT_FOUND,
Processor Device is not present [20070126]
[ 22.869125] ACPI: Thermal Zone [THRM] (59 C)
[ 24.061245] usbcore: registered new interface driver usbfs
[ 24.061367] usbcore: registered new interface driver hub
[ 24.061498] usbcore: registered new device driver usb
[ 24.065301] USB Universal Host Controller Interface driver v3.0
[ 24.065492] ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 16 (level,
low) -> IRQ 16
[ 24.065633] PCI: Setting latency timer of device 0000:00:1d.0 to 64
[ 24.065642] uhci_hcd 0000:00:1d.0: UHCI Host Controller
[ 24.065961] uhci_hcd 0000:00:1d.0: new USB bus registered, assigned
bus number 1
[ 24.066088] uhci_hcd 0000:00:1d.0: irq 16, io base 0x0000eb00
[ 24.066460] usb usb1: configuration #1 chosen from 1 choice
[ 24.066592] hub 1-0:1.0: USB hub found
[ 24.066665] hub 1-0:1.0: 2 ports detected
[ 24.167745] ACPI: PCI Interrupt 0000:00:1d.1[B] -> GSI 19 (level,
low) -> IRQ 17
[ 24.167895] PCI: Setting latency timer of device 0000:00:1d.1 to 64
[ 24.167905] uhci_hcd 0000:00:1d.1: UHCI Host Controller
[ 24.168025] uhci_hcd 0000:00:1d.1: new USB bus registered, assigned
bus number 2
[ 24.168151] uhci_hcd 0000:00:1d.1: irq 17, io base 0x0000ed00
[ 24.168475] usb usb2: configuration #1 chosen from 1 choice
[ 24.168609] hub 2-0:1.0: USB hub found
[ 24.168683] hub 2-0:1.0: 2 ports detected
[ 24.234718] SCSI subsystem initialized
[ 24.263300] libata version 2.21 loaded.
[ 24.271615] ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 18 (level,
low) -> IRQ 18
[ 24.271762] PCI: Setting latency timer of device 0000:00:1d.2 to 64
[ 24.271771] uhci_hcd 0000:00:1d.2: UHCI Host Controller
[ 24.271899] uhci_hcd 0000:00:1d.2: new USB bus registered, assigned
bus number 3
[ 24.272025] uhci_hcd 0000:00:1d.2: irq 18, io base 0x0000e800
[ 24.272347] usb usb3: configuration #1 chosen from 1 choice
[ 24.272479] hub 3-0:1.0: USB hub found
[ 24.272553] hub 3-0:1.0: 2 ports detected
[ 24.376957] ata_piix 0000:00:1f.1: version 2.11
[ 24.376987] ACPI: PCI Interrupt 0000:00:1f.1[A] -> GSI 18 (level,
low) -> IRQ 18
[ 24.377178] PCI: Setting latency timer of device 0000:00:1f.1 to 64
[ 24.377335] scsi0 : ata_piix
[ 24.377501] scsi1 : ata_piix
[ 24.377828] ata1: PATA max UDMA/100 cmd 0x000101f0 ctl 0x000103f6
bmdma 0x0001f000 irq 14
[ 24.377927] ata2: PATA max UDMA/100 cmd 0x00010170 ctl 0x00010376
bmdma 0x0001f008 irq 15
[ 24.528034] 8139cp: 10/100 PCI Ethernet driver v1.3 (Mar 22, 2004)
[ 24.539684] ata1.00: ATA-6: HTS548040M9AT00, MG2OA53A, max UDMA/100
[ 24.539766] ata1.00: 78140160 sectors, multi 16: LBA48
[ 24.539847] ata1.00: limited to UDMA/33 due to 40-wire cable
[ 24.555689] ata1.00: configured for UDMA/33
[ 24.615212] usb 3-2: new low speed USB device using uhci_hcd and
address 2
[ 24.719183] scsi 0:0:0:0: Direct-Access ATA HTS548040M9AT00
MG2O PQ: 0 ANSI: 5
[ 24.729772] r8169 Gigabit Ethernet driver 2.2LK loaded
[ 24.729879] ACPI: PCI Interrupt 0000:01:0d.0[A] -> GSI 21 (level,
low) -> IRQ 19
[ 24.730253] eth0: RTL8169sc/8110sc at 0xde83a000, 00:d0:f8:1f:b3:3f,
XID 18000000 IRQ 19
[ 24.731173] 8139cp 0000:01:0f.0: This (id 10ec:8139 rev 10) is not an
8139C+ compatible chip
[ 24.731272] 8139cp 0000:01:0f.0: Try the "8139too" driver instead.
[ 24.739692] 8139too Fast Ethernet driver 0.9.28
[ 24.739831] ACPI: PCI Interrupt 0000:01:0f.0[A] -> GSI 16 (level,
low) -> IRQ 16
[ 24.740365] eth1: RealTek RTL8139 at 0xde83c000, 00:d0:f8:1f:b3:3e,
IRQ 16
[ 24.740440] eth1: Identified 8139 chip type 'RTL-8100B/8139D'
[ 24.744234] ACPI: PCI Interrupt 0000:00:1d.7[D] -> GSI 23 (level,
low) -> IRQ 20
[ 24.744379] PCI: Setting latency timer of device 0000:00:1d.7 to 64
[ 24.744388] ehci_hcd 0000:00:1d.7: EHCI Host Controller
[ 24.744525] ehci_hcd 0000:00:1d.7: new USB bus registered, assigned
bus number 4
[ 24.744671] PCI: cache line size of 32 is not supported by device
0000:00:1d.7
[ 24.744696] ehci_hcd 0000:00:1d.7: irq 20, io mem 0xe8180000
[ 24.748645] ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00, driver
10 Dec 2004
[ 24.748953] usb usb4: configuration #1 chosen from 1 choice
[ 24.749090] hub 4-0:1.0: USB hub found
[ 24.749165] hub 4-0:1.0: 6 ports detected
[ 24.766855] usb 3-2: device descriptor read/all, error -71
[ 25.029034] sd 0:0:0:0: [sda] 78140160 512-byte hardware sectors
(40008 MB)
[ 25.029167] sd 0:0:0:0: [sda] Write Protect is off
[ 25.029237] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 25.029278] sd 0:0:0:0: [sda] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[ 25.029486] sd 0:0:0:0: [sda] 78140160 512-byte hardware sectors
(40008 MB)
[ 25.029577] sd 0:0:0:0: [sda] Write Protect is off
[ 25.029646] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 25.029682] sd 0:0:0:0: [sda] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[ 25.029781] sda: sda1 sda2 sda3 < sda5 >
[ 25.094804] sd 0:0:0:0: [sda] Attached SCSI disk
[ 25.108445] sd 0:0:0:0: Attached scsi generic sg0 type 0
[ 25.370852] usb 3-2: new low speed USB device using uhci_hcd and
address 4
[ 25.393859] Attempting manual resume
[ 25.393928] swsusp: Resume From Partition 8:2
[ 25.393933] PM: Checking swsusp image.
[ 25.394232] PM: Resume from disk failed.
[ 25.471552] kjournald starting. Commit interval 5 seconds
[ 25.471645] EXT3-fs: mounted filesystem with ordered data mode.
[ 25.536330] kjournald starting. Commit interval 5 seconds
[ 25.536823] EXT3 FS on sda5, internal journal
[ 25.536922] EXT3-fs: recovery complete.
[ 25.537265] EXT3-fs: mounted filesystem with ordered data mode.
[ 25.551441] Registering unionfs 1.4
[ 25.551512] unionfs: debugging is not enabled
[ 25.557519] usb 3-2: configuration #1 chosen from 1 choice
[ 25.596262] usbcore: registered new interface driver hiddev
[ 25.610469] input: Microsoft Basic Optical Mouse
as /class/input/input2
[ 25.610943] input: USB HID v1.10 Mouse [Microsoft Basic Optical
Mouse] on usb-0000:00:1d.2-2
[ 25.611129] usbcore: registered new interface driver usbhid
[
25.611203] /build/buildd/linux-source-2.6.22-2.6.22/drivers/hid/usbhid/hid-core.c: v2.6:USB HID core driver
[ 26.917746] BUG: unable to handle kernel NULL pointer dereference at
virtual address 00000014
[ 26.917902] printing eip:
[ 26.917962] c02f3e51
[ 26.918033] *pde = 00000000
[ 26.918096] Oops: 0002 [#1]
[ 26.918155] SMP
[ 26.918279] Modules linked in: usbhid hid unionfs ext3 jbd mbcache sg
sd_mod 8139too ata_generic 8139cp mii r8169 ata_piix libata scsi_mod
ehci_hcd uhci_hcd usbcore thermal processor fan fuse apparmor commoncap
[ 26.919287] CPU: 0
[ 26.919290] EIP: 0060:[<c02f3e51>] Not tainted VLI
[ 26.919294] EFLAGS: 00010296 (2.6.22-14-generic #1)
[ 26.919490] EIP is at _spin_lock+0x1/0x10
[ 26.919558] eax: 00000014 ebx: 00000000 ecx: dd829c30 edx:
dd829b98
[ 26.919632] esi: 00000000 edi: 00000000 ebp: 00000000 esp:
c16b9f38
[ 26.919706] ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
[ 26.919780] Process readahead-list (pid: 2466, ti=c16b8000
task=dc5d54c0 task.ti=c16b8000)
[ 26.919857] Stack: de92261a 00000014 00000000 dc5d54c0 c013bdd0
c16b9f4c c16b9f4c 00000000
[ 26.920252] dd829cd4 00000000 00000000 de95f329 00000001
dd829cd4 de96d0c0 dd829cd4
[ 26.920645] 00000000 c16b8000 c018cbc4 dc5d54c0 dda26700
00000000 dc5e39c0 0804b01c
[ 26.921040] Call Trace:
[ 26.921151] [<de92261a>] journal_lock_updates+0x5a/0xe0 [jbd]
[ 26.921275] [<c013bdd0>] autoremove_wake_function+0x0/0x50
[ 26.921388] [<de95f329>] ext3_bmap+0x49/0x90 [ext3]
[ 26.921513] [<c018cbc4>] vfs_ioctl+0x114/0x290
[ 26.921619] [<c018cdb2>] sys_ioctl+0x72/0x90
[ 26.921723] [<c01041d2>] sysenter_past_esp+0x6b/0xa9
[ 26.921835] =======================
[ 26.921898] Code: 00 00 01 0f 94 c0 84 c0 b9 01 00 00 00 75 09 90 81
02 00 00 00 01 30 c9 89 c8 c3 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
90 90 <fe> 08 79 09 f3 90 80 38 00 7e f9 eb f2 c3 90 90 81 28 00 00 00
[ 26.924179] EIP: [<c02f3e51>] _spin_lock+0x1/0x10 SS:ESP
0068:c16b9f38
[ 36.616946] Linux agpgart interface v0.102 (c) Dave Jones
[ 36.654435] agpgart: Detected an Intel 855GM Chipset.
[ 36.654803] agpgart: Detected 32636K stolen memory.
[ 36.664039] agpgart: AGP aperture is 128M @ 0xe0000000
[ 36.930507] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[ 37.563259] intel_rng: FWH not detected
[ 37.569068] shpchp: Standard Hot Plug PCI Controller Driver version:
0.4
[ 39.582512] iTCO_vendor_support: vendor-support=0
[ 39.609540] input: PC Speaker as /class/input/input3
[ 39.935416] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.01
(21-Jan-2007)
[ 39.935644] iTCO_wdt: Found a ICH4 TCO device (Version=1,
TCOBASE=0x0460)
[ 39.936913] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0)
[ 40.029080] parport_pc 00:08: reported by Plug and Play ACPI
[ 40.029204] parport0: PC-style at 0x378, irq 7 [PCSPP,TRISTATE]
[ 40.829736] ACPI: PCI Interrupt 0000:00:1f.5[B] -> GSI 17 (level,
low) -> IRQ 21
[ 40.829899] PCI: Setting latency timer of device 0000:00:1f.5 to 64
[ 41.150705] intel8x0_measure_ac97_clock: measured 54613 usecs
[ 41.150784] intel8x0: clocking to 48000
[ 42.354719] lp0: using parport0 (interrupt-driven).
[ 46.498842] NET: Registered protocol family 17
[ 49.258074] No dock devices found.
[ 49.710348] input: Power Button (FF) as /class/input/input4
[ 49.710835] ACPI: Power Button (FF) [PWRF]
[ 49.730351] input: Power Button (CM) as /class/input/input5
[ 49.730829] ACPI: Power Button (CM) [PWRB]
[ 52.910900] ppdev: user-space parallel port driver
[ 53.693263] r8169: eth0: link down
[ 53.842703] eth1: link down
[ 54.035936] audit(1194380207.511:3): type=1503
operation="file_mprotect" requested_mask="mr" denied_mask="mr"
name="/root/lib/tls/i686/cmov/libc-2.6.1.so" pid=4702
profile="/usr/sbin/cupsd"
[ 54.184851] apm: BIOS version 1.2 Flags 0x07 (Driver version 1.16ac)
[ 54.184862] apm: overridden by ACPI.
[ 54.667654] Failure registering capabilities with primary security
module.
[ 55.031426] Bluetooth: Core ver 2.11
[ 55.031693] NET: Registered protocol family 31
[ 55.031700] Bluetooth: HCI device and connection manager initialized
[ 55.031708] Bluetooth: HCI socket layer initialized
[ 55.103007] Bluetooth: L2CAP ver 2.8
[ 55.103017] Bluetooth: L2CAP socket layer initialized
[ 55.224658] Bluetooth: RFCOMM socket layer initialized
[ 55.224862] Bluetooth: RFCOMM TTY layer initialized
[ 55.224869] Bluetooth: RFCOMM ver 1.8
[ 59.507415] [drm] Initialized drm 1.1.0 20060810
[ 59.517090] ACPI: PCI Interrupt 0000:00:02.0[A] -> GSI 16 (level,
low) -> IRQ 16
[ 59.521332] [drm] Initialized i915 1.6.0 20060119 on minor 0
[ 59.521554] PCI: Enabling device 0000:00:02.1 (0000 -> 0002)
[ 59.525688] [drm] Initialized i915 1.6.0 20060119 on minor 1
[ 87.108202] NET: Registered protocol family 10
[ 87.108610] lo: Disabled Privacy Extensions
[ 87.108910] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 87.108948] ADDRCONF(NETDEV_UP): eth1: link is not ready
[ 190.568565] BUG: unable to handle kernel NULL pointer dereference at
virtual address 0000005c
[ 190.568582] printing eip:
[ 190.568587] c01a5c20
[ 190.568592] *pde = 00000000
[ 190.568599] Oops: 0000 [#2]
[ 190.568603] SMP
[ 190.568610] Modules linked in: ipv6 i915 drm rfcomm l2cap bluetooth
ppdev cpufreq_ondemand cpufreq_conservative cpufreq_stats freq_table
cpufreq_powersave cpufreq_userspace button sbs ac video container dock
battery af_packet lp snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm_oss
snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi
snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore
parport_pc iTCO_wdt parport snd_page_alloc pcspkr iTCO_vendor_support
shpchp pci_hotplug intel_agp agpgart evdev usbhid hid unionfs ext3 jbd
mbcache sg sd_mod 8139too ata_generic 8139cp mii r8169 ata_piix libata
scsi_mod ehci_hcd uhci_hcd usbcore thermal processor fan fuse apparmor
commoncap
[ 190.568744] CPU: 0
[ 190.568747] EIP: 0060:[<c01a5c20>] Not tainted VLI
[ 190.568751] EFLAGS: 00210246 (2.6.22-14-generic #1)
[ 190.568766] EIP is at bio_get_nr_vecs+0x0/0x40
[ 190.568773] eax: 00000000 ebx: 00001000 ecx: 0000000c edx:
00000000
[ 190.568782] esi: 00000008 edi: 00000000 ebp: 00000001 esp:
c9aa3d88
[ 190.568790] ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
[ 190.568800] Process readahead-list (pid: 5537, ti=c9aa2000
task=cc4e6a60 task.ti=c9aa2000)
[ 190.568807] Stack: c01a959e c9aa3ea0 00000000 ddce2330 c9aa3f30
c9aa3df8 00000001 00000000
[ 190.568826] de95e250 c9aa3ee0 c9aa3ea0 c9aa3ed8 000000ac
c1056c60 00000000 db3c41b0
[ 190.568845] 0000000c 00000001 000000ac 00000000 00000001
00000000 00000001 c3856005
[ 190.568861] Call Trace:
[ 190.568868] [<c01a959e>] do_mpage_readpage+0x43e/0x720
[ 190.568899] [<de95e250>] ext3_get_block+0x0/0x100 [ext3]
[ 190.568994] [<c015ea9f>] add_to_page_cache+0x9f/0xb0
[ 190.569017] [<c01a9a65>] mpage_readpages+0x95/0x150
[ 190.569036] [<de95e250>] ext3_get_block+0x0/0x100 [ext3]
[ 190.569126] [<de95d570>] ext3_readpages+0x0/0x20 [ext3]
[ 190.569159] [<c0165448>] __do_page_cache_readahead+0x178/0x250
[ 190.569173] [<de95e250>] ext3_get_block+0x0/0x100 [ext3]
[ 190.569246] [<c0165999>] force_page_cache_readahead+0x59/0x80
[ 190.569269] [<c015e55d>] sys_readahead+0x9d/0xd0
[ 190.569294] [<c01041d2>] sysenter_past_esp+0x6b/0xa9
[ 190.569319] [<c02f0000>] clip_ioctl+0x500/0x510
[ 190.569344] =======================
[ 190.569349] Code: 89 e8 83 c4 10 5b 5e 5f 5d c3 8b 75 30 0f b7 45 18
eb ce 89 d0 e8 e1 6c fd ff 90 e9 59 ff ff ff bd f4 ff ff ff e9 46 ff ff
ff 90 <8b> 40 5c 8b 50 38 8b 82 38 01 00 00 0f b7 8a 40 01 00 00 0f b7
[ 190.569429] EIP: [<c01a5c20>] bio_get_nr_vecs+0x0/0x40 SS:ESP
0068:c9aa3d88
[ 305.816936] eth1: link up, 10Mbps, half-duplex, lpa 0x0000
[ 305.817472] ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
[ 320.551422] eth1: no IPv6 routers present

Paul Albrecht
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