* ext4 2.6.35-rc2 regression (ext4: Make sure the MOVE_EXT ioctl can't overwrite append-only files)
@ 2010-06-06 8:16 Markus Trippelsdorf
2010-06-06 11:45 ` Theodore Tso
0 siblings, 1 reply; 6+ messages in thread
From: Markus Trippelsdorf @ 2010-06-06 8:16 UTC (permalink / raw)
To: linux-kernel; +Cc: torvalds, linux-ext4, tytso
[-- Attachment #1: Type: text/plain, Size: 1037 bytes --]
Commit 1f5a81e41f8b1a782c68d3843e9ec1bfaadf7d72
"ext4: Make sure the MOVE_EXT ioctl can't overwrite append-only files"
causes the following kernel BUG on my machine (x86_64):
BUG: Bad page map in process mpd pte:720072000000000 pmd:11d2f7067
addr:00007f6b09f82000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:132
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Not tainted 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b8c9b>] unmap_vmas+0x50c/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
Disabling lock debugging due to kernel taint
Full dmesg is attached.
--
Markus
[-- Attachment #2: dmesg_ext4 --]
[-- Type: text/plain, Size: 61747 bytes --]
7d900 - 000197d968] BOOTMEM
#22 [000197d980 - 000197d9e8] BOOTMEM
#23 [000197da00 - 000197da68] BOOTMEM
#24 [000197da80 - 000197dae8] BOOTMEM
#25 [000197db00 - 000197db68] BOOTMEM
#26 [000197db80 - 000197dbe8] BOOTMEM
#27 [000197dc00 - 000197dc68] BOOTMEM
#28 [000197dc80 - 000197dcbe] BOOTMEM
#29 [000197dcc0 - 000197dcfe] BOOTMEM
#30 [0001a00000 - 0001a19000] BOOTMEM
#31 [0001a80000 - 0001a99000] BOOTMEM
#32 [0001b00000 - 0001b19000] BOOTMEM
#33 [0001b80000 - 0001b99000] BOOTMEM
#34 [000197dd00 - 000197dd08] BOOTMEM
#35 [000197dd40 - 000197dd48] BOOTMEM
#36 [000197dd80 - 000197dd90] BOOTMEM
#37 [000197ddc0 - 000197dde0] BOOTMEM
#38 [000197de00 - 000197df30] BOOTMEM
#39 [000197df40 - 000197df90] BOOTMEM
#40 [000199c000 - 00019a4000] BOOTMEM
#41 [0001b99000 - 0001f99000] BOOTMEM
#42 [0005c00000 - 0005e00000] BOOTMEM
#43 [0005e00000 - 0009e00000] BOOTMEM
#44 [00019a4000 - 00019c4000] BOOTMEM
#45 [0001a19000 - 0001a59000] BOOTMEM
#46 [000000b000 - 0000013000] BOOTMEM
Memory: 4050652k/4718592k available (4290k kernel code, 526152k absent, 141788k reserved, 4410k data, 424k init)
SLUB: Genslabs=13, HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
Hierarchical RCU implementation.
RCU dyntick-idle grace-period acceleration is enabled.
RCU-based detection of stalled CPUs is disabled.
Verbose stalled-CPUs detection is disabled.
NR_IRQS:384
Extended CMOS year: 2000
Console: colour VGA+ 80x25
console [tty0] enabled
hpet clockevent registered
Fast TSC calibration using PIT
Detected 3210.273 MHz processor.
Calibrating delay loop (skipped), value calculated using timer frequency.. 6420.53 BogoMIPS (lpj=3210266)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 256
tseg: 0000000000
CPU: Physical Processor ID: 0
CPU: Processor Core ID: 0
mce: CPU supports 6 MCE banks
using C1E aware idle routine
Performance Events: AMD PMU driver.
... version: 0
... bit width: 48
... generic registers: 4
... value mask: 0000ffffffffffff
... max period: 00007fffffffffff
... fixed-purpose events: 0
... event mask: 000000000000000f
Freeing SMP alternatives: 16k freed
ACPI: Core revision 20100428
Setting APIC routing to flat
..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
CPU0: AMD Phenom(tm) II X4 955 Processor stepping 02
Booting Node 0, Processors #1 #2
System has AMD C1E enabled
Switch to broadcast mode on CPU1
#3 Ok.
Switch to broadcast mode on CPU2
Brought up 4 CPUs
Total of 4 processors activated (25686.58 BogoMIPS).
Switch to broadcast mode on CPU3
Switch to broadcast mode on CPU0
NET: Registered protocol family 16
node 0 link 0: io port [1000, ffffff]
TOM: 00000000e0000000 aka 3584M
Fam 10h mmconf [e0000000, efffffff]
node 0 link 0: mmio [a0000, bffff]
node 0 link 0: mmio [e0000000, efffffff] ==> none
node 0 link 0: mmio [f0000000, fbcfffff]
node 0 link 0: mmio [fbd00000, fbefffff]
node 0 link 0: mmio [fbf00000, ffefffff]
TOM2: 0000000120000000 aka 4608M
bus: [00, 07] on node 0 link 0
bus: 00 index 0 [io 0x0000-0xffff]
bus: 00 index 1 [mem 0x000a0000-0x000bffff]
bus: 00 index 2 [mem 0xf0000000-0xffffffff]
bus: 00 index 3 [mem 0x120000000-0xfcffffffff]
ACPI: bus type pci registered
PCI: Using configuration type 1 for base access
PCI: Using configuration type 1 for extended access
bio: create slab <bio-0> at 0
ACPI: EC: Look up EC in DSDT
ACPI: Executed 3 blocks of module-level executable AML code
ACPI: Interpreter enabled
ACPI: (supports S0 S5)
ACPI: Using IOAPIC for interrupt routing
PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
pci_root PNP0A03:00: host bridge window [io 0x0000-0x0cf7]
pci_root PNP0A03:00: host bridge window [io 0x0d00-0xffff]
pci_root PNP0A03:00: host bridge window [mem 0x000a0000-0x000bffff]
pci_root PNP0A03:00: host bridge window [mem 0x000d0000-0x000dffff]
pci_root PNP0A03:00: host bridge window [mem 0xdff00000-0xdfffffff]
pci_root PNP0A03:00: host bridge window [mem 0xf0000000-0xfebfffff]
pci 0000:00:11.0: reg 10: [io 0xc000-0xc007]
pci 0000:00:11.0: reg 14: [io 0xb000-0xb003]
pci 0000:00:11.0: reg 18: [io 0xa000-0xa007]
pci 0000:00:11.0: reg 1c: [io 0x9000-0x9003]
pci 0000:00:11.0: reg 20: [io 0x8000-0x800f]
pci 0000:00:11.0: reg 24: [mem 0xfbcffc00-0xfbcfffff]
pci 0000:00:12.0: reg 10: [mem 0xfbcfd000-0xfbcfdfff]
pci 0000:00:12.1: reg 10: [mem 0xfbcfe000-0xfbcfefff]
pci 0000:00:12.2: reg 10: [mem 0xfbcff800-0xfbcff8ff]
pci 0000:00:12.2: supports D1 D2
pci 0000:00:12.2: PME# supported from D0 D1 D2 D3hot
pci 0000:00:12.2: PME# disabled
pci 0000:00:13.0: reg 10: [mem 0xfbcfb000-0xfbcfbfff]
pci 0000:00:13.1: reg 10: [mem 0xfbcfc000-0xfbcfcfff]
pci 0000:00:13.2: reg 10: [mem 0xfbcff400-0xfbcff4ff]
pci 0000:00:13.2: supports D1 D2
pci 0000:00:13.2: PME# supported from D0 D1 D2 D3hot
pci 0000:00:13.2: PME# disabled
pci 0000:00:14.1: reg 10: [io 0x0000-0x0007]
pci 0000:00:14.1: reg 14: [io 0x0000-0x0003]
pci 0000:00:14.1: reg 18: [io 0x0000-0x0007]
pci 0000:00:14.1: reg 1c: [io 0x0000-0x0003]
pci 0000:00:14.1: reg 20: [io 0xff00-0xff0f]
pci 0000:00:14.5: reg 10: [mem 0xfbcfa000-0xfbcfafff]
pci 0000:01:05.0: reg 10: [mem 0xf0000000-0xf7ffffff pref]
pci 0000:01:05.0: reg 14: [io 0xd000-0xd0ff]
pci 0000:01:05.0: reg 18: [mem 0xfbee0000-0xfbeeffff]
pci 0000:01:05.0: reg 24: [mem 0xfbd00000-0xfbdfffff]
pci 0000:01:05.0: supports D1 D2
pci 0000:01:05.1: reg 10: [mem 0xfbefc000-0xfbefffff]
pci 0000:01:05.1: supports D1 D2
pci 0000:00:01.0: PCI bridge to [bus 01-01]
pci 0000:00:01.0: bridge window [io 0xd000-0xdfff]
pci 0000:00:01.0: bridge window [mem 0xfbd00000-0xfbefffff]
pci 0000:00:01.0: bridge window [mem 0xf0000000-0xf7ffffff 64bit pref]
pci 0000:02:05.0: reg 10: [io 0xe800-0xe8ff]
pci 0000:02:05.0: reg 14: [mem 0xfbfffc00-0xfbfffcff]
pci 0000:02:05.0: reg 30: [mem 0xfbfc0000-0xfbfdffff pref]
pci 0000:02:05.0: supports D1 D2
pci 0000:02:05.0: PME# supported from D1 D2 D3hot D3cold
pci 0000:02:05.0: PME# disabled
pci 0000:00:14.4: PCI bridge to [bus 02-02] (subtractive decode)
pci 0000:00:14.4: bridge window [io 0xe000-0xefff]
pci 0000:00:14.4: bridge window [mem 0xfbf00000-0xfbffffff]
pci 0000:00:14.4: bridge window [mem 0xfff00000-0x000fffff pref] (disabled)
pci 0000:00:14.4: bridge window [io 0x0000-0x0cf7] (subtractive decode)
pci 0000:00:14.4: bridge window [io 0x0d00-0xffff] (subtractive decode)
pci 0000:00:14.4: bridge window [mem 0x000a0000-0x000bffff] (subtractive decode)
pci 0000:00:14.4: bridge window [mem 0x000d0000-0x000dffff] (subtractive decode)
pci 0000:00:14.4: bridge window [mem 0xdff00000-0xdfffffff] (subtractive decode)
pci 0000:00:14.4: bridge window [mem 0xf0000000-0xfebfffff] (subtractive decode)
pci_bus 0000:00: on NUMA node 0
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.P0P1._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.P0PC._PRT]
ACPI: PCI Interrupt Link [LNKA] (IRQs 4 7 10 11 12 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKB] (IRQs 4 7 10 11 12 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKC] (IRQs 4 7 10 11 12 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKD] (IRQs 4 7 10 11 12 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKE] (IRQs 4 7 10 11 12 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKF] (IRQs 4 7 10 11 12 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKG] (IRQs 4 7 10 11 12 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKH] (IRQs 4 7 10 11 12 14 15) *0, disabled.
vgaarb: device added: PCI:0000:01:05.0,decodes=io+mem,owns=io+mem,locks=none
vgaarb: loaded
SCSI subsystem initialized
libata version 3.00 loaded.
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
Advanced Linux Sound Architecture Driver Version 1.0.23.
PCI: Using ACPI for IRQ routing
PCI: pci_cache_line_size set to 64 bytes
reserve RAM buffer: 000000000009fc00 - 000000000009ffff
reserve RAM buffer: 00000000dfe90000 - 00000000dfffffff
cfg80211: Calling CRDA to update world regulatory domain
hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0
hpet0: 4 comparators, 32-bit 14.318180 MHz counter
Switching to clocksource tsc
pnp: PnP ACPI init
ACPI: bus type pnp registered
pnp: PnP ACPI: found 12 devices
ACPI: ACPI bus type pnp unregistered
system 00:07: [mem 0xfec00000-0xfec00fff] could not be reserved
system 00:07: [mem 0xfee00000-0xfee00fff] has been reserved
system 00:08: [io 0x04d0-0x04d1] has been reserved
system 00:08: [io 0x040b] has been reserved
system 00:08: [io 0x04d6] has been reserved
system 00:08: [io 0x0c00-0x0c01] has been reserved
system 00:08: [io 0x0c14] has been reserved
system 00:08: [io 0x0c50-0x0c51] has been reserved
system 00:08: [io 0x0c52] has been reserved
system 00:08: [io 0x0c6c] has been reserved
system 00:08: [io 0x0c6f] has been reserved
system 00:08: [io 0x0cd0-0x0cd1] has been reserved
system 00:08: [io 0x0cd2-0x0cd3] has been reserved
system 00:08: [io 0x0cd4-0x0cd5] has been reserved
system 00:08: [io 0x0cd6-0x0cd7] has been reserved
system 00:08: [io 0x0cd8-0x0cdf] has been reserved
system 00:08: [io 0x0b00-0x0b3f] has been reserved
system 00:08: [io 0x0800-0x089f] has been reserved
system 00:08: [io 0x0b00-0x0b0f] has been reserved
system 00:08: [io 0x0b20-0x0b3f] has been reserved
system 00:08: [io 0x0900-0x090f] has been reserved
system 00:08: [io 0x0910-0x091f] has been reserved
system 00:08: [io 0xfe00-0xfefe] has been reserved
system 00:08: [mem 0xdff00000-0xdfffffff] has been reserved
system 00:08: [mem 0xffb80000-0xffbfffff] has been reserved
system 00:08: [mem 0xfec10000-0xfec1001f] has been reserved
system 00:09: [io 0x0230-0x023f] has been reserved
system 00:09: [io 0x0290-0x029f] has been reserved
system 00:09: [io 0x0f40-0x0f4f] has been reserved
system 00:09: [io 0x0a30-0x0a3f] has been reserved
system 00:0a: [mem 0xe0000000-0xefffffff] has been reserved
system 00:0b: [mem 0x00000000-0x0009ffff] could not be reserved
system 00:0b: [mem 0x000c0000-0x000cffff] has been reserved
system 00:0b: [mem 0x000e0000-0x000fffff] could not be reserved
system 00:0b: [mem 0x00100000-0xdfefffff] could not be reserved
system 00:0b: [mem 0xfec00000-0xffffffff] could not be reserved
pci 0000:00:01.0: PCI bridge to [bus 01-01]
pci 0000:00:01.0: bridge window [io 0xd000-0xdfff]
pci 0000:00:01.0: bridge window [mem 0xfbd00000-0xfbefffff]
pci 0000:00:01.0: bridge window [mem 0xf0000000-0xf7ffffff 64bit pref]
pci 0000:00:14.4: PCI bridge to [bus 02-02]
pci 0000:00:14.4: bridge window [io 0xe000-0xefff]
pci 0000:00:14.4: bridge window [mem 0xfbf00000-0xfbffffff]
pci 0000:00:14.4: bridge window [mem pref disabled]
pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7]
pci_bus 0000:00: resource 5 [io 0x0d00-0xffff]
pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff]
pci_bus 0000:00: resource 7 [mem 0x000d0000-0x000dffff]
pci_bus 0000:00: resource 8 [mem 0xdff00000-0xdfffffff]
pci_bus 0000:00: resource 9 [mem 0xf0000000-0xfebfffff]
pci_bus 0000:01: resource 0 [io 0xd000-0xdfff]
pci_bus 0000:01: resource 1 [mem 0xfbd00000-0xfbefffff]
pci_bus 0000:01: resource 2 [mem 0xf0000000-0xf7ffffff 64bit pref]
pci_bus 0000:02: resource 0 [io 0xe000-0xefff]
pci_bus 0000:02: resource 1 [mem 0xfbf00000-0xfbffffff]
pci_bus 0000:02: resource 4 [io 0x0000-0x0cf7]
pci_bus 0000:02: resource 5 [io 0x0d00-0xffff]
pci_bus 0000:02: resource 6 [mem 0x000a0000-0x000bffff]
pci_bus 0000:02: resource 7 [mem 0x000d0000-0x000dffff]
pci_bus 0000:02: resource 8 [mem 0xdff00000-0xdfffffff]
pci_bus 0000:02: resource 9 [mem 0xf0000000-0xfebfffff]
NET: Registered protocol family 2
IP route cache hash table entries: 131072 (order: 8, 1048576 bytes)
TCP established hash table entries: 262144 (order: 10, 4194304 bytes)
TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
TCP: Hash tables configured (established 262144 bind 65536)
TCP reno registered
UDP hash table entries: 2048 (order: 4, 65536 bytes)
UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes)
NET: Registered protocol family 1
pci 0000:00:01.0: MSI quirk detected; subordinate MSI disabled
pci 0000:01:05.0: Boot video device
PCI: CLS mismatch (64 != 32), using 64 bytes
PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
Placing 64MB software IO TLB between ffff880005e00000 - ffff880009e00000
software IO TLB at phys 0x5e00000 - 0x9e00000
kvm: Nested Virtualization enabled
kvm: Nested Paging enabled
msgmni has been set to 7911
alg: No test for stdrng (krng)
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254)
io scheduler noop registered
io scheduler cfq registered (default)
input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input0
ACPI: Power Button [PWRB]
input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1
ACPI: Power Button [PWRF]
ACPI: acpi_idle registered with cpuidle
Real Time Clock Driver v1.12b
Linux agpgart interface v0.103
[drm] Initialized drm 1.1.0 20060810
[drm] radeon defaulting to kernel modesetting.
[drm] radeon kernel modesetting enabled.
radeon 0000:01:05.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
radeon 0000:01:05.0: setting latency timer to 64
[drm] initializing kernel modesetting (RS780 0x1002:0x9614).
[drm] register mmio base: 0xFBEE0000
[drm] register mmio size: 65536
ATOM BIOS: 113
[drm] Clocks initialized !
radeon 0000:01:05.0: VRAM: 128M 0xC0000000 - 0xC7FFFFFF (128M used)
radeon 0000:01:05.0: GTT: 512M 0xA0000000 - 0xBFFFFFFF
[drm] Detected VRAM RAM=128M, BAR=128M
[drm] RAM width 32bits DDR
[TTM] Zone kernel: Available graphics memory: 2025334 kiB.
[TTM] Initializing pool allocator.
[drm] radeon: 128M of VRAM memory ready
[drm] radeon: 512M of GTT memory ready.
[drm] radeon: irq initialized.
[drm] GART: num cpu pages 131072, num gpu pages 131072
[drm] Loading RS780 Microcode
[drm] ring test succeeded in 1 usecs
[drm] radeon: ib pool ready.
[drm] ib test succeeded in 0 usecs
[drm] Enabling audio support
[drm] Unknown TV standard; defaulting to NTSC
[drm] Radeon Display Connectors
[drm] Connector 0:
[drm] VGA
[drm] DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c
[drm] Encoders:
[drm] CRT1: INTERNAL_KLDSCP_DAC1
[drm] Connector 1:
[drm] DVI-D
[drm] HPD2
[drm] DDC: 0x7e50 0x7e50 0x7e54 0x7e54 0x7e58 0x7e58 0x7e5c 0x7e5c
[drm] Encoders:
[drm] DFP3: INTERNAL_KLDSCP_LVTMA
[drm] radeon: power management initialized
[drm] fb mappable at 0xF0141000
[drm] vram apper at 0xF0000000
[drm] size 7258112
[drm] fb depth is 24
[drm] pitch is 6912
Console: switching to colour frame buffer device 131x105
fb0: radeondrmfb frame buffer device
drm: registered panic notifier
Slow work thread pool: Starting up
Slow work thread pool: Ready
[drm] Initialized radeon 2.4.0 20080528 for 0000:01:05.0 on minor 0
loop: module loaded
ahci 0000:00:11.0: version 3.0
ahci 0000:00:11.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22
ahci 0000:00:11.0: AHCI 0001.0100 32 slots 4 ports 3 Gbps 0xf impl SATA mode
ahci 0000:00:11.0: flags: 64bit ncq sntf ilck pm led clo pmp pio slum part ccc
scsi0 : ahci
scsi1 : ahci
scsi2 : ahci
scsi3 : ahci
ata1: SATA max UDMA/133 irq_stat 0x00400000, PHY RDY changed
ata2: SATA max UDMA/133 abar m1024@0xfbcffc00 port 0xfbcffd80 irq 22
ata3: SATA max UDMA/133 abar m1024@0xfbcffc00 port 0xfbcffe00 irq 22
ata4: SATA max UDMA/133 abar m1024@0xfbcffc00 port 0xfbcffe80 irq 22
pata_atiixp 0000:00:14.1: PCI INT A -> GSI 16 (level, low) -> IRQ 16
scsi4 : pata_atiixp
scsi5 : pata_atiixp
ata5: PATA max UDMA/100 cmd 0x1f0 ctl 0x3f6 bmdma 0xff00 irq 14
ata6: PATA max UDMA/100 cmd 0x170 ctl 0x376 bmdma 0xff08 irq 15
PPP generic driver version 2.4.2
tun: Universal TUN/TAP device driver, 1.6
tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
r8169 0000:02:05.0: PCI INT A -> GSI 20 (level, low) -> IRQ 20
r8169 0000:02:05.0: (unregistered net_device): no PCI Express capability
r8169 0000:02:05.0: eth0: RTL8110s at 0xffffc90000458c00, 00:08:54:36:f2:2f, XID 04000000 IRQ 20
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
ehci_hcd 0000:00:12.2: PCI INT B -> GSI 17 (level, low) -> IRQ 17
ehci_hcd 0000:00:12.2: EHCI Host Controller
ehci_hcd 0000:00:12.2: new USB bus registered, assigned bus number 1
ehci_hcd 0000:00:12.2: applying AMD SB600/SB700 USB freeze workaround
ehci_hcd 0000:00:12.2: debug port 1
ehci_hcd 0000:00:12.2: irq 17, io mem 0xfbcff800
ehci_hcd 0000:00:12.2: USB 2.0 started, EHCI 1.00
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 6 ports detected
ehci_hcd 0000:00:13.2: PCI INT B -> GSI 19 (level, low) -> IRQ 19
ehci_hcd 0000:00:13.2: EHCI Host Controller
ehci_hcd 0000:00:13.2: new USB bus registered, assigned bus number 2
ehci_hcd 0000:00:13.2: applying AMD SB600/SB700 USB freeze workaround
ehci_hcd 0000:00:13.2: debug port 1
ehci_hcd 0000:00:13.2: irq 19, io mem 0xfbcff400
ehci_hcd 0000:00:13.2: USB 2.0 started, EHCI 1.00
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 6 ports detected
ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
ohci_hcd 0000:00:12.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
ohci_hcd 0000:00:12.0: OHCI Host Controller
ohci_hcd 0000:00:12.0: new USB bus registered, assigned bus number 3
ohci_hcd 0000:00:12.0: irq 16, io mem 0xfbcfd000
hub 3-0:1.0: USB hub found
hub 3-0:1.0: 3 ports detected
ohci_hcd 0000:00:12.1: PCI INT A -> GSI 16 (level, low) -> IRQ 16
ohci_hcd 0000:00:12.1: OHCI Host Controller
ohci_hcd 0000:00:12.1: new USB bus registered, assigned bus number 4
ohci_hcd 0000:00:12.1: irq 16, io mem 0xfbcfe000
hub 4-0:1.0: USB hub found
hub 4-0:1.0: 3 ports detected
ohci_hcd 0000:00:13.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
ohci_hcd 0000:00:13.0: OHCI Host Controller
ohci_hcd 0000:00:13.0: new USB bus registered, assigned bus number 5
ohci_hcd 0000:00:13.0: irq 18, io mem 0xfbcfb000
ata5.00: ATAPI: HL-DT-STDVD-RAM GH22NP20, 1.03, max UDMA/66
ata5.00: configured for UDMA/66
hub 5-0:1.0: USB hub found
hub 5-0:1.0: 3 ports detected
ohci_hcd 0000:00:13.1: PCI INT A -> GSI 18 (level, low) -> IRQ 18
ohci_hcd 0000:00:13.1: OHCI Host Controller
ohci_hcd 0000:00:13.1: new USB bus registered, assigned bus number 6
ohci_hcd 0000:00:13.1: irq 18, io mem 0xfbcfc000
hub 6-0:1.0: USB hub found
hub 6-0:1.0: 3 ports detected
ohci_hcd 0000:00:14.5: PCI INT C -> GSI 18 (level, low) -> IRQ 18
ohci_hcd 0000:00:14.5: OHCI Host Controller
ohci_hcd 0000:00:14.5: new USB bus registered, assigned bus number 7
ohci_hcd 0000:00:14.5: irq 18, io mem 0xfbcfa000
hub 7-0:1.0: USB hub found
hub 7-0:1.0: 2 ports detected
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
usbcore: registered new interface driver usbserial
USB Serial support registered for generic
ata4: SATA link down (SStatus 0 SControl 300)
ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata2: SATA link down (SStatus 0 SControl 300)
ata3.00: ATA-8: OCZ-VERTEX, 1.5, max UDMA/133
ata3.00: 62533296 sectors, multi 1: LBA48 NCQ (depth 31/32), AA
ata3.00: configured for UDMA/133
usb 3-1: new full speed USB device using ohci_hcd and address 2
ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata1.00: ATA-7: SAMSUNG HD103UJ, 1AA01118, max UDMA7
ata1.00: 1953525168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
ata1.00: configured for UDMA/133
scsi 0:0:0:0: Direct-Access ATA SAMSUNG HD103UJ 1AA0 PQ: 0 ANSI: 5
sd 0:0:0:0: Attached scsi generic sg0 type 0
sd 0:0:0:0: [sda] 1953525168 512-byte logical blocks: (1.00 TB/931 GiB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
scsi 2:0:0:0: Direct-Access ATA OCZ-VERTEX 1.5 PQ: 0 ANSI: 5
sda:
sd 2:0:0:0: [sdb] 62533296 512-byte logical blocks: (32.0 GB/29.8 GiB)
sd 2:0:0:0: [sdb] Write Protect is off
sd 2:0:0:0: Attached scsi generic sg1 type 0
sd 2:0:0:0: [sdb] Mode Sense: 00 3a 00 00
sd 2:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
sdb:
scsi 4:0:0:0: CD-ROM HL-DT-ST DVD-RAM GH22NP20 1.03 PQ: 0 ANSI: 5
sdb1 sdb2
sd 2:0:0:0: [sdb] Attached SCSI disk
sr0: scsi3-mmc drive: 48x/48x writer dvd-ram cd/rw xa/form2 cdda tray
Uniform CD-ROM driver Revision: 3.20
sr 4:0:0:0: Attached scsi CD-ROM sr0
sr 4:0:0:0: Attached scsi generic sg2 type 5
sda1 sda2 sda3
sd 0:0:0:0: [sda] Attached SCSI disk
usb 4-1: new full speed USB device using ohci_hcd and address 2
usb 4-3: new low speed USB device using ohci_hcd and address 3
usbcore: registered new interface driver usbserial_generic
usbserial: USB Serial Driver core
USB Serial support registered for GSM modem (1-port)
usbcore: registered new interface driver option
option: v0.7.2:USB Driver for GSM modems
PNP: No PS/2 controller found. Probing ports directly.
serio: i8042 KBD port at 0x60,0x64 irq 1
serio: i8042 AUX port at 0x60,0x64 irq 12
mice: PS/2 mouse device common for all mice
i2c /dev entries driver
cpuidle: using governor ladder
cpuidle: using governor menu
usbcore: registered new interface driver hiddev
input: Logitech USB Receiver as /devices/pci0000:00/0000:00:12.0/usb3/3-1/3-1:1.0/input/input2
generic-usb 0003:046D:C52B.0001: input,hidraw0: USB HID v1.11 Keyboard [Logitech USB Receiver] on usb-0000:00:12.0-1/input0
input: Logitech USB Receiver as /devices/pci0000:00/0000:00:12.0/usb3/3-1/3-1:1.1/input/input3
generic-usb 0003:046D:C52B.0002: input,hiddev96,hidraw1: USB HID v1.11 Mouse [Logitech USB Receiver] on usb-0000:00:12.0-1/input1
generic-usb 0003:046D:C52B.0003: hiddev97,hidraw2: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:12.0-1/input2
input: C-Media USB Headphone Set as /devices/pci0000:00/0000:00:12.1/usb4/4-1/4-1:1.3/input/input4
generic-usb 0003:0D8C:000C.0004: input,hidraw3: USB HID v1.00 Device [C-Media USB Headphone Set ] on usb-0000:00:12.1-1/input3
input: HID 046a:0011 as /devices/pci0000:00/0000:00:12.1/usb4/4-3/4-3:1.0/input/input5
generic-usb 0003:046A:0011.0005: input,hidraw4: USB HID v1.10 Keyboard [HID 046a:0011] on usb-0000:00:12.1-3/input0
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
usbcore: registered new interface driver snd-usb-audio
ALSA device list:
#0: C-Media USB Headphone Set at usb-0000:00:12.1-1, full speed
Netfilter messages via NETLINK v0.30.
nf_conntrack version 0.5.0 (16384 buckets, 65536 max)
ctnetlink v0.93: registering with nfnetlink.
ip_tables: (C) 2000-2006 Netfilter Core Team
TCP cubic registered
NET: Registered protocol family 17
lib80211: common routines for IEEE802.11 drivers
lib80211_crypt: registered algorithm 'NULL'
powernow-k8: Found 1 AMD Phenom(tm) II X4 955 Processor (4 cpu cores) (version 2.20.00)
powernow-k8: 0 : pstate 0 (3200 MHz)
powernow-k8: 1 : pstate 1 (2500 MHz)
powernow-k8: 2 : pstate 2 (2100 MHz)
powernow-k8: 3 : pstate 3 (800 MHz)
registered taskstats version 1
EXT4-fs (sdb2): mounted filesystem with ordered data mode. Opts: (null)
VFS: Mounted root (ext4 filesystem) readonly on device 8:18.
Freeing unused kernel memory: 424k freed
Write protecting the kernel read-only data: 8192k
Freeing unused kernel memory: 1844k freed
Freeing unused kernel memory: 304k freed
udev: starting version 157
EXT4-fs (sdb2): re-mounted. Opts: discard
EXT4-fs (sdb2): re-mounted. Opts: discard
EXT4-fs (sdb2): re-mounted. Opts: discard
EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
EXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: (null)
Adding 200808k swap on /dev/sda3. Priority:-1 extents:1 across:200808k
r8169 0000:02:05.0: eth0: link up
r8169: WARNING! Changing of MTU on this NIC may lead to frame reception errors!
swap_free: Bad swap offset entry 3900390000000
BUG: Bad page map in process mpd pte:720072000000000 pmd:11d2f7067
addr:00007f6b09f82000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:132
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Not tainted 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b8c9b>] unmap_vmas+0x50c/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
Disabling lock debugging due to kernel taint
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f83000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:133
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f84000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:134
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f85000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:135
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f86000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:136
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f87000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:137
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f88000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:138
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f89000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:139
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f8a000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:13a
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f8b000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:13b
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f8c000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:13c
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f8d000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:13d
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f8e000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:13e
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f8f000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:13f
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f90000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:140
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f91000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:141
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f92000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:142
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f93000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:143
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f94000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:144
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f95000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:145
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f96000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:146
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f97000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:147
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f98000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:148
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f99000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:149
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f9a000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:14a
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f9b000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:14b
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f9c000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:14c
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f9d000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:14d
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f9e000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:14e
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09f9f000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:14f
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09fa0000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:150
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09fa1000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:151
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09fa2000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:152
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09fa3000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:153
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09fa4000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:154
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09fa5000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:155
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09fa6000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:156
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09fa7000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:157
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09fa8000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:158
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09fa9000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:159
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09faa000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:15a
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09fab000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:15b
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09fac000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:15c
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:720072007200720 pmd:11d2f7067
addr:00007f6b09fad000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:15d
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
BUG: Bad page map in process mpd pte:00000720 pmd:11d2f7067
addr:00007f6b09fae000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:15e
vma->vm_ops->fault: filemap_fault+0x0/0x31e
vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
Pid: 1672, comm: mpd Tainted: G B 2.6.35-rc2-00032-g78a5aa2 #45
Call Trace:
[<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
[<ffffffff810b80c1>] vm_normal_page+0x3a/0x68
[<ffffffff810b8aba>] unmap_vmas+0x32b/0x803
[<ffffffff810be003>] exit_mmap+0xc4/0x14a
[<ffffffff81057bc6>] mmput+0x2d/0xb9
[<ffffffff8105b57f>] exit_mm+0x100/0x10d
[<ffffffff81082165>] ? acct_collect+0x9f/0x180
[<ffffffff8105cc6f>] do_exit+0x1fd/0x689
[<ffffffff8105d1aa>] do_group_exit+0x75/0x9d
[<ffffffff8105d1e9>] sys_exit_group+0x17/0x1b
[<ffffffff8102b93b>] system_call_fastpath+0x16/0x1b
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: ext4 2.6.35-rc2 regression (ext4: Make sure the MOVE_EXT ioctl can't overwrite append-only files)
2010-06-06 8:16 ext4 2.6.35-rc2 regression (ext4: Make sure the MOVE_EXT ioctl can't overwrite append-only files) Markus Trippelsdorf
@ 2010-06-06 11:45 ` Theodore Tso
2010-06-06 11:59 ` Markus Trippelsdorf
0 siblings, 1 reply; 6+ messages in thread
From: Theodore Tso @ 2010-06-06 11:45 UTC (permalink / raw)
To: Markus Trippelsdorf; +Cc: linux-kernel, torvalds, linux-ext4
On Jun 6, 2010, at 4:16 AM, Markus Trippelsdorf wrote:
> Commit 1f5a81e41f8b1a782c68d3843e9ec1bfaadf7d72
> "ext4: Make sure the MOVE_EXT ioctl can't overwrite append-only files"
> causes the following kernel BUG on my machine (x86_64):
>
> BUG: Bad page map in process mpd pte:720072000000000 pmd:11d2f7067
> addr:00007f6b09f82000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:132
> vma->vm_ops->fault: filemap_fault+0x0/0x31e
> vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
> Pid: 1672, comm: mpd Not tainted 2.6.35-rc2-00032-g78a5aa2 #45
> Call Trace:
> [<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
> [<ffffffff810b8c9b>] unmap_vmas+0x50c/0x803
> [<ffffffff810be003>] exit_mmap+0xc4/0x14a
> [<ffffffff81057bc6>] mmput+0x2d/0xb9
What makes you think it was the commit you cited that is causing this crash? Unless you are specifically using e2defrag (or write code which explicitly calls this ext4-specific ioctl), the code path in question wouldn't even be entered, and I see nothing in this stack trace to indicate it was caused by this change.
(And in fact in a subsequent e-mail I see that you've tried reverting both changes to ext4 between rc1 and rc2 and it didn't seem to help.)
Have you tried bisecting the kernel to find commit which introduced this problem? What was the last kernel that didn't have these problem for you? -rc1? How easy is this to reproduce? Does this happen as soon as you boot up your system?
Thanks,
-- Ted
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: ext4 2.6.35-rc2 regression (ext4: Make sure the MOVE_EXT ioctl can't overwrite append-only files)
2010-06-06 11:45 ` Theodore Tso
@ 2010-06-06 11:59 ` Markus Trippelsdorf
2010-06-06 17:23 ` Markus Trippelsdorf
0 siblings, 1 reply; 6+ messages in thread
From: Markus Trippelsdorf @ 2010-06-06 11:59 UTC (permalink / raw)
To: Theodore Tso; +Cc: linux-kernel, torvalds, linux-ext4
On Sun, Jun 06, 2010 at 07:45:48AM -0400, Theodore Tso wrote:
>
> On Jun 6, 2010, at 4:16 AM, Markus Trippelsdorf wrote:
>
> > Commit 1f5a81e41f8b1a782c68d3843e9ec1bfaadf7d72
> > "ext4: Make sure the MOVE_EXT ioctl can't overwrite append-only files"
> > causes the following kernel BUG on my machine (x86_64):
> >
> > BUG: Bad page map in process mpd pte:720072000000000 pmd:11d2f7067
> > addr:00007f6b09f82000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:132
> > vma->vm_ops->fault: filemap_fault+0x0/0x31e
> > vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
> > Pid: 1672, comm: mpd Not tainted 2.6.35-rc2-00032-g78a5aa2 #45
> > Call Trace:
> > [<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
> > [<ffffffff810b8c9b>] unmap_vmas+0x50c/0x803
> > [<ffffffff810be003>] exit_mmap+0xc4/0x14a
> > [<ffffffff81057bc6>] mmput+0x2d/0xb9
>
> What makes you think it was the commit you cited that is causing this crash? Unless you are specifically using e2defrag (or write code which explicitly calls this ext4-specific ioctl), the code path in question wouldn't even be entered, and I see nothing in this stack trace to indicate it was caused by this change.
>
> (And in fact in a subsequent e-mail I see that you've tried reverting both changes to ext4 between rc1 and rc2 and it didn't seem to help.)
>
> Have you tried bisecting the kernel to find commit which introduced this problem? What was the last kernel that didn't have these problem for you? -rc1? How easy is this to reproduce? Does this happen as soon as you boot up your system?
>
I did a git pull this morning and hit the problem after rebooting. I
then looked in the changelog for recent ext4 commits and found the two
entries. I reverted the first one and the problem was still there.
Then I reverted the second one and the problem went away. After that I
reverted my last revert and the problem reappeared...
(From that I concluded that 1f5a81e41f8b1a782c68d3843e9ec1bfaadf7d72 was
the root of the problem. But maybe it was just a strange coincident)
I haven't tried a full bisection yet. The last working kernel was just
the git kernel from about 5 days ago. The bug is quiet easy to reproduce
and usually happens right after I boot my system and sometimes when I
shut it down.
I will try a bisection later today.
--
Markus
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: ext4 2.6.35-rc2 regression (ext4: Make sure the MOVE_EXT ioctl can't overwrite append-only files)
2010-06-06 11:59 ` Markus Trippelsdorf
@ 2010-06-06 17:23 ` Markus Trippelsdorf
2010-06-07 3:38 ` Linus Torvalds
0 siblings, 1 reply; 6+ messages in thread
From: Markus Trippelsdorf @ 2010-06-06 17:23 UTC (permalink / raw)
To: Theodore Tso; +Cc: linux-kernel, torvalds, linux-ext4
On Sun, Jun 06, 2010 at 01:59:47PM +0200, Markus Trippelsdorf wrote:
> On Sun, Jun 06, 2010 at 07:45:48AM -0400, Theodore Tso wrote:
> >
> > On Jun 6, 2010, at 4:16 AM, Markus Trippelsdorf wrote:
> >
> > > Commit 1f5a81e41f8b1a782c68d3843e9ec1bfaadf7d72
> > > "ext4: Make sure the MOVE_EXT ioctl can't overwrite append-only files"
> > > causes the following kernel BUG on my machine (x86_64):
> > >
> > > BUG: Bad page map in process mpd pte:720072000000000 pmd:11d2f7067
> > > addr:00007f6b09f82000 vm_flags:08000070 anon_vma:(null) mapping:ffff88011b1cec18 index:132
> > > vma->vm_ops->fault: filemap_fault+0x0/0x31e
> > > vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x54
> > > Pid: 1672, comm: mpd Not tainted 2.6.35-rc2-00032-g78a5aa2 #45
> > > Call Trace:
> > > [<ffffffff810b7a35>] print_bad_pte+0x1d0/0x1e9
> > > [<ffffffff810b8c9b>] unmap_vmas+0x50c/0x803
> > > [<ffffffff810be003>] exit_mmap+0xc4/0x14a
> > > [<ffffffff81057bc6>] mmput+0x2d/0xb9
> >
> > What makes you think it was the commit you cited that is causing this crash? Unless you are specifically using e2defrag (or write code which explicitly calls this ext4-specific ioctl), the code path in question wouldn't even be entered, and I see nothing in this stack trace to indicate it was caused by this change.
> >
> > (And in fact in a subsequent e-mail I see that you've tried reverting both changes to ext4 between rc1 and rc2 and it didn't seem to help.)
> >
> > Have you tried bisecting the kernel to find commit which introduced this problem? What was the last kernel that didn't have these problem for you? -rc1? How easy is this to reproduce? Does this happen as soon as you boot up your system?
> >
> I did a git pull this morning and hit the problem after rebooting. I
> then looked in the changelog for recent ext4 commits and found the two
> entries. I reverted the first one and the problem was still there.
> Then I reverted the second one and the problem went away. After that I
> reverted my last revert and the problem reappeared...
>
> (From that I concluded that 1f5a81e41f8b1a782c68d3843e9ec1bfaadf7d72 was
> the root of the problem. But maybe it was just a strange coincident)
>
> I haven't tried a full bisection yet. The last working kernel was just
> the git kernel from about 5 days ago. The bug is quiet easy to reproduce
> and usually happens right after I boot my system and sometimes when I
> shut it down.
>
> I will try a bisection later today.
Since this bug is not deterministically reproducible bisecting turned out
harder then anticipated. I get as far as:
bad d2dd328b7f7bc6cebe167648289337755944ad2a
good a094c0afc3515aaf962dd0793f3b23fe67e6b192
(Take even this result with a grain of salt, because a single wrong "git
bisect good" will lead to wrong results)
After that git bisect quickly goes to lala land.
--
Markus
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: ext4 2.6.35-rc2 regression (ext4: Make sure the MOVE_EXT ioctl can't overwrite append-only files)
2010-06-06 17:23 ` Markus Trippelsdorf
@ 2010-06-07 3:38 ` Linus Torvalds
2010-06-07 6:32 ` 2.6.35-rc2 regression Markus Trippelsdorf
0 siblings, 1 reply; 6+ messages in thread
From: Linus Torvalds @ 2010-06-07 3:38 UTC (permalink / raw)
To: Markus Trippelsdorf; +Cc: Theodore Tso, linux-kernel, linux-ext4
On Sun, 6 Jun 2010, Markus Trippelsdorf wrote:
> On Sun, Jun 06, 2010 at 01:59:47PM +0200, Markus Trippelsdorf wrote:
> > On Sun, Jun 06, 2010 at 07:45:48AM -0400, Theodore Tso wrote:
> > >
> > > On Jun 6, 2010, at 4:16 AM, Markus Trippelsdorf wrote:
> > >
> > > > Commit 1f5a81e41f8b1a782c68d3843e9ec1bfaadf7d72
> > > > "ext4: Make sure the MOVE_EXT ioctl can't overwrite append-only files"
> > > > causes the following kernel BUG on my machine (x86_64):
> > > >
> > > > BUG: Bad page map in process mpd pte:720072000000000 pmd:11d2f7067
This is the same "VGA pattern": 07200720 is two spaces.
It causes lots of trouble, too bad it made it into -rc2. It has nothing to
do with ext4.
And I bet it gets fix by the same vt.c patch that apparently fixed some
KMS issues. Look on lkml for a "poison overwritten" subject line.
Or just revert 962400e8fd29981a7b166e463dd143b6ac6a3e76.
Linus
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: 2.6.35-rc2 regression
2010-06-07 3:38 ` Linus Torvalds
@ 2010-06-07 6:32 ` Markus Trippelsdorf
0 siblings, 0 replies; 6+ messages in thread
From: Markus Trippelsdorf @ 2010-06-07 6:32 UTC (permalink / raw)
To: Linus Torvalds; +Cc: Theodore Tso, linux-kernel, linux-ext4
On Sun, Jun 06, 2010 at 08:38:17PM -0700, Linus Torvalds wrote:
>
>
> On Sun, 6 Jun 2010, Markus Trippelsdorf wrote:
>
> > On Sun, Jun 06, 2010 at 01:59:47PM +0200, Markus Trippelsdorf wrote:
> > > On Sun, Jun 06, 2010 at 07:45:48AM -0400, Theodore Tso wrote:
> > > >
> > > > On Jun 6, 2010, at 4:16 AM, Markus Trippelsdorf wrote:
> > > >
> > > > > Commit 1f5a81e41f8b1a782c68d3843e9ec1bfaadf7d72
> > > > > "ext4: Make sure the MOVE_EXT ioctl can't overwrite append-only files"
> > > > > causes the following kernel BUG on my machine (x86_64):
> > > > >
> > > > > BUG: Bad page map in process mpd pte:720072000000000 pmd:11d2f7067
>
> This is the same "VGA pattern": 07200720 is two spaces.
>
> It causes lots of trouble, too bad it made it into -rc2. It has nothing to
> do with ext4.
>
> And I bet it gets fix by the same vt.c patch that apparently fixed some
> KMS issues. Look on lkml for a "poison overwritten" subject line.
>
> Or just revert 962400e8fd29981a7b166e463dd143b6ac6a3e76.
Yes, I applied the patch early this morning and had no issues thus far.
--
Markus
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2010-06-07 6:32 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2010-06-06 8:16 ext4 2.6.35-rc2 regression (ext4: Make sure the MOVE_EXT ioctl can't overwrite append-only files) Markus Trippelsdorf
2010-06-06 11:45 ` Theodore Tso
2010-06-06 11:59 ` Markus Trippelsdorf
2010-06-06 17:23 ` Markus Trippelsdorf
2010-06-07 3:38 ` Linus Torvalds
2010-06-07 6:32 ` 2.6.35-rc2 regression Markus Trippelsdorf
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