[Trac #288] wireless oops on rmmod.

Zarro Boogs per Child bugtracker at laptop.org
Sun Nov 5 02:39:20 EST 2006


#288: wireless oops on rmmod.
----------------------+-----------------------------------------------------
 Reporter:  dwmw2     |       Owner:  marcelo
     Type:  defect    |      Status:  new    
 Priority:  blocker   |   Milestone:  BTest-1
Component:  wireless  |    Keywords:         
----------------------+-----------------------------------------------------
 Was trying to investigate strange variance in bcdDevice. Found another
 oops instead.

 {{{
 [root at olpc1 ~]#
 [root at olpc1 ~]# dmesg
 [    0.000000] Linux version 2.6.19-rc2 (dwmw2 at shinybook.infradead.org)
 (gcc version 4.1.1 20060525 (Red Hat 4.1.1-1.pr27898)) #20 Sat Nov 4
 13:17:11 CST 2006
 [    0.000000] BIOS-provided physical RAM map:
 [    0.000000]  BIOS-e801: 0000000000000000 - 000000000009f000 (usable)
 [    0.000000]  BIOS-e801: 0000000000100000 - 0000000007700000 (usable)
 [    0.000000] 119MB LOWMEM available.
 [    0.000000] Entering add_active_range(0, 0, 30464) 0 entries of 256
 used
 [    0.000000] Zone PFN ranges:
 [    0.000000]   DMA             0 ->     4096
 [    0.000000]   Normal       4096 ->    30464
 [    0.000000] early_node_map[1] active PFN ranges
 [    0.000000]     0:        0 ->    30464
 [    0.000000] On node 0 totalpages: 30464
 [    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: 206 pages used for memmap
 [    0.000000]   Normal zone: 26162 pages, LIFO batch:7
 [    0.000000] DMI not present or invalid.
 [    0.000000] ACPI: Unable to locate RSDP
 [    0.000000] Allocating PCI resources starting at 10000000 (gap:
 07700000:f8900000)
 [    0.000000] Detected 364.898 MHz processor.
 [   23.295233] Built 1 zonelists.  Total pages: 30226
 [   23.295264] Kernel command line: ro root=LABEL=OLPCRoot rootfstype=ext3
 console=tty0 console=ttyS0,115200 bcon=font:SUN12x22 pci=nobios
 video=gxfb:1024x768-16
 [   23.297643] Initializing CPU#0
 [   23.297773] CPU 0 irqstacks, hard=c06f1000 soft=c06f0000
 [   23.297805] PID hash table entries: 512 (order: 9, 2048 bytes)
 [   23.298059] Console: colour dummy device 80x25
 [   23.409755] Dentry cache hash table entries: 16384 (order: 4, 65536
 bytes)
 [   23.417180] Inode-cache hash table entries: 8192 (order: 3, 32768
 bytes)
 [   23.450680] Memory: 114700k/121856k available (1834k kernel code, 6688k
 reserved, 986k data, 160k init, 0k highmem)
 [   23.461289] virtual kernel memory layout:
 [   23.461304]     fixmap  : 0xffff8000 - 0xfffff000   (  28 kB)
 [   23.461322]     vmalloc : 0xc8000000 - 0xffff6000   ( 895 MB)
 [   23.461340]     lowmem  : 0xc0000000 - 0xc7700000   ( 119 MB)
 [   23.461358]       .init : 0xc06c3000 - 0xc06eb000   ( 160 kB)
 [   23.461376]       .data : 0xc05ca80a - 0xc06c1114   ( 986 kB)
 [   23.461395]       .text : 0xc0400000 - 0xc05ca80a   (1834 kB)
 [   23.500059] Checking if this processor honours the WP bit even in
 supervisor mode... Ok.
 [   23.657759] Calibrating delay using timer specific routine.. 731.18
 BogoMIPS (lpj=3655936)
 [   23.666332] Security Framework v1.0.0 initialized
 [   23.671148] Capability LSM initialized
 [   23.675047] Mount-cache hash table entries: 512
 [   23.680390] CPU: After generic identify, caps: 0080a13d c0c0a13d
 00000000 00000000 00000000 00000000 00000000
 [   23.680477] CPU: L1 I Cache: 16K (32 bytes/line), D cache 16K (32
 bytes/line)
 [   23.687681] CPU: After all inits, caps: 0080a13d c0c0a13d 00000000
 00000000 00000000 00000000 00000000
 [   23.687824] CPU: NSC Geode(TM) Integrated Processor by National Semi
 stepping 02
 [   23.695375] Checking 'hlt' instruction... OK.
 [   23.739652] checking if image is initramfs... it is
 [   23.777247] Freeing initrd memory: 2341k freed
 [   23.784049] NET: Registered protocol family 16
 [   23.789468] PCI: Using configuration type 1
 [   23.793715] Setting up standard PCI resources
 [   23.799273] DCON PRESENT: 1
 [   23.813581] ACPI: Interpreter disabled.
 [   23.818712] SCSI subsystem initialized
 [   23.823259] usbcore: registered new interface driver usbfs
 [   23.829382] usbcore: registered new interface driver hub
 [   23.835347] usbcore: registered new device driver usb
 [   23.841502] PCI: Probing PCI hardware
 [   23.845240] PCI: Probing PCI hardware (bus 00)
 [   23.880757] NET: Registered protocol family 2
 [   23.968094] IP route cache hash table entries: 1024 (order: 0, 4096
 bytes)
 [   23.975592] TCP established hash table entries: 4096 (order: 4, 65536
 bytes)
 [   23.983139] TCP bind hash table entries: 2048 (order: 3, 40960 bytes)
 [   23.989892] TCP: Hash tables configured (established 4096 bind 2048)
 [   23.996293] TCP reno registered
 [   24.001281] apm: BIOS version 114.102 Flags 0x7369 (Driver version
 1.16ac)
 [   24.008272] apm: no 32 bit BIOS support
 [   24.014075] Total HugeTLB memory allocated, 0
 [   24.019098] VFS: Disk quotas dquot_6.5.1
 [   24.023230] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
 [   24.030408] JFFS2 version 2.2. (NAND) (SUMMARY)  (C) 2001-2006 Red Hat,
 Inc.
 [   24.038255] io scheduler noop registered
 [   24.042349] io scheduler cfq registered (default)
 [   24.049614] gxfb 0000:00:01.1: 8192 KiB of video memory at 0xfd000000
 [   24.126546] Console: switching to colour frame buffer device 100x40
 [   24.186132] fb0: Geode GX frame buffer device
 [   24.223686] Real Time Clock Driver v1.12ac
 [   24.229958] Non-volatile memory driver v1.2
 [   24.234915] Serial: 8250/16550 driver $Revision: 1.90 $ 1 ports, IRQ
 sharing enabled
 [   24.517819] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a NS16550A
 [   24.534268] RAMDISK driver initialized: 16 RAM disks of 16384K size
 1024 blocksize
 [   24.545552] PCI: Setting latency timer of device 0000:00:0f.5 to 64
 [   24.545618] ehci_hcd 0000:00:0f.5: EHCI Host Controller
 [   24.552538] ehci_hcd 0000:00:0f.5: new USB bus registered, assigned bus
 number 1
 [   24.587770] ehci_hcd 0000:00:0f.5: irq 10, io mem 0xfe01b000
 [   24.594452] ehci_hcd 0000:00:0f.5: USB 2.0 started, EHCI 1.00, driver
 10 Dec 2004
 [   24.604660] usb usb1: configuration #1 chosen from 1 choice
 [   24.637728] hub 1-0:1.0: USB hub found
 [   24.668041] hub 1-0:1.0: 4 ports detected
 [   24.808945] ohci_hcd: 2006 August 04 USB 1.1 'Open' Host Controller
 (OHCI) Driver (PCI)
 [   24.809856] PCI: Setting latency timer of device 0000:00:0f.4 to 64
 [   24.809921] ohci_hcd 0000:00:0f.4: OHCI Host Controller
 [   24.842515] ohci_hcd 0000:00:0f.4: new USB bus registered, assigned bus
 number 2
 [   24.877342] ohci_hcd 0000:00:0f.4: irq 10, io mem 0xfe01a000
 [   24.971040] usb usb2: configuration #1 chosen from 1 choice
 [   25.005037] hub 2-0:1.0: USB hub found
 [   25.036492] hub 2-0:1.0: 4 ports detected
 [   25.178947] USB Universal Host Controller Interface driver v3.0
 [   25.213327] Initializing USB Mass Storage driver...
 [   25.267721] usb 1-1: new high speed USB device using ehci_hcd and
 address 2
 [   25.451591] usb 1-1: configuration #1 chosen from 1 choice
 [   25.767670] usb 1-2: new high speed USB device using ehci_hcd and
 address 3
 [   25.950847] usb 1-2: configuration #1 chosen from 1 choice
 [   25.988951] hub 1-2:1.0: USB hub found
 [   26.024206] hub 1-2:1.0: 4 ports detected
 [   26.447588] usb 1-4: new high speed USB device using ehci_hcd and
 address 4
 [   26.632760] usb 1-4: configuration #1 chosen from 1 choice
 [   26.673592] scsi0 : SCSI emulation for USB Mass Storage devices
 [   26.712153] usb-storage: device found at 2
 [   26.712186] usb-storage: waiting for device to settle before scanning
 [   26.947891] usb 1-2.1: new low speed USB device using ehci_hcd and
 address 5
 [   27.108452] usb 1-2.1: configuration #1 chosen from 1 choice
 [   27.387905] usb 1-2.2: new low speed USB device using ehci_hcd and
 address 6
 [   27.560368] usb 1-2.2: configuration #1 chosen from 1 choice
 [   27.603196] usbcore: registered new interface driver usb-storage
 [   27.640788] USB Mass Storage support registered.
 [   27.676182] usbcore: registered new interface driver libusual
 [   27.710249] usbcore: registered new interface driver hiddev
 [   27.753208] input: Logitech USB RECEIVER as /class/input/input0
 [   27.790263] input: USB HID v1.11 Mouse [Logitech USB RECEIVER] on
 usb-0000:00:0f.5-2.1
 [   27.840067] input:   USB Keyboard as /class/input/input1
 [   27.876524] input: USB HID v1.10 Keyboard [  USB Keyboard] on
 usb-0000:00:0f.5-2.2
 [   27.931063] input:   USB Keyboard as /class/input/input2
 [   27.966753] input: USB HID v1.10 Device [  USB Keyboard] on
 usb-0000:00:0f.5-2.2
 [   28.002446] usbcore: registered new interface driver usbhid
 [   28.036129] drivers/usb/input/hid-core.c: v2.6:USB HID core driver
 [   28.084526] serio: i8042 KBD port at 0x60,0x64 irq 1
 [   28.117547] serio: i8042 AUX port at 0x60,0x64 irq 12
 [   28.155489] TCP bic registered
 [   28.186014] Initializing XFRM netlink socket
 [   28.217922] NET: Registered protocol family 1
 [   28.249787] NET: Registered protocol family 17
 [   28.281024] Using IPI Shortcut mode
 [   28.311681] Freeing unused kernel memory: 160k freed
 [   28.343639] Time: tsc clocksource has been installed.
 [   28.375743] Write protecting the kernel read-only data: 665k
 [   28.798363] ehci_hcd: disagrees about version of symbol struct_module
 [   28.835289] ohci_hcd: disagrees about version of symbol struct_module
 [   28.876498] scsi_mod: disagrees about version of symbol struct_module
 [   28.912696] sd_mod: disagrees about version of symbol struct_module
 [   28.949419] usb_storage: disagrees about version of symbol
 struct_module
 [   32.441433] scsi 0:0:0:0: Direct-Access     Maxtor 6 L080L0
 0000 PQ: 0 ANSI: 0
 [   32.483195] SCSI device sda: 160086528 512-byte hdwr sectors (81964 MB)
 [   32.521933] sda: Write Protect is off
 [   32.555955] sda: Mode Sense: 27 00 00 00
 [   32.555984] sda: assuming drive cache: write through
 [   32.591808] SCSI device sda: 160086528 512-byte hdwr sectors (81964 MB)
 [   32.630302] sda: Write Protect is off
 [   32.664123] sda: Mode Sense: 27 00 00 00
 [   32.664185] sda: assuming drive cache: write through
 [   32.698193]  sda: sda1 sda2 sda3
 [   32.755247] sd 0:0:0:0: Attached scsi disk sda
 [   32.792530] usb-storage: device scan complete
 [   37.000403] jbd: disagrees about version of symbol struct_module
 [   37.039745] ext3: disagrees about version of symbol struct_module
 [   37.376686] EXT3-fs: INFO: recovery required on readonly filesystem.
 [   37.413840] EXT3-fs: write access will be enabled during recovery.
 [   38.408061] kjournald starting.  Commit interval 5 seconds
 [   38.443000] EXT3-fs: recovery complete.
 [   38.475363] EXT3-fs: mounted filesystem with ordered data mode.
 [   41.678595] warning: process `date' used the removed sysctl system call
 [   41.853832] warning: process `touch' used the removed sysctl system
 call
 [   45.898214] sdhci: Secure Digital Host Controller Interface driver,
 0.12
 [   45.898262] sdhci: Copyright(c) Pierre Ossman
 [   45.898450] sdhci: SDHCI controller found at 0000:00:0c.1 [11ab:4101]
 (rev 10)
 [   45.898611] sdhci host->max_clk 48MHz
 [   45.898949] mmc0: SDHCI at 0xfe010000 irq 11 DMA
 [   46.190815] Linux video capture interface: v2.00
 [   46.299914] Marvell m88ALP01 Camera Controller version 1
 [   46.470736] input: PC Speaker as /class/input/input3
 [   46.540470] OmniVision ov7670 sensor driver, at your service
 [   46.540622] ov7670 attach, id = 262155
 [   46.540651] ov7670 attach, id = 262162
 [   46.540673] ov7670 accepting
 [   46.556427] m881000-ccic 0000:00:0c.2: SMBUS write (42/12/80) timed out
 [   46.556469] detect result is -5
 [   46.729567] Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
 [   46.729619] ide: Assuming 33MHz system bus speed for PIO modes;
 override with idebus=xx
 [   46.804580] AMD5536: IDE controller at PCI slot 0000:00:0f.2
 [   46.804850] AMD5536: chipset revision 1
 [   46.804878] AMD5536: not 100% native mode: will probe irqs later
 [   46.805130] AMD5536: 0000:00:0f.2 (rev 01) UDMA100 controller
 [   46.805260] AMD5536: neither IDE port enabled (BIOS)
 [   48.419757] usb8xxx: Driver mode = Normal Driver
 [   49.397681] PCI: Setting latency timer of device 0000:00:0f.3 to 64
 [   49.401556] Failure reading codec reg 0x7e,Last value=0x7e805368
 [   49.401760] Failure reading codec reg 0x7e,Last value=0x7e805368
 [   53.795397] mice: PS/2 mouse device common for all mice
 [   55.083067] sd 0:0:0:0: Attached scsi generic sg0 type 0
 [   58.455325] request_firmware() failed, error code = 0xfffffffe
 [   58.455356] usb8388.bin not found in /lib/firmware
 [   58.455567] usb8xxx: probe of 1-4:1.0 failed with error -12
 [   58.455637] usbcore: registered new interface driver usb8xxx
 [   60.277792] warning: process `salsa' used the removed sysctl system
 call
 [   60.487376] warning: process `salsa' used the removed sysctl system
 call
 [   60.695175] warning: process `salsa' used the removed sysctl system
 call
 [   64.528808] EXT3 FS on sda3, internal journal
 [   65.696994] Adding 506036k swap on /dev/sda2.  Priority:-1 extents:1
 across:506036k
 [   69.690548] drivers/usb/net/rtl8150.c: rtl8150 based usb-ethernet
 driver v0.6.2 (2004/08/27)
 [   69.694394] usbcore: registered new interface driver rtl8150
 [root at olpc1 ~]# rmmod usb8xxx
 [root at olpc1 ~]# modprobe usb8xxx
 [  194.642832] usb8xxx: Driver mode = Normal Driver
 [root at olpc1 ~]# lsusb -v | grep bcdDevice
   bcdDevice            2.06
   bcdDevice           31.04
   bcdDevice            2.06
   bcdDevice            2.40
   bcdDevice            2.80
   bcdDevice           25.10
   bcdDevice            7.02
 [root at olpc1 ~]# rmmod usb8xxx
 [  202.571252] usbcore: deregistering interface driver usb8xxx
 [root at olpc1 ~]# modprobe usb8xxx
 [  204.482417] usb8xxx: Driver mode = Normal Driver
 [  206.823698] Failed to load fw, resetting device!
 [  206.943731] usb 1-4: reset high speed USB device using ehci_hcd and
 address 4
 [  207.104068] usb 1-4: device firmware changed
 [  207.110812] FW download failure, time = 2000 ms
 [  207.117119] usb8xxx: probe of 1-4:1.0 failed with error -12
 [  207.124825] usbcore: registered new interface driver usb8xxx
 [root at olpc1 ~]# [  207.143259] usb 1-4: USB disconnect, address 4
 [  207.413699] usb 1-4: new high speed USB device using ehci_hcd and
 address 7
 [  207.579009] usb 1-4: configuration #1 chosen from 1 choice
 [  210.233438] Failed to load fw, resetting device!
 [  210.239254] URB in failure status
 [  210.353461] usb 1-4: reset high speed USB device using ehci_hcd and
 address 7

 [root at olpc1 ~]#
 [root at olpc1 ~]#
 [root at olpc1 ~]# i[  212.763260] Failed to load fw, resetting device!
 f[  212.883342] usb 1-4: reset high speed USB device using ehci_hcd and
 address 7
 c[  213.033855] usb 1-4: device firmware changed
 [  213.039070] FW download failure, time = 2000 ms
 [  213.044850] usb8xxx: probe of 1-4:1.0 failed with error -12
 [  213.051805] usb 1-4: device_add(1-4:1.0) --> -12
 [  213.057753] usb 1-4: USB disconnect, address 7
 [  213.183300] usb 1-4: new high speed USB device using ehci_hcd and
 address 8
 [  213.337688] usb 1-4: configuration #1 chosen from 1 choice
 onfig -a
 eth0      Link encap:Ethernet  HWaddr 00:17:C4:00:07:F3
           BROADCAST MULTICAST  MTU:1500  Metric:1
           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

 lo        Link encap:Local Loopback
           inet addr:127.0.0.1  Mask:255.0.0.0
           UP LOOPBACK RUNNING  MTU:16436  Metric:1
           RX packets:8 errors:0 dropped:0 overruns:0 frame:0
           TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:0
           RX bytes:560 (560.0 b)  TX bytes:560 (560.0 b)

 [root at olpc1 ~]# rmmod usb8xxx
 [  222.439708] usbcore: deregistering interface driver usb8xxx
 [root at olpc1 ~]# modprobe usb8xxx
 [  225.091796] usb8xxx: Driver mode = Normal Driver
 [  227.432118] Failed to load fw, resetting device!
 [  227.552192] usb 1-4: reset high speed USB device using ehci_hcd and
 address 8
 [  227.702545] usb 1-4: device firmware changed
 [  227.709077] FW download failure, time = 2000 ms
 [  227.714923] usb 1-4: USB disconnect, address 8
 [  227.721028] usb8xxx: probe of 1-4:1.0 failed with error -12
 [  227.842210] usb 1-4: new high speed USB device using ehci_hcd and
 address 9
 [  227.994757] usb 1-4: configuration #1 chosen from 1 choice
 [  230.571878] Failed to load fw, resetting device!
 [  230.613224] URB in failure status
 [  230.751889] usb 1-4: reset high speed USB device using ehci_hcd and
 address 9
 [  233.191666] Failed to load fw, resetting device!
 [  233.341695] usb 1-4: reset high speed USB device using ehci_hcd and
 address 9
 [  233.522157] usb 1-4: device firmware changed
 [  233.562504] FW download failure, time = 2000 ms
 [  233.601839] usb 1-4: USB disconnect, address 9
 [  233.640154] usb8xxx: probe of 1-4:1.0 failed with error -12
 [  233.801659] usb 1-4: new high speed USB device using ehci_hcd and
 address 10
 [  233.986174] usb 1-4: configuration #1 chosen from 1 choice
 [  234.954636] usbcore: registered new interface driver usb8xxx
 [root at olpc1 ~]# ifconfig -a
 eth0      Link encap:Ethernet  HWaddr 00:17:C4:00:07:F3
           inet addr:192.168.0.115  Bcast:192.168.0.255  Mask:255.255.255.0
           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
           RX packets:2 errors:0 dropped:0 overruns:0 frame:0
           TX packets:1 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:1152 (1.1 KiB)  TX bytes:342 (342.0 b)

 lo        Link encap:Local Loopback
           inet addr:127.0.0.1  Mask:255.0.0.0
           UP LOOPBACK RUNNING  MTU:16436  Metric:1
           RX packets:8 errors:0 dropped:0 overruns:0 frame:0
           TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:0
           RX bytes:560 (560.0 b)  TX bytes:560 (560.0 b)

 [root at olpc1 ~]# rmmod usb8xxx
 [  246.967749] usbcore: deregistering interface driver usb8xxx
 [root at olpc1 ~]# modprobe usb8xxx
 [  249.969937] usb8xxx: Driver mode = Normal Driver
 [  252.360199] Failed to load fw, resetting device!
 [  252.520226] usb 1-4: reset high speed USB device using ehci_hcd and
 address 10
 [  252.700577] usb 1-4: device firmware changed
 [  252.740944] FW download failure, time = 2000 ms
 [  252.780129] usb 1-4: USB disconnect, address 10
 [  252.818572] usb8xxx: probe of 1-4:1.0 failed with error -12
 [  252.980244] usb 1-4: new high speed USB device using ehci_hcd and
 address 11
 [  253.162784] usb 1-4: configuration #1 chosen from 1 choice
 [  255.719947] Failed to load fw, resetting device!
 [  255.761261] URB in failure status
 [  255.899958] usb 1-4: reset high speed USB device using ehci_hcd and
 address 11
 [  258.339782] Failed to load fw, resetting device!
 [  258.489763] usb 1-4: reset high speed USB device using ehci_hcd and
 address 11
 [  258.680316] usb 1-4: device firmware changed
 [  258.721294] FW download failure, time = 2000 ms
 [  258.760864] usb 1-4: USB disconnect, address 11
 [  258.799561] usb8xxx: probe of 1-4:1.0 failed with error -12
 [  258.959724] usb 1-4: new high speed USB device using ehci_hcd and
 address 12
 [  259.144337] usb 1-4: configuration #1 chosen from 1 choice
 [  260.032660] usbcore: registered new interface driver usb8xxx
 [root at olpc1 ~]# lsusb -v | grep bcdDevice
   bcdDevice            2.06
   bcdDevice           31.04
   bcdDevice            2.06
   bcdDevice            2.40
   bcdDevice            2.80
   bcdDevice           25.10
   bcdDevice            7.02
 [root at olpc1 ~]# rmmod usb8xxx
 [  267.136016] usbcore: deregistering interface driver usb8xxx
 [  267.430501] BUG: unable to handle kernel NULL pointer dereference at
 virtual address 0000000c
 [  267.470986]  printing eip:
 [  267.505063] c05c71ab
 [  267.537916] *pde = 00000000
 [  267.570934] Oops: 0000 [#1]
 [  267.603388] Modules linked in: usb8xxx rtl8150 sg joydev mousedev
 snd_cs5535audio snd_ac97_codec snd_ac97_bus snd_seq_dummy snd_seq_oss
 snd_seq_midi_event snd_seq psmouse snd_seq_device serio_raw snd_pcm_oss
 snd_mixer_oss snd_pcm snd_timer snd generic soundcore amd74xx ide_core
 ov7670 snd_page_alloc pcspkr m88alp01_ccic videodev v4l1_compat
 v4l2_common sdhci mmc_core
 [  267.765111] CPU:    0
 [  267.765124] EIP:    0060:[<c05c71ab>]    Not tainted VLI
 [  267.765141] EFLAGS: 00010246   (2.6.19-rc2 #20)
 [  267.872863] EIP is at mutex_lock+0x1c/0x28
 [  267.908804] eax: 0000000c   ebx: 0000000c   ecx: 0000001f   edx:
 c63f4000
 [  267.947825] esi: 00000000   edi: 0000001f   ebp: c63f4de8   esp:
 c63f4d90
 [  267.986397] ds: 007b   es: 007b   ss: 0068
 [  268.021970] Process ethtool (pid: 2784, ti=c63f4000 task=c6444000
 task.ti=c63f4000)
 [  268.030751] Stack: 00000101 0000000c c8924d2a 00000246 c74c3758
 c63f4da4 c63f4da4 c63f4e48
 [  268.072439]        c74c3684 00000000 c12c8400 c043713f 00000004
 c74c35bc 32323332 454d9468
 [  268.114584]        c0416652 c8938540 c8930da2 c63f4e30 c63f4e2c
 c892e0d4 00000000 c045bf59
 [  268.157053] Call Trace:
 [  268.224489]  [<c8924d2a>] libertas_get_fwversion+0x17/0xaf [usb8xxx]
 [  268.264788]  [<c043713f>] blockable_page_cache_readahead+0x4c/0x9f
 [  268.305015]  [<c0416652>] current_fs_time+0x45/0x4f
 [  268.343780]  [<c892e0d4>] libertas_ethtool_get_drvinfo+0x26/0x4d
 [usb8xxx]
 [  268.384893]  [<c045bf59>] touch_atime+0x60/0x8f
 [  268.423219]  [<c05763ea>] dev_ethtool+0x165/0xa16
 [  268.461001]  [<c0575709>] dev_ioctl+0x2fd/0x46b
 [  268.498553]  [<c043bf81>] __handle_mm_fault+0x74d/0x76f
 [  268.536396]  [<c056b371>] sock_ioctl+0x19f/0x1c3
 [  268.573600]  [<c056c252>] sock_map_fd+0x41/0x4a
 [  268.610116]  [<c056b1d2>] sock_ioctl+0x0/0x1c3
 [  268.646074]  [<c04550e1>] do_ioctl+0x19/0x4c
 [  268.681710]  [<c045530e>] vfs_ioctl+0x1fa/0x211
 [  268.717542]  [<c0455371>] sys_ioctl+0x4c/0x67
 [  268.752816]  [<c0402c47>] syscall_call+0x7/0xb
 [  268.787726]  =======================
 [  268.821084] Code: 0f c1 03 48 79 05 89 d8 5b eb 2c 5b 31 c0 c3 53 ba 56
 00 00 00 89 c3 83 ec 04 b8 d0 4f 5e c0 e8 ae 80 e4 ff e8 11 f8 ff ff 89 d8
 <ff> 08 79 05 e8 d2 00 00 00 58 5b c3 57 56 53 89 c3 83 ec 0c 89
 [  268.938264] EIP: [<c05c71ab>] mutex_lock+0x1c/0x28 SS:ESP 0068:c63f4d90
 [  268.976357]

 }}}

-- 
Ticket URL: <http://dev.laptop.org/ticket/288>
One Laptop Per Child <http://laptop.org/>



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