#12465 BLOC Not Tri: XO-4 13.1.0 Linux doesn't suspend if camera missing

Zarro Boogs per Child bugtracker at laptop.org
Thu Jan 10 18:37:53 EST 2013


#12465: XO-4 13.1.0 Linux doesn't suspend if camera missing
--------------------------------+-------------------------------------------
           Reporter:  wad       |       Owner:                                   
               Type:  defect    |      Status:  new                              
           Priority:  blocker   |   Milestone:  Not Triaged                      
          Component:  kernel    |     Version:  Development build as of this date
         Resolution:            |    Keywords:  XO-4, suspend, camera            
        Next_action:  diagnose  |    Verified:  0                                
Deployment_affected:            |   Blockedby:                                   
           Blocking:            |  
--------------------------------+-------------------------------------------

Comment(by pgf):

 here's a boot log with a missing sensor.  i think we have a device-
 tree/kernel disagreement going on.

 {{{
 CForth built 2013-01-08 03:12 from commit 7b9cfcf1...
 Matrix mode on
 releasing
 could not open touchscreen
 USB devices:
 /usb at d4208000/hub at 0,0
 /usb at d4208000/hub at 0,0/scsi at 3,0
 /usb at d4208000/hub at 0,0/scsi at 3,0/disk
 OLPC 4C1, 1196 MHz, 2 GiB memory, 8 GB internal storage, S/N SHC247006BA
 OpenFirmware  Q7B11   EC Firmware 0.3.08   2013-01-10 23:33:59 UTC

 Type the Esc key to interrupt automatic startup
 Boot device: /sd/sdhci at d4281000/disk:\boot\olpc.fth  Arguments:
 Boot device: /sd/sdhci at d4281000/disk:\boot\vmlinuz  Arguments:
 Loading ramdisk image from /sd/sdhci at d4281000/disk:\boot\initrd.img ...
 Uncompressing Linux... done, booting the kernel.
 [    0.000000] Booting Linux on physical CPU 0
 [    0.000000] Initializing cgroup subsys cpu
 [    0.000000] Linux version 3.5.7-01136-g5dffc07-dirty (pgf at chalk) (gcc
 version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #23 PREEMPT Wed Jan 9
 15:15:20 EST 2013
 [    0.000000] CPU: ARMv7 Processor [562f5842] revision 2 (ARMv7),
 cr=10c5387d
 [    0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction
 cache
 [    0.000000] Machine: Marvell MMP2 (Device Tree Support), model: 4C1
 [    0.000000] cma: CMA: reserved 64 MiB at 28000000
 [    0.000000] Memory policy: ECC disabled, Data cache writeback
 [    0.000000] Built 1 zonelists in Zone order, mobility grouping on.
 Total pages: 518160
 [    0.000000] Kernel command line: console=ttyS2,115200 console=tty0
 selinux=0 fbcon=font:SUN12x22
 [    0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
 [    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288
 bytes)
 [    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144
 bytes)
 [    0.000000] Memory: 2040MB = 2040MB total
 [    0.000000] Memory: 1992488k/1992488k available, 96472k reserved,
 1310720K highmem
 [    0.000000] Virtual kernel memory layout:
 [    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
 [    0.000000]     fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
 [    0.000000]     vmalloc : 0xf0000000 - 0xff000000   ( 240 MB)
 [    0.000000]     lowmem  : 0xc0000000 - 0xef800000   ( 760 MB)
 [    0.000000]     pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
 [    0.000000]     modules : 0xbf000000 - 0xbfe00000   (  14 MB)
 [    0.000000]       .text : 0xc0008000 - 0xc05b5d6c   (5816 kB)
 [    0.000000]       .init : 0xc05b6000 - 0xc05f1b1c   ( 239 kB)
 [    0.000000]       .data : 0xc05f2000 - 0xc062e7c0   ( 242 kB)
 [    0.000000]        .bss : 0xc062e7e4 - 0xc06c996c   ( 621 kB)
 [    0.000000] NR_IRQS:16 nr_irqs:16 16
 [    0.000000] sched_clock: 32 bits at 6MHz, resolution 153ns, wraps every
 660764ms
 [    0.000000] Console: colour dummy device 80x30
 [    0.000000] console [tty0] enabled
 [    0.000067] Calibrating delay loop... 1191.11 BogoMIPS (lpj=5955584)
 [    0.040178] pid_max: default: 32768 minimum: 301
 [    0.040481] Mount-cache hash table entries: 512
 [    0.040481] CPU: Testing write buffer coherency: ok
 [    0.044034] ftrace: allocating 15717 entries in 47 pages
 [    0.071079] Setting up static identity map for 0x4172b0 - 0x417308
 [    0.072894] devtmpfs: initialized
 [    0.082972] NET: Registered protocol family 16
 [    0.090993] DMA: preallocated 256 KiB pool for atomic coherent
 allocations
 [    0.093308] L310 cache controller enabled
 [    0.093464] l2x0: 8 ways, CACHE_ID 0x880000ed, AUX_CTRL 0x02860000,
 Cache size: 524288 B
 [    0.093521] Wow!  Can't register IRQ for DMA
 [    0.093521] Dual MC enabled, config 0x40
 [    0.097968] mmp-sram d1030000.asram: initialized
 [    0.097968] mmp-sram d1020000.vsram: initialized
 [    0.098399] OLPC board revision 4C1 (EC api 5)
 [    0.101074] bio: create slab <bio-0> at 0
 [    0.101315] pxa168fb_dss_probe
 [    0.101448] SCSI subsystem initialized
 [    0.101813] usbcore: registered new interface driver usbfs
 [    0.101978] usbcore: registered new interface driver hub
 [    0.102073] usbcore: registered new device driver usb
 [    0.102073] i2c i2c-0: of_i2c: modalias failure on /camera-i2c at 0/image-
 sensor
 [    0.102353] i2c-gpio 0.camera-i2c: using pins 166 (SDA) and 165 (SCL)
 [    0.102892] i2c-gpio 0.dcon-i2c: using pins 167 (SDA) and 168 (SCL)
 [    0.103219] i2c-gpio 0.hdmi-i2c: using pins 5 (SDA) and 4 (SCL)
 [    0.103669] I2C: i2c-3: PXA I2C adapter
 [    0.104099] I2C: i2c-4: PXA I2C adapter
 [    0.104531] I2C: i2c-5: PXA I2C adapter
 [    0.104938] I2C: i2c-6: PXA I2C adapter
 [    0.105096] Linux video capture interface: v2.00
 [    0.105096] Advanced Linux Sound Architecture Driver Version 1.0.25.
 [    0.105814] cfg80211: Calling CRDA to update world regulatory domain
 [    0.106012] Switching to clocksource clocksource
 [    0.119742] NET: Registered protocol family 2
 [    0.119927] IP route cache hash table entries: 32768 (order: 5, 131072
 bytes)
 [    0.120180] TCP established hash table entries: 131072 (order: 8,
 1048576 bytes)
 [    0.121769] TCP bind hash table entries: 65536 (order: 6, 262144 bytes)
 [    0.122068] TCP: Hash tables configured (established 131072 bind 65536)
 [    0.122091] TCP: reno registered
 [    0.122109] UDP hash table entries: 512 (order: 1, 8192 bytes)
 [    0.122140] UDP-Lite hash table entries: 512 (order: 1, 8192 bytes)
 [    0.122303] NET: Registered protocol family 1
 [    0.122303] Trying to unpack rootfs image as initramfs...
 [    0.159439] Freeing initrd memory: 6552K
 [    0.162443] highmem bounce pool size: 64 pages
 [    0.162881] VFS: Disk quotas dquot_6.5.2
 [    0.162881] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
 [    0.163500] msgmni has been set to 1472
 [    0.164056] io scheduler noop registered
 [    0.164096] io scheduler deadline registered
 [    0.164144] io scheduler cfq registered (default)
 [    0.164144] pxa168fb_gfx_init_platform_driver
 [    0.164415] pxa168fb_probe: 0
 [    0.164433] pxa168fb_gfx_probe: OLPC DCON panel isr_clear_mask not been
 initialized!
 [    0.185698] ---------FB DMA buffer phy addr : 28100000
 [    0.196156] fb0: sclk_src 0 clk_get_rate = 400000000
 [    0.197494] pxa168fb_init_modes
 [    0.197517] pxa168fb: set_screen for fbi 0
 [    0.197735] pxa168fb_open GFX layer, fbi 0 opened 0 times ----
 [    0.197999] pxa168fb: set_screen for fbi 0
 [    0.217586] Console: switching to colour frame buffer device 100x40
 [    0.245409] pxa168fb: frame buffer device was loaded to /dev/fb0 <OLPC
 DCON panel>.
 [    0.251039] ---------FBoverlay DMA buffer phy addr : 29500000
 [    0.251039] pxa168fb: set_screen for fbi 0
 [    0.252614] pxa168fb_ovly: frame buffer device was loaded to /dev/fb1
 <OLPC DCON panel >.
 [    0.256723] pxa168fb_gfx_init_platform_driver
 [    0.256852] pxa168fb_probe: 1
 [    0.260751] pxa168fb_gfx_probe: HDMI isr_clear_mask not been
 initialized!
 [    0.268490] --share--FB DMA buffer phy addr : 28100000
 [    0.268503] fb1: sclk_src 0 clk_get_rate = 400000000
 [    0.276168] pxa168fb_init_modes
 [    0.276168] pxa168fb: set_screen for fbi 1
 [    0.283533] surface: xres 1200 xres_z 960 yres 900 yres_z 720
 [    0.283533]  left 160 top 0
 [    0.290875] pxa168fb: frame buffer device was loaded to /dev/fb2
 <HDMI>.
 [    0.294689] pxa688_hdmi_init_platform_driver
 [    0.304919] ---------FBoverlay DMA buffer phy addr : 29700000
 [    0.308797] pxa168fb: set_screen for fbi 1
 [    0.313441] surface: xres 1200 xres_z 960 yres 900 yres_z 720
 [    0.313441]  left 160 top 0
 [    0.321089] pxa168fb_ovly: frame buffer device was loaded to /dev/fb3
 <HDMI - overlay>.
 [    0.321203] mmp-tdma c0ffd800.adma: initialized
 [    0.329513] pxa2xx-uart.1: ttyS2 at MMIO 0xd4017000 (irq = 28) is a
 UART3
 [    0.928933] console [ttyS2] enabled
 [    0.946989] brd: module loaded
 [    0.967309] lis3lv02d: 8 bits 3DC sensor found
 [    1.056225] input: ST LIS3LV02DL Accelerometer as
 /devices/platform/lis3lv02d/input/input0
 [    1.068912] OLPC XO-1.75 Embedded Controller driver probed
 [    1.078614] input: Power Button as /devices/d4037000.ec-
 spi/input/input1
 [    1.106164] input: OLPC OLS notify as /devices/0.ols/input/input2
 [    1.116701] OLPC Outdoor Light Sensor driver probed
 [    1.116701] OLPC XO-1.75 lid and ebook switches
 [    1.134541] input: OLPC lid switch as /devices/virtual/input/input3
 [    1.145132] input: OLPC ebook switch as /devices/virtual/input/input4
 [    1.156189] usbcore: registered new interface driver ipheth
 [    1.166161] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
 [    1.176945] pxau2o-ehci d4208000.usb: pxa9xx ehci
 [    1.186100] pxau2o-ehci d4208000.usb: new USB bus registered, assigned
 bus number 1
 [    1.202110] pxau2o-ehci d4208000.usb: irq 44, io mem 0xd4208000
 [    1.226207] pxau2o-ehci d4208000.usb: USB 2.0 started, EHCI 1.00
 [    1.236453] usb usb1: New USB device found, idVendor=1d6b,
 idProduct=0002
 [    1.247347] usb usb1: New USB device strings: Mfr=3, Product=2,
 SerialNumber=1
 [    1.258715] usb usb1: Product: pxa9xx ehci
 [    1.266899] usb usb1: Manufacturer: Linux 3.5.7-01136-g5dffc07-dirty
 ehci_hcd
 [    1.278179] usb usb1: SerialNumber: d4208000.usb
 [    1.287421] hub 1-0:1.0: USB hub found
 [    1.295268] hub 1-0:1.0: 1 port detected
 [    1.303355] mmp3_usb_phy_init_internal: Init usb phy!!!
 [    1.314163] Initializing USB Mass Storage driver...
 [    1.323251] usbcore: registered new interface driver usb-storage
 [    1.333371] USB Mass Storage support registered.
 [    1.342051] usbcore: registered new interface driver libusual
 [    1.351970] usbcore: registered new interface driver mdc800
 [    1.361602] mdc800: v0.7.5 (30/10/2000):USB Driver for Mustek MDC800
 Digital Camera
 [    1.373350] usbcore: registered new interface driver usbserial
 [    1.383425] usbcore: registered new interface driver usbserial_generic
 [    1.394004] USB Serial support registered for generic
 [    1.403159] usbserial: USB Serial Driver core
 [    1.411797] OLPC SP keyboard/touchpad driver probed
 [    1.421392] sa1100-rtc d4010000.wakeup-rtc: rtc core: registered
 d4010000.wakeup-rtc as rtc0
 [    1.434547] rtc_idt1338 4-0068: rtc core: registered rtc_idt1338 as
 rtc1
 [    1.534320] input: AT Translated Set 2 keyboard as /devices/d4290000
 .ap-sp/serio0/input/input5
 [    1.616159] usb 1-1: new high-speed USB device number 2 using pxau2o-
 ehci
 [    1.777600] usb 1-1: New USB device found, idVendor=05e3,
 idProduct=0608
 [    1.788482] usb 1-1: New USB device strings: Mfr=0, Product=1,
 SerialNumber=0
 [    1.799771] usb 1-1: Product: USB2.0 Hub
 [    1.808348] hub 1-1:1.0: USB hub found
 [    1.816235] mmp3_thermal: setting thermal watchdog to 100.5C
 [    1.826464] hub 1-1:1.0: 4 ports detected
 [    1.851798] sdhci: Secure Digital Host Controller Interface driver
 [    1.862183] sdhci: Copyright(c) Pierre Ossman
 [    1.870693] mmc0: FIXME: setting broken card detection quirk, remove
 this hack once the 'broken-cd' DT property is in-place.
 [    1.926191] mmc0: SDHCI controller on d4280800.sdhci [d4280800.sdhci]
 using ADMA
 [    1.938024] mmc1: FIXME: setting broken card detection quirk, remove
 this hack once the 'broken-cd' DT property is in-place.
 [    1.989818] mmc0: new high speed SDIO card at address 0001
 [    1.999812] mmc1: SDHCI controller on d4281000.sdhci [d4281000.sdhci]
 using ADMA
 [    2.012040] mmc2: FIXME: setting broken card detection quirk, remove
 this hack once the 'broken-cd' DT property is in-place.
 [    2.066186] mmc2: SDHCI controller on d4280000.sdhci [d4280000.sdhci]
 using ADMA
 [    2.078367] mmc3: FIXME: setting broken card detection quirk, remove
 this hack once the 'broken-cd' DT property is in-place.
 [    2.114153] mmc1: new high speed DDR MMC card at address 0001
 [    2.125971] mmcblk0: mmc1:0001 008G4B 7.40 GiB
 [    2.135513] mmcblk0boot0: mmc1:0001 008G4B partition 1 2.00 MiB
 [    2.146365] mmc3: SDHCI controller on d4217000.sdhci [d4217000.sdhci]
 using ADMA
 [    2.158815] mmcblk0boot1: mmc1:0001 008G4B partition 2 2.00 MiB
 [    2.169809] usb 1-1.3: new high-speed USB device number 3 using pxau2o-
 ehci
 [    2.181897] sdhci-pltfm: SDHCI platform and OF driver helper
 [    2.193611] usbcore: registered new interface driver usbhid
 [    2.204366]  mmcblk0: p1 p2
 [    2.212243] usbhid: USB HID core driver
 [    2.222558]  mmcblk0boot1: unknown partition table
 [    2.232400] olpc-dcon:  Discovered DCON version 2
 [    2.243909]  mmcblk0boot0: unknown partition table
 [    2.256577] i2c-core: driver [olpc_dcon] using legacy suspend method
 [    2.267936] i2c-core: driver [olpc_dcon] using legacy resume method
 [    2.283650] usbcore: registered new interface driver snd-usb-audio
 [    2.295092] mmp_pcm_probe
 [    2.389251] asoc: rt5631-hifi <-> c0ffdc00.audio mapping ok
 [    2.400363] input: OLPC XO-1.75 Headphone Jack as /devices/0.audio-
 complex/sound/card0/input6
 [    2.413838] input: OLPC XO-1.75 Mic Jack as /devices/0.audio-
 complex/sound/card0/input7
 [    2.430698] TCP: bic registered
 [    2.438838] Initializing XFRM netlink socket
 [    2.448041] NET: Registered protocol family 10
 [    2.457300] NET: Registered protocol family 17
 [    2.466962] lib80211: common routines for IEEE802.11 drivers
 [    2.477291] rfkill_gpio_probe: failed to get shutdown gpio.
 [    2.487523] rfkill_gpio: probe of rfkill_gpio failed with error -16
 [    2.498289] Key type dns_resolver registered
 [    2.506987] VFP support v0.3: implementor 56 architecture 2 part 20
 variant 9 rev 6
 [    2.520373] ThumbEE CPU extension supported.
 [    2.529024] Registering SWP/SWPB emulation handler
 [    2.539146] PJ4 iWMMXt coprocessor enabled.
 [    2.548497] rtc_idt1338 4-0068: setting system clock to 2013-01-10
 23:34:07 UTC (1357860847)
 [    2.561271] ALSA device list:
 [    2.570375]   #0: OLPC XO-1.75
 [    2.577911] Freeing init memory: 236K
 [    2.621251] tmpfs: No value for mount option 'strictatime'
 [    2.630963] usb 1-1.3: New USB device found, idVendor=05dc,
 idProduct=a740
 [    2.649692] usb 1-1.3: New USB device strings: Mfr=1, Product=2,
 SerialNumber=3
 [    2.671310] usb 1-1.3: Product: USB Flash Drive
 [    2.689752] usb 1-1.3: Manufacturer: UFD
 [    2.701032] tmpfs: No value for mount option 'strictatime'
 [    2.710511] usb 1-1.3: SerialNumber: AA04013000009789
 [    2.721629] scsi0 : usb-storage 1-1.3:1.0
 [    2.743363] tmpfs: No value for mount option 'strictatime'
 [    2.790233] dracut: dracut-18 (Spherical Cow)
 dracut-024-17.git20121220.fc18
 [    2.832619] systemd-udevd[79]: starting version 195
 [    3.740753] scsi 0:0:0:0: Direct-Access     UFD      USB Flash Drive
 1100 PQ: 0 ANSI: 0 CCS
 [    3.782540] sd 0:0:0:0: Attached scsi generic sg0 type 0
 [    3.794793] sd 0:0:0:0: [sda] 3915776 512-byte logical blocks: (2.00
 GB/1.86 GiB)
 [    3.826671] sd 0:0:0:0: [sda] Write Protect is off
 [    3.836764] sd 0:0:0:0: [sda] No Caching mode page present
 [    3.861800] sd 0:0:0:0: [sda] Assuming drive cache: write through
 [    3.893991] sd 0:0:0:0: [sda] No Caching mode page present
 [    3.913555] sd 0:0:0:0: [sda] Assuming drive cache: write through
 [    3.936049]  sda: sda1
 [    3.951880] sd 0:0:0:0: [sda] No Caching mode page present
 [    3.971129] sd 0:0:0:0: [sda] Assuming drive cache: write through
 [    3.995505] sd 0:0:0:0: [sda] Attached SCSI removable disk
 [    4.363518] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data
 mode. Opts: (null)
 [    4.394671] dracut: Remounting /dev/disk/mmc/mmc1p2 with -o
 [    4.407220] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
 [    4.437565] dracut: Mounted root filesystem /dev/disk/mmc/mmc1p2
 [    4.458338] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
 [    4.473235] EXT4-fs (mmcblk0p1): warning: mounting unchecked fs,
 running e2fsck is recommended
 [    4.487405] EXT4-fs (mmcblk0p1): mounted filesystem without journal.
 Opts: (null)
 [    4.510548] Dsize 15532032 Psize 15392768 Pstart 139264 Pend 15532032
 [    4.688602] pxa168fb_open GFX layer, fbi 0 opened 1 times ----
 [    4.868214] dcon_freeze_store: 0
 [    4.871738] dcon_source_switch to CPU
 [    4.897800] olpc-dcon: The CPU has control
 [    5.000112] dracut: Switching root
 [    5.104709] systemd[1]: systemd 195 running in system mode. (+PAM
 +LIBWRAP +AUDIT +SELINUX +IMA +SYSVINIT +LIBCRYPTSETUP +GCRYPT +ACL +XZ;
 fedora)
 [    5.124620] systemd[1]: Set hostname to <xo-1e-88-11.localdomain>.
 [    5.273519] systemd[1]: Started Replay Read-Ahead Data.
 [    5.279209] systemd[1]: Starting Forward Password Requests to Wall
 Directory Watch.
 [    5.287210] systemd[1]: Started Forward Password Requests to Wall
 Directory Watch.
 [    5.294815] systemd[1]: Expecting device dev-ttyS2.device...
 [    5.300667] systemd[1]: Starting Remote File Systems.
 [    5.306180] systemd[1]: Reached target Remote File Systems.
 [    5.311897] systemd[1]: Starting Syslog Socket.
 [    5.317333] systemd[1]: Listening on Syslog Socket.
 [    5.324450] systemd[1]: Starting Delayed Shutdown Socket.
 [    5.330059] systemd[1]: Listening on Delayed Shutdown Socket.
 [    5.335793] systemd[1]: Starting /dev/initctl Compatibility Named Pipe.
 [    5.342481] systemd[1]: Listening on /dev/initctl Compatibility Named
 Pipe.
 [    5.349577] systemd[1]: Starting Encrypted Volumes.
 [    5.354484] systemd[1]: Reached target Encrypted Volumes.
 [    5.360065] systemd[1]: Starting Dispatch Password Requests to Console
 Directory Watch.
 [    5.368151] systemd[1]: Started Dispatch Password Requests to Console
 Directory Watch.
 [    5.376431] systemd[1]: Starting udev Kernel Socket.
 [    5.381558] systemd[1]: Listening on udev Kernel Socket.
 [    5.387009] systemd[1]: Starting udev Control Socket.
 [    5.393472] systemd[1]: Listening on udev Control Socket.
 [    5.398878] systemd[1]: Set up automount Arbitrary Executable File
 Formats File System Automount Point.
 [    5.408370] systemd[1]: Starting Swap.
 [    5.412232] systemd[1]: Reached target Swap.
 [    5.416627] systemd[1]: Starting Journal Socket.
 [    5.421348] systemd[1]: Listening on Journal Socket.
 [    5.426436] systemd[1]: Starting Syslog.
 [    5.430368] systemd[1]: Reached target Syslog.
 [    5.434906] systemd[1]: Starting Configure read-only root support...
 [    5.443024] systemd[1]: Started Import network configuration from
 initramfs.
 [    5.452016] systemd[1]: Mounting POSIX Message Queue File System...
 [    5.461063] systemd[1]: Mounted Huge Pages File System.
 [    5.474587] systemd[1]: Starting Apply Kernel Variables...
 [    5.486185] systemd[1]: Mounting Debug File System...
 [    5.495206] systemd[1]: Starting Setup Virtual Console...
 [    5.516410] systemd[1]: Started Load Kernel Modules.
 [    5.521830] systemd[1]: Mounted FUSE Control File System.
 [    5.548356] systemd[1]: Started File System Check on Root Device.
 [    5.555227] systemd[1]: Starting Remount Root and Kernel File
 Systems...
 [    5.575716] systemd[1]: Starting udev Kernel Device Manager...
 [    5.605199] systemd[1]: Started Set Up Additional Binary Formats.
 [    5.621181] systemd[1]: Mounted Configuration File System.
 [    5.642542] systemd[1]: Starting Journal Service...
 [    5.658286] systemd[1]: Started Journal Service.
 [    5.687671] systemd-udevd[239]: starting version 195
 [    5.729039] systemd[1]: Starting udev Coldplug all Devices...
 [    5.747758] systemd[1]: Started udev Kernel Device Manager.
 [    5.779462] systemd[1]: Mounted POSIX Message Queue File System.
 [    5.796524] systemd[1]: Started Apply Kernel Variables.
 [    5.802925] systemd[1]: Mounted Debug File System.
 [    5.877336] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
 [    6.883257] systemd-journald[246]: Received SIGUSR1
 [    7.021116] usbcore: registered new interface driver sisusb
 [    7.055502] usbcore: registered new interface driver udlfb
 [    7.147003] usbcore: deregistering interface driver udlfb
 [    7.230789] runin-check: noop
 [    7.382758] zforce_reset: ASIC error: no touchscreen connected?
 [    7.768781] MARK:206 mmpcam_probe()
 [    7.807821] zforce: found zForce firmware 0.0.0.10
 [    8.062433] got GPIOs power=150 reset=102
 [    8.068198] dcon_freeze_store: 1
 [    8.072034] dcon_source_switch to DCON
 [    8.096600] zforce_i2c_probe: failed
 [    8.101885] olpc-dcon: The DCON has control
 [    8.169174] pxa168fb: set_screen for fbi 0
 [    8.196209] pxa168fb_release GFX layer, fbi 0 opened 2 times ----
 [    8.245095] psmouse serio1: sentelic: Finger Sensing Pad, hw: 13.2.6,
 sn: 0, sw: 1.1.0-K
 [    8.300019] MARK:266 mmpcam_probe()
 [    8.454479] MARK:270 mmpcam_probe() 'mcam->sensor_node' is 0xc16d3e98
 [    8.503910] pxa168fb_open GFX layer, fbi 0 opened 1 times ----
 [    8.551657] pxa168fb_release GFX layer, fbi 0 opened 2 times ----
 [    8.588119] pxa168fb_open GFX layer, fbi 0 opened 1 times ----
 [    8.598460] input: FSPPS/2 Sentelic FingerSensingPad as
 /devices/d4290000.ap-sp/serio1/input/input8
 [    8.641849] pxa168fb: set_screen for fbi 0
 [    8.752492] input: olpc-kbdshim virtual keyboard as
 /devices/virtual/input/input9
 [    8.818780] input: olpc-kbdshim virtual mouse as
 /devices/virtual/input/input10
 [    9.160374] Bluetooth: Core ver 2.16
 [    9.160374] NET: Registered protocol family 31
 [    9.372332] Bluetooth: HCI device and connection manager initialized
 [    9.428656] Bluetooth: HCI socket layer initialized
 [    9.428687] Bluetooth: L2CAP socket layer initialized
 [    9.645914] Bluetooth: SCO socket layer initialized
 [    9.736763] MARK:288 mmpcam_probe()
 [    9.737066] MARK:1852 mccic_register()
 [    9.740548] MARK:1860 mccic_register()
 [    9.970878] Bluetooth: vendor=0x2df, device=0x911a, class=255, fn=2
 [   10.070304] MARK:1868 mccic_register()
 [   10.163798] MARK:1780 find_sensor_from_dt()
 [   10.279079] Unable to handle kernel NULL pointer dereference at virtual
 address 00000024
 [   10.364888] pgd = ec4bc000
 [   10.391793] [00000024] *pgd=00000000
 [   10.395530] Internal error: Oops: 15 [#1] PREEMPT ARM
 [   10.400740] Modules linked in: btmrvl_sdio(+) btmrvl mwifiex_sdio
 mwifiex bluetooth joydev psmouse uinput mmp_camera(+) videobuf2_core
 videobuf2_dma_sg videobuf2_vmalloc videobuf2_memops zforce fb_sys_fops
 sysimgblt sysfillrect syscopyarea sisusbvga [last unloaded: udlfb]
 [   10.424626] CPU: 0    Not tainted  (3.5.7-01136-g5dffc07-dirty #23)
 [   10.430848] PC is at dev_get_drvdata+0x1c/0x2c
 [   10.430848] LR is at mccic_register+0x27c/0x690 [mmp_camera]
 [   10.440908] pc : [<c022bfe4>]    lr : [<bf04be3c>]    psr: 200f0113
 [   10.440908] sp : ec4e7cd8  ip : ec4e7ce8  fp : ec4e7ce4
 [   10.452295] r10: ec63c028  r9 : 00000024  r8 : bf04d724
 [   10.452295] r7 : ec63c41c  r6 : 60000002  r5 : 00000000  r4 : ec63c008
 [   10.463943] r3 : c05ffcd8  r2 : 200f0193  r1 : 00000001  r0 : 00000020
 [   10.463943] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM
 Segment user
 [   10.477486] Control: 10c5387d  Table: 2c4bc059  DAC: 00000015
 [   10.477486] Process systemd-udevd (pid: 268, stack limit = 0xec4e62f8)
 [   10.483182] Stack: (0xec4e7cd8 to 0xec4e8000)
 [   10.489652] 7cc0:
 ec4e7d74 ec4e7ce8
 [   10.502079] 7ce0: bf04be3c c022bfd4 200f0113 ffffffff 00000000 00000000
 00000000 00000000
 [   10.502079] 7d00: c0631298 00000017 ec4e7d74 ec4e7d18 00000000 00000000
 000296c2 ec63c000
 [   10.518311] 7d20: ec63c008 00000000 00000000 ec0c4600 00000024 ec63c430
 ec4e7d64 ec4e7d48
 [   10.526427] 7d40: c041178c c0022d68 bf04c94d ec63c000 ec63c008 00000000
 00000000 ec0c4600
 [   10.526427] 7d60: 00000024 ec63c430 ec4e7da4 ec4e7d78 bf0496c0 bf04bbcc
 c16d3e98 ec4e7d88
 [   10.542658] 7d80: ec0c4608 bf04d49c bf04d49c 00000000 00000001 0000001c
 ec4e7db4 ec4e7da8
 [   10.542658] 7da0: c022dea0 bf049440 ec4e7ddc ec4e7db8 c022c8ac c022de88
 c022e664 c02e6408
 [   10.550774] 7dc0: c022e63c ec0c4608 ec0c463c bf04d49c ec4e7dfc ec4e7de0
 c022cb10 c022c760
 [   10.567006] 7de0: 00020000 bf04d49c ec4e7e00 c022caa0 ec4e7e24 ec4e7e00
 c022ac6c c022caac
 [   10.567006] 7e00: ec04330c ec0bc370 bf04d49c ec55d740 c0611f90 00000000
 ec4e7e34 ec4e7e28
 [   10.583237] 7e20: c022c254 c022ac18 ec4e7e64 ec4e7e38 c022bd50 c022c238
 bf04ca9c 00000000
 [   10.583237] 7e40: bf04d49c bf050000 00000000 ec591c40 00000001 0000001c
 ec4e7e8c ec4e7e68
 [   10.591353] 7e60: c022d0c0 c022bc88 bf04d7a8 bf050000 00000000 ec591c40
 00000001 0000001c
 [   10.599467] 7e80: ec4e7e9c ec4e7e90 c022e1bc c022d020 ec4e7eac ec4e7ea0
 bf050024 c022e174
 [   10.607576] 7ea0: ec4e7ee4 ec4e7eb0 c0008664 bf05000c bf04d7a8 00000001
 bf04d7f0 ec591c40
 [   10.615691] 7ec0: bf04d7a8 00000001 bf04d7f0 ec591c40 00000001 00000024
 ec4e7fa4 ec4e7ee8
 [   10.623806] 7ee0: c0066bd4 c00085d0 bf04d7b4 00007fff c01e23b4 00000000
 ec4e7f44 00000124
 [   10.631914] 7f00: c0063da4 00000000 f026b9f0 f026b9c8 00000166 b6ed0db0
 bf04d8fc c041cba4
 [   10.648145] 7f20: f0228000 00059eca f026b1f8 f026b006 f02810b8 00004930
 000052e0 bf04d790
 [   10.656260] 7f40: 00000001 00000032 00000033 0000001a 00000000 0000000f
 00000000 00000000
 [   10.664375] 7f60: 00000000 00000000 00000000 00000000 00000000 c00d37f4
 00000002 b6f8e230
 [   10.672483] 7f80: 00020000 b6f9c7f0 00000080 c000eba8 ec4e6000 00020000
 00000000 ec4e7fa8
 [   10.672483] 7fa0: c000e940 c0065410 b6f8e230 00020000 b6b5f000 00059eca
 b6ed0db0 b6f9c7f0
 [   10.680600] 7fc0: b6f8e230 00020000 b6f9c7f0 00000080 b6fadfc8 00059eca
 b6ed0db0 00000000
 [   10.696830] 7fe0: b6eda154 be9c9d80 b6ec7c94 b6e0ffd0 600f0010 b6b5f000
 00000000 00000000
 [   10.696830] [<c022bfe4>] (dev_get_drvdata+0x1c/0x2c) from [<bf04be3c>]
 (mccic_register+0x27c/0x690 [mmp_camera])
 [   10.715081] [<bf04be3c>] (mccic_register+0x27c/0x690 [mmp_camera]) from
 [<bf0496c0>] (mmpcam_probe+0x28c/0x3b0 [mmp_camera])
 [   10.715081] [<bf0496c0>] (mmpcam_probe+0x28c/0x3b0 [mmp_camera]) from
 [<c022dea0>] (platform_drv_probe+0x24/0x28)
 [   10.736404] [<c022dea0>] (platform_drv_probe+0x24/0x28) from
 [<c022c8ac>] (driver_probe_device+0x158/0x34c)
 [   10.736404] [<c022c8ac>] (driver_probe_device+0x158/0x34c) from
 [<c022cb10>] (__driver_attach+0x70/0x94)
 [   10.746070] [<c022cb10>] (__driver_attach+0x70/0x94) from [<c022ac6c>]
 (bus_for_each_dev+0x60/0x90)
 [   10.755478] [<c022ac6c>] (bus_for_each_dev+0x60/0x90) from [<c022c254>]
 (driver_attach+0x28/0x30)
 [   10.773258] [<c022c254>] (driver_attach+0x28/0x30) from [<c022bd50>]
 (bus_add_driver+0xd4/0x258)
 [   10.781978] [<c022bd50>] (bus_add_driver+0xd4/0x258) from [<c022d0c0>]
 (driver_register+0xac/0x138)
 [   10.781978] [<c022d0c0>] (driver_register+0xac/0x138) from [<c022e1bc>]
 (platform_driver_register+0x54/0x68)
 [   10.800715] [<c022e1bc>] (platform_driver_register+0x54/0x68) from
 [<bf050024>] (mmpcam_init_module+0x24/0x34 [mmp_camera])
 [   10.811768] [<bf050024>] (mmpcam_init_module+0x24/0x34 [mmp_camera])
 from [<c0008664>] (do_one_initcall+0xa0/0x164)
 [   10.811768] [<c0008664>] (do_one_initcall+0xa0/0x164) from [<c0066bd4>]
 (sys_init_module+0x17d0/0x1a1c)
 [   10.831463] [<c0066bd4>] (sys_init_module+0x17d0/0x1a1c) from
 [<c000e940>] (ret_fast_syscall+0x0/0x30)
 [   10.831463] Code: e92d4000 e8bd4000 e3500000 089da800 (e5900004)
 [   11.017350] mousedev: PS/2 mouse device common for all mice
 [   11.350082] ---[ end trace 34af6a4ada2e3dd2 ]---
 [   11.653288] fuse init (API version 7.19)
 [   12.716451] mwifiex_sdio mmc0:0001:1: WLAN FW already running! Skip FW
 dnld
 [   12.723468] mwifiex_sdio mmc0:0001:1: WLAN FW is active
 [   12.814110] mwifiex_sdio mmc0:0001:1: driver_version = mwifiex 1.0
 (14.66.9.p96)
 [   12.847127] systemd-udevd[258]: renamed network interface mlan0 to eth0
 }}}

-- 
Ticket URL: <http://dev.laptop.org/ticket/12465#comment:1>
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