#12697 NORM Not Tri: XO-4: oops in mwifiex_close/cfg80211_scan_done

Zarro Boogs per Child bugtracker at laptop.org
Sat Jun 8 08:13:25 EDT 2013


#12697: XO-4: oops in mwifiex_close/cfg80211_scan_done
--------------------------+-------------------------------------------------
 Reporter:  pgf           |                 Owner:               
     Type:  defect        |                Status:  new          
 Priority:  normal        |             Milestone:  Not Triaged  
Component:  not assigned  |               Version:  not specified
 Keywords:                |           Next_action:  diagnose     
 Verified:  0             |   Deployment_affected:               
Blockedby:                |              Blocking:               
--------------------------+-------------------------------------------------
 running runin, with os8.  the kernel is e7f43ff, plus two DCON fixes i've
 been carrying in my tree for a while.  (i.e., this is a kernel i built,
 not the rpm -- i will preserve the kernel and modules.)

 runin had been running, with "soiled" and "force", for over 12 hours.

 at the console, i ran iwconfig, and "iwlist scan", which reported the
 network down.  a few seconds later the kernel reported "scan already in
 progress", and then oopsed.

 i'll include the last few s/r cycles, and everything i typed, for
 completeness:
 {{{
 [38584.027524] PM: Syncing filesystems ... done.
 [38584.038872] Freezing user space processes ... (elapsed 0.47 seconds)
 done.
 [38584.520558] Freezing remaining freezable tasks ... (elapsed 0.01
 seconds) done.
 [38584.540559] Suspending console(s) (use no_console_suspend to debug)
 [38584.550782] dcon_source_switch to DCON
 [38584.587192] olpc-dcon: The DCON has control
 [38584.740540] mmp3_usb_phy_deinit_internal: Deinit usb phy!!!
 [38584.780542] mmc2: dropping power over suspend
 [38584.780620] mmc1: dropping power over suspend
 [38584.901288] mmc0: card 0001 removed
 [38584.901386] mmc0: dropping power over suspend
 [38584.902466] [galcore] enter gpu_suspend
 [38584.902466] [galcore] exit gpu_suspend, return 0
 [38584.902565] PM: suspend of devices complete after 359.404 msecs
 [38584.902771] PM: late suspend of devices complete after 0.002 msecs
 [38584.903041] PM: noirq suspend of devices complete after 0.001 msecs
 [38584.903162] mmp3_pm_enter_d2
 [38584.903175] before suspend
 [38584.904565] after resume
 [38584.905340] PM: noirq resume of devices complete after 0.001 msecs
 [38584.905567] PM: early resume of devices complete after 0.012 msecs
 [38584.905800] [galcore] enter gpu_resume
 [38584.910719] [galcore] exit gpu_resume, return 0
 [38584.942084] mmc0: done resetting wlan
 [38585.082082] mmp3_usb_phy_init_internal: Init usb phy!!!
 [38585.312083] usb 1-1: reset high-speed USB device number 2 using pxau2o-
 ehci
 [38585.762345] usb 1-1.3: reset high-speed USB device number 3 using
 pxau2o-ehci
 [38586.132864] dcon_source_switch to CPU
 [38586.190103] olpc-dcon: The CPU has control
 [38586.224984] PM: resume of devices complete after 1319.417 msecs
 [38586.346488] Restarting tasks ... [38586.429761] sd 0:0:0:0: [sda] No
 Caching mode page present
 [38586.440365] sd 0:0:0:0: [sda] Assuming drive cache: write through
 [38586.450803] sd 0:0:0:0: [sda] No Caching mode page present
 done.
 [38586.465453] sd 0:0:0:0: [sda] Assuming drive cache: write through
 [38586.494810]  sda: sda1
 [38586.541518] mmc0: new high speed SDIO card at address 0001
 [38586.562187] Bluetooth: vendor=0x2df, device=0x911a, class=255, fn=2
 [38587.662687] mwifiex_sdio mmc0:0001:1: WLAN FW already running! Skip FW
 dnld
 [38587.675912] mwifiex_sdio mmc0:0001:1: WLAN FW is active
 [38587.779741] mwifiex_sdio mmc0:0001:1: driver_version = mwifiex 1.0
 (14.66.9.p96)
 [38588.033068] systemd-udevd[15712]: renamed network interface mlan0 to
 eth0
 [39789.269562] PM: Syncing filesystems ... done.
 [39789.278279] Freezing user space processes ... (elapsed 0.31 seconds)
 done.
 [39789.604541] Freezing remaining freezable tasks ... (elapsed 0.01
 seconds) done.
 [39789.622211] Suspending console(s) (use no_console_suspend to debug)
 [39789.632362] dcon_source_switch to DCON
 [39789.670000] olpc-dcon: The DCON has control
 [39789.822083] mmp3_usb_phy_deinit_internal: Deinit usb phy!!!
 [39789.862082] mmc2: dropping power over suspend
 [39789.863178] mmc1: dropping power over suspend
 [39789.982827] mmc0: card 0001 removed
 [39789.982926] mmc0: dropping power over suspend
 [39789.984006] [galcore] enter gpu_suspend
 [39789.984006] [galcore] exit gpu_suspend, return 0
 [39789.984104] PM: suspend of devices complete after 353.070 msecs
 [39789.984309] PM: late suspend of devices complete after 0.002 msecs
 [39789.984585] PM: noirq suspend of devices complete after 0.001 msecs
 [39789.984682] mmp3_pm_enter_d2
 [39789.984702] before suspend
 [39789.984715] after resume
 [39789.986880] PM: noirq resume of devices complete after 0.736 msecs
 [39789.987107] PM: early resume of devices complete after 0.101 msecs
 [39789.987240] [galcore] enter gpu_resume
 [39789.992221] [galcore] exit gpu_resume, return 0
 [39790.023545] mmc0: done resetting wlan
 [39790.163539] mmp3_usb_phy_init_internal: Init usb phy!!!
 [39790.393535] usb 1-1: reset high-speed USB device number 2 using pxau2o-
 ehci
 [39790.843801] usb 1-1.3: reset high-speed USB device number 3 using
 pxau2o-ehci
 [39791.214334] dcon_source_switch to CPU
 [39791.261644] olpc-dcon: The CPU has control
 [39791.306310] PM: resume of devices complete after 1319.181 msecs
 [39791.427812] Restarting tasks ... done.
 [39791.532743] sd 0:0:0:0: [sda] No Caching mode page present
 [39791.543627] sd 0:0:0:0: [sda] Assuming drive cache: write through
 [39791.563025] sd 0:0:0:0: [sda] No Caching mode page present
 [39791.575000] sd 0:0:0:0: [sda] Assuming drive cache: write through
 [39791.594030]  sda: sda1
 [39791.605673] mmc0: new high speed SDIO card at address 0001
 [39791.624456] Bluetooth: vendor=0x2df, device=0x911a, class=255, fn=2
 [39792.693700] mwifiex_sdio mmc0:0001:1: WLAN FW already running! Skip FW
 dnld
 [39792.707434] mwifiex_sdio mmc0:0001:1: WLAN FW is active
 [39792.799367] mwifiex_sdio mmc0:0001:1: driver_version = mwifiex 1.0
 (14.66.9.p96)
 [39792.937149] systemd-udevd[10222]: renamed network interface mlan0 to
 eth0
 [40994.566905] PM: Syncing filesystems ... done.
 [40994.575966] Freezing user space processes ... (elapsed 1.01 seconds)
 done.
 [40995.593558] Freezing remaining freezable tasks ... (elapsed 0.01
 seconds) done.
 [40995.616164] Suspending console(s) (use no_console_suspend to debug)
 [40995.623724] dcon_source_switch to DCON
 [40995.656333] olpc-dcon: The DCON has control
 [40995.813536] mmp3_usb_phy_deinit_internal: Deinit usb phy!!!
 [40995.853539] mmc2: dropping power over suspend
 [40995.853607] mmc1: dropping power over suspend
 [40995.964385] mmc0: card 0001 removed
 [40995.964385] mmc0: dropping power over suspend
 [40995.965444] [galcore] enter gpu_suspend
 [40995.965464] [galcore] exit gpu_suspend, return 0
 [40995.965555] PM: suspend of devices complete after 349.317 msecs
 [40995.965767] PM: late suspend of devices complete after 0.203 msecs
 [40995.966043] PM: noirq suspend of devices complete after 0.265 msecs
 [40995.966139] mmp3_pm_enter_d2
 [40995.966160] before suspend
 [40995.967565] after resume
 [40995.968338] PM: noirq resume of devices complete after 0.105 msecs
 [40995.968561] PM: early resume of devices complete after 0.012 msecs
 [40995.968697] [galcore] enter gpu_resume
 [40995.973239] [galcore] exit gpu_resume, return 0
 [40996.005082] mmc0: done resetting wlan
 [40996.145081] mmp3_usb_phy_init_internal: Init usb phy!!!
 [40996.375131] usb 1-1: reset high-speed USB device number 2 using pxau2o-
 ehci
 [40996.825401] usb 1-1.3: reset high-speed USB device number 3 using
 pxau2o-ehci
 [40997.195860] dcon_source_switch to CPU
 [40997.242029] olpc-dcon: The CPU has control
 [40997.287983] PM: resume of devices complete after 1319.415 msecs
 [40997.409520] Restarting tasks ... [40997.478379] sd 0:0:0:0: [sda] No
 Caching mode page present
 [40997.478401] sd 0:0:0:0: [sda] Assuming drive cache: write through
 [40997.509887] sd 0:0:0:0: [sda] No Caching mode page present
 done.
 [40997.524939] sd 0:0:0:0: [sda] Assuming drive cache: write through
 [40997.556573]  sda: sda1
 [40997.594583] mmc0: new high speed SDIO card at address 0001
 [40997.616344] Bluetooth: vendor=0x2df, device=0x911a, class=255, fn=2
 [40998.705264] mwifiex_sdio mmc0:0001:1: WLAN FW already running! Skip FW
 dnld
 [40998.721101] mwifiex_sdio mmc0:0001:1: WLAN FW is active
 [40998.828969] mwifiex_sdio mmc0:0001:1: driver_version = mwifiex 1.0
 (14.66.9.p96)
 [40999.130275] systemd-udevd[4542]: renamed network interface mlan0 to
 eth0
 [42200.428525] PM: Syncing filesystems ... done.
 [42200.440320] Freezing user space processes ... (elapsed 0.45 seconds)
 done.
 [42200.907104] Freezing remaining freezable tasks ... (elapsed 0.01
 seconds) done.
 [42200.927203] Suspending console(s) (use no_console_suspend to debug)
 [42200.935364] dcon_source_switch to DCON
 [42200.960450] olpc-dcon: The DCON has control
 [42201.115081] mmp3_usb_phy_deinit_internal: Deinit usb phy!!!
 [42201.155083] mmc2: dropping power over suspend
 [42201.156181] mmc1: dropping power over suspend
 [42201.275828] mmc0: card 0001 removed
 [42201.275926] mmc0: dropping power over suspend
 [42201.277006] [galcore] enter gpu_suspend
 [42201.277006] [galcore] exit gpu_suspend, return 0
 [42201.277105] PM: suspend of devices complete after 342.817 msecs
 [42201.277317] PM: late suspend of devices complete after 0.001 msecs
 [42201.277583] PM: noirq suspend of devices complete after 0.001 msecs
 [42201.277684] mmp3_pm_enter_d2
 [42201.277705] before suspend
 [42201.277718] after resume
 [42201.279883] PM: noirq resume of devices complete after 0.106 msecs
 [42201.280105] PM: early resume of devices complete after 0.012 msecs
 [42201.280242] [galcore] enter gpu_resume
 [42201.284862] [galcore] exit gpu_resume, return 0
 [42201.316624] mmc0: done resetting wlan
 [42201.456625] mmp3_usb_phy_init_internal: Init usb phy!!!
 [42201.686672] usb 1-1: reset high-speed USB device number 2 using pxau2o-
 ehci
 [42202.136946] usb 1-1.3: reset high-speed USB device number 3 using
 pxau2o-ehci
 [42202.507401] dcon_source_switch to CPU
 [42202.559412] olpc-dcon: The CPU has control
 [42202.599538] PM: resume of devices complete after 1319.416 msecs
 [42202.721009] Restarting tasks ... [42202.795436] sd 0:0:0:0: [sda] No
 Caching mode page present
 [42202.813052] sd 0:0:0:0: [sda] Assuming drive cache: write through
 [42202.828950] sd 0:0:0:0: [sda] No Caching mode page present
 [42202.834405] sd 0:0:0:0: [sda] Assuming drive cache: write through
 done.
 [42202.861476]  sda: sda1
 [42202.916012] mmc0: new high speed SDIO card at address 0001
 [42202.936231] Bluetooth: vendor=0x2df, device=0x911a, class=255, fn=2
 [42204.016835] mwifiex_sdio mmc0:0001:1: WLAN FW already running! Skip FW
 dnld
 [42204.032744] mwifiex_sdio mmc0:0001:1: WLAN FW is active
 [42204.121442] mwifiex_sdio mmc0:0001:1: driver_version = mwifiex 1.0
 (14.66.9.p96)
 [42204.289460] systemd-udevd[31477]: renamed network interface mlan0 to
 eth0

 bash-4.2#
 bash-4.2# [43405.704318] PM: Syncing filesystems ... done.
 [43405.713334] Freezing user space processes ... (elapsed 1.05 seconds)
 done.
 [43406.776661] Freezing remaining freezable tasks ... (elapsed 0.01
 seconds) done.
 [43406.799242] Suspending console(s) (use no_console_suspend to debug)
 [43406.806878] dcon_source_switch to DCON
 [43406.834723] olpc-dcon: The DCON has control
 [43406.986686] mmp3_usb_phy_deinit_internal: Deinit usb phy!!!
 [43407.026667] mmc2: dropping power over suspend
 [43407.026698] mmc1: dropping power over suspend
 [43407.147358] mmc0: card 0001 removed
 [43407.148512] mmc0: dropping power over suspend
 [43407.148512] [galcore] enter gpu_suspend
 [43407.148548] [galcore] exit gpu_suspend, return 0
 [43407.148628] PM: suspend of devices complete after 349.379 msecs
 [43407.148819] PM: late suspend of devices complete after 0.002 msecs
 [43407.149100] PM: noirq suspend of devices complete after 0.001 msecs
 [43407.149217] mmp3_pm_enter_d2
 [43407.149230] before suspend
 [43407.150634] after resume
 [43407.151408] PM: noirq resume of devices complete after 0.001 msecs
 [43407.151630] PM: early resume of devices complete after 0.088 msecs
 [43407.151767] [galcore] enter gpu_resume
 [43407.155939] [galcore] exit gpu_resume, return 0
 [43407.188192] mmc0: done resetting wlan
 [43407.328181] mmp3_usb_phy_init_internal: Init usb phy!!!
 [43407.558179] usb 1-1: reset high-speed USB device number 2 using pxau2o-
 ehci
 [43408.008500] usb 1-1.3: reset high-speed USB device number 3 using
 pxau2o-ehci
 [43408.378934] dcon_source_switch to CPU
 [43408.434060] olpc-dcon: The CPU has control
 [43408.471091] PM: resume of devices complete after 1319.439 msecs
 [43408.592605] Restarting tasks ... done.
 [43408.768494] mmc0: new high speed SDIO card at address 0001
 [43408.788636] Bluetooth: vendor=0x2df, device=0x911a, class=255, fn=2
 [43409.111922] sd 0:0:0:0: [sda] No Caching mode page present
 [43409.143414] sd 0:0:0:0: [sda] Assuming drive cache: write through
 [43409.202054] sd 0:0:0:0: [sda] No Caching mode page present
 [43409.236787] sd 0:0:0:0: [sda] Assuming drive cache: write through
 [43409.308268]  sda: sda1
 [43409.898483] mwifiex_sdio mmc0:0001:1: WLAN FW already running! Skip FW
 dnld
 [43409.915368] mwifiex_sdio mmc0:0001:1: WLAN FW is active
 [43410.018314] mwifiex_sdio mmc0:0001:1: driver_version = mwifiex 1.0
 (14.66.9.p96)
 [43410.269873] systemd-udevd[25968]: renamed network interface mlan0 to
 eth0

 bash-4.2# pwd
 /runin/logdir
 bash-4.2# ls
 Xorg.log           bluetooth.log  fscheck.log  mounts       sound.log
 accelerometer.log  camera.log     gtk.log      pwr.log      sus.log
 battery.log        cpu_temp.hist  kern.log     run.log      wlan.log
 bluetooth.hist     fail.log       memory.log   sdwrite.log
 bash-4.2# cat fail.log
 bash-4.2# cat bluetooth.hist
 34:BB:1F:2A:E5:50, 6
 00:05:4F:96:E1:93, 24
 00:21:E9:D6:CB:1A, 15429
 78:F5:FD:07:EC:A3, 17
 A0:6C:EC:A6:C2:B7, 7
 A8:92:2C:B6:44:C4, 561
 F0:D1:A9:7A:83:4E, 14
 00:0E:9F:AD:06:0E, 4
 00:05:4F:E6:70:AE, 5
 BC:20:A4:42:27:B6, 9
 F4:0B:93:FE:6E:6A, 42
 70:D4:F2:CB:91:A3, 46
 00:22:94:43:27:EA, 5
 bash-4.2# cat bluetooth.log
 Device is not available: No such device
 Inquiry failed: Interrupted system call
 Device is not available: No such device
 Inquiry failed: Interrupted system call
 Device is not available: No such device
 Inquiry failed: Interrupted system call
 Device is not available: No such device
 Device is not available: No such device
 Device is not available: No such device
 Device is not available: No such device
 Device is not available: No such device
 Device is not available: No such device
 Inquiry failed: Interrupted system call
 Device is not available: No such device
 Inquiry failed: Interrupted system call
 Inquiry failed: Interrupted system call
 Device is not available: No such device
 Inquiry failed: Interrupted system call
 Device is not available: No such device
 Device is not available: No such device
 Inquiry failed: Interrupted system call
 Device is not available: No such device
 Device is not available: No such device
 Device is not available: No such device
 Inquiry failed: Interrupted system call
 Device is not available: No such device
 Device is not available: No such device
 Device is not available: No such device
 Inquiry failed: Interrupted system call
 Device is not available: No such device
 Device is not available: No such device
 Device is not available: No such device
 Inquiry failed: Interrupted system call
 Device is not available: No such device
 Device is not available: No such device
 Device is not available: No such device
 Device is not available: No such device
 Inquiry failed: Interrupted system call
 Device is not available: No such device
 Inquiry failed: Interrupted system call
 Device is not available: No such device
 Inquiry failed: Interrupted system call
 Device is not available: No such device
 Inquiry failed: Interrupted system call
 Device is not available: No such device
 Device is not available: No such device
 Device is not available: No such device
 Inquiry failed: Interrupted system call
 Device is not available: No such device
 Device is not available: No such device
 Device is not available: No such device
 bash-4.2# ls
 Xorg.log           bluetooth.log  fscheck.log  mounts       sound.log
 accelerometer.log  camera.log     gtk.log      pwr.log      sus.log
 battery.log        cpu_temp.hist  kern.log     run.log      wlan.log
 bluetooth.hist     fail.log       memory.log   sdwrite.log
 bash-4.2# lsmod
 Module                  Size  Used by
 fb_sys_fops             1081  0
 sysimgblt               1761  0
 sysfillrect             2999  0
 syscopyarea             2645  0
 mousedev                9501  0
 joydev                  9067  0
 btmrvl_sdio            10606  0
 btmrvl                 14375  1 btmrvl_sdio
 mwifiex_sdio           18210  0
 bluetooth             234004  3 btmrvl,btmrvl_sdio
 mwifiex               152060  1 mwifiex_sdio
 psmouse                48687  0
 mmp_camera             22176  1
 videobuf2_core         19077  1 mmp_camera
 videobuf2_dma_sg        3225  1 mmp_camera
 zforce                 18355  0
 videobuf2_vmalloc       2583  1 mmp_camera
 videobuf2_memops        2313  2 videobuf2_vmalloc,videobuf2_dma_sg
 ov7670                  8915  1
 bash-4.2# iwconfig
 lo        no wireless extensions.

 eth0      IEEE 802.11abgn  ESSID:off/any
           Mode:Managed  Access Point: Not-Associated
           Retry  long limit:7   RTS thr:off   Fragment thr:off
           Encryption key:off
           Power Management:off

 bash-4.2# iwlist scan
 lo        Interface doesn't support scanning.

 eth0      Failed to read scan data : Network is down

 bash-4.2# [43470.312439] mwifiex_sdio mmc0:0001:1: cmd: Scan already in
 process..

 bash-4.2# cat sound.log
 bash-4.2# [43480.778573] Unable to handle kernel paging request at virtual
 address ffffffd0
 [43480.855133] pgd = c2948000
 [43480.886184] [ffffffd0] *pgd=2f77d821, *pte=00000000, *ppte=00000000
 [43480.929130] Internal error: Oops: 17 [#1] PREEMPT ARM
 [43480.934170] Modules linked in: fb_sys_fops sysimgblt sysfillrect
 syscopyarea mousedev joydev btmrvl_sdio btmrvl mwifiex_sdio bluetooth
 mwifiex psmouse mmp_camera videobuf2_core videobuf2_dma_sg zforce
 videobuf2_vmalloc videobuf2_memops ov7670 [last unloaded: udlfb]
 [43480.957441] CPU: 0    Not tainted  (3.5.7-01272-g9e825d9 #221)
 [43480.957441] PC is at cfg80211_scan_done+0x28/0x70
 [43480.963233] LR is at mwifiex_close+0x58/0x70 [mwifiex]
 [43480.967926] pc : [<c0431630>]    lr : [<bf08f734>]    psr: 200f0013
 [43480.967926] sp : c2649dd0  ip : c2649de8  fp : c2649de4
 [43480.973019] r10: ec55d5c0  r9 : 00000000  r8 : ec55d5cc
 [43480.989584] r7 : 00000001  r6 : 00001003  r5 : 00000001  r4 : c34bb840
 [43480.989584] r3 : 00000034  r2 : 00000200  r1 : 00000001  r0 : c34bb840
 [43481.002524] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM
 Segment user
 [43481.002524] Control: 10c5387d  Table: 02948059  DAC: 00000015
 [43481.009597] Process ifconfig (pid: 27663, stack limit = 0xc26482f8)
 [43481.021502] Stack: (0xc2649dd0 to 0xc264a000)
 [43481.025822] 9dc0:                                     c268c000 000012a4
 c2649dfc c2649de8
 [43481.025822] 9de0: bf08f734 c0431614 c2649e18 c1c48000 c2649e14 c2649e00
 c0375730 bf08f6e8
 [43481.033932] 9e00: c1c48000 00001042 c2649e2c c2649e18 c0375798 c037569c
 c1c48084 c1c48084
 [43481.042047] 9e20: c2649e4c c2649e30 c03792fc c037576c c1c48000 00001003
 c1c48000 00008914
 [43481.058278] 9e40: c2649e6c c2649e50 c0379414 c037926c 00008914 00000000
 00000001 c1c48000
 [43481.058278] 9e60: c2649ecc c2649e70 c03cf590 c0379400 30687465 00000000
 00000000 beac89ac
 [43481.066386] 9e80: 30687465 00000000 00000000 00000000 00001042 00000000
 b700303c beac8dcb
 [43481.074500] 9ea0: c2649ec0 00008914 beac89ac ec4da640 00000004 c000eba8
 c2648000 00020000
 [43481.082608] 9ec0: c2649ee4 c2649ed0 c03d02c0 c03cf2cc da26e3c0 00008914
 c2649f04 c2649ee8
 [43481.098831] 9ee0: c03636f4 c03d01f4 c03634cc beac89ac da26e3e0 ec4da640
 c2649f7c c2649f08
 [43481.106946] 9f00: c00f271c c03634d8 00000005 da26e240 c2649f6c c004ce3c
 c2649f64 c0082b08
 [43481.115062] 9f20: c2649f3c c2649f30 c0082b08 c0082a1c c2649f54 c2649f40
 c0082b4c c0082ab4
 [43481.115062] 9f40: ec0486c0 ec10c840 c2649f64 c2649f58 c004cbc4 c0082b1c
 ec4da640 beac89ac
 [43481.131294] 9f60: 00008914 00000004 c000eba8 c2648000 c2649fa4 c2649f80
 c00f27d8 c00f21a4
 [43481.131294] 9f80: 00000021 00000000 b7002dd8 b6fe8eb8 beac8a8c 00000036
 00000000 c2649fa8
 [43481.147526] 9fa0: c000e940 c00f279c b7002dd8 b6fe8eb8 00000004 00008914
 beac89ac 00001043
 [43481.147526] 9fc0: b7002dd8 b6fe8eb8 beac8a8c 00000036 00001042 00000000
 b7002dd8 00000000
 [43481.155641] 9fe0: b7002e54 beac899c b6fee8c0 b6ef4d5c 600b0010 00000004
 00000000 00000000
 [43481.171879] [<c0431630>] (cfg80211_scan_done+0x28/0x70) from
 [<bf08f734>] (mwifiex_close+0x58/0x70 [mwifiex])
 [43481.171879] [<bf08f734>] (mwifiex_close+0x58/0x70 [mwifiex]) from
 [<c0375730>] (__dev_close_many+0xa0/0xd0)
 [43481.181731] [<c0375730>] (__dev_close_many+0xa0/0xd0) from [<c0375798>]
 (__dev_close+0x38/0x50)
 [43481.200029] [<c0375798>] (__dev_close+0x38/0x50) from [<c03792fc>]
 (__dev_change_flags+0x9c/0x128)
 [43481.200029] [<c03792fc>] (__dev_change_flags+0x9c/0x128) from
 [<c0379414>] (dev_change_flags+0x20/0x54)
 [43481.208919] [<c0379414>] (dev_change_flags+0x20/0x54) from [<c03cf590>]
 (devinet_ioctl+0x2d0/0x68c)
 [43481.218249] [<c03cf590>] (devinet_ioctl+0x2d0/0x68c) from [<c03d02c0>]
 (inet_ioctl+0xd8/0x10c)
 [43481.227230] [<c03d02c0>] (inet_ioctl+0xd8/0x10c) from [<c03636f4>]
 (sock_ioctl+0x228/0x278)
 [43481.235778] [<c03636f4>] (sock_ioctl+0x228/0x278) from [<c00f271c>]
 (do_vfs_ioctl+0x584/0x5f8)
 [43481.244068] [<c00f271c>] (do_vfs_ioctl+0x584/0x5f8) from [<c00f27d8>]
 (sys_ioctl+0x48/0x6c)
 [43481.252609] [<c00f27d8>] (sys_ioctl+0x48/0x6c) from [<c000e940>]
 (ret_fast_syscall+0x0/0x30)
 [43481.260902] Code: e1a04000 e1a05001 e3530000 0a00000b (e5133064)
 [43483.995967] ---[ end trace 8d9d300ad4398b8b ]---

 }}}

-- 
Ticket URL: <http://dev.laptop.org/ticket/12697>
One Laptop Per Child <http://laptop.org/>
OLPC bug tracking system


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