#12697 NORM 4-softw: XO-4: oops in mwifiex_close/cfg80211_scan_done
Zarro Boogs per Child
bugtracker at laptop.org
Mon Jun 10 12:38:12 EDT 2013
#12697: XO-4: oops in mwifiex_close/cfg80211_scan_done
--------------------------------+-------------------------------------------
Reporter: pgf | Owner: shep
Type: defect | Status: new
Priority: normal | Milestone: 4-software
Component: wireless | Version: Development build as of this date
Resolution: | Keywords:
Next_action: diagnose | Verified: 0
Deployment_affected: | Blockedby:
Blocking: |
--------------------------------+-------------------------------------------
Comment(by pgf):
easily reproduced. runin running on os8, ran
{{{
while sleep 2
do
iwlist scan | grep ESSID
done
}}}
and got
{{{
bash-4.2# while sleep 2; do iwlist scan | grep ESSID; done
lo Interface doesn't support scanning.
eth0 Failed to read scan data : Network is down
lo Interface doesn't support scanning.[ 4895.042287] mwifiex_sdio
mmc0:0001:1: cmd: Scan already in process..
eth0 Interface doesn't support scanning : Device or resource busy
lo Interface doesn't support scanning.[ 4897.068410] mwifiex_sdio
mmc0:0001:1: cmd: Scan already in process..
eth0 Interface doesn't support scanning : Device or resource busy
[ 4897.203747] mwifiex_sdio mmc0:0001:1: cmd: Scan already in process..
lo Interface doesn't support scanning.[ 4899.113727] mwifiex_sdio
mmc0:0001:1: cmd: Scan already in process..
eth0 Interface doesn't support scanning : Device or resource busy
lo Interface doesn't support scanning.[ 4901.253900] mwifiex_sdio
mmc0:0001:1: cmd: Scan already in process..
eth0 Interface doesn't support scanning : Device or resource busy
lo Interface doesn't support scanning.[ 4903.295606] mwifiex_sdio
mmc0:0001:1: cmd: Scan already in process..
eth0 Interface doesn't support scanning : Device or resource busy
lo Interface doesn't support scanning.[ 4905.338799] mwifiex_sdio
mmc0:0001:1: cmd: Scan already in process..
eth0 Interface doesn't support scanning : Device or resource busy
< hit ctrl-C here >
bash-4.2# [ 4907.641015] Unable to handle kernel paging request at virtual
address ffffffd0
[ 4907.689828] pgd = c3718000
[ 4907.693572] [ffffffd0] *pgd=2f77d821, *pte=00000000, *ppte=00000000
[ 4907.734019] Internal error: Oops: 17 [#1] PREEMPT ARM
[ 4907.739228] Modules linked in: btmrvl_sdio fb_sys_fops btmrvl sysimgblt
mousedev sysfillrect syscopyarea joydev mwifiex_sdio bluetooth mwifiex
mmp_camera videobuf2_core videobuf2_dma_sg psmouse zforce
videobuf2_vmalloc videobuf2_memops ov7670 [last unloaded: udlfb]
[ 4907.739228] CPU: 0 Not tainted (3.5.7-01272-g9e825d9 #221)
[ 4907.768301] PC is at cfg80211_scan_done+0x28/0x70
[ 4907.768301] LR is at mwifiex_close+0x58/0x70 [mwifiex]
[ 4907.778087] pc : [<c0431630>] lr : [<bf042734>] psr: 200f0013
[ 4907.778087] sp : c244bdd0 ip : c244bde8 fp : c244bde4
[ 4907.778087] r10: ec433cc0 r9 : 00000000 r8 : ec433ccc
[ 4907.789473] r7 : 00000001 r6 : 00001003 r5 : 00000001 r4 : ec4339c0
[ 4907.794652] r3 : 00000034 r2 : 00000200 r1 : 00000001 r0 : ec4339c0
[ 4907.807593] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM
Segment user
[ 4907.807593] Control: 10c5387d Table: 03718059 DAC: 00000015
[ 4907.814666] Process ifconfig (pid: 14700, stack limit = 0xc244a2f8)
[ 4907.820361] Stack: (0xc244bdd0 to 0xc244c000)
[ 4907.830891] bdc0: ec75c000 000012a4
c244bdfc c244bde8
[ 4907.830891] bde0: bf042734 c0431614 c244be18 ec716000 c244be14 c244be00
c0375730 bf0426e8
[ 4907.847115] be00: ec716000 00001042 c244be2c c244be18 c0375798 c037569c
ec716084 ec716084
[ 4907.847115] be20: c244be4c c244be30 c03792fc c037576c ec716000 00001003
ec716000 00008914
[ 4907.855232] be40: c244be6c c244be50 c0379414 c037926c 00008914 00000000
00000001 ec716000
[ 4907.863347] be60: c244becc c244be70 c03cf590 c0379400 30687465 00000000
00000000 bec809ac
[ 4907.871462] be80: 30687465 00000000 00000000 00000000 00001042 00000000
b6fec03c bec80dcb
[ 4907.879569] bea0: c244bec0 00008914 bec809ac c3fc4dc0 00000004 c000eba8
c244a000 00020000
[ 4907.895794] bec0: c244bee4 c244bed0 c03d02c0 c03cf2cc da25f3c0 00008914
c244bf04 c244bee8
[ 4907.903909] bee0: c03636f4 c03d01f4 c03634cc bec809ac da25f3e0 c3fc4dc0
c244bf7c c244bf08
[ 4907.903909] bf00: c00f271c c03634d8 00000005 da250c80 c244bf6c c004ce3c
c244bf64 c0082b08
[ 4907.912024] bf20: c244bf3c c244bf30 c0082b08 c0082a1c c244bf54 c244bf40
c0082b4c c0082ab4
[ 4907.920140] bf40: ec92e4c0 ec72b640 c244bf64 c244bf58 c004cbc4 c0082b1c
c3fc4dc0 bec809ac
[ 4907.936363] bf60: 00008914 00000004 c000eba8 c244a000 c244bfa4 c244bf80
c00f27d8 c00f21a4
[ 4907.936363] bf80: 00000021 00000000 b6febdd8 b6fd1eb8 bec80a8c 00000036
00000000 c244bfa8
[ 4907.944477] bfa0: c000e940 c00f279c b6febdd8 b6fd1eb8 00000004 00008914
bec809ac 00001043
[ 4907.952585] bfc0: b6febdd8 b6fd1eb8 bec80a8c 00000036 00001042 00000000
b6febdd8 00000000
[ 4907.968809] bfe0: b6febe54 bec8099c b6fd78c0 b6eddd5c 600b0010 00000004
e5930000 e3500000
[ 4907.968809] [<c0431630>] (cfg80211_scan_done+0x28/0x70) from
[<bf042734>] (mwifiex_close+0x58/0x70 [mwifiex])
[ 4907.976940] [<bf042734>] (mwifiex_close+0x58/0x70 [mwifiex]) from
[<c0375730>] (__dev_close_many+0xa0/0xd0)
[ 4907.996467] [<c0375730>] (__dev_close_many+0xa0/0xd0) from [<c0375798>]
(__dev_close+0x38/0x50)
[ 4907.996467] [<c0375798>] (__dev_close+0x38/0x50) from [<c03792fc>]
(__dev_change_flags+0x9c/0x128)
[ 4908.005098] [<c03792fc>] (__dev_change_flags+0x9c/0x128) from
[<c0379414>] (dev_change_flags+0x20/0x54)
[ 4908.023316] [<c0379414>] (dev_change_flags+0x20/0x54) from [<c03cf590>]
(devinet_ioctl+0x2d0/0x68c)
[ 4908.023316] [<c03cf590>] (devinet_ioctl+0x2d0/0x68c) from [<c03d02c0>]
(inet_ioctl+0xd8/0x10c)
[ 4908.032290] [<c03d02c0>] (inet_ioctl+0xd8/0x10c) from [<c03636f4>]
(sock_ioctl+0x228/0x278)
[ 4908.040838] [<c03636f4>] (sock_ioctl+0x228/0x278) from [<c00f271c>]
(do_vfs_ioctl+0x584/0x5f8)
[ 4908.049128] [<c00f271c>] (do_vfs_ioctl+0x584/0x5f8) from [<c00f27d8>]
(sys_ioctl+0x48/0x6c)
[ 4908.057670] [<c00f27d8>] (sys_ioctl+0x48/0x6c) from [<c000e940>]
(ret_fast_syscall+0x0/0x30)
[ 4908.065960] Code: e1a04000 e1a05001 e3530000 0a00000b (e5133064)
[ 4910.522211] ---[ end trace 69cd03ca74bc0348 ]---
bash-4.2#
}}}
--
Ticket URL: <http://dev.laptop.org/ticket/12697#comment:2>
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