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Opened 7 years ago

Last modified 4 years ago

#9182 new defect

gspca webcam causes a kernel fault

Reported by: tuzzo83@… Owned by: developers
Priority: normal Milestone: Barrier Breaker 14.07
Component: kernel Version: Trunk
Keywords: Cc:

Description

My webcam is a Logitech quickcam E2500. It used to work on backfire with the module gspca_zc3xx. The same module on trunk r25479 causes this upon webcam insertion:

# uname -a
Linux dockstar 2.6.37.4 #3 Sat Apr 2 22:21:49 CEST 2011 armv5tel GNU/Linux
gspca: v2.10.0 registered
gspca: probing 046d:089d
zc3xx: Sensor MC501CB
kernel BUG at arch/arm/mm/dma-mapping.c:425!
Unable to handle kernel NULL pointer dereference at virtual address 00000000
pgd = c7b7c000
[00000000] *pgd=07b43031, *pte=00000000, *ppte=00000000
Internal error: Oops: 817 [#1]
last sysfs file: /sys/kernel/uevent_seqnum
Modules linked in: gspca_zc3xx(+) gspca_main pl2303 v4l2_common videodev
 v4l1_compat usbserial i2c_dev i2c_core ipt_REJECT xt_TCPMSS ipt_LOG xt_comment
 xt_multiport xt_mac xt_limit iptable_mangle iptable_filter ip_tables xt_tcpudp x_tables 
crc_ccitt input_core
CPU: 0    Not tainted  (2.6.37.4 #3)
pc : [<c0025fec>]    lr : [<c00328f4>]    psr: 60000013
sp : c7b75ba8  ip : c7b75ac8  fp : c7b75bb4
r10: 00000000  r9 : 000000c0  r8 : 000001f4
r7 : 00000010  r6 : 00000002  r5 : 00000001  r4 : 00000000
r3 : 00000000  r2 : c02b0aa0  r1 : 00000007  r0 : 00000033
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 0005317f  Table: 07b7c000  DAC: 00000015
Process insmod (pid: 1570, stack limit = 0xc7b74270)
Stack: (0xc7b75ba8 to 0xc7b76000)
5ba0:                   c7b75bd4 c7b75bb8 c00279f0 c0025fd8 00000000 40000000
5bc0: c7965320 c7955800 c7b75c1c c7b75bd8 c019fd00 c00279b4 00000000 c7965320
5be0: c01a0d40 00000000 c7b75c0c c7b75bf8 c01a0d6c 00000000 00000001 00000000
5c00: c7b75c94 000001f4 000000c0 00000000 c7b75c44 c7b75c20 c01a09b4 c019f634
5c20: c7965320 c7b75c48 00000000 c7b75c94 000001f4 00000000 c7b75c7c c7b75c48
5c40: c01a173c c01a075c 00000000 c7b75c4c c7b75c4c c7965320 c7b75c7c 00000000
5c60: c7b72d60 00000000 00000000 00000001 c7b75cc4 c7b75c80 c01a19b8 c01a1704
5c80: c02cd6b8 80000480 c7966800 000000a1 c7b816d0 c7966800 00000000 00000000
5ca0: c7b81000 c79433a0 00000000 bf0ae068 bf0bc614 c7966800 c7b75cf4 c7b75cc8
5cc0: bf0b4290 c01a18e4 00000001 00000010 00000000 00000001 000001f4 00000010
5ce0: c7b81000 00000010 c7b75d0c c7b75cf8 bf0b42d8 bf0b4238 c7b81000 ffffffff
5d00: c7b75d2c c7b75d10 bf0b627c bf0b42d4 bf0b5cfc bf0b65f8 c7b81000 c79433a0
5d20: c7b75d54 c7b75d30 bf0acf58 bf0b5d0c c7966800 c79433c0 c7966800 bf0bc59c
5d40: bf0bbca4 00000000 c7b75d74 c7b75d58 bf0ad15c bf0acda8 bf0bc608 bf0bbca4
5d60: c79433a0 c79433a0 c7b75d8c c7b75d78 bf0b4218 bf0ad0f8 bf0bc608 c79433c0
5d80: c7b75db4 c7b75d90 c01a38d4 bf0b4204 c01a3800 c79433c0 c02cf8c8 bf0bc5cc
5da0: bf0bc5cc c7b2da80 c7b75dd4 c7b75db8 c0171f44 c01a3810 c79433c0 bf0bc5cc
5dc0: c79433f4 bf0bc5cc c7b75df4 c7b75dd8 c0172068 c0171e84 c0172000 00000000
5de0: c0172000 bf0bc5cc c7b75e1c c7b75df8 c0171140 c0172010 c78365f8 c7962330
5e00: c0139838 bf0bc608 bf0bc5cc c02bb3f4 c7b75e2c c7b75e20 c0171c08 c01710fc
5e20: c7b75e5c c7b75e30 c0171838 c0171bf8 bf0bc590 c7b75e40 bf0bc608 bf0bc59c
5e40: bf0bc5cc bf0bc5cc c02bb3f4 c0256cc0 c7b75e84 c7b75e60 c01722cc c01717a0
5e60: bf0bc608 bf0bc59c bf0bc580 bf0bc5cc c02bb3f4 c0256cc0 c7b75eac c7b75e88
5e80: c01a3158 c0172228 00000000 c02c3d40 c7b74000 bf0bc6e8 00000000 bf0bf000
5ea0: c7b75ebc c7b75eb0 bf0bf01c c01a30fc c7b75efc c7b75ec0 c0022468 bf0bf010
5ec0: c7b75eec bf0bc650 bf0bc608 bf0bc6e8 00000000 00000000 c7b75efc 00000000
5ee0: bf0bc608 bf0bc6e8 00000000 00000000 c7b75fa4 c7b75f00 c005b5e8 c00223ac
5f00: bf0bc614 c7b75f10 00635028 00635028 c0256cd4 bf0bc6f0 c79b9960 c9141000
5f20: 0000aec4 c914a280 c914a1af c914ad90 c7abc4a0 00000000 00000000 00000000
5f40: 00000000 00000016 00000017 00000010 00000000 00000009 00000000 00000000
5f60: 00000000 00000000 00000000 00000000 00000000 00000007 00638078 00638078
5f80: 00635028 400e4008 00000080 c0023044 c7b74000 00000000 00000000 c7b75fa8
5fa0: c0022ec0 c005a6d0 00638078 00635028 400e4008 0000aec4 00635028 00000000
5fc0: 00638078 00635028 400e4008 00000080 00000000 00000000 400b4f7c 00000000
5fe0: 40109ca8 bee699a4 000126d8 40109cb8 20000010 400e4008 00000000 00000000
Backtrace: 
Function entered at [<c0025fc8>] from [<c00279f0>]
Function entered at [<c00279a4>] from [<c019fd00>]
 r6:c7955800 r5:c7965320 r4:40000000 r3:00000000
Function entered at [<c019f624>] from [<c01a09b4>]
Function entered at [<c01a074c>] from [<c01a173c>]
Function entered at [<c01a16f4>] from [<c01a19b8>]
 r8:00000001 r7:00000000 r6:00000000 r5:c7b72d60 r4:00000000
Function entered at [<c01a18d4>] from [<bf0b4290>]
Function entered at [<bf0b4228>] from [<bf0b42d8>]
 r5:00000010 r4:c7b81000
Function entered at [<bf0b42c4>] from [<bf0b627c>]
 r5:ffffffff r4:c7b81000
Function entered at [<bf0b5cfc>] from [<bf0acf58>]
 r6:c79433a0 r5:c7b81000 r4:bf0b65f8 r3:bf0b5cfc
Function entered at [<bf0acd98>] from [<bf0ad15c>]
Function entered at [<bf0ad0e8>] from [<bf0b4218>]
 r4:c79433a0
Function entered at [<bf0b41f4>] from [<c01a38d4>]
Function entered at [<c01a3800>] from [<c0171f44>]
 r8:c7b2da80 r7:bf0bc5cc r6:bf0bc5cc r5:c02cf8c8 r4:c79433c0
r3:c01a3800
Function entered at [<c0171e74>] from [<c0172068>]
 r7:bf0bc5cc r6:c79433f4 r5:bf0bc5cc r4:c79433c0
Function entered at [<c0172000>] from [<c0171140>]
 r6:bf0bc5cc r5:c0172000 r4:00000000 r3:c0172000
Function entered at [<c01710ec>] from [<c0171c08>]
 r6:c02bb3f4 r5:bf0bc5cc r4:bf0bc608
Function entered at [<c0171be8>] from [<c0171838>]
Function entered at [<c0171790>] from [<c01722cc>]
Function entered at [<c0172218>] from [<c01a3158>]
Function entered at [<c01a30ec>] from [<bf0bf01c>]
 r8:bf0bf000 r7:00000000 r6:bf0bc6e8 r5:c7b74000 r4:c02c3d40
r3:00000000
Function entered at [<bf0bf000>] from [<c0022468>]
Function entered at [<c002239c>] from [<c005b5e8>]
 r8:00000000 r7:00000000 r6:bf0bc6e8 r5:bf0bc608 r4:00000000
Function entered at [<c005a6c0>] from [<c0022ec0>]
Code: e59f0010 e1a01003 eb08b6e5 e3a03000 (e5833000) 
---[ end trace 2b99a2ec8d077810 ]---

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Change History (2)

comment:1 Changed 7 years ago by tuzzo83@…

Actually revision is 26400 and not 25479.

comment:2 Changed 4 years ago by jow

  • Milestone changed from Attitude Adjustment 12.09 to Barrier Breaker 14.07

Milestone Attitude Adjustment 12.09 deleted

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