dhclient wlan0 -> kernel Oops

gistfile1.txt

root@lophilo1:~# dhclient wlan0
rtl8192cu: MAC auto ON okay!
rtl8192cu: Tx queue select: 0x05
------------[ cut here ]------------
kernel BUG at /home/rngadam/lophilo/upstream/linux/arch/arm/include/asm/dma-mapping.h:321!
Internal error: Oops - BUG: 0 [#1] ARM
Modules linked in: rtl8192cu rtl8192c_common rtlwifi mac80211 cfg80211 nls_cp437 [last unloaded: cfg80211]
CPU: 0    Not tainted  (3.4.0-rc7+ #5)
PC is at usb_hcd_map_urb_for_dma+0x388/0x398
LR is at usb_hcd_map_urb_for_dma+0xac/0x398
pc : [<c01d50ac>]    lr : [<c01d4dd0>]    psr: 20000013
sp : c7a71908  ip : 000000ea  fp : 00000040
r10: 77b4e000  r9 : 77b4e980  r8 : 00000000
r7 : 00000001  r6 : c048db30  r5 : c78f4e00  r4 : c7bbbd60
r3 : ffdf4000  r2 : 00070000  r1 : c8000000  r0 : c7b4e9a0
Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 0005317f  Table: 77a60000  DAC: 00000015
Process ip (pid: 1677, stack limit = 0xc7a70270)
Stack: (0xc7a71908 to 0xc7a72000)
1900:                   00000020 c0462820 c048db20 c0463830 c7bbbd60 c78f4e00
1920: c033dcc4 00000010 00000032 00000000 00001000 c01d5834 00000000 c0590e60
1940: c0590e80 c7b4e9a0 c7b4ea0c 00000000 00100100 c7bbbd60 c7a71978 00000000
1960: c7a719ac 00000032 00000000 00001000 00000040 c01d808c 00000000 c7a7197c
1980: c7a7197c c7a18800 c01d7ba4 c7b4e980 00000005 000000ea 00000000 c01d82cc
19a0: 00000020 80000300 80000300 c7a71a1c 00000e6e 000000ea c7a18800 ffdf4000
19c0: 00000003 c89e2020 00000022 00001000 00000076 bf1704a4 00001000 00000000
19e0: ffdf4000 000000ea 00000032 c7a71a1c 00000e6e 77bf3000 c6c54ec0 c6c54ec0
1a00: 00001000 c89e2020 00000001 00000011 c89e2020 bf182fbc 00000000 00000001
1a20: c6c54ec0 00000002 00000003 c6c54280 c6c54ec0 c89e2020 00000e6e bf184660
1a40: c6c54ec0 c6c54280 c6c54ec0 c6c54ec0 c6c54ec0 c6c54ec0 c6c54280 c6c54ec0
1a60: c6c54ec0 c6c54ec0 00000005 00000010 00000008 bf1992ec 00000003 00000003
1a80: 00000003 00000000 00000001 00000001 00000003 00000002 00000000 80e70000
1aa0: c6c540e0 c6c54ec0 c6c54280 c6c54ecc c6c54280 00000000 00001e04 bf16af80
1ac0: bf14341c bf170608 00001e08 bf1705e8 c6c54280 c6c54ecc 00000001 00000000
1ae0: c0348c80 bf16af80 bf14341c bf16afd8 c7a04000 c6c54280 00000001 bf122030
1b00: c6c54868 c7a04000 bf14341c c0272cd0 00000001 00000000 00000000 c0272d7c
1b20: 00001002 c7a04000 00001003 c0272fa4 00000001 c7a04000 00001002 c7a04000
1b40: c7a71bc4 c02730dc c6d351f0 c7a71c88 c7a04000 c027eeb0 00000000 c7a60000
1b60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1b80: 00000000 00000000 00000000 c6d351e0 00000000 c7a04000 00000000 c7a71bb0
1ba0: c0348c80 00000000 c7a71cbc c027fd04 00000000 00000000 c6d35200 c6d351f0
1bc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1be0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1c00: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1c20: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1c40: 4fbc51a8 c0180eec 00000000 00000100 c7a08ce0 c7a08ce0 00000000 c78afd40
1c60: c7a71e20 c027e688 c0348b68 00000000 00000002 00000000 00000000 00000000
1c80: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 c0493b74
1ca0: 00000000 c6d351e0 c78afd40 00000000 00000000 00000020 00000000 c027f6c4
1cc0: 00000000 00000000 00000000 00000000 00000000 00000014 c6d351e0 c78afd40
1ce0: c027f574 c7a71d14 00000000 00000000 00000020 c028966c c78afd40 c79b0e00
1d00: c78afd40 c027eaec c7826400 c0289128 00000020 7fffffff c7a71ee8 00000000
1d20: c7a71e00 c79b0e00 c78afd40 00000020 00000000 c0289450 c0484290 00000002
1d40: 00000000 00000000 00000000 00000000 00000000 00000000 00000041 00000000
1d60: 00000000 c7a71f74 c7a71ee0 00000020 00000000 00000000 c7a71ee0 c025ebf0
1d80: 00000001 00000000 00000000 00000001 ffffffff 00000000 00000000 00000000
1da0: 00000000 00000000 c7b15ac0 000200da 00000000 00000000 c04600a8 00000001
1dc0: c7a71e00 000200da 00000000 c0059e78 00000001 00000041 c0484290 00000002
1de0: c7a71e20 c740d21c 00000002 000200da 00000000 c7ac1ac8 b6edb000 00000000
1e00: 00000200 c0598360 00075e66 00000020 c74c5200 c7a71f74 c7a71d40 c7a71f74
1e20: 00000001 c7a71ee0 c0009604 c7a71ee0 00000008 00000000 c7a71ee0 c0269744
1e40: c7a71f74 c7a70000 c74c5200 c025efb0 c7b32840 c7a71f20 c7a71f20 00000008
1e60: 00000010 00000000 00000000 c7a71f74 bedb4670 c025f8f0 bedb468c 00000000
1e80: 00000010 00000000 00000000 c7a60000 00000000 00048000 c7b32840 c7ac1808
1ea0: c7a60000 00000029 c7b32874 c006e184 c7a60000 00000029 0000081f c7a70000
1ec0: c7b32840 c7a71fb0 000000e6 0000081f c7a70000 c000f7b0 c0009604 c7ac1808
1ee0: bedb4728 00000000 0006a000 0000081f c0463934 00048648 c7a71fb0 0000000c
1f00: bedb4e4c 00000010 00000000 c00085dc c7a70000 00049000 c7b32840 00000021
1f20: 00100077 00100077 00000049 0006a000 0006a000 c0071578 00100077 00000000
1f40: 00000000 c74c5200 00000000 bedb46a0 00000128 c0009604 c7a70000 00000000
1f60: 00000000 c026091c 00000000 c7b32840 0006a000 c7a71e60 0000000c c7a71ee0
1f80: 00000001 00000000 00000000 00000000 00000000 fffffff7 00000000 bedb4e40
1fa0: 00000000 c0009480 00000000 bedb4e40 00000003 bedb46a0 00000000 00000005
1fc0: 00000000 bedb4e40 00000000 00000128 00045500 4fbc51a9 00000010 00000000
1fe0: 00000000 bedb0698 0002ef48 b6f36e6c 60000010 00000003 e3a02006 e28d0022
[<c01d50ac>] (usb_hcd_map_urb_for_dma+0x388/0x398) from [<c01d5834>] (usb_hcd_submit_urb+0x14c/0x680)
[<c01d5834>] (usb_hcd_submit_urb+0x14c/0x680) from [<c01d808c>] (usb_start_wait_urb+0x44/0xcc)
[<c01d808c>] (usb_start_wait_urb+0x44/0xcc) from [<c01d82cc>] (usb_control_msg+0xbc/0xe0)
[<c01d82cc>] (usb_control_msg+0xbc/0xe0) from [<bf1704a4>] (_usb_writeN_sync+0x84/0xa0 [rtlwifi])
[<bf1704a4>] (_usb_writeN_sync+0x84/0xa0 [rtlwifi]) from [<bf182fbc>] (_rtl92c_fw_block_write+0xb8/0x2ac [rtl8192c_common])
[<bf182fbc>] (_rtl92c_fw_block_write+0xb8/0x2ac [rtl8192c_common]) from [<bf184660>] (rtl92c_download_fw+0xdc/0x6e8 [rtl8192c_common])
[<bf184660>] (rtl92c_download_fw+0xdc/0x6e8 [rtl8192c_common]) from [<bf1992ec>] (rtl92cu_hw_init+0x870/0x15ac [rtl8192cu])
[<bf1992ec>] (rtl92cu_hw_init+0x870/0x15ac [rtl8192cu]) from [<bf170608>] (rtl_usb_start+0x20/0x1e4 [rtlwifi])
[<bf170608>] (rtl_usb_start+0x20/0x1e4 [rtlwifi]) from [<bf16afd8>] (rtl_op_start+0x58/0x84 [rtlwifi])
[<bf16afd8>] (rtl_op_start+0x58/0x84 [rtlwifi]) from [<bf122030>] (ieee80211_do_open+0x290/0x7e8 [mac80211])
[<bf122030>] (ieee80211_do_open+0x290/0x7e8 [mac80211]) from [<c0272d7c>] (__dev_open+0xac/0x104)
[<c0272d7c>] (__dev_open+0xac/0x104) from [<c0272fa4>] (__dev_change_flags+0x78/0x144)
[<c0272fa4>] (__dev_change_flags+0x78/0x144) from [<c02730dc>] (dev_change_flags+0x10/0x48)
[<c02730dc>] (dev_change_flags+0x10/0x48) from [<c027eeb0>] (do_setlink+0x264/0x838)
[<c027eeb0>] (do_setlink+0x264/0x838) from [<c027fd04>] (rtnl_newlink+0x2bc/0x468)
[<c027fd04>] (rtnl_newlink+0x2bc/0x468) from [<c027f6c4>] (rtnetlink_rcv_msg+0x150/0x294)
[<c027f6c4>] (rtnetlink_rcv_msg+0x150/0x294) from [<c028966c>] (netlink_rcv_skb+0xbc/0xd8)
[<c028966c>] (netlink_rcv_skb+0xbc/0xd8) from [<c027eaec>] (rtnetlink_rcv+0x18/0x24)
[<c027eaec>] (rtnetlink_rcv+0x18/0x24) from [<c0289128>] (netlink_unicast+0x1a8/0x1f8)
[<c0289128>] (netlink_unicast+0x1a8/0x1f8) from [<c0289450>] (netlink_sendmsg+0x234/0x298)
[<c0289450>] (netlink_sendmsg+0x234/0x298) from [<c025ebf0>] (sock_sendmsg+0x90/0xb0)
[<c025ebf0>] (sock_sendmsg+0x90/0xb0) from [<c025efb0>] (__sys_sendmsg+0x2bc/0x2d4)
[<c025efb0>] (__sys_sendmsg+0x2bc/0x2d4) from [<c026091c>] (sys_sendmsg+0x3c/0x68)
[<c026091c>] (sys_sendmsg+0x3c/0x68) from [<c0009480>] (ret_fast_syscall+0x0/0x2c)
Code: eaffff81 e3e0c00a eaffff7f e7f001f2 (e7f001f2)
---[ end trace 73347729a9d17cd5 ]---
/sbin/dhclient-script: line 175:  1677 Segmentation fault      ip link set dev ${interface} up