Unable to handle kernel NULL pointer dereference..

这几天调试Wlan遇到的错误，有必要记录一下....

Thu Jan  1 00:00:59 UTC 1970

 

rt73 driver version - 1.0.4.0
rt73 driver step1 loki
**RT2573**<7>--> PortCfgInit
**RT2573**<7><-- PortCfgInit
**RT2573**<7>--> RTMPInitAdapterBlock
**RT2573**<7><-- RTMPInitAdapterBlock
rt73 driver step1.5 loki
**RT2573**<7>--> NICInitTransmit
before NICInitTransmit step1 for ...
before NICInitTransmit step1 for ...
before NICInitTransmit step1 for ...
before NICInitTransmit step1 for ...
NICInitTransmit step1
NICInitTransmit step1.2
NICInitTransmit step1.3
JUST 363...................
JUST after 363...................2368
JUST after 363...................-1019125760
JUST after 36df...................
JUST after 36d45345.................
NICInitTransmit step1.2
NICInitTransmit step1.3
JUST 363...................
kernel BUG at slab.c:1110!
Unable to handle kernel NULL pointer dereference at virtual address 00000000
pgd = c3644000
*pgd = 3365c801, *pmd = 3365c801, *pte = 00000000, *ppte = 00000000
Internal error: Oops: ffffffff
CPU: 0
pc : []    lr : []    Not tainted
sp : c3643ddc  ip : c3643d94  fp : c3643dec
r10: c69c7098  r9 : c69c70b0  r8 : c69a0000
r7 : 00000000  r6 : c02266c0  r5 : 000001f0  r4 : 00000000
r3 : 00000000  r2 : 00000001  r1 : 00000001  r0 : 00000001
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  Segment user
Control: C000317F  Table: 33644000  DAC: 00000015
Process ifconfig (pid: 67, stackpage=c3643000)
Stack: (0xc3643dcc to 0xc3644000)
3dc0:                            c002959c c0021b04 60000013 ffffffff c02266c0
3de0: c3643e14 c3643df0 c0040758 c0021ad0 c02266c0 000001f0 00000001 00000000
3e00: c69a0000 c69c7098 c3643e2c c3643e18 c0040bdc c00406f8 00000000 c69c7148
3e20: c3643e64 c3643e30 c696c8a4 c0040ac8 00000018 c69c7130 c69c7080 c01f4380
3e40: c69a0000 00000000 c0b85800 c3643f0c bffffc2c 00000000 c3643e88 c3643e68
3e60: c6950448 c696c734 c3643e98 c01f4380 00000000 00001002 00000000 c3643e98
3e80: c3643e8c c0140cb4 c69503e0 c3643eac c3643e9c c0140cd8 c0140c8c c0b85800
3ea0: c3643ec4 c3643eb0 c013e5c4 c0140cc8 c0b85800 00001043 c3643ee4 c3643ec8
3ec0: c013fbbc c013e508 c38faca0 c0b85800 c0c77b60 c3643f1c c3643f54 c3643ee8
3ee0: c01727c8 c013fb6c 00000014 00000000 00000000 c38facb0 00008914 00001043
3f00: 7a02a8c0 00112430 00154878 73756172 00003062 00000000 00000000 00001043
3f20: 7a02a8c0 00112430 00154878 00008914 bffffc2c c0c57080 bffffc2c ffffffe7
3f40: c3642000 00000001 c3643f70 c3643f58 c0174dc4 c01724b4 c0acca40 00008914
3f60: 00000003 c3643f80 c3643f74 c0137dc4 c0174aa0 c3643fa4 c3643f84 c0058cf0
3f80: c0137dac bffffc2c bffffe90 00000004 00000036 c001c9a4 00000000 c3643fa8
3fa0: c001c820 c0058b04 bffffc2c c0022bf8 00000003 00008914 bffffc2c 00000010
3fc0: bffffc2c bffffe90 00000004 000dce20 bffffc20 000dcd9c 00000001 00000003
3fe0: 00154878 bffffb98 0002b94c 0008b844 20000010 00000003 00000000 002f0000
Backtrace:
Function entered at [] from []
 r4 = C02266C0
Function entered at [] from []
Function entered at [] from []
 r5 = C69C7148  r4 = 00000000
Function entered at [] from []
Function entered at [] from []
 r7 = 00000000  r6 = 00001002  r5 = 00000000  r4 = C01F4380
Function entered at [] from []
Function entered at [] from []
 r4 = C0B85800
Function entered at [] from []
 r5 = 00001043  r4 = C0B85800
Function entered at [] from []
 r7 = C3643F1C  r6 = C0C77B60  r5 = C0B85800  r4 = C38FACA0
Function entered at [] from []
Function entered at [] from []
 r6 = 00000003  r5 = 00008914  r4 = C0ACCA40
Function entered at [] from []
Function entered at [] from []
 r8 = C001C9A4  r7 = 00000036  r6 = 00000004  r5 = BFFFFE90
 r4 = BFFFFC2C
Code: eb001dfd e59f0014 eb001dfb e3a03000 (e5833000)
Kernel panic: Aiee, killing interrupt handler!
In interrupt handler - not syncing