hostap driver 0.1.2 oops

Michal Semler cijoml
Sun Jan 18 03:05:51 PST 2004


I use ZCOM XI-626 with pccard driver

when I enabled in driver:

I get kernel oops with 0.1.2 hostap driver when it tries find a card.
without these features enabled everithing works well.

cs: IO port probe 0x0100-0x04ff: excluding 0x378-0x37f 0x3c0-0x3df 0x4d0-0x4d7
cs: IO port probe 0x0a00-0x0aff: clean.
cs: memory probe 0xa0000000-0xa0ffffff: clean.
hostap_crypt: registered algorithm 'NULL'
hostap_cs: 0.1.2 - 2003-11-02 (Jouni Malinen <jkmaline at>)
hostap_cs: setting Vcc=33 (constant)
hostap_cs: setting Vcc=50 (from config)
Checking CFTABLE_ENTRY 0x01 (default 0x01)
IO window settings: cfg->io.nwin=1
io->flags = 0x0046, io.base=0x0000, len=64
hostap_cs: index 0x01: Vcc 5.0, irq 5, io 0x0100-0x013f
hostap_cs: Registered netdevice wlan0
wlan0: trying to read PDA from 0x007f0000: OK
Unable to handle kernel NULL pointer dereference at virtual address 00000004
 printing eip:
*pde = 00000000
Oops: 0002
CPU:    0
EIP:    0010:[<c0117e4c>]    Tainted: P
EFLAGS: 00013046
eax: cccedd08   ebx: 00000000   ecx: c9a8f670   edx: c9a8f668
esi: 00003246   edi: cccedd3c   ebp: c9a8f668   esp: c9a8f61c
ds: 0018   es: 0018   ss: 0018
Process cardmgr (pid: 460, stackpage=c9a8f000)
Stack: cccedd08 0000fd0b d0fd2313 0000fd0b 00000000 ce66f260 ce66f23c cccedd00
       ce023bc0 cdf90a14 c9a8e000 00000000 c12a4d80 ce66f23c 0021fc00 00000000
       c9a8e000 00000000 00000000 00000000 c9a8e000 00000000 00000000 00000010
Call Trace:    [<d0fd2313>] [<d0fd2c22>] [<d0fda88c>] [<d0fd79d8>] 
  [<d0fd303e>] [<d0fd7c87>] [<d0fd37b0>] [<d0fda88c>] [<d0fd379d>] 
  [<d0fd3a88>] [<d0fd9512>] [<d0fd9570>] [<c01dfdf6>] [<c01df998>] 
  [<c01e113b>] [<c01dfab6>] [<c01dfdf6>] [<c01e12b6>] [<c0119b1e>] 
  [<c01df6ff>] [<c01dfee5>] [<c01dfdf6>] [<c01df998>] [<d0fdd2aa>] 
  [<c01dfab6>] [<c01dfdf6>] [<c01e12b6>] [<c0119b1e>] [<c0119d54>] 
  [<d0fdd2a0>] [<d0fdd2aa>] [<c01e5d9e>] [<d0fdd2a0>] [<d0fcb57b>] 
  [<c01e7116>] [<c01def0a>] [<d0fd8dc3>] [<d0fdd2a0>] [<d0fd9668>] 
  [<c01e41e9>] [<c01d6da7>] [<c01d6f2a>] [<c01d6c3d>] [<c01d62a0>] 
  [<c01d8317>] [<c020a6ff>] [<c024c03a>] [<c0207945>] [<c02088b7>] 
  [<c0116e12>] [<c01288d0>] [<c0129666>] [<c01e3cc1>] [<c014629a>] 

Code: 89 4b 04 89 08 89 41 04 56 9d 8b 74 24 04 8b 1c 24 83 c4 08



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