Kernel oops caused by wl24_cs driver

From: Jeremy Malcolm (terminus@terminus.net.au)
Date: Sun Dec 17 2000 - 02:55:14 EST


This probably isn't a supported driver, so please press "delete" if you
don't want to be bothered reading about a problem with an unsupported
driver. Thanks.

I have compiled the wl24_cs wireless PCMCIA card driver from
http://relay.boerde.de/~matthias/airnet/zcom/ using kernel 2.2.17 and
pcmcia-cs-3.0.14 (the only version that it seems to compile with). When I
insert the card I get the following (which I have fed through ksymoops):

...begins...
Dec 16 08:11:53 jeremy kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000
Dec 16 08:11:53 jeremy kernel: current->tss.cr3 = 03cb9000, %cr3 = 03cb9000
Dec 16 08:11:53 jeremy kernel: *pde = 00000000
Dec 16 08:11:53 jeremy kernel: Oops: 0000
Dec 16 08:11:53 jeremy kernel: CPU: 0
Dec 16 08:11:53 jeremy kernel: EIP: 0010:[coda:coda_upcall_stat+434971/145889781]
Dec 16 08:11:53 jeremy kernel: EFLAGS: 00010246
Dec 16 08:11:53 jeremy kernel: eax: 00000000 ebx: c2cc2000 ecx: ffffffff edx: c0932000
Dec 16 08:11:53 jeremy kernel: esi: 00000006 edi: 00000000 ebp: c0903b18 esp: c0903918
Dec 16 08:11:53 jeremy kernel: ds: 0018 es: 0018 ss: 0018
Dec 16 08:11:53 jeremy kernel: Process cardmgr (pid: 187, process nr: 8, stackpage=c0903000)
Dec 16 08:11:53 jeremy kernel: Stack: 00000080 00000003 c3004800 00000004 c3004da0 c404f142 c3c4cbb0 c2cc202a
Dec 16 08:11:53 jeremy kernel: 0000002b c3004da0 c3004c80 08000501 c0903903 c4047707 c3c4c800 c0903b28
Dec 16 08:11:53 jeremy kernel: c3c4c86c a0000fff c0903b28 c3c4c800 c3004c80 c4053141 00000000 00000006
Dec 16 08:11:53 jeremy kernel: Call Trace: [coda:coda_upcall_stat+150626/146174126] [coda:coda_upcall_stat+119335/146205417] [coda:coda_upcall_stat+167009/146157743] [coda:coda_upcall_stat+169661/146155091] [coda:coda_upcall_stat+424964/145899788] [coda:coda_upcall_stat+115690/146209062] [coda:coda_upcall_stat+116642/146208110]
Dec 16 08:11:53 jeremy kernel: Code: f2 ae f7 d1 49 88 4b 29 8b 35 b8 85 09 c4 8b bd 1c fe ff ff

Code: 00000000 Before first symbol 00000000 <_IP>: <===
Code: 00000000 Before first symbol 0: f2 ae repnz scas %es:(%edi),%al <===
Code: 00000002 Before first symbol 2: f7 d1 not %ecx
Code: 00000004 Before first symbol 4: 49 dec %ecx
Code: 00000005 Before first symbol 5: 88 4b 29 mov %cl,0x29(%ebx)
Code: 00000008 Before first symbol 8: 8b 35 b8 85 09 c4 mov 0xc40985b8,%esi
Code: 0000000e Before first symbol e: 8b bd 1c fe ff ff mov 0xfffffe1c(%ebp),%edi

68 warnings issued. Results may not be reliable."
...ends...

Does this mean anything to anyone? Many thanks for any replies (please cc
by email).

-- 
Independent consulting solicitor* | _ .__ ._ _    |\/| _.| _ _ |._ _
and technology consultant.**    \_|(/_|(/_| | |\/ |  |(_||(_(_)|| | |
Personal site: http://malcolm.wattle.id.au     /   Finger for GPG key
* http://www.ilaw.com.au ** http://www.terminus.net.au jm@ilaw.com.au

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