Re: PATCH: prism2_remove_proc fix (Prism2 Host AP - new release 2002-04-21)

From: gARetH baBB (
Date: 2002-04-22 16:42:39 UTC

On Mon, 22 Apr 2002, Jouni Malinen wrote:

> I was unable to crash my test setup yesterday with a similar script
> (however, I was using only one Prism2.5 card). Anyway, now that you
> sent a patch for this, I found the bug that is probably causing these
> crashes.

Even with the patch (which you say isn't meant to fix _cs anyway) I still get a kernel problem.

2.2.19, pcmcia-cs-3.1.33, ZoomAir 4100.

hostap_cs: hostap_cs.c 0.0.0 2002-04-21 (SSH Communications Security Corp, Jouni Malinen)

hostap_cs: (c) SSH Communications Security Corp <>
hostap_cs: setting Vcc=33 (constant)
hostap_cs: setting Vcc=50 (from config)
CISTPL_MANFID: 0x0156, 0x0002

Lucent-based card
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 0x0140-0x017f Unable to handle kernel NULL pointer dereference at virtual address 00000000
current->tss.cr3 = 0039e000, %cr3 = 0039e000 *pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c019724e>]
EFLAGS: 00010202
eax: c1030877 ebx: 00000000 ecx: 00000000 edx: c10308f5 esi: 00000001 edi: c035171c ebp: c035173c esp: c03516cc ds: 0018 es: 0018 ss: 0018
Process cardmgr (pid: 39, process nr: 8, stackpage=c0351000) Stack: c0828400 c035173c 00000002 00000001 c0351900 c0351b2c cccccccd 00000000

       c0351900 c01972ea 00000000 c10308f5 c035171c 00000001 c01d2d23 00000021

       c01d2d45 c1027332 00000000 c10308f5 00000000 c0112dff cccccccd 00000000
Call Trace: [<c01972ea>] [<c10308f5>] [<c1027332>] [<c10308f5>]
[<c0112dff>] [<c102de80>] [<c1034620>]

       [<c102de64>] [<c10306d4>] [<c1018c05>] [<c101a234>] [<c100aa00>]
[<c100b5ce>] [<c100aa00>] [<c017359b>]

       [<c100bb07>] [<c0108eb1>] [<c100d085>] [<c0112cd4>] [<c0112dff>]
[<c101a234>] [<c100ba00>] [<c100aa00>]

       [<c100b5ce>] [<c100aa00>] [<c017359b>] [<c100bb07>] [<c0108eb1>]
[<c100d085>] [<c0112cd4>] [<c0112dff>]

       [<c102e0d3>] [<c1034620>] [<c101a234>] [<c1009950>] [<c1034d50>]
[<c10346a1>] [<c0112cd4>] [<c100abaa>]

       [<c102d4cf>] [<c100ac99>] [<c1034620>] [<c102e04c>] [<c101c6bd>]
[<c101d120>] [<c0148bb9>] [<c01967a9>]

       [<c0149cec>] [<c01492dd>] [<c01492cc>] [<c01967a9>] [<c016e5e1>]
[<c0146dd3>] [<c0171e8d>] [<c01479e9>]

       [<c012bfe1>] [<c01311d0>] [<c012c006>] [<c0124bea>] [<c011bcd2>]
[<c012e9e7>] [<c0107b86>] [<c0107ba8>]

Code: 88 03 43 eb 4e 4a 89 54 24 34 eb 47 8d b6 00 00 00 00 83 f9

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