linux-kernel - Oops with prism54 in 2.6.22-rc3

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Message-Id: <200705261442.34054.maxi@daemonizer.de>
Date:	Sat, 26 May 2007 14:42:30 +0200
From:	Maximilian Engelhardt <maxi@...monizer.de>
To:	"linux-kernel" <linux-kernel@...r.kernel.org>,
	"linux-wireless" <linux-wireless@...r.kernel.org>
Subject: Oops with prism54 in 2.6.22-rc3

Hello,

when using the prism54 driver including in the 2.6.22-rc3 kernel I get this 
Oops when putting the card into monitor mode:

BUG: unable to handle kernel NULL pointer dereference at virtual address 
000001d8
 printing eip:
c0500608
*pde = 00000000
Oops: 0002 [#1]
PREEMPT 
Modules linked in: fuse
CPU:    0
EIP:    0060:[<c0500608>]    Not tainted VLI
EFLAGS: 00010046   (2.6.22-rc3 #2)
EIP is at netif_rx+0x48/0xc0
eax: 00000000   ebx: c18fdbc0   ecx: c087991c   edx: c0879910
esi: 00000246   edi: f7c68010   ebp: f7fe0ba0   esp: c07bbef0
ds: 007b   es: 007b   fs: 0000  gs: 0000  ss: 0068
Process swapper (pid: 0, ti=c07ba000 task=c075a280 task.ti=c07ba000)
Stack: f7ec0000 00000000 c03d2b8f c07bbf24 00000082 f7c68024 f7fe0800 c18fdbc0 
       00000070 00000046 00000286 00000286 00000008 00000007 0032dcd5 00000000 
       f7fe0ba0 00000002 f7fe0800 c03d913d 00000000 00000000 f7f4d2c0 00000000 
Call Trace:
 [<c03d2b8f>] islpci_eth_receive+0x12f/0x590
 [<c03d913d>] islpci_interrupt+0x1cd/0x280
 [<c0144e15>] handle_IRQ_event+0x25/0x50
 [<c014669c>] handle_fasteoi_irq+0x5c/0xe0
 [<c010674a>] do_IRQ+0x4a/0x80
 [<c010498f>] common_interrupt+0x23/0x28
 [<c0102b3a>] default_idle+0x2a/0x40
 [<c01023e3>] cpu_idle+0x43/0x80
 [<c07bcb2a>] start_kernel+0x21a/0x260
 [<c07bc450>] unknown_bootoption+0x0/0x260
 =======================
Code: c7 43 0c 00 00 00 00 c7 43 10 00 00 00 00 9c 5e fa ff 05 bc 9c 87 c0 a1 
0c 99 87 c0 3b 05 c0 4a 7b c0 77 30 85 c0 74 43 8b 43 14 <ff> 80 d8 01 00 00 
a1 08 99 87 c0 ff 05 0c 99 87 c0 c7 03 04 99 
EIP: [<c0500608>] netif_rx+0x48/0xc0 SS:ESP 0068:c07bbef0
Kernel panic - not syncing: Fatal exception in interrupt

After this the system is frozen. Using kernel 2.6.21 everything works fine, I 
can capture packets in monitor mode and do not get any Oops.

Maxi

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