problem with downing wlan's

[Steve Morris]

On Sun, Jan 11, 2004 at 11:42:37AM -0800, Jouni Malinen wrote:
> On Sun, Jan 11, 2004 at 06:24:46AM -0800, Steve Morris wrote:
> 
> > after I run rmmod hostap_pci I get a 'Segmentation fault' and while my
> > machine is still running, trying to do 'lsmod' just hangs.
> > 
> > moe:/usr/local/src/hostap# rmmod hostap_pci
> > Segmentation fault
> 
> This sounds like a kernel oops.. Could you please try to get the kernel
> log at this point (e.g., with 'dmesg') and post it here?

heres what I ran:

ifconfig wlan0 down
rmmod hostap_crypt_wep
rmmod hostap_pci


here's the output from dmesg:

wlan0: Deauthenticate all stations
hostap_crypt: unregistered algorithm 'WEP'
Unable to handle kernel paging request at virtual address d0b1ffa8
 printing eip:
d0b5aa94
*pde = 0fe1d067
*pte = 00000000
Oops: 0000 [#1]
CPU:    0
EIP:    0060:[<d0b5aa94>]    Tainted: PF 
EFLAGS: 00010286
EIP is at prism2_free_local_data+0x364/0x3c0 [hostap_pci]
eax: c0ced240   ebx: 00000000   ecx: 00000246   edx: d0b1ffa0
esi: c26a576c   edi: c26a574c   ebp: c26a52dc   esp: c3089ec4
ds: 007b   es: 007b   ss: 0068
Process rmmod (pid: 6227, threadinfo=c3088000 task=cb684680)
Stack: c0ced240 00000001 00000282 c26a5728 d0b1a000 c26a5000 cfe46800 c3088000 
       d0b5bcf1 c26a5000 c26a5000 c27e7ea0 cfe46800 d0b61684 00000000 c01de5cb 
       cfe46800 cfe46854 c020e1b6 cfe46854 cfe46880 d0b616d0 d0b616d0 c020e1eb 
Call Trace:
 [<d0b5bcf1>] prism2_pci_remove+0x41/0xb0 [hostap_pci]
 [<c01de5cb>] pci_device_remove+0x3b/0x40
 [<c020e1b6>] device_release_driver+0x66/0x70
 [<c020e1eb>] driver_detach+0x2b/0x40
 [<c020e42d>] bus_remove_driver+0x3d/0x80
 [<c020e833>] driver_unregister+0x13/0x28
 [<c01de7a6>] pci_unregister_driver+0x16/0x30
 [<d0b5bf0f>] exit_prism2_pci+0xf/0x28 [hostap_pci]
 [<c012bf04>] sys_delete_module+0x134/0x150
 [<c01400c4>] sys_munmap+0x44/0x70
 [<c01090ab>] syscall_call+0x7/0xb

Code: ff 52 08 8b 85 38 03 00 00 e9 84 fe ff ff e8 d9 91 5b ef e9 
 <7>request_module: failed /sbin/modprobe -- net-pf-10. error = 256
request_module: failed /sbin/modprobe -- net-pf-10. error = 256


Thanks for looking and thanks for hostap.

Steve



> 
> -- 
> Jouni Malinen                                            PGP id EFC895FA
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