Kudzu at Startup(BOOT HANG)

[sean bruno]

BTW the driver(MADWIFI) has been update to allow it to be removed such
that Kudzu now works and doesn't hang the system.

Update your files from CVS and check it out.

On Mon, 2004-04-12 at 04:49, Kjartan Maraas wrote:
> søn, 11.04.2004 kl. 21.40 -0700, skrev sean bruno:
> 
> > And continuing the insanity...I removed the entry from modprobe.conf and
> > the ifcfg-eth0 config file and rebooted.  The first time I booted, kudzu
> > hung the system as it has been.
> > 
> > The second boot, I skipped kudzu and ran kudzu from the command line. 
> > I'm not familiar with kernel errors, but what does this mean:
> > 
> > Apr 11 21:17:11 localhost kernel: ------------[ cut here ]------------
> > Apr 11 21:17:11 localhost kernel: kernel BUG at fs/proc/generic.c:660!
> > Apr 11 21:17:11 localhost kernel: invalid operand: 0000 [#1]
> > Apr 11 21:17:11 localhost kernel: CPU:    0
> > Apr 11 21:17:11 localhost kernel: EIP:    0060:[<0219c223>]    Tainted:
> > P
> > Apr 11 21:17:11 localhost kernel: EFLAGS: 00010202   (2.6.5-1.315)
> > Apr 11 21:17:11 localhost kernel: EIP is at remove_proc_entry+0xa5/0xf6
> > Apr 11 21:17:11 localhost kernel: eax: 00000001   ebx: 17dba9cc   ecx:
> > 00000000   edx: 21fde880
> > Apr 11 21:17:11 localhost kernel: esi: 21fde8b0   edi: 17d67800   ebp:
> > 00000005   esp: 17f6fee0
> > Apr 11 21:17:11 localhost kernel: ds: 007b   es: 007b   ss: 0068
> > Apr 11 21:17:11 localhost kernel: Process modprobe (pid: 1653,
> > threadinfo=17f6f000 task=17f5cc50)
> > Apr 11 21:17:11 localhost kernel: Stack: 21fde880 17dba9cc 17dba000
> > 17dba000 17dba000 17f6f000 228a6092 17dba000
> > Apr 11 21:17:11 localhost kernel:        228a07d6 17dba000 229cb80e
> > 17dba000 03467000 229d00fe 03467000 229d2e04
> > Apr 11 21:17:11 localhost kernel:        229d2e04 021d2582 03467044
> > 0221fb80 229d2e04 229d2e68 0221fba2 0233b1ec
> > Apr 11 21:17:11 localhost kernel: Call Trace:
> > Apr 11 21:17:11 localhost kernel:  [<228a6092>]
> > ieee80211_proc_remove+0x28/0x34 [wlan]
> > Apr 11 21:17:11 localhost kernel:  [<228a07d6>]
> > ieee80211_ifdetach+0x5a/0x7f [wlan]
> > Apr 11 21:17:11 localhost kernel:  [<229cb80e>] ath_detach+0x48/0x4d
> > [ath_pci]
> > Apr 11 21:17:11 localhost kernel:  [<229d00fe>] ath_pci_remove+0x15/0x68
> > [ath_pci]
> > Apr 11 21:17:11 localhost kernel:  [<021d2582>]
> > pci_device_remove+0x16/0x28
> > Apr 11 21:17:11 localhost kernel:  [<0221fb80>]
> > device_release_driver+0x3c/0x46
> > Apr 11 21:17:11 localhost kernel:  [<0221fba2>] driver_detach+0x18/0x26
> > Apr 11 21:17:11 localhost kernel:  [<0221fd71>]
> > bus_remove_driver+0x37/0x64
> > Apr 11 21:17:11 localhost kernel:  [<02220043>]
> > driver_unregister+0xc/0x2a
> > Apr 11 21:17:11 localhost kernel:  [<021d26de>]
> > pci_unregister_driver+0xb/0x13
> > Apr 11 21:17:11 localhost kernel:  [<229d01c7>] exit_ath_pci+0xf/0x22
> > [ath_pci]
> > Apr 11 21:17:11 localhost kernel:  [<02134cb9>]
> > sys_delete_module+0x122/0x162
> > Apr 11 21:17:11 localhost kernel:  [<0212581c>]
> > ptrace_notify+0x109/0x1ab
> > Apr 11 21:17:11 localhost kernel:
> > Apr 11 21:17:11 localhost kernel: Code: 0f 0b 94 02 d2 d6 2f 02 8b 47 40
> > 85 c0 75 09 89 f8 e8 0d ff
> > 
> > 
> > This went away after I placed the module entry back into modprobe.conf. 
> > It still halts the boot process, but it runs fine from the command
> > line...Is this a REDHAT bug or a bug with the driver?
> > 
> I've seen similar crashes with the orinoco driver from CVS on and off,
> but not lately so I guess there's a chance that this is a driver
> problem. I see the exact same thing on my Compaq nc8000 laptop which has
> the Atheros card too.
> 
> It seems to be happening when removing proc entries for the driver on
> unload. Maybe it's violating some rules of conduct in that area?
> 
> Cheers
> Kjartan
>