wireless-dev: warnings while removing bcm43xx-d80211

wireless-dev: warnings while removing bcm43xx-d80211

[Johannes Berg]

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This didn't look too good to me, maybe someone can investigate?

[24070.841580] Badness in remove_proc_entry at fs/proc/generic.c:732
[24070.841593] Call Trace:
[24070.841598] [E9A87C30] [C00081E8] show_stack+0x50/0x190 (unreliable)
[24070.841618] [E9A87C60] [C000E4EC] program_check_exception+0x454/0x5d0
[24070.841632] [E9A87CC0] [C000FA00] ret_from_except_full+0x0/0x4c
[24070.841643] --- Exception: 700 at remove_proc_entry+0x14c/0x1d0
[24070.841661]     LR = remove_proc_entry+0x58/0x1d0
[24070.841667] [E9A87DC0] [F20BE214] ieee80211_proc_deinit_interface+0x38/0xe4 [80211]
[24070.841729] [E9A87DD0] [F20B17E0] ieee80211_unregister_hw+0xf4/0x1ac [80211]
[24070.841749] [E9A87DF0] [F24C2644] bcm43xx_remove_one+0x44/0xc0 [bcm43xx_d80211]
[24070.841789] [E9A87E10] [C0151670] pci_device_remove+0x38/0x60
[24070.841806] [E9A87E20] [C019F098] __device_release_driver+0x74/0xac
[24070.841822] [E9A87E40] [C019F5DC] driver_detach+0x110/0x140
[24070.841833] [E9A87E60] [C019E8C8] bus_remove_driver+0x8c/0xc8
[24070.841844] [E9A87E80] [C019F990] driver_unregister+0x18/0x34
[24070.841855] [E9A87EA0] [C0151524] pci_unregister_driver+0x20/0x8c
[24070.841866] [E9A87EC0] [F24D9954] bcm43xx_exit+0x18/0x376c [bcm43xx_d80211]
[24070.841886] [E9A87ED0] [C0047D30] sys_delete_module+0x19c/0x20c
[24070.841899] [E9A87F40] [C000F3A4] ret_from_syscall+0x0/0x38
[24070.841909] --- Exception: c01 at 0xff6e708
[24070.841918]     LR = 0x1000103c
[24084.097041] Badness in remove_proc_entry at fs/proc/generic.c:732
[24084.097056] Call Trace:
[24084.097061] [E9BDBD20] [C00081E8] show_stack+0x50/0x190 (unreliable)
[24084.097081] [E9BDBD50] [C000E4EC] program_check_exception+0x454/0x5d0
[24084.097095] [E9BDBDB0] [C000FA00] ret_from_except_full+0x0/0x4c
[24084.097106] --- Exception: 700 at remove_proc_entry+0x14c/0x1d0
[24084.097124]     LR = remove_proc_entry+0x58/0x1d0
[24084.097130] [E9BDBEB0] [F20BE37C] ieee80211_proc_deinit+0x38/0x48 [80211]
[24084.097174] [E9BDBEC0] [F20C7560] ieee80211_exit+0x14/0x3aec [80211]
[24084.097192] [E9BDBED0] [C0047D30] sys_delete_module+0x19c/0x20c
[24084.097206] [E9BDBF40] [C000F3A4] ret_from_syscall+0x0/0x38
[24084.097215] --- Exception: c01 at 0xff6e708
[24084.097224]     LR = 0x1000103c


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Re: wireless-dev: warnings while removing bcm43xx-d80211

[Jiri Benc]

Sat, 29 Apr 2006 13:00:25 +0200, Johannes Berg pise:
> This didn't look too good to me, maybe someone can investigate?
> 
> [24070.841580] Badness in remove_proc_entry at fs/proc/generic.c:732
> [24070.841593] Call Trace:
> [...]

I know about this (also mentioned it at Wireless summit), I'm working on
it.

Thanks,

 Jiri

-- 
Jiri Benc
SUSE Labs

Re: wireless-dev: warnings while removing bcm43xx-d80211

[Michael Buesch]

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On Sunday 30 April 2006 14:15, you wrote:
> Sat, 29 Apr 2006 13:00:25 +0200, Johannes Berg pise:
> > This didn't look too good to me, maybe someone can investigate?
> > 
> > [24070.841580] Badness in remove_proc_entry at fs/proc/generic.c:732
> > [24070.841593] Call Trace:
> > [...]
> 
> I know about this (also mentioned it at Wireless summit), I'm working on
> it.

Hm, seems like I did not listen to you. :P
How does this happen? I never saw it.

-- 
Greetings Michael.

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Re: wireless-dev: warnings while removing bcm43xx-d80211

[Jiri Benc]

Sun, 30 Apr 2006 14:49:45 +0200, Michael Buesch pise:
> Hm, seems like I did not listen to you. :P
> How does this happen? I never saw it.

Usually when a net interface is renamed (by udev for example). The stack
then tries to remove wrong procfs directory.

 Jiri

-- 
Jiri Benc
SUSE Labs