Cannot unload if_iwi module

[Florent Thoumie]

On Sun, 2006-10-22 at 08:43 +0200, Jeremie Le Hen wrote:
> Hi,
> 
> when I try to unload if_iwi module, here is what happens:
> 
> % jarjarbinks:/<3>dev/iwi:118# kldunload if_iwi
> % iwi0: detached
> % jarjarbinks:/<3>dev/iwi:119# iwi0: <Intel(R) PRO/Wireless 2200BG> mem 0xc8218000-0xc8218fff irq 11 at device 3.0 on pci6
> % iwi0: Ethernet address: 00:12:f0:2c:f3:6e
> % iwi0: [GIANT-LOCKED]
> 
> The kld is reloaded automatically (I am sure it is reloaded because
> the id showed in kldstat(8) changes each time):
> 
> % jarjarbinks:/<1>share/mk:137# kldstat
> % Id Refs Address    Size     Name
> %  1   20 0xc0400000 4ef910   kernel
> %  2    1 0xc08f0000 e5dc     if_bge.ko
> %  3    1 0xc08ff000 4ce4     ums.ko
> %  4    1 0xc0904000 b180     umass.ko
> %  5    2 0xc382e000 25000    linux.ko
> %  6    1 0xc38cb000 2000     rtc.ko
> %  9    1 0xc3acf000 e000     if_iwi.ko
> % 10    2 0xc3add000 3000     firmware.ko
> 
> % jarjarbinks:/<3>dev/iwi:122# kldstat
> % Id Refs Address    Size     Name
> %  1   19 0xc0400000 4ef910   kernel
> %  2    1 0xc08f0000 e5dc     if_bge.ko
> %  3    1 0xc08ff000 4ce4     ums.ko
> %  4    1 0xc0904000 b180     umass.ko
> %  5    2 0xc382e000 25000    linux.ko
> %  6    1 0xc38cb000 2000     rtc.ko
> % 11    1 0xc3acf000 e000     if_iwi.ko
> % 12    1 0xc3add000 3000     firmware.ko
> 
> Any clue how to disable this unwanted behaviour ?

No idea, but the same behavior can be seen with ipw(4) and experimental
wpi(4). I seem to recall this didn't happen before the the support for
firmware(9) was added.

-- 
Florent Thoumie
flz at FreeBSD.org
FreeBSD Committer
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