if_iwi on FreeBSD 6.0 on a Thinkpad T43
freebsd at meijome.net
Thu Feb 23 20:40:06 PST 2006
Nathan Lay wrote:
> Hi all,
> I've encountered a peculiar quirk in either this laptop or FreeBSD
> with IPW2915ABG. For some reason or another, either the Thinkpad
> turns the card on at bootup, or FreeBSD's if_iwi driver and acpi_ibm
> mistakenly think the card is turned on.
> My loaded modules:
> Id Refs Address Size Name
> 1 14 0xc0400000 4033b4 kernel
> 2 1 0xc0804000 5e28 snd_ich.ko
> 3 2 0xc080a000 20448 sound.ko
> 4 1 0xc082b000 3f44 acpi_ibm.ko
> 5 17 0xc082f000 6057c acpi.ko
> 6 1 0xc0890000 41c4 wlan_tkip.ko
> 7 1 0xc0895000 6fe4 wlan_ccmp.ko
> 8 1 0xc1d7c000 18000 linux.ko
> Notice that if_iwi is NOT loaded.
> Let's have a look at dev.acpi_ibm.0.wlan
> dev.acpi_ibm.0.wlan: 1
> Well thats odd, why would acpi think the wireless chip is turned on
> with no driver loaded?
> Let's load if_iwi for kicks
> iwi0: <Intel(R) PRO/Wireless 2915ABG> mem 0xa8401000-0xa8401fff irq 11
> at device 2.0 on pci4
> iwi0: Ethernet address: 00:13:ce:b7:ea:8
> That works just fine it seems.
> But then:
> %iwicontrol iwi0 -r
> Radio is ON
> So, now that the driver is loaded, both if_iwi and acpi_ibm think the
> card is turned on, but there is no firmware loaded.
> Loading a firmware and then using either `ifconfig iwi0 up' or
> `dhclient iwi0' does absolutely nothing.
> I've tried various things with the kernel and BIOS but with no luck.
> here is my uname:
> FreeBSD LIGHTBULB.LOCAL 6.0-RELEASE-p4 FreeBSD 6.0-RELEASE-p4 #19: Mon
> Feb 20 15:06:16 EST 2006
> root at LIGHTBULB.LOCAL:/usr/obj/usr/src/sys/LIGHTBULB i386
> Keep in mind, this also happens on GENERIC.
> So, is this a bug in FreeBSD or a quirk in the laptop? I've pondered
> whether to submit a PR but I'm not sure what exactly is going on
> here. Even disabling the card in the BIOS, acpi_ibm will still
> indicate that wlan is turned on.
> If anyone can clue me in here, please please do so. Until then I'm
> surfing with an atheros card :)
iwi0 works fine here on a Toshiba Tecra laptop, both with if_iwi.ko or
built into the kernel. Since 6.0 Release, now on 6.1 Pre#2.
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