[Workaround-ed] Fedora 11: power-on the Broadcom BCM4312 WiFi causes kernel panic with system freeze after some delay

Athmane Madjoudj athmanem at gmail.com
Wed Oct 28 19:45:08 UTC 2009


On Wed, Oct 28, 2009 at 8:30 PM, John W. Linville <linville at redhat.com> wrote:
> On Wed, Oct 28, 2009 at 07:54:02PM +0100, Athmane Madjoudj wrote:
>> On Tue, Oct 27, 2009 at 6:03 PM, Athmane Madjoudj <athmanem at gmail.com> wrote:
>> > Hello all,
>> >
>> > I have Fedora 11 i386 with latest update, my system freezes after some
>> > delay (about 3mn) with kernel panic, i have a HP Compaq 6730s
>> > (freedos) with Broadcom BCM4312, i get the driver and firmware from
>> > RPMFusion repo
>> >
>> > kmod-wl-5.10.91.9-4.fc11.3.i586
>> > broadcom-wl-5.10.91.9
>> >
>> > When i power-off the wifi (from laptop button) the problem doesn't raise.
>> >
>> > NB:
>> > Before, i didn't have this problem on Fedora 10
>> >
>> > Best regards.
>> >
>> > --
>> > Athmane Madjoudj
>> >
>>
>> The problem appear to be a driver bug, since when i reconfigured my
>> router with WEP (it was WPA2) everything is stable, no freezes or
>> kernel panics.
>
> Good luck getting Broadcom to fix it...
>
> Hopefully with a 2.6.31 or later kernel your BCM4312 device will work
> without needing to use the "wl" driver.
>
> John
> --
> John W. Linville                Linux should be at the core
> linville at redhat.com                     of your literate lifestyle.
>
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#lspci -nn
...
02:00.0 Network controller [0280]: Broadcom Corporation BCM4312
802.11b/g [14e4:4315] (rev 01)
...

is this chip is supported by bcm43xx or b43 kernel driver? (i tried
b43,i have extracted the propriety firmware to the right dir, but i
can't get it work.

#dmesg
...
Oct 27 20:24:15 athmane kernel: b43-pci-bridge 0000:02:00.0: PCI INT A
-> GSI 17 (level, low) -> IRQ 17
Oct 27 20:24:15 athmane kernel: b43-phy0: Broadcom 4312 WLAN found
(core revision 15)
Oct 27 20:24:15 athmane kernel: b43-phy0 ERROR: FOUND UNSUPPORTED PHY
(Analog 6, Type 5, Revision 1)
Oct 27 20:24:15 athmane kernel: b43: probe of ssb0:0 failed with error -95
...

#uname -r
2.6.30.9-90.fc11.i586

Best regards.
-- 
Athmane Madjoudj




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