how to uninstall the b43 and reinstall

DISCUSSION lina 3 participants 5 messages Jan 6, 2012 – Jan 7, 2012

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Larry Finger

2012-01-06 15:51 UTC #1 lore raw

Quoted 33 lines · lina

Hi,
a quick question, how to clear the b43?
a detailed background stories as following:
I installed the b43 following the advice given by list, mainly from
http://linuxwireless.org/en/users/Drivers/b43
it WORKED.
but yesterday I removed the old kernel 3.2-rc6, which is the one b43 worked, and installed the 3.2 from kernel.org. I guess it's latest, than 3.2-rc6 ?
I don't know how to remove the b43 since the trial of make uninstall in pathTo/b43-fwcutter-015 not work.
so I just did something like make install again, and then
1
<http://linuxwireless.org/en/users/Drivers/b43#CA-d6bf7044c28bbe20619873aa0dd5f8faa0864c61_1>
export FIRMWARE_INSTALL_DIR="/lib/firmware"
2
<http://linuxwireless.org/en/users/Drivers/b43#CA-d6bf7044c28bbe20619873aa0dd5f8faa0864c61_2>
wget http://www.lwfinger.com/b43-firmware/broadcom-wl-5.100.138.tar.bz2
3
<http://linuxwireless.org/en/users/Drivers/b43#CA-d6bf7044c28bbe20619873aa0dd5f8faa0864c61_3>
tar xjf broadcom-wl-5.100.138.tar.bz2
4 sudo b43-fwcutter -w "$FIRMWARE_INSTALL_DIR" broadcom-wl-5.100.138/linux/wl_apsta.o

Quoted 8 lines

dmesg showed me:

[ 127.434017] cfg80211: Calling CRDA to update world regulatory domain
[ 127.704793] b43-phy0: Broadcom 4331 WLAN found (core revision 29)
[ 127.704821] bcma: Switched to core: 0x812
[ 127.705237] b43-phy0 ERROR: FOUND UNSUPPORTED PHY (Analog 9, Type 7, Revision 1)
[ 127.705244] b43: probe of bcma0:0 failed with error -95
[ 127.705260] Broadcom 43xx driver loaded [ Features: PMNLS ]
[ 431.367724] applesmc: FS! : read arg fail

You are very confused. The only thing you can "uninstall" is the firmware cutter. The driver b43 is part of the kernel. Installing a new kernel gets you a new version.

Your problem with the 4331 is that you are getting your kernel from the wrong source. If you want to run that device with 4331, you need code that will not be in a mainline kernel until 3.3-rc1, which will not be available for about 2 weeks. The kernel you need is the one found in the git tree of wireless-testing, or you need to build a recent compat-wireless package. I suspect that is what you did with 3.2-rc6.

Larry

lina

author

2012-01-06 16:58 UTC #2 lore raw

Quoted 43 lines · Larry Finger

Quoted 33 lines · lina
Hi,
a quick question, how to clear the b43?
a detailed background stories as following:
I installed the b43 following the advice given by list, mainly from
http://linuxwireless.org/en/users/Drivers/b43
it WORKED.
but yesterday I removed the old kernel 3.2-rc6, which is the one b43 worked, and installed the 3.2 from kernel.org. I guess it's latest, than 3.2-rc6 ?
I don't know how to remove the b43 since the trial of make uninstall in pathTo/b43-fwcutter-015 not work.
so I just did something like make install again, and then
1
<http://linuxwireless.org/en/users/Drivers/b43#CA-d6bf7044c28bbe20619873aa0dd5f8faa0864c61_1>
export FIRMWARE_INSTALL_DIR="/lib/firmware"
2
<http://linuxwireless.org/en/users/Drivers/b43#CA-d6bf7044c28bbe20619873aa0dd5f8faa0864c61_2>
wget http://www.lwfinger.com/b43-firmware/broadcom-wl-5.100.138.tar.bz2
3
<http://linuxwireless.org/en/users/Drivers/b43#CA-d6bf7044c28bbe20619873aa0dd5f8faa0864c61_3>
tar xjf broadcom-wl-5.100.138.tar.bz2
4 sudo b43-fwcutter -w "$FIRMWARE_INSTALL_DIR" broadcom-wl-5.100.138/linux/wl_apsta.o
Quoted 8 lines
dmesg showed me:
[ 127.434017] cfg80211: Calling CRDA to update world regulatory domain
[ 127.704793] b43-phy0: Broadcom 4331 WLAN found (core revision 29)
[ 127.704821] bcma: Switched to core: 0x812
[ 127.705237] b43-phy0 ERROR: FOUND UNSUPPORTED PHY (Analog 9, Type 7, Revision 1)
[ 127.705244] b43: probe of bcma0:0 failed with error -95
[ 127.705260] Broadcom 43xx driver loaded [ Features: PMNLS ]
[ 431.367724] applesmc: FS! : read arg fail

Quoted 1 line

You are very confused. The only thing

You are right. I'm lost. And I'm the person who never learned how to read map. I mean in daily life, I have map in hand, GPS. But sometimes I can only find the way by asking people. Sigh ...

Quoted 3 lines

you can "uninstall" is the firmware cutter. The driver b43 is part of the kernel. Installing a new kernel gets you a new version.
Your problem with the 4331 is that you are getting your kernel from the wrong source. If you want to run that device with 4331, you need code that will not be in a mainline kernel until 3.3-rc1, which will not be available for about 2 weeks. The kernel you need is the one found in the git tree of wireless-testing, or you need to build a recent compat-wireless package. I suspect that is what you did with 3.2-rc6.

Yes, did remove old kernel also removed my old built compact-wireless? Sorry im not in front of computer. Just check email by phone.

Thanks,

Quoted 4 lines

Larry

Larry Finger

2012-01-06 17:26 UTC #3 lore raw

Quoted 2 lines · lina

Yes, did remove old kernel also removed my old built compact-wireless? Sorry im not in front of computer. Just check email by phone.

Kernel modules must be built for the kernel you are using. Yes, switching from 3.2-rc6 to 3.2 removed compat-wireless. Reinstall it under kernel v3.2, and your 4313 will work again.

Larry

Rafał Miłecki

2012-01-07 08:34 UTC #4 lore raw

2012/1/6 Larry Finger <[email protected]>:

Quoted 9 lines · lina

Quoted 3 lines
Yes, did remove old kernel also removed my old built compact-wireless? Sorry im not in front of computer. Just check email by phone.
Kernel modules must be built for the kernel you are using. Yes, switching from 3.2-rc6 to 3.2 removed compat-wireless. Reinstall it under kernel v3.2, and your 4313 will work again.

3.2-rc6 is enough actually. It's just matter of enabling HT-PHY support:
B43_PHY_HT

Signature · 1 line

Rafał