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Date: Thu, 10 May 2012 23:33:58 +0800 Message-ID: (sfid-20120510_173406_318425_BCF4C36D) Subject: Re: how to remove the b43 From: lina To: Julian Calaby Cc: linux-wireless@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu, May 10, 2012 at 11:25 PM, Julian Calaby wrote: > Hi Lina, > > On Fri, May 11, 2012 at 1:00 AM, lina wrote: >> On Thu, May 10, 2012 at 10:25 PM, Julian Calaby wrote: >>> Hi Lina, >>> >>> Firstly, which distribution are you using, is it Ubuntu? Debian? Suse? >>> Fedora? or something else? >> >> Debian, > > I use Debian too, if you're fully up-to-date, all you need to do is > install these packages: > Thanks, I will install the linux-image-amd64. suddenly all things become not so hard, seems. I have spent whole day on it. Before my fglrx-driver even lack the transplant. > One of the linux-image- metapackages, e.g. linux-image-i686 or > linux-image-amd64 > firmware-b43-installer > > Support for your card was included in 3.2, so you should have no > problems using it with the stock Debian kernel. > > There is no need to compile your own kernel unless the stock kernel > doesn't work on your system. > >>> 2. The firmware, this lives in /lib/firmware or wherever your distro >>> puts it and are called ucode*.fw. The firmware is software which runs >>> on the actual wireless card and runs the hardware at a low level. >> >> :/lib/firmware$ ?ls -1 >> 3.2.5mj-lina >> 3.3.5 >> b43 >> >> $ cd 3.3.5/ >> $ ls >> 3com ? ? ? ? bnx2 ? edgeport ? ? korg ? ? ? ? qlogic ? ? ?ti_5052.fw >> ? ? ? ?yamaha >> acenic ? ? ? bnx2x ?emi26 ? ? ? ?matrox ? ? ? r128 ? ? ? ?tigon >> adaptec ? ? ?cis ? ?emi62 ? ? ? ?mts_cdma.fw ?radeon ? ? ?ttusb-budget >> advansys ? ? cpia2 ?ess ? ? ? ? ?mts_edge.fw ?sun ? ? ? ? whiteheat.fw >> atmsar11.fw ?cxgb3 ?kaweth ? ? ? mts_gsm.fw ? tehuti ? ? ?whiteheat_loader.fw >> av7110 ? ? ? e100 ? keyspan_pda ?ositech ? ? ?ti_3410.fw ?yam >> >> another question, why I have so many things under /lib/firmware/3.3.5, > > These files are firmware for other devices, e.g. 3com network cards, > qlogic SCSI cards, etc. I believe that they are all part of the > standard linux-firmware package. > >>>> The reason I want to clear is that today I installed the kernel ?3.3.5, >>>> but still keep the last version 3.2.5 >>>> >>>> I want to clear the b43 related in 3.2.5, and re-install in 3.3.5 >>> >>> Ok, so part 1, the driver, is part of the kernel and will be upgraded >>> when you upgrade your kernel from version 3.2.5 to 3.3.5. >> >> Ha ... I didn't upgrade. I just obtained from kernel.org, not from >> debian repository. >> >> now kept two, is it redundant? maybe just in case. > > You should be fine just installing the kernel images that come with > Debian. Unless you're having a problem with those packages, there is > no need to build your own kernel. > >>> If you are trying option 1, using the stock driver in 3.3.5, then you >>> should have to do _nothing_ other than upgrade the kernel. I strongly >>> recommend doing this unless you require some feature or bug fix that >>> is not present in kernel version 3.3.5. Your distribution should >>> provide a package for obtaining the firmware, I strongly recommend you >>> install it and _leave_it_alone_. >> >> Before strangly it not work in the 3.3.5, or maybe something not >> activate in my network manager, > > If you had deleted the firmware before this, then that will be the > reason why it is not working. > > Otherwise, it's likely that there are errors in the system log, if you > post them here, we might be able to help you fix them. > >> so I came up the idea to remove the one in 3.2.5, I didn't realize >> it's independent from kernel version until later. >> >> another reason to remove it from 3.2.5 is to reduce the chance of my / >> get saturated. I only give ?666M. > > I'm surprised you are managing to fit an entire Linux system in 666 MB. > > To re-iterate, I strongly recommend that you install the stock kernel > that comes with Debian. There is no need to build your own unless > there is a problem with that kernel. > > To get the firmware for your broadcom wireless card, just install the > firmware-b43-installer package and this will automatically install and > maintain the latest versions of the firmware for you. > > b43-fwcutter and the firmware itself are separate from the kernel and > there is no need to delete them when upgrading. > > Thanks, Best regards, > > -- > Julian Calaby > > Email: julian.calaby@gmail.com > Profile: http://www.google.com/profiles/julian.calaby/ > .Plan: http://sites.google.com/site/juliancalaby/