[ltp] Re: 2.4 kernels, R40 2272GCU, pcmcia and RAM > 512MB

[Luc Lefebvre]

Hi Frank,

Well, it did it for me also.  I can now access my pcmcia (granted, the kernel doesn't recognize card insertions and removals but cardctl insert and remove works fine) cards.

Thanks for the pointer.

cheers

> Date: Tue, 11 Nov 2003 10:35:48 +0100
> From: "Frank Schaeckermann" <p8f9oz9d02@sneakemail.com>
> To: linux-thinkpad@linux-thinkpad.org
> Subject: Re: [ltp] 2.4 kernels, R40 2272GCU, pcmcia and RAM > 512MB
> Reply-To: linux-thinkpad@linux-thinkpad.org
> 
> Luc,
> I have had a similar problem with my T40p with 1.5GB memory and came 
> across this article:
> 
> http://www.ussg.iu.edu/hypermail/linux/kernel/0306.3/0956.html
> 
> which solved the problem for me! I can't use any binary kernel on my 
> T40p due to this - but what is Linux about if not doing a kernel compile 
> every once in a while *grin*
> 
> Regards, Frank
> 
> Luc Lefebvre luc.lefebvre-at-mcgill.ca |Linux on ThinkPads| wrote:
> > Hi,
> > 
> > I have been struggling for a couple of weeks trying to get pcmcia to
> > work on my new Thinkpad R40 model 2272GCU.  With the help of Libranet
> > support (a commercial debian based distribution) I was able to narrow
> > the problem down to having more than 512MB of RAM.
> > 
> > If I use the laptop with 512MB of RAM and kernel 2.4.22 (vanilla + ac4
> > patches) I have pcmcia functionality but (as others have pointed out)
> > autorecognition at insertion does not work (cardctl insert 0, and
> > cardctl eject 0, work).  I tried with 512Mb + 256MB and no dice, the
> > same with 1GB.
> > 
> > I then tried kernel 2.4.22 with no pcmcia support and pcmcia-cs modules
> > (v3.2.5).  There, I need to restart pcmcia after boot with a card in the
> > slot.  Subsequently card insertion and ejection are autorecognized and
> > the cardinfo and cardctl work as expected.  This applies to 512MB of
> > RAM.  This also fails with more than 512MB of RAM.
> > 
> > Anyone have suggestions as to how I could correct for this, or where I
> > should address this question if this were not the appropriate forum?
> > 
> > Anyone have experience with 2.6 kernels or other patches on 2.4?
> > 
> > tia
-- 
Luc Lefebvre

In the beginner's mind there are many possibilities,
in the expert's mind there are few.			<Shunryu Suzuki>

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