Subject: Re: hardening pcmcia_cis.c against mapping failures
To: John Kohl <>
From: Martin Husemann <>
List: tech-kern
Date: 06/27/2000 21:41:53

> On my ThinkPad 600E, using the default RBUS address for cardbus blows chunks
> and leads to bogus data reads for the CIS data on a card.  That causes a
> page fault when debugging is not enabled.

I'm seeing the same on a different ThinkPad, but only for some cards.
I've a PR open for this, with a "fix": it inserts a few delays, which
makes the data read OK.

Making it foolproof is another (good) thing. Does the card work with your