[Bug 13426] booting with Prism2/2.5 PCMCIA card inserted crashes hard (fwd)

wim at djo.tudelft.nl wim at djo.tudelft.nl
Thu Jan 21 18:27:09 EST 2010


Hello Jouni,

are you still involved in the hostap kernel driver?
You might be interested in the following.

> http://bugzilla.kernel.org/show_bug.cgi?id=13426
> --- Comment #11 from Wim Osterholt <wim at djo.tudelft.nl>  2010-01-21 23:10:59 ---
> bugzilla-daemon at bugzilla.kernel.org zei ooit: 
> >Date: Wed, 3 Jun 2009 03:42:47 GMT
> >Subject: [Bug 13426] booting with Prism2/2.5 PCMCIA card inserted crashes hard
> >In-Reply-To: <bug-13426-4844 at http.bugzilla.kernel.org/>
> >
> > http://bugzilla.kernel.org/show_bug.cgi?id=13426
> > 
> > 
> > Andrew Morton <akpm at linux-foundation.org> changed:
> > 
> >            What    |Removed                     |Added
> > ----------------------------------------------------------------------------
> >                  CC|                            |daniel.ritz at gmx.ch
> > 
> > --- Comment #8 from Andrew Morton <akpm at linux-foundation.org>  2009-06-03 03:42:45 ---
> >
> > OK, thanks.  It is indeed a PCMCIA bug.  Looks like we died in
> > pcmcia_request_configuration().
> > 
> 
> I'd say more specificly it's a hostap bug. Two bugs actually, because I
> don't see their relationship.
> 
> The second bug, as recently reported, causes always a system crash when
> inserting a PCMCIA card that loads hostap_cs, only if CONFIG_DEBUG_SHIRQ
> is set. (It does not happen when inserting other cards.)
> 
> The first bug, as reported earlier, causes a system crash when a hostap_cs
> loading card is present at boot time. Inserting the card after that point
> in the boot stage will also cause a hard crash. Apparently there are several
> places in the boot sequence where it is dangerous to have the card inserted.
> Inserting at the login prompt always seems to be safe.
> This bug now appears present as soon as CONFIG_ISA is set!
> 
> Unfortunately I must have ISA selected on my Thinkpad because the sound chip
> is ISA based.   (My Dell is 'ISA free'.)
> 
> Regards,
> Wim Osterholt.
> 

Regards, Wim.


----- wim at djo.tudelft.nl -----




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