Re: 6.0-current panic: loading radeon module

From: M. Warner Losh <imp_at_bsdimp.com>
Date: Sun, 26 Jun 2005 17:55:10 -0600 (MDT)
In message: <1119829345.3817.62.camel_at_leguin>
            Eric Anholt <eta_at_lclark.edu> writes:
: On Sun, 2005-06-26 at 19:19 -0400, Martin Cracauer wrote:
: > > OK, one more try, for everyone who's been having hangs/reboots on X
: > > startup since April.  Attached is a patch that will hopefully kill the
: > > problem off.
: > 
: > The candidate gets 100 points.  It fixes the panic and hardware 3D
: > worked for a few tests.  No other side effects observed.  Thanks so
: > much!
: > 
: > Out of curiosity, why does a 32 MB VRAM card try to map 128 MB?
: 
: Do you only had 32MB?  If so, oops on my part.  Every other case of this
: I had seen was 128MB, so I was just assuming.  Basically the issue
: (afaik) is that you're running out of KVA because framebuffers are large
: and KVA isn't all that huge.  pmap_mapdev was not designed to handle
: failure to allocate memory, so it just paniced instead of returning NULL
: (which wouldn't have helped us anyway, due to other issues).

Yes.  I believe that's correct...

Warner
Received on Sun Jun 26 2005 - 21:56:35 UTC

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