Date: Sun, 26 Jun 2005 17:55:10 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: eta@lclark.edu Cc: cracauer@cons.org, freebsd-current@freebsd.org, adamk@voicenet.com Subject: Re: 6.0-current panic: loading radeon module Message-ID: <20050626.175510.78315080.imp@bsdimp.com> In-Reply-To: <1119829345.3817.62.camel@leguin> References: <1119816026.3817.20.camel@leguin> <20050626191956.A59922@cons.org> <1119829345.3817.62.camel@leguin>
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In message: <1119829345.3817.62.camel@leguin>
Eric Anholt <eta@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
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