HD4550 DRI issues
Richard Kolkovich
sarumont at sigil.org
Sat Sep 26 00:13:02 UTC 2009
On Fri, Sep 25, 2009 at 04:55:23PM -0500, Robert Noland wrote:
> So, things are all correct at this point... and not much happens between
> here and the userland print that show corrupted values. Basically all
> that happens is an mmap to userspace and print the values from the
> userspace perspective... You're not the first report that I have had of
> this. (It doesn't appear to be r600 related at all, IIRC prior reports
> were on like 9200's) I think it is restricted to PCI/PCI-E radeons,
> though given where it appears to be happening I don't see any reason
> that it couldn't effect other cards as well. I'm really not certain how
> to move forward debugging really, without being able to reproduce it and
> break out into gdb to try and inspect memory. There is something
> "special" about your setup, since this seems to be a relatively rare
> issue. The only other thing that I can think of to do, is to start
> adding a bunch of debugging into the mmap routines, but that is going to
> get really noisy.
>
> robert.
>
Awesome. :-\
If you want to hook up gdb, I can create a shell account for you to do so.
Aside from that, I'm not sure how to proceed. If it's happened on cards as old as 9200s, I
probably won't have much luck with any other radeon card with my current setup.
--
Richard Kolkovich
sarumont at sigil.org
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 196 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-x11/attachments/20090926/d910a9e3/attachment.pgp
More information about the freebsd-x11
mailing list