On 21/02/2013, Barry Drake <[email protected]> wrote:
> Hi there .... If any of you are using the AMD fglrx driver you might be
> interested in this. The driver is fine under 12.10 and earlier, but
> under 13.04 Raring the driver works perfectly but gives an annoying
> transparent message in the lower right screen saying 'AMD Unsupported
> Hardware'. The search engines tell me that this problem exists in every
> Ubuntu upgrade until the driver developers get around to recognising the
> new version of Ubuntu - which can take a while..
>
> Two workarounds are offered. The one that uses 'sed' simply breaks the
> current version and needs fglrx removing using the commandline, in order
> to rescue the system. An elegant solution that works for me is to
> simply replace the file 'control' in /etc/ati/ with the one from an
> earlier Ubuntu version (in my case, 12.10). /etc/ati/ is a symlink -
> the full path on my installation is
> /etc/alternatives/i386-linux-gnu_ati_conf I have saved a copy of
> 'control' as I assume that the annoyance will come back with the next
> kernel upgrade.
>
There are two watermarks that generally appear: "Unsupported Hardware"
and "Testing Use Only". You're right, for "Unsupported Hardware" you
need a control file from a driver version that lists your card as
supported (which is a more fully-tested driver version). For "Testing
Use Only" you need an /etc/ati/signature from a signed release.
Bear in mind this isn't affected by a kernel upgrade, only by a new
driver package. It's still worth keeping a copy of the last known good
fglrx .debs locally, though, not only for things like extracting
patches for use with the AMD releases, but as a failsafe!
If you are running beta versions of fglrx on Raring there are a couple
of threads that are worth visiting. One is my own on ubuntuforums.org
("fglrx on raring") which should be up-to-date with the latest
release. The other is the "AMD Bar and Grill" on the Arch forums.
Vi0l0 is particularly good at keeping their packages current.
J
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