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Bug 702049 - gnome-settings-daemon should cap maximum resolution at 2048 pixels in either dimension on Intel adapters that lose 3D acceleration above this size
gnome-settings-daemon should cap maximum resolution at 2048 pixels in either ...
Status: RESOLVED DUPLICATE of bug 646280
Product: gnome-settings-daemon
Classification: Core
Component: xrandr
3.8.x
Other Linux
: Normal critical
: ---
Assigned To: Debarshi Ray
gnome-settings-daemon-maint
Depends on:
Blocks:
 
 
Reported: 2013-06-12 01:52 UTC by Adam Williamson
Modified: 2013-06-12 09:15 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description Adam Williamson 2013-06-12 01:52:31 UTC 
Reported downstream at https://bugzilla.redhat.com/show_bug.cgi?id=927327 .

The first few generations of Intel 9xx adapter can only do 3D acceleration so long as the overall display resolution (of all monitors combined) does not exceed 2048 pixels in either dimension.

If you have a running GNOME session and you add or re-organize displays such that you exceed this limit, things go pear-shaped in a hurry. According to the X devs, transparently falling back to llvmpipe rendering when this happens is technically difficult and not feasible in the short term, so GNOME should be aware of the affected hardware and refuse to let you exceed the limit.

ajax should be able to provide details of how to identify the affected hardware.
Comment 1 Bastien Nocera 2013-06-12 09:15:59 UTC 
Thanks for the bug report. This particular bug has already been reported into our bug tracking system, but please feel free to report any further bugs you find.

*** This bug has been marked as a duplicate of bug 646280 ***