[Bug 38478] r600g fails to identify the screen refresh rate

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat Aug 13 16:06:23 PDT 2011


Stephen Kitt <steve at sk2.org> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID

--- Comment #6 from Stephen Kitt <steve at sk2.org> 2011-08-13 16:06:22 PDT ---
I've just figured out what was going on - I noticed after rebooting (to check
whether the bug was fixed in 3.0) that the IRQ used by my Radeon card was
disabled. It's shared with some of the USB ports and an interrupt arrives
before all the drivers have initialised correctly. Reloading the uhci-hcd
module re-enables the interrupt and restores full functionality!

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