http://bugs.freedesktop.org/show_bug.cgi?id=17210
Summary: coloured horizonal lines on RS690
Product: xorg
Version: unspecified
Platform: Other
URL: https://bugs.launchpad.net/bugs/257392
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Driver/Radeon
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
QAContact: [EMAIL PROTECTED]
Originally reported in Ubuntu: "Funky blinking coloured lines horizontally on
the screen. Appears at log in and on the desktop."
This was not a problem in Hardy (radeon 6.8.0), but came with Intrepid (radeon
6.9.0). Same with current git. I suspect it is a PLL issue. The logs are
different:
Intrepid (bad):
freq: 69300000
best_freq: 69298571
best_feedback_div: 813
best_ref_div: 12
best_post_div: 14
(II) RADEON(0): crtc(0) Clock: mode 69300, PLL 69290
(II) RADEON(0): crtc(0) PLL : refdiv 12, fbdiv 0x32D(813), pdiv 14
Hardy (good):
freq: 69300000
best_freq: 69313613
best_feedback_div: 1152
best_ref_div: 14
best_post_div: 17
(II) RADEON(0): crtc(0) Clock: mode 69300, PLL 69310
(II) RADEON(0): crtc(0) PLL : refdiv 14, fbdiv 0x480(1152), pdiv 17
See Ubuntu bug for screenshots, for example
http://launchpadlibrarian.net/16911957/IMG_0696.JPG
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