On Fri, 5 Jul 2002, Meelis Roos wrote: > I have compiled latest XFree CVS snapshot (as of today, 4.2.99.1) on a Sun > Blade 100 (sparc64) running Linux 2.4.19-rc1 (Debian 3.0). 32-bit > userspace. X compiles (with a couple of tricks, __udivdi3 etc, will submit > a patch after I have overlooked it) and installs. But starting X makes the > screen go blank, then the monitor displays 'Invalid sync freq.'. Switching > back to text console brings the picture back & I can stop X. > The card is onboard ATI Rage XL. X is configured for it, config taken from > working XFree 4.1 and slightly modified. > TThe main suspect differences between working (4.1.0-17 Debian package) > and nonworking XFree logs: > +(II) ATI(0): Engine XCLK 48.462 MHz; Refresh rate code 7. > (--) ATI(0): Internal programmable clock generator detected. > -(--) ATI(0): Reference clock 315/11 (28.636) MHz. > +(--) ATI(0): Reference clock 157.5/11 (14.318) MHz. > (II) ATI(0): Generic Monitor: Using hsync range of 30.00-69.00 kHz > (II) ATI(0): Generic Monitor: Using vrefresh range of 50.00-100.00 Hz > -(II) ATI(0): Maximum clock: 193.00 MHz > -(II) ATI(0): Not using default mode "1280x960" (hsync out of range) > -(II) ATI(0): Not using default mode "1280x1024" (hsync out of range) > -(II) ATI(0): Not using default mode "1280x1024" (hsync out of range) > -(II) ATI(0): Not using default mode "1600x1200" (hsync out of range) > -(II) ATI(0): Not using default mode "1600x1200" (hsync out of range) > -(II) ATI(0): Not using default mode "1600x1200" (hsync out of range) > +(II) ATI(0): Maximum clock: 96.00 MHz > I suspect the half frequency clock to be the main culprit. What can I do > to check it and how can I work around / fix it? > Relevant info from XF86Config-4: > Section "Device" > Identifier "Generic Video Card" > Driver "ati" > EndSection To this "Device" section, add Option "ReferenceClock" "28.686MHz" I can't remember off-hand whether or not the quotes are required on the value. Also, 29.5 MHz is likely a more accurate value for the XL. Marc. +----------------------------------+-----------------------------------+ | Marc Aurele La France | work: 1-780-492-9310 | | Computing and Network Services | fax: 1-780-492-1729 | | 352 General Services Building | email: tsi@ualberta.ca | | University of Alberta +-----------------------------------+ | Edmonton, Alberta | | | T6G 2H1 | Standard disclaimers apply | | CANADA | | +----------------------------------+-----------------------------------+ XFree86 Core Team member. ATI driver and X server internals. _______________________________________________ Newbie@XFree86.Org *** To unsubscribe , or change message options, see: http://XFree86.Org/mailman/listinfo/newbie
