# Not a server crash or system lockup. severity 268432 normal tag 268432 + upstream retitle 268432 xserver-xfree86: [s3] monitor goes into powersave when depth 24 used on 86c764/765 [Trio32/64/64V+] rev 68 thanks On Fri, Aug 27, 2004 at 04:59:51PM +0200, Wolfgang Jeltsch wrote: > When I start the X server from the shell by typing "X", it puts the monitor > into powersave mode. The reason for this could also be that the video mode > chosen by X is not acceptable for the monitor. > > I use an S3 Trio 64V+ with an Scott monitor by Zulauf Display GmbH, Germany. > Other hardware I use includes two NE2000-compatible PCI Ethernet cards, a > sound card which uses the es1371 kernel module, a Microsoft Natural Keyboard > Pro and a IMPS/2-compatible wheel mouse. Both the keyboard and the mouse are > attached via USB. I use kernel 2.4.18-bf24 from woody. > > The problem occurs with and without X configured to use the framebuffer > device. The X server settings are (at least, approximately) those, I use > for woody. Especially, the settings for horizontal and vertical sync > ranges are exactly those, I have always used on woody and are exactly those > given in my monitor's documentation. Under woody, I use xserver-s3, version > 3.6. Everything works fine there. [...] > (--) PCI:*(0:17:0) S3 Inc. 86c764/765 [Trio32/64/64V+] rev 68, Mem @ 0xe4000000/26, BIOS @ 0xe8000000/16 On Fri, Aug 27, 2004 at 06:23:22PM +0200, Wolfgang Jeltsch wrote: > I checked the configuration of my woody xserver-s3 (which has version 3.3.6, > of course, not 3.6 as I told you) and discovered that I use only a color > depth of 16 there. So the configuration of xserver-xfree86 4.3.0 was not so > close to my woody configuration as I suggested. Sorry. > > When I change the depth to 24 under woody, xserver-s3 shows me "No valid modes > found.". So obviously the lack of suitable 24 bit color depth modes leads to > the problem with sarge's xserver-xfree86. I changed the color depth to 16 > under sarge and it worked. > > Here is a complete overview of the results when trying the two different X > servers with the color depths 16 and 24: > > xserver-s3, version 3.3.6 (woody) with color depth 16: > works fine > > xserver-s3, version 3.3.6 (woody) with color depth 24: > shows "No valid modes found." > > xserver-xfree86, version 4.3.0 (sarge) with color depth 16: > works fine > > xserver-xfree86, version 4.3.0 (sarge) with color depth 24: > sends monitor to powersave mode (or chooses a video mode, the monitor > cannot handle) > > I would say, of course, that xserver-xfree86 4.3.0 should also give an error > message instead of sending the monitor asleep. ;-) Sorry it has taken a while to get back to you about this. It's probably trying to drive the monitor at a frequency the monitor doesn't like. Do you have the monitor configured as per the manufacturer's recommendations? -- G. Branden Robinson | Intellectual property is neither Debian GNU/Linux | intellectual nor property. branden@debian.org | Discuss. http://people.debian.org/~branden/ | -- Linda Richman
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