[Bug 337648] Re: [i945] doesn't detect CRT monitor

Geir Ove Myhr gomyhr at gmail.com
Mon Mar 9 01:18:46 UTC 2009


** Summary changed:

- doesn't detect CRT monitor
+ [i945] doesn't detect CRT monitor

** Description changed:

  Binary package hint: xserver-xorg-video-intel
  
  Hello
  i'm using ubuntu 8.04.2 on an asus eee box 202 with intel gma945. the box is running completely headless as a home server. the only time i was using a monitor and a keyboard with it was when i installed ubuntu on it, since then it is running with vnc and ssh.
  yesterday there were some updates, i noticed there were new restricted drivers too.
  after the update the system rebooted, and i could not connect to it anymore.
  so i took a spare crt monitor and a keyboard, connected to the box, and i saw, that when it tries to start the xserver, it fails. switches the monitor on/off every 5 seconds. i assume it tries to use a display mode or refresh that is out of range.
  digging out the xorg logs, i saw the reason: "SDVO reports failed to sync" (or something) so it apparently doesn't thetect the monitor or just ignores the ddc/edid info and tries to use a bad display mode.
  i was using a dvi->vga adapter, since the monitor has a vga (dsub) connector and the box only has a dvi conector.
  the driver reports the card is dual monitor capable, which is probably true for this chipset, but not for this computer: it only has one dvi connector.
  i remember when i was installing ubuntu, i used a lcd flat display, it didn't work either: the driver didn't detect the proper resolution and refresh. furthermore, it was thinking, it is a dual monitor setup and was detecting the connected dispaly as secondary...
+ 
+ [lspci]
+ 00:00.0 Host bridge [0600]: Intel Corporation Mobile 945GME Express Memory Controller Hub [8086:27ac] (rev 03)
+ 	Subsystem: Intel Corporation Mobile 945GME Express Memory Controller Hub [8086:27ac]
+ 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GME Express Integrated Graphics Controller [8086:27ae] (rev 03) (prog-if 00 [VGA controller])
+ 	Subsystem: ASUSTeK Computer Inc. Unknown device [1043:1252]

** Tags added: 945gme

** Tags removed: needs-lspci-vvnn

-- 
[i945] doesn't detect CRT monitor
https://bugs.launchpad.net/bugs/337648
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