On Sun, 2011-07-17 at 20:54 +0100, postbote2009-deb...@yahoo.com wrote: > Hello, > > since upgrading the squeeze kernel from 2.6.26-2-686 to 2.6.32-5-686 I > ´ve been unable to boot my HP D510S/845G without attached monitor. > > If a monitor is attached, booting is successful, if the monitor is > disconnected, booting hangs. > > Attached are the bootlogs from a successful and a failed boot as well > a kernel log from a successful boot - unfortunately, without an > attached monitor there is no kernel log. > > I suspect an interaction between xserver-xorg and the new kernel, as > booting without monitor is successful when deinstalling the > xserver-xorg package.
This is probably related to configuring video output in the kernel video drivers (KMS) instead of in X video drivers. KMS is disabled by default in the 'squeeze' kernel versions, for compatibility with older versions of the X video drivers. The new version of the X video driver (xserver-xorg-video-intel) works with KMS and installs a configuration file that enables it. You can try disabling it by removing the file /etc/modprobe.d/i915-kms.conf, but I don't think the X video driver will work. Which version of xserver-xorg-video-intel did you install? > Are there any kernel options to enable booting without monitor? There is no such option, because that should always work. Ben. -- Ben Hutchings Absolutum obsoletum. (If it works, it's out of date.) - Stafford Beer
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