Bug#606340: "No devices detected" since upgrade to xserver-xorg-video-intel 2:2.13.0-4

[Matteo Cypriani <mcy@lm7.fr>]

On Thu, 9 Dec 2010 13:02:40 +0100, Julien Cristau wrote:
> Please show the output of
> dpkg -s udev

Package: udev
Status: install ok installed
Priority: important
Section: admin
Installed-Size: 1508
Maintainer: Marco d'Itri <md@linux.it>
Architecture: amd64
Version: 164-2
Depends: libc6 (>= 2.8), libselinux1 (>= 1.32), libusb-0.1-4 (>=
2:0.1.12), libudev0 (= 164-2), lsb-base (>= 3.0-6), util-linux (>= 2.16)
Pre-Depends: debconf (>= 1.4.69) | debconf-2.0
Recommends: usbutils, pciutils
Breaks: consolekit (<< 0.4.1), dmsetup (<< 2.02.51-1), libsane (<<
1.0.21-3), linux-image-2.6-amd64 (<< 2.6.28), linux-image-2.6-openvz-amd64
(<< 2.6.28), linux-image-2.6-vserver-amd64 (<< 2.6.28),
linux-image-2.6-xen-amd64 (<< 2.6.28), mdadm (<< 3.0-3)
Conflicts: hal (<< 0.5.6-2), hotplug, initscripts (<< 2.85-16),
klibc-utils (<= 1.4.19-1), libc6 (<< 2.9-22), lvm-common (<< 1.5.13),
makedev (<< 2.3.1-80), module-init-tools (<< 3.2.2-1), multipath-tools (<<
0.4.8-12)
Conffiles:
 /etc/modprobe.d/blacklist.conf 2fbbb8cf58823bc1abf28dfa692370cc
 /etc/modprobe.d/fbdev-blacklist.conf 38c676e0a97ce22c8198e367a55011ed
 /etc/udev/udev.conf 8b024b79a468658332fbf2586737907e
 /etc/udev/links.conf a30361f72b2d414a25612ba41e78f40f
 /etc/init.d/udev a4b100dda69c95b8c22969f4253c67b1
 /etc/init.d/udev-mtab 11de8619c329da118b99da74af24c908
Description: /dev/ and hotplug management daemon
 udev is a daemon which dynamically creates and removes device nodes from
 /dev/, handles hotplug events and loads drivers at boot time.


> And please look for 'install pci:v*d*sv*sd*bc03sc*i* /bin/true' in a
> file in /etc/modprobe.d and report back.

Sorry, I forgot to check that as you asked yesterday.
Here it is:

$ cat /etc/modprobe.d/display_class.conf 
# This directive blacklists all devices which are members of the display
class.
# It has the main effect of preventing udev from autoloading the fb
drivers.

# vendor, device, subsystem_vendor, subsystem_device, class, class, class
install pci:v*d*sv*sd*bc03sc*i* /bin/true

Removing this file solves the problem for me.

As you said yesterday:
$ grep display_class /var/lib/dpkg/info/udev.preinst             
  rm_conffile /etc/modprobe.d/display_class

Maybe the udev postinst script should also remove .conf version of the
files?
It is not impossible however that I manually renamed files to .conf,
because udev was complaining at boot time that files without .conf suffix
were deprecated.

Thanks,

  Matteo