[Bug 1004611] Re: no display output from i7-620LE "Arrandale" built-in Intel Graphics Device

[s p e x]

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Title:
  no display output from i7-620LE "Arrandale" built-in Intel Graphics
  Device

Status in “plymouth” package in Ubuntu:
  New

Bug description:
  I have worked on A LOT of trial and error (even trying experimental
  3.4.x drm kernels with 12.04) for this problem.

  However, 10.10's LiveCD seems to be a sweet spot where I have some of
  the problem (no video for plymouth) but not all of the problem, X
  comes up.

  Any of the newer releases both Plymouth and Xorg fail.

  I do get this error on for 10.10, 11.04, 11.10, and 12.04:

  [drm:intel_crtc_mode_set] *ERROR* Couldn't find PLL settings for mode!
  [drm:drm_crtc_helper_set_config] *ERROR* failed to set mode on crtc ffff88021161a000
  [drm:drm_fb_helper_restore] *ERROR* Failed to restore crtc configuration
  [drm:intel_crtc_mode_set] *ERROR* Couldn't find PLL settings for mode!
  [drm:drm_crtc_helper_set_config] *ERROR* failed to set mode on crtc ffff88021161a000
  [drm:drm_fb_helper_restore] *ERROR* Failed to restore crtc configuration

  But perhaps that's a red herring. Since that error is present here in
  10.10, and yet X is running.

  That error led me to this bug:
  https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/814895
  and I even tried the kernel mentioned there (with 12.04) but I still didn't get any video.

  Perhaps this is the problem? (dual channel LVDS issue)
  http://lists.freedesktop.org/archives/intel-gfx/2010-January/005643.html

  Ultimately I'd like to be runing 12.04LTS. But it seems like I'm stuck
  at 10.10.

  ProblemType: Crash
  DistroRelease: Ubuntu 10.10
  Package: plymouth 0.8.2-2ubuntu5
  ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
  Uname: Linux 2.6.35-22-generic x86_64
  Architecture: amd64
  AssertionMessage: plymouthd: ./ply-renderer-i915-driver.c:328: begin_flush: Assertion `buffer != ((void *)0)' failed.
  Date: Fri May 25 17:50:03 2012
  DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  LiveMediaBuild: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  ProcCmdLine: file=/cdrom/preseed/hostname.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
  ProcCmdline: /sbin/plymouthd --mode=boot --attach-to-session
  ProcEnviron: PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  Signal: 6
  SourcePackage: plymouth
  StacktraceTop:
   raise () from /lib/libc.so.6
   abort () from /lib/libc.so.6
   __assert_fail () from /lib/libc.so.6
   ?? () from /lib/plymouth/renderers/drm.so
   ?? () from /lib/plymouth/renderers/drm.so
  TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  Title: plymouthd assert failure: plymouthd: ./ply-renderer-i915-driver.c:328: begin_flush: Assertion `buffer != ((void *)0)' failed.
  UserGroups:
   
  dmi.bios.date: 02/10/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 4.6.3
  dmi.board.name: BM57/BS57/BE57
  dmi.board.vendor: congatec
  dmi.chassis.type: 2
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.3:bd02/10/2011:svn:pn:pvr:rvncongatec:rnBM57/BS57/BE57:rvr:cvn:ct2:cvr:

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