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[Yann Simon <yann.simon.fr@xxxxxxxxx>]

Public bug reported:

Binary package hint: xorg

Starting with KMs enabled with intel 82945G and uptart leads to
following stack trace:

Jun 11 14:39:57 unicorn kernel: [   32.384805] ------------[ cut here ]------------
Jun 11 14:39:57 unicorn kernel: [   32.384828] WARNING: at /home/kernel-ppa/mainline/build/drivers/gpu/drm/i915/i915_gem.c:3840 i915_gem_idle+0x259/0x270 [i915]()
Jun 11 14:39:57 unicorn kernel: [   32.384833] Hardware name: OptiPlex GX620               
Jun 11 14:39:57 unicorn kernel: [   32.384835] Modules linked in: i915 drm i2c_algo_bit binfmt_misc video output lp snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event pcmcia snd_seq iTCO_wdt iTCO_vendor_support intel_agp ppdev psmouse snd_timer snd_seq_device dcdbas yenta_socket rsrc_nonstatic pcmcia_core parport_pc parport serio_raw agpgart snd soundcore snd_page_alloc usbhid tg3
Jun 11 14:39:57 unicorn kernel: [   32.384884] Pid: 2479, comm: Xorg Not tainted 2.6.30-020630-generic #020630
Jun 11 14:39:57 unicorn kernel: [   32.384887] Call Trace:
Jun 11 14:39:57 unicorn kernel: [   32.384902]  [<f849d979>] ? i915_gem_idle+0x259/0x270 [i915]
Jun 11 14:39:57 unicorn kernel: [   32.384912]  [<c013b7fc>] warn_slowpath_common+0x7c/0xa0
Jun 11 14:39:57 unicorn kernel: [   32.384925]  [<f849d979>] ? i915_gem_idle+0x259/0x270 [i915]
Jun 11 14:39:57 unicorn kernel: [   32.384931]  [<c013b835>] warn_slowpath_null+0x15/0x20
Jun 11 14:39:57 unicorn kernel: [   32.384945]  [<f849d979>] i915_gem_idle+0x259/0x270 [i915]
Jun 11 14:39:57 unicorn kernel: [   32.384964]  [<f849da07>] i915_gem_leavevt_ioctl+0x27/0x40 [i915]
Jun 11 14:39:57 unicorn kernel: [   32.384985]  [<f843936e>] drm_ioctl+0x14e/0x370 [drm]
Jun 11 14:39:57 unicorn kernel: [   32.384992]  [<c02cb5ff>] ? cpumask_any_but+0x1f/0x40
Jun 11 14:39:57 unicorn kernel: [   32.385006]  [<f849d9e0>] ? i915_gem_leavevt_ioctl+0x0/0x40 [i915]
Jun 11 14:39:57 unicorn kernel: [   32.385012]  [<c0122518>] ? arch_flush_lazy_mmu_mode+0x8/0x40
Jun 11 14:39:57 unicorn kernel: [   32.385017]  [<c0127d32>] ? kunmap_atomic+0x72/0x90
Jun 11 14:39:57 unicorn kernel: [   32.385025]  [<c01abfdc>] ? do_wp_page+0xbc/0x760
Jun 11 14:39:57 unicorn kernel: [   32.385031]  [<c015cfd6>] ? tick_dev_program_event+0x36/0xb0
Jun 11 14:39:57 unicorn kernel: [   32.385037]  [<c01ad1a3>] ? handle_mm_fault+0x233/0x260
Jun 11 14:39:57 unicorn kernel: [   32.385044]  [<c01d404c>] vfs_ioctl+0x6c/0x80
Jun 11 14:39:57 unicorn kernel: [   32.385048]  [<c01d42d2>] do_vfs_ioctl+0x62/0x150
Jun 11 14:39:57 unicorn kernel: [   32.385054]  [<c0291ce0>] ? security_file_ioctl+0x10/0x20
Jun 11 14:39:57 unicorn kernel: [   32.385058]  [<c01d4413>] sys_ioctl+0x53/0x70
Jun 11 14:39:57 unicorn kernel: [   32.385063]  [<c0102ebc>] sysenter_do_call+0x12/0x28
Jun 11 14:39:57 unicorn kernel: [   32.385067] ---[ end trace db500cae0dc68f84 ]---

If I start in "recover" mode, and then resume booting, everything works.
Gdm appears, I can login, and KMS is enabled (the resolution of the
virtual terminals is higher).

ProblemType: Bug
Architecture: i386
CurrentDmesg:
 [   21.845584] [drm] DAC-6: set mode 1024x768 2a
 [   21.845589] [drm] TMDS-8: set mode 1024x768 2a
 [   23.736009] eth0: no IPv6 routers present
 [   37.140324] [drm] TMDS-8: set mode  29
Date: Fri Jun 12 14:27:51 2009
DistroRelease: Ubuntu 9.10
MachineType: Dell Inc. OptiPlex GX620
Package: xorg 1:7.4~5ubuntu21
ProcCmdLine: root=UUID=c4a6ed3a-50c8-48f6-83e8-8f7e697d49ec ro  single
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.30-8.9-generic
RelatedPackageVersions:
 xserver-xorg 1:7.4~5ubuntu21
 libgl1-mesa-glx 7.4.1-1ubuntu2
 libdrm2 2.4.11-0ubuntu1
 xserver-xorg-video-intel 2:2.7.99.1+git20090602.ec2fde7c-0ubuntu2
 xserver-xorg-video-ati 1:6.12.2-2ubuntu1
SourcePackage: xorg
Uname: Linux 2.6.30-8-generic i686
dmi.bios.date: 11/30/2006
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A11
dmi.board.name: 0HH807
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 6
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA11:bd11/30/2006:svnDellInc.:pnOptiPlexGX620:pvr:rvnDellInc.:rn0HH807:rvr:cvnDellInc.:ct6:cvr:
dmi.product.name: OptiPlex GX620
dmi.sys.vendor: Dell Inc.
fglrx: Not loaded
system:
 distro:             Ubuntu
 architecture:       i686kernel:             2.6.30-8-generic

** Affects: xserver-xorg-video-intel
     Importance: Undecided
         Status: New

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386

-- 
Cannot start with KMS enabled with intel 82945G
https://bugs.launchpad.net/bugs/386315
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