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[Bug 399821] Re: [i845] karmic fails to initialise display on boot. 2.6.31-3 + drm + Intel 845G

 

Thanks Twig.  Based on your information, if the mainline kernels are
working fine it would seem this is an Ubuntu specific regression that
was introduced.  Thus, applying any patches to the Ubuntu kernel won't
likely help.  Let's try and narrow down the Ubuntu specific patch that
introduced this issue.  First, if you can boot back into the 2.6.31-2
Ubuntu kernel which works fine, I need you to look up and tell me the
specific Ubuntu kernel version being used.  You can find this by doing:

cat /proc/version_signature

Likewise if you can boot into the 2.6.31-3 Ubuntu kernel which fails and
again look up and tell me the specific Ubuntu kernel version being used
that would be great.  That will at least provide the specific window of
patches which introduced this issue.  We can then work on narrowing down
the specific patch.

Below is just a list of all Ubuntu specific patches between 2.6.31-2.15
and 2.6.31-3.19:

ogasawara@emiko:~/ubuntu-karmic$ git log --pretty=oneline Ubuntu-2.6.31-2.15..Ubuntu-2.6.31-3.19
5cbce77153bdad1d6ad8a6def60f995a6d5ce2f3 UBUNTU: Ubuntu-2.6.31-3.19
a9d1cc1cd06a456e8d41f33ce24d2d318d24846c UBUNTU: [Config] Enable AUFS
5b3fd84287d4708cb728e2da054703d72f3fec0b UBUNTU: AUFS -- track changes in v2.6.31
c5e07a9283af083bd9b2d0c51135c3332b6c5a85 UBUNTU: AUFS -- core filesystem
dc892f663366294b96996c521ddbde44d9a493f7 UBUNTU: AUFS -- export various core functions -- fixes
d36e7e7f27f406f548afffe92043c843b3b8f1fb UBUNTU: AUFS -- export various core functions
df755792654e07acc80a618e54d8a5b9d5d1f599 UBUNTU: Start new release
41897760d840d8f87bdccfda827ca9db36c3ea82 UBUNTU: SAUCE: fsnotify: fix inotify tail drop check with path entries
5caefb5f01820fc49df7cfcad16830ee6160de48 UBUNTU: SAUCE: inotify: check filename before dropping repeat events
4f0861b1631a636ef697c901e7bd7150d1b9072e UBUNTU: SAUCE: fsnotify: use def_bool in kconfig instead of letting the user choose
87d7c3a4bd40770c6d6cc764d17fb64d260fd14a Revert "UBUNTU: [Config] Disabled NDISWRAPPER"
b5f4102c0d38804426fe00307d9736b161d1dd07 UBUNTU: ndiswrapper -- fix i386 compilation failures on cmpxchg8b
2dcb28212c0d3e711d76b341c19ccf8e57296257 UBUNTU: Ubuntu-2.6.31-3.18
029ffb80bd230b86b068fc4a7f9694e81bb87579 UBUNTU: [Config] Disabled NDISWRAPPER
05fc2e175dd986b3309cfbdc87874b4d2604dd2b UBUNTU: [Config] Update configs after rebase to 2.6.31-rc3
1cc8754849910e475ff484f84d42e23fcbefe5e9 UBUNTU: [Config] Dropped ubuntu/misc/wireless/acx
2bf63a37aae6a811aa09e4825b18a47911791992 UBUNTU: [Config] Enable CONFIG_BLK_DEV_IDECD on powerpc
506e2287a3b4db6aecb18cbe037dbf671152d173 UBUNTU: SAUCE: Explicitly include header files to allow apparmor to build on powerpc
9f73338649d5dd089f69eea0400ac9e2da527e43 UBUNTU: [Config] Enable CONFIG_USB_ISP116X_HCD on sparc
0bd10cff57dd0f7486cf70048b4a7dc4d0fb33e1 UBUNTU: Bump ABI
e5d7d3423a11bd20f29edaa5cfbf65dddcec42da Revert "UBUNTU: Add sec_perm-2.6.24.patch from AUFS - export security_inode_permission"
43bb18b794cceee803940b52306eab7d0307f801 Revert "UBUNTU: Add put_filp.patch from AUFS to export a symbol needed by AUFS"
ab871980c9d7695f2b835cfe8479866cf6b2a78f Revert "UBUNTU: Add splice-2.6.23.patch from AUFS to export a symbol needed by AUFS"
ed66617b53f3cffeac26b884f29a8efc32da4b80 UBUNTU: clear out left over AUFS files and modifications
721048b0cdc8da1269f86d0e04aad751001d2b3c UBUNTU: Start new release
03919ba1b523fef634a3aa12049d26d7b06ec347 UBUNTU: Ubuntu-2.6.31-2.17
9cf0899a2d6738c7424b2f77e4de0f2a1f64695d UBUNTU: AppArmor: fix operator precidence issue in as_path_link
a6e8f0317d8b5380e6dac00fc544570fd50b2db1 UBUNTU: AppArmor: Turn auditing of ptrace on
19eaa7df240c6c15bb1745be70a6e8653355de85 UBUNTU: AppArmor: Correct mapping of file permissions.
5cba16cb142920c64c74f0894bd52fece2e7d040 UBUNTU: [Config] enable AppArmor
023f3939355e9f071e5eafa7cad87ace8cd551cd UBUNTU: AppArmor security module
e3ccbbecb540537aca81a35da06fa21ef9de18a7 UBUNTU: compcache -- clean up CCFLAGS declarations
713ad154207b96e8c9cdd160f9556f7668db90d3 UBUNTU: Start new release
1a836ab59c798d2fdf8e7f22471b8196d5891650 UBUNTU: compcache -- remove redundant Kconfig entries part 2
fd52388baf820aa3d2c552245301f1c36fe8651b UBUNTU: [Config] CONFIG_BLK_DEV_CRYPTOLOOP=m for sparc
7e7f081aecc8a9c4545e60c458584ea6aa3c2311 UBUNTU: [Config] disable CONFIG_DM_RAID45 on powerpc
fba9d5664c529acc85a89ed96cc9aa025067b220 UBUNTU: Ubuntu-2.6.31-2.16
5433e209f5b6f60aa73344bf12e9ab7938e97d8c UBUNTU: [Config] Ignore compcache ABI and module changes
f6605b02fc20e21d4d30fc289944a2ecd2b575e2 UBUNTU: [Config]: Fix sparc FTBS
205ee9094581269732393265ec0ea744c3412b85 UBUNTU: Start new release
5cd80c6f32e3158ff23aea92b2d75fb0546eb404 UBUNTU: compcache -- remove redundant Kconfig entries
3cac01444c8e8203863a608d3122546464b90fb7 UBUNTU: SAUCE: update compcache version to 0.5.3
82bbb7118f885d53ec51000c4a668e7befac326d UBUNTU: SAUCE: updated dm-raid45 module version to 2009.04.24 (2.6.30-rc3)
6f285ec3931cb165f4c31e8d9837271c9c117976 UBUNTU: Ubuntu-2.6.31-2.15

-- 
[i845] karmic fails to initialise display on boot. 2.6.31-3 + drm + Intel 845G
https://bugs.launchpad.net/bugs/399821
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