Display resolutions missing on external VGA display [regressing] on 12.10

[2green]

On Ubuntu 12.10, Also tested with mainline kernels 3.6.3 and 3.7.x RC1

On the same hardware but with ubuntu 12.04 I could select every resolution I liked, including 1080p and 720p (widescreen resolutions). Since I'm using ubuntu 12.10 I can only select 800*600 and 1024*800.

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: linux-image-3.5.0-17-generic 3.5.0-17.28
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic x86_64
ApportVersion: 2.6.1-0ubuntu6
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: john 1982 F.... pulseaudio
CurrentDmesg:

Date: Sun Nov 4 11:20:00 2012
HibernationDevice: RESUME=UUID=a6768682-b49e-4c89-a9a6-0b7b49065dcb
InstallationDate: Installed on 2012-10-01 (33 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Beta amd64 (20120926)
MarkForUpload: True
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-17-generic root=UUID=37a19e95-fa10-46b5-aaf6-153ec2ea6953 ro quiet splash
RelatedPackageVersions:
 linux-restricted-modules-3.5.0-17-generic N/A
 linux-backports-modules-3.5.0-17-generic N/A
 linux-firmware 1.95
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/01/2011
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68DDU Ver. F.20
dmi.board.name: 30C0
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 71.2E
dmi.chassis.asset.tag: CNU7352HJK
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68DDUVer.F.20:bd12/01/2011:svnHewlett-Packard:pn:pvrF.20:rvnHewlett-Packard:rn30C0:rvrKBCVersion71.2E:cvnHewlett-Packard:ct10:cvr:
dmi.product.version: F.20
dmi.sys.vendor: Hewlett-Packard

[Joseph Salisbury (jsalisbury)]

This issue appears to be an upstream bug, since you tested the latest upstream kernel. Would it be possible for you to open an upstream bug report[0]? That will allow the upstream Developers to examine the issue, and may provide a quicker resolution to the bug.

Please follow the instructions on the wiki page[0]. The first step is to email the appropriate mailing list. If no response is received, then a bug may be opened on bugzilla.kernel.org.

[0] https://wiki.ubuntu.com/Bugs/Upstream/kernel

[2green (zendhetmij)]

On launchpad they requested to report this bug upstream. Please let me know
if any information is missing.

[1.] One line summary of the problem:
Display resolutions missing on external VGA display [regressing]

[2.] Full description of the problem/report:

The bug description can be found at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1074844

[3.] Keywords (i.e., modules, networking, kernel):
-

[4.] Kernel version (from /proc/version):
Originally discovered on ubuntu 12.10, but also tested with mainline kernel
3.7 rc7. Currently I'm on Linux version:

3.8.0-030800rc1-generic (root@gomeisa) (gcc version 4.6.3 (Ubuntu/Linaro
4.6.3-1ubuntu5) ) #201212212135 SMP Sat Dec 22 02:36:00 UTC 2012

[5.] Output of Oops.. message
-

[6.] A small shell script or example program which triggers the problem (if
possible)
The problem occurs while connecting the display, in earlier ubuntu
versions a much higher resolution was default selected. Manually selecting
a higher display resolution is also not possible because higher resolution
are not present.

[7.] Environment
Description: Ubuntu 12.10
Release: 12.10

[7.1.] Software (add the output of the ver_linux script here)
*If some fields are empty or look unusual you may have an old version.*
*Compare to the current minimal requirements in Documentation/Changes.*
* *
*Linux grey 3.8.0-030800rc1-generic #201212212135 SMP Sat Dec 22 02:36:00
UTC 2012 x86_64 x86_64 x86_64 GNU/Linux*
* *
*Gnu C 4.7*
*Gnu make 3.81*
*binutils 2.22.90.20120924*
*util-linux 2.20.1*
*mount support*
*module-init-tools 3.16*
*e2fsprogs 1.42.5*
*pcmciautils 018*
*PPP 2.4.5*
*Linux C Library 2.15*
*Dynamic linker (ldd) 2.15*
*Procps 3.3.3*
*Net-tools 1.60*
*Kbd 1.15.3*
*Sh-utils 8.13*
*wireless-tools 30*
*Modules Loaded bnep rfcomm parport_pc ppdev binfmt_misc
snd_hda_codec_analog arc4 coretemp tpm_infineon snd_hda_intel i915
kvm_intel iwl3945 iwlegacy joydev kvm snd_hda_codec drm_kms_helper hp_accel
snd_hwdep drm lis3lv02d mac80211 snd_pcm btusb pcmcia snd_seq_midi
snd_rawmidi hp_wmi bluetooth sparse_keymap snd_seq_midi_event wmi snd_seq
snd_timer i2c_algo_bit snd_seq_device yenta_socket lpc_ich microcode
pcmcia_rsrc psmouse pcmcia_core snd tpm_tis serio_raw mac_hid soundcore
cfg80211 snd_page_alloc input_polldev video lp parport tg3 ptp pps_core*

[7.2.] Processor information (from /proc/cpuinfo):
*processor : 0*
*vendor_id : GenuineIntel*
*cpu family : 6*
*model : 15*
*model name : Intel(R) Core(TM)2 Duo CPU T7100 @ 1.80GHz*
*stepping : 13*
*microcode : 0xa4*
*cpu MHz : 800.000*
*cache size : 2048 KB*
*physical id : 0*
*siblings : 2*
*core id : 0*
*cpu cores : 2*
*apicid : 0*
*initial apicid : 0*
*fpu : yes*
*fpu_exception : yes*
*cpuid level : 10*
*wp : yes*
*flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat
pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm
constant_tsc arch_perfmon pebs bts rep_good nopl aperfmperf pni dtes64
monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr ...

[2green (zendhetmij)]

On the same hardware but with ubuntu 12.04 I could select every resolution I liked, including 1080p and 720p (widescreen resolutions). Since I'm using ubuntu 12.10 I can only select 800*600 and 1024*800.

The full bug description and log files are at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1074844

[Chris Wilson (ickle)]

The log files are incomplete. Please attach dmesg (with drm.debug=6 appended to the kernel commandline), Xorg.log and xrandr.

[2green (zendhetmij)]

Requested files are added to launchpad to keep al files together. Please let me know if you need more information.

[2green (zendhetmij)]

Extra log files added as requested at https://bugs.freedesktop.org/show_bug.cgi?id=58852

[Chris Wilson (ickle)]

The dmesg is from too late in the boot sequence, all the important information about the failure to read the VGA EDID is lost.

[2green (zendhetmij)]

My mistake, I've included both the current en previous dmesg log on launchpad: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1074844

[2green (zendhetmij)]

For clearity the last boot sequence was with a connected screen using a VGA cable.

[Daniel-ffwll (daniel-ffwll)]

Can you please also attach a dmesg with drm.debug=0xe from the old (working) kernel. Also, please attach all the files here, since it's a bit a pain to hunt down random files (more so when they lack descriptions of the test-setup, which we can't fix on other bugzillas ...).

Apparently the VGA connector is simply not there ...

[Chris Wilson (ickle)]

That is quite puzzling, even with bitbanging we fail to read the EDID. Can you please also grab a drm.debug=6 dmesg with ubuntu 12.04?

[Daniel-ffwll (daniel-ffwll)]

Ping for the requested debug info.

[Chris Wilson (ickle)]

Timeout.

[2green (zendhetmij)]

Whoops, my bad... problem still exists though...

My workarround is... editing xorg configuration files and adding edid lines (even in 2013 this is necessary).

[penalvch (penalvch)]

2green, could you please provide the full computer model as noted on the sticker?