Public bug reported:
I have a machine which I upgraded from Natty to Oneiric a week ago. It
uses the onboard graphics card of Intel SandyBridge CPUs, and Unity as
well as HDMI audio output worked fine.
A few days ago I installed ecryptfs-utils and set up a encrypted
directory. I did not use the login password, but a separate password,
and I move the .Private directory to another partition (creating a
symlink in my home directory). I did no login or logout since that.
Yesterday I was fiddling with my screen resolutions and had some
problems, so I tried to login/logout and reboot. Now a lot of weird
things happen:
First, when I login, after entering my password and hitting enter, there is a
pause of several seconds, during which nothing seems to happen, but the lightdm
process takes 100% CPU.
Second, 3D support of my video driver is suddenly gone. The
/usr/lib/nux/unity_support_test says that software rendering is used. In dmesg,
there are messages about "invalid framebuffer ids" and "composite sync not
supported". Of couse unity is not working (only unity-2d).
Third, all my audio devices are gone in the output of aplay -L (only the alsa
default device that points to PulseAudio is there). If I run aplay -L on a
terminal (not within X), all devices are there! Of course sound is also not
working.
I verified that ecryptfs is the problem. If I remove/rename the
.ecryptfs folder in my home directory, i can log in fine (without
pause), and 3D and audio are working. If I move the folder back, and try
to login again, the problems are there. I do not even need to reboot
between the logins. In one login my graphics card seems to be completely
unsupported, and in the next login it is the usually well supported
Intel graphics card again.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: ecryptfs-utils 92-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
Date: Wed Nov 9 07:48:52 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110426)
ProcEnviron:
LANGUAGE=de:en
PATH=(custom, no user)
LANG=de_DE.UTF-8
LC_MESSAGES=de_DE.UTF-8
SHELL=/bin/bash
SourcePackage: ecryptfs-utils
UpgradeStatus: Upgraded to oneiric on 2011-10-31 (8 days ago)
** Affects: ecryptfs-utils (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug oneiric running-unity
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https://bugs.launchpad.net/bugs/887904
Title:
[Oneiric] Ecryptfs kills 3D support of my video driver
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