[Bug 1662244] Re: lightdm causes all greeters to fail to start

2020-12-05 Thread Christophe Chisogne
Upgrading to (K)Ubuntu 18.04.5 LTS basically broke the system as X was
not restarting correctly (black screen instead of lightdm display or
even infinite loop of X crashes based on BIOS/EFI config).

This is critical for non-savvy users as my parents.

The issue is the same as can be seen in
/var/log/lightdm/seat0-greeter.log with repeated messages like

**MEMORY-ERROR***: unity-greeter[1647]: GSlice: failed to allocate 2040 bytes 
(alignment: 2048)...
**MEMORY-ERROR***: unity-greeter[1647]: GSlice: failed to allocate 2040 bytes 
(alignment: 2048)...
**MEMORY-ERROR***: unity-greeter[1647]: GSlice: failed to allocate 2040 bytes 
(alignment: 2048)...

The workaround is indded updating the memlock limits as described above
(adding the 2 lines of the above comment to /etc/security/limits.con).

Thanks for the workaround :)

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Title:
  lightdm causes all greeters to fail to start

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[Bug 210472] Re: Timidity daemon doesn't play nice with pulse audio

2019-01-18 Thread Christophe Chisogne
There was a regression for me too, from kubuntu 18.04 to kubuntu 18.10,
as described here:

https://answers.launchpad.net/ubuntu/+source/alsa-
driver/+question/675670

Basically KDE showed only the dummy output even if everything else
looked right. trying "sudo alsa force-reload" was not working for me.
But killing the timidity service did the trick.

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Title:
  Timidity daemon doesn't play nice with pulse audio

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[Bug 1520343] Re: Qualcomm Atheros wireless card [168c:003e] (rev 32) not supported

2016-03-13 Thread Christophe Chisogne
Comment #22 worked for me (wifi card finally detected, good network
connection, did not check bluetooth)

- Ubuntu 15.10
- kernel 4.2.0-34-generic
- lspci: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter [168c:003e] 
(rev 32)
- not using sudo echo "options ath10k_core skip_otp=y" > 
/etc/modprobe.d/ath10k.conf

See Bug 108791 - [ath10k_pci] Killer 1535 card doesn't initalise / 
https://bugzilla.kernel.org/show_bug.cgi?id=108791
See also the new firmware version (board-2.bin) uploaded 16 days ago:  
https://github.com/kvalo/ath10k-firmware/commits/master/QCA6174/hw3.0 

** Bug watch added: Linux Kernel Bug Tracker #108791
   http://bugzilla.kernel.org/show_bug.cgi?id=108791

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Title:
  Qualcomm Atheros wireless card [168c:003e] (rev 32) not supported

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[Bug 1241101] Re: Java crash in libglib-2.0 after upgrade from 13.04 to 13.10

2013-11-26 Thread Christophe Chisogne
On Kubuntu 13.10 (64bit), the problem is easy to reproduce when using
Eclipse from the latest Android bundle and a JDK 1.7 (tested with
jdk1.7.0_25-x64).

Switching GTK2 theme from oxygen-gtk to Raleigh is working in my
configuration (glogal change or GTK2_RC_FILES variable).

On my box, the crash is very often in the same frame (libgobject2
g_object_get_qdata). Running gdb on the core dump does not add much
information.

  #  SIGSEGV (0xb) at pc=0x7f605618d528, pid=18070, tid=140052081948416
  #
  # JRE version: 7.0_25-b15
  # Java VM: Java HotSpot(TM) 64-Bit Server VM (23.25-b01 mixed mode 
linux-amd64 compressed oops)
  # Problematic frame:
  # C  [libgobject-2.0.so.0+0x19528]  g_object_get_qdata+0x18

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Title:
  Java crash in libglib-2.0 after upgrade from 13.04 to 13.10

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[Bug 1240707] Re: Migration failure to kubuntu 12.10 64bits (hostname, libpam-modules)

2013-10-16 Thread Christophe Chisogne
Here's the bug report title automatically generated before the system
tried to "dpkg --configure -a" ( it didn't sent it ).

package libpam-modules 1.1.3-7ubuntu3 failed to install/upgrade:
ErrorMessage: problème de pré-dépendance - libpam-modules:amd64 non
installé

Installing "libpam-modules:amd64" will most probably fix the issue for
me

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Title:
  Migration failure to kubuntu 12.10 64bits (hostname, libpam-modules)

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[Bug 1240707] [NEW] Migration failure to kubuntu 12.10 64bits (hostname, libpam-modules)

2013-10-16 Thread Christophe Chisogne
Public bug reported:

The migration from 12.04 LTS to 12.10 (64bits) failed on my box because of 2 
packages dependency failures:
libpam-modules and hostname.

I recover it in a shell after reboot (no GUI was available btw) by 
- using repeated calls to aptitude -f install ( the process stopped several 
times because of "too many errors" messages)
- manually installing some packages
- manually removing some packages with failed dependencies
- manually installing the 2 above packages (aptitude install libpam-modules 
hostname)

I'm upgrading from 12.10 to 13.04 right now, and the same failure seems
to happen again during the package installation process (after the
download step). So I think this could affect users migrating from 12.04
TLS to the next TLS release.

FWIW, the original distribution installed on this box was 11.04 (Natty),
and I used some custom sources.list at some point (medibuntu and another
one to install the Zend PHP framework)

I did not investigate a lot, but this could be related to mixed
dependencies between 32bit and 64bit versions of some packages.

$ lsb_release -d
Description:Ubuntu 12.10

$ aptitude search libpam-modules
BB  libpam-modules  - Pluggable Authentication Modules for PAM  
p   libpam-modules:i386 - Pluggable Authentication Modules for PAM  
u   libpam-modules-bin  - Pluggable Authentication Modules for PAM -
p   libpam-modules-bin:i386 - Pluggable Authentication Modules for PAM -

$ apt-cache policy libpam-modules
libpam-modules:
  Installé : 1.1.3-7ubuntu3
  Candidat : 1.1.3-8ubuntu2
 Table de version :
 1.1.3-8ubuntu2 0
500 http://be.archive.ubuntu.com/ubuntu/ raring/main amd64 Packages
 *** 1.1.3-7ubuntu3 0
100 /var/lib/dpkg/status

$ apt-cache policy libpam-modules:i386
libpam-modules:i386:
  Installé : (aucun)
  Candidat : 1.1.3-8ubuntu2
 Table de version :
 1.1.3-8ubuntu2 0
500 http://be.archive.ubuntu.com/ubuntu/ raring/main i386 Packages

$ apt-cache policy libpam-modules-bin
libpam-modules-bin:
  Installé : 1.1.3-8ubuntu2
  Candidat : 1.1.3-8ubuntu2
 Table de version :
 *** 1.1.3-8ubuntu2 0

$ apt-cache policy hostname
hostname:
  Installé : 3.11ubuntu1
  Candidat : 3.12ubuntu1
 Table de version :
 3.12ubuntu1 0
500 http://be.archive.ubuntu.com/ubuntu/ raring/main amd64 Packages
 *** 3.11ubuntu1 0
100 /var/lib/dpkg/status

$ apt-cache policy hostname:i386
hostname:i386:
  Installé : (aucun)
  Candidat : 3.12ubuntu1
 Table de version :
 3.12ubuntu1 0
500 http://be.archive.ubuntu.com/ubuntu/ raring/main i386 Packages

** Affects: ubuntu-release-upgrader (Ubuntu)
 Importance: Undecided
 Status: New

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Title:
  Migration failure to kubuntu 12.10 64bits (hostname, libpam-modules)

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