Category: Linux Fehler-Bugs

Ubuntu: Deja-Dup Backup Freeze Desktop

If you use Ubuntu Desktop 16.10 you will run sometimes into freezes of the Desktop with a Default Setup. Background: Theres a known Bug of the Deja-Dup Backup Service which is started by Cron. The Service take 100% Ram and 100% CPU usage. This did my PC with 16GB Ram too! Only HARD RESET helps to get back Control! Solution: Purge the deja-dup service with: $sudo apt purge deja-dup Use instead the “rsync” tool by command line with users crontab to Backup your User Homes to external or 2nd. Disk. This should fix the problem.

Ubuntu Debian: Installer Messages during Installation Realtime Debug Installer Mode

If you boot your PC on a Setup CD into “live” mode after some time the Desktop Unity or Gnome starts. After successful testing the PC with the current Drivers and Kernel you can select “Install” by pressing the icon left on the desktop. But here the Problem appear that you dont see any informations about bugs, crashes, or other major messages during the setup. Without this you are not able to find any errors later, or you cant tell a supporter what happend! Workaround (#comments!): Always open a gnome-terminal as first step instead of pressing the installer icon! move the gnome-terminal […]

Ubuntu Vivid Debian: Kernel I/O Errors SSD SATA NVIDIA Chipsets

If you use a PC with a SSD Drive and a Motherboard which uses NVIDIA chipsets you may see Errors on boot Command “dmesg” Output like.. Buffer I/O error on device sdc, logical block 41 ata5: EH complete ata5: EH in SWNCQ mode,QC:qc_active 0x1 sactive 0x1 ata5: SWNCQ:qc_active 0x1 defer_bits 0x0 last_issue_tag 0x0 dhfis 0x1 dmafis 0x1 sdbfis 0x0 ata5: ATA_REG 0x41 ERR_REG 0x84 ata5: tag : dhfis dmafis sdbfis sactive ata5: tag 0x0: 1 1 0 1 ata5.00: exception Emask 0x1 SAct 0x1 SErr 0x300000 action 0x6 frozen ata5.00: Ata error. fis:0x21 ata5.00: cmd 60/08:00:07:04:00/00:00:00:00:00/40 tag 0 ncq 4096 […]

Ubuntu Vivid: Systemd boot OS into rescue mode with tmpfs

If you setup a Laptop with 15.XX and a luks encrypted SSD, you did set on older OS “tmpfs” for /tmp. Now under “systemd” the the boot hangs cause systemd “automount” tmpfs to /tmp by default!!! If you enter tmpfs into fstab like on ubuntu 14.10, the OS boots into the “RECOVERY RESCUE MODE” Here some details, from a forum post: Disable automatic mount Under systemd, /tmp may be automatically mounted as a tmpfs even though you have no entry for that in your /etc/fstab. To disable the automatic mount, run: # systemctl mask tmp.mount Files will no longer be […]

Ubuntu 13.04 Bug: gvfs smb Nautilus freeze hangs on copy files from a Samba Share

gvfs-smb Bug #1075923 (seen on Debian+Ubuntu+Centos..more..) Workaround: downgrade gvfs-* to Version 1.12 of 12.10 with: add /etc/apt/sources.list deb http://de.archive.ubuntu.com/ubuntu precise main deb-src http://de.archive.ubuntu.com/ubuntu precise main run: sudo apt-get update install synaptic: sudo apt-get install synaptic run synaptic: sudo synaptic remove all gvfs-* nautilus with synaptics (REALLY CHECK ALL! see “dpkg -l | grep gvfs”) search gvfs-*, select, press CTRL+E (Force Menu) select: gvfs-* Versions 1.12 install by run install button search and install nautilus again.. Voila…Test Nautilus copy 1TB Files without freeze

Debian Linux Wheezy: Partitioning 3TB Hard Drives with GPT Table (fdisk show 2TB max.)

Problem: On Debian Linux the brand new 3TB SATA Drives only seen as 2TB Drives by fdisk Background: GPT Partition Table must be used as new technology Solution: install “gdisk” the GPT Tool for big Drives with #sudo aptitude install gdisk clean the new Drives first Table Headers with #sudo dd if=/dev/zero of=/dev/sdb count=1 bs=512 run now #sudo sgdisk /dev/sdb Command is “sgdisk” not “gdisk” = its Paket Name same on other Linux/BSD Systems on Windows use Paragon Tools

Ubuntu 12.04 Bug High Prio : Grub 2 grub-pc hangs on reboot timeout not working

Prio 1: Set to Prio 1 cause it prevent a remote ubuntu Server from Boot without interactive root access to the Grub 2 Boot Screen !! Problem: If you do a release upgrade to ubuntu 12.04 use grub-pc and have a seperate /boot partition (sda1) then your server won’t boot without you pressing enter at the grub2 grub-pc menu. Background: this is a older known bug of a header skript template. Solution: for Servers you should remove grub2 and install grub or make changes with sudo nano /etc/grub.d/00_header make_timeout () { cat << EOF if [ "\${recordfail}" = 1 ]; […]

Gnome 3 Bug: gnome-terminal disabled F10 open context menu

Problem: If you use Debian or Ubuntu with Gnome 3 Desktop or Gnome Classic 3 Desktop and you want disable F10 for the use of Midnight Commander the Context Menu of the mouse opens automaticly. Solution: run as User # mkdir ~/.config/gtk-3.0/ then #nano gtk.css insert @binding-set NoKeyboardNavigation { unbind "<shift>F10" } * { gtk-key-bindings: NoKeyboardNavigation } </shift> relogin as User, for systemwide config copy “/.config/gtk-3.0/gtk.css” into /etc/skel folder

Debian Linux: Squeeze ATI Mobility M7 xorg.conf Thinkpad T30 Performance

Problem: Squeeze fglrx does not support older ATI Chips (If i view Flashvideos the CPU usage hold at 100% after change 25-30% usage !) Solution: sudo nano /etc/X11/xorg.conf and paste Section "ServerLayout" Identifier "X.org Configured" Screen 0 "Screen0" 0 0 InputDevice "Mouse0" "CorePointer" InputDevice "Keyboard0" "CoreKeyboard" EndSection Section "Files" ModulePath "/usr/lib/xorg/modules" FontPath "/usr/share/fonts/X11/misc" FontPath "/usr/share/fonts/X11/cyrillic" FontPath "/usr/share/fonts/X11/100dpi/:unscaled" FontPath "/usr/share/fonts/X11/75dpi/:unscaled" FontPath "/usr/share/fonts/X11/Type1" FontPath "/usr/share/fonts/X11/100dpi" FontPath "/usr/share/fonts/X11/75dpi" FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType" FontPath "built-ins" EndSection Section "Module" Load "extmod" Load "glx" Load "dri" Load "dbe" Load "record" Load "dri2" EndSection Section "InputDevice" Identifier "Keyboard0" Driver "kbd" EndSection Section "InputDevice" Identifier "Mouse0" Driver "mouse" Option "Protocol" […]

Debian Linux: Squeeze ATI Fire GL T2 Thinkpad R50p xorg.conf with 3D

Problem: Squeeze Kernel does not Support older ATI chips with fglrx Solution:  edit  with sudo nano /etc/X11/xorg.conf  and paste (Remark: use Driver “ati” for 3D , use “radeon” for sometimes faster flashvideos) Section "ServerLayout" Identifier "X.org Configured" Screen 0 "Screen0" 0 0 InputDevice "Mouse0" "CorePointer" InputDevice "Keyboard0" "CoreKeyboard" EndSection Section "Files" ModulePath "/usr/lib/xorg/modules" FontPath "/usr/share/fonts/X11/misc" FontPath "/usr/share/fonts/X11/cyrillic" FontPath "/usr/share/fonts/X11/100dpi/:unscaled" FontPath "/usr/share/fonts/X11/75dpi/:unscaled" FontPath "/usr/share/fonts/X11/Type1" FontPath "/usr/share/fonts/X11/100dpi" FontPath "/usr/share/fonts/X11/75dpi" FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType" FontPath "built-ins" EndSection Section "Module" Load "extmod" Load "dri2" Load "record" Load "dbe" Load "glx" Load "dri" EndSection Section "InputDevice" Identifier "Keyboard0" Driver "kbd" Option "xkblayout" "de" EndSection Section "InputDevice" Identifier […]

Debian Wheezy: linux/videodev.h no such file or directory mjpg-streamer compile error

Problem: On Debian Wheezy Kernel 3.0 the compile of older video4linux (like mjpg-streamer)  scripts fails with message, cause linux/videodev.h was replaced by linux/videodev2.h Error Message at "make" compile: …linux/videodev.h : no such file or directory Solution: download last sources of mjpg-streamer-experimental and extract to /usr/src/mjpg-streamer/ sudo cd /usr/src/mjpg-streamer/  and sudo make clean all, if fails then sudo apt-cache search videodev.h shows libvideo-ivtv-perl sudo aptitude install libvideo-ivtv-perl try recompile if fails.. updatedb && locate videodev.h, shows not found ??  then.. updatedb && locate videodev2.h, videodev2.h is found? then cp /usr/include/linux/videodev2.h  /usr/include/linux/videodev.h try recompile, if libjpeg errors appear then install sudo aptitude […]