Category: Linux Fehler-Bugs

Linux Bug: Disable Framebuffer Nvidia free Driver Nouveau for hanging xserver-xorg (for Servers)

Problem: Nouveau the free Version of the Nvidia Display Driver crash if you switch to Console or kill the xserver-xorg.Its enabled by default inside the KERNEL!! this WAS NOT DEFAULT at last DECADES!! (DEBIAN 3.0-5.0 never used it!, cause bugs and hanging Servers) Solution: echo 'blacklist nouveau' > /etc/modprobe.d/blacklist-nouveau.conf then edit with $sudo nano /etc/default/grub # If you change this file, run 'update-grub' afterwards to update # /boot/grub/grub.cfg. GRUB_DEFAULT=0 GRUB_TIMEOUT=5 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="noquiet nouveau.nomodeset=0" #on Ubuntu set "nomodeset noplymouth" … update grub Loader with sudo update-grub2 REMARK: THIS MUST BE USED AT SERVERS FOR […]

Linux Bug: SATA failed command: WRITE FPDMA QUEUED ata3.00 ncq freeze hang

Problem: If you copy or install Files from Disk to Disk somtimes the fresh installed Debian Ubuntu Linux in Textmode (server minimal setup) current kernel freezes or lost connect to the Disks. Take a CLOSER LOOK the Error often affects ALL DISKS !! If only one Disk  affected replace the Drive to SATA600 Hardware:  Asus M4n75TD NEW with Phenom 1090T X6 and 8GB Ram and /dev/sda: Model=Hitachi, FwRev=GM4OA52A, SerialNo=GEA530RF1RDDGA Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=56 BuffType=DualPortCache, BuffSize=15118kB, MaxMultSect=16, MultSect=off CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=976773168 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes:  pio0 pio1 pio2 pio3 pio4 DMA modes:  […]

Debian Squeeze Bug: udevd-work: kernel-provided name ‘uinput’ and NAME= ‘input/uinput’ disagree, please use SYMLINK+

Problem: After a fresh Setup and first Reboot of Squeeze the Boot Message udevd-work[77]: kernel-provided name 'uinput' and NAME= 'input/uinput' disagree, please use SYMLINK+= or change the kernel to provide the proper name appears Solution: edit: sudo nano /lib/udev/rules.d/50-udev-default.rules and change, KERNEL=="uinput", NAME="input/%k" to: KERNEL=="uinput", SYMLINK+="input/%k"

Ubuntu Lucid Lynx 10.04: FireGL xorg.conf Thinkpad R50p

Problem: By default the xorg.conf FireGL 128MB radeon driver settings are slow settings Solution: to get a faster behavior do edit /etc/X11/xorg.conf (Update: use Driver “ati” for 3D, use “radeon” for better flashvideos) # sudo nano /etc/X11/xorg.conf and change radeon area to: Section "Device" VendorName "ATI Technologies Inc" BoardName "M10 NT [FireGL Mobility T2]" BusID "PCI:1:0:0" Option "AGPMode" "4" Option "EnablePageFlip" "True" Identifier "ATI FireGL T2" Driver "radeon" VideoRam 131072 Option "UseFBDev" "off" Option "MergedFB" "off" Option "AGPMode" "4" Option "AccelDFS" "on" Option "DynamicClocks" "on" Option "XAANoOffscreenPixmaps" "true" EndSection

SME Server USB Disk Stick mount Problem at SME Server Backup Console

Problem: On SME Server the HAL Daemon often not recognize a USB Stick or Disk which you can use for “Console” Backup Program. Solution: – Create a Script with #nano /root/ – insert: service haldaemon restart service messagebus restart console exit This restart the HAL Environment before Console (SSH-Admin-Tool)is opened. To prevent Users to write on the Shares if you run the Backup you can add: service haldaemon restart service messagebus restart service smb stop console service smb start exit This will stop Samba-Windows Shares! and prevent File-Access-Lockwaits!

Ubuntu 10.04 disable purple Boot Splash Lucid Lynx (usplash = plymouth) TTY0

Problem: If you install Ubuntu Lucid Lynx 10.04 or upgrade some Videocards shows the Bootsplash (now called plymouth”) not clear or a black Bootscreen. The terrible Bootsplash is default installed and can’t easy removed cause deep deps of some pakets (mountall) don’t allow to purge. Solution: – edit with #sudo nano /etc/default/grub – change line “splash” to “nomodeset noplymouth” – save and close nano – run #sudo update-grub ..reboot and enjoy default VGA Console.. Server PCs: don’t need Splash, with the Ubuntu-Server CD you can install without Plymouth!! then you only have to make a minimal setup, then change kernel […]

Speed up Ubuntu Disable Window Animation Black Frames

Today i setup the Ubuntu on a AMD64 PC cause i want to see the news that are arrived. I always wait some month after the OS release appears!! The new 9.10 Ubuntu should always be installed with new clean install, cause there are too many changes behind the desktop! It seems like a big change from XP to Windows 7! To speed up the Desktop, i use a 7600GT Card, i disable all Gimmicks at System-Settings->Window-Appearances and enable Support for handicapted users (first box) and relogin!! to get changes. now to get more speed i run as user #gconf-editor […]

Thinkpad R50p ATI xserver hanging freeze sometimes Debian Lenny

Hardware: R50p with ATI Graphic 128MB 01:00.0 VGA compatible controller: ATI Technologies Inc M10 NT [FireGL Mobility T2] (rev 80) System: Debian Lenny 5.0 Driver: fglrx Solution: – install cpufrequtils #sudo apt-get install cpufrequtils – edit #nano /etc/initrd/cpufrequtils – change line “ondemand” to “performance” – check System #dmesg – System show “unstable clocksource” last line – edit #sudo nano /etc/boot/menu.lst – add to Kernelparametes line /vmlinuz-2.6.26-2-686 root=/dev/hda3 ro quiet vga=normal clocksource=acpi_pm ..reboot This will run System on max. Speedstep and Videos does’nt hang X-Server. Should help on other Thinkpads to with ATI Chip’s

Ubuntu 10.04 Lucid Lynx AMD64 Nvidia 195 Current freeze hang randomly

System: AMD Phenom X4 Geforce 7900 GTS or 8400GS Lucid Lynx AMD64 Problem: The current driver fails on some Systems with default kernel 2.6.32 Solution: – go – download kernel images for your System and headers into a folder named kernel – go into folder kernel with #cd kernel – install pakets with #sudo dpkg -i *.deb – reboot – if Xserver fails select “start Xserver with low resolution” – go Systemsettings/Hardware Drivers – select Nvidia-Current install again – reboot and test the System Background: ACPI was renewed inside the kernel, cause at startup kernel echos “ACPI: resource piix4_smbus […]