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Thread: flickering boot up

  1. #1

    Default flickering boot up

    Hi every one

    recently i decided to do something with my old pc, so i said ill install linux many people
    were telling me to install ubuntu but i read around and eventually decided to install openSuse 11.3

    during installation everything went fine, but the screen started to flicker alot after installation and then when i tryed to boot it at the boot menu it shows the loading sign then halfway stops and goes black and flickers like mad. I HAVE NEVER USED ANY FORM OF LINUX IN MY LIFE, and i have no idea what to do; it boots fine in fail safe mode just in normal it wont stop flickering, and i have used different monitors to no solution.

    I have googled it and read around and nothing works. i am a experienced windows user and my pc is a compaq presario 6000, specs:
    amd athlon (1.7ghz), ati r250 graphics ,512mb ram, 80gb ide hdd
    any help is much appreciated

    (also, does anyone know a good place for linux drivers, need one for netgear usb wireless adapter, thanks)

  2. #2
    Join Date
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    Smile Re: flickering boot up

    So we do not know how far you got with the installation. It may be that when you are in the Grub Operating System selection menu ready to select the default openSUSE startup, you just need to enter the kernel load option:

    nomodeset


    And then press the enter key. Some people with nVIDIA or AMD video cards often must load the proprietary video driver to get proper video and the flicker is one of the symptoms you might notice and the nomodeset can put you onto the road for proper operation.

    Thank You,
    My Blog: https://forums.opensuse.org/blogs/jdmcdaniel3/

    Software efficiency halves every 18 months, thus compensating for Moore's Law

    Its James again from Austin, Texas

  3. #3

    Default Re: flickering boot up

    thanks for the reply, very helpfull, i did try nomodeset and turned on; however the background is not loaded (just plain black) and the taskbar is semi-black but i can
    see the firefox quicklaunch and green opensuse logo. and for the drivers is this link what i need http://old-en.opensuse.org/ATI_drivers. (by the way my computer(konqueror) does recognise my graphics card as r250)

  4. #4
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    Default Re: flickering boot up

    If a r250 is one of the old depreciated cards the old driver will no longer compile to the newer kernels. This is an ATI issue. They don't want to support old drivers anymore. Since nomodeset did don't entirely fix the problem there must be more problems with your hardware configuration. Boot to fail safe. open a console window (command line) become root by typing

    su-
    then the root password note that the password does not echo to the screen so don't freak just type the password

    Note Linux is case sensitive so be aware

    then type

    cat /boot/grub/menu.lst

    highlight the output and in the console window edit menu select copy. Then past it between code blocks ( use the go advanced button) in a reply here.

    There may be some other kernel options that may help this will show what the failsafe is doing.

    BTW 512meg is really pretty primitive for a modern OS though it should run don't expect a speed demon. You might want to try a lighter desktop environment. Also you did not say which desktop you installed.

  5. #5

    Default Re: flickering boot up

    yh, i know i 512 is very minimal but the pc is after all 10years old, and the truth is opensuse is running faster than xp.




    Code:
     
    linux-ssfs:/home/ADMIN # cat /boot/grub/menu.lst
    # Modified by YaST2. Last modification on Wed Feb 23 13:11:42 GMT 2011
    # THIS FILE WILL BE PARTIALLY OVERWRITTEN by perl-Bootloader
    # Configure custom boot parameters for updated kernels in /etc/sysconfig/bootloader
    
    default 0
    timeout 8
    gfxmenu (hd0,2)/boot/message
    ##YaST - activate
    
    ###Don't change this comment - YaST2 identifier: Original name: linux###
    title openSUSE 11.3 - 2.6.34-12
        root (hd0,2)
        kernel /boot/vmlinuz-2.6.34-12-default root=/dev/disk/by-id/ata-WDC_WD800AB-22CBA1_WD-WMAA52080296-part3 resume=/dev/disk/by-id/ata-WDC_WD800AB-22CBA1_WD-WMAA52080296-part7 splash=silent quiet showopts vga=0x317
        initrd /boot/initrd-2.6.34-12-default
    
    ###Don't change this comment - YaST2 identifier: Original name: failsafe###
    title Failsafe -- openSUSE 11.3 - 2.6.34-12
        root (hd0,2)
        kernel /boot/vmlinuz-2.6.34-12-default root=/dev/disk/by-id/ata-WDC_WD800AB-22CBA1_WD-WMAA52080296-part3 showopts apm=off noresume nosmp maxcpus=0 edd=off powersaved=off nohz=off highres=off processor.max_cstate=1 nomodeset x11failsafe vga=0x317
        initrd /boot/initrd-2.6.34-12-default
    
    ###Don't change this comment - YaST2 identifier: Original name: windows###
    title Windows
        rootnoverify (hd0,0)
        chainloader +1
    
    ###Don't change this comment - YaST2 identifier: Original name: floppy###
    title Floppy
        rootnoverify (fd0)
        chainloader +1

  6. #6
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    Default Re: flickering boot up

    Quote Originally Posted by RENEG4DE View Post
    thanks for the reply, very helpfull, i did try nomodeset and turned on; however the background is not loaded (just plain black) and the taskbar is semi-black but i can see the firefox quicklaunch and green opensuse logo. and for the drivers is this link what i need ATI drivers - openSUSE. (by the way my computer(konqueror) does recognise my graphics card as r250)
    nomodeset likely forces the loading of the radeonhd driver. Without nomodeset its likely the radeon driver is being loaded.

    For my wife's old PC (with a ATI 9200 PRO (RV280) AGP graphic card) which she subsequently gave away to the made, what gave her PC special desktop effects with the radeon driver, was my edit her /etc/X11/xorg.conf.d/50-device.conf file, so that it read:
    Code:
    Section "Device"
      Identifier "Default Device"
    
      Driver "radeon"
    
      ## Required magic for radeon/radeonhd drivers; output name
      ## (here: "DVI-0") can be figured out via 'xrandr -q'
      #Option "monitor-DVI-0" "Default Monitor"
    
      #oldcpu added following 2 lines
      Option "BusType" "PCI"
      Option "AGPSize" "64"
    
    EndSection
    However that may be specific to her graphic card and NOT your card. And in fact it was not perfect, for while it did give special desktop effects, never the less I also did get artifacts after some time, when using that 50-device.conf file setting.

    You might find this link of interest: SDB:Radeon - openSUSE

  7. #7

    Default Re: flickering boot up

    thanks for the help, but that link you gave has me puzzled since it says tested on 11.2 will it work for 11.3?
    and it says the driver for my graphics card is pre-installed on opensuse 11.2 yet when i type in "$ lsmod | grep radeon" in console
    it doesnt do anything, and when i typed in "$ glxgears" no gears apperead on screen to test my graphics card i also tried "glxinfo" and said that direct rendering: no.

    is there anything in the above text (the one i posted earlier) which indicates why it works in failsafe, instead of normal?
    (sidenote, is there a way to install .rpm offline)

    UPDATE: info from sysinfo:/
    model: rv250 if
    2d driver: fbdev
    3d driver: swrast (no 3d acceleration) (7.8.2)

  8. #8

    Default Re: flickering boot up

    more info on my system just in case its helpful: Product name Compaq Presario 6540UK
    UK Product number DA394A #ABU
    Microprocessor AMD Athlon XP - 2600+ (2.13 GHz)

    VIA KM 266 chipset

    266 MHz bus speed
    Microprocessor cache Total cache 384 KB
    Memory 512 MB DDR-SDRAM

    2 DIMM sockets
    Video graphics ATI Radeon 9000
    Video memory 64 MB dedicated video memory
    Hard drive 80 GB Ultra DMA hard drive (5400 rpm) including 4 GB partition for system recovery
    Diskette drive 3.5 inch, 1.44 MB
    Multimedia drive DVD-ROM drive: 16x max.
    Fax/Modem V92-ready modem
    Network card 10/100BT network interface
    IEEE 1394 Interface
    Sound Integrated AC '97 sound solution



    flat panel 15inch tft monitor (P4825B#ABU)

  9. #9
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    Default Re: flickering boot up

    Quote Originally Posted by RENEG4DE View Post
    thanks for the help, but that link you gave has me puzzled since it says tested on 11.2 will it work for 11.3?
    with some modification it 'might'.

    In 11.2 there were two methods to configure graphics (1) automatically with X with no /etc/X11/xorg.conf file, and (2) the possibility to use an /etc/X11/xorg.conf file which would over rule any automatic X configuration.

    In 11.3 there are three methods to configure graphics (1) automatically with X with no /etc/X11/xorg.conf file, and (2) the possibility to configure the various files under /etc/X11/xorg.conf.d/xx-yyyy files which would over rule any automatic X configuration, and (3) the possibility to use an /etc/X11/xorg.conf file which would over rule any settings in the /etc/X11/xorg.conf.d/xx-yyyyy configuration files and also over rule any automatic X configuration.

    Quote Originally Posted by RENEG4DE View Post
    and it says the driver for my graphics card is pre-installed on opensuse 11.2 yet when i type in "$ lsmod | grep radeon" in console
    That says the 'radeon' driver is loaded. The radeon driver comes with the xorg-x11-driver-video rpm that comes with your openSUSE-11.3.

    You might find this useful to read: openSUSE Graphic Card Practical Theory Guide for Users ... in essence some time back, I wrote down the lump sum of my limited knowledge on this subject, in the hope that it might help other users. I concede that needs updating, as does my own knowledge, and I hope as a volunteer to learn more as time goes by.

    Quote Originally Posted by RENEG4DE View Post
    is there anything in the above text (the one i posted earlier) which indicates why it works in failsafe, instead of normal?
    (sidenote, is there a way to install .rpm offline)
    Well, failsafe likely includes 'nomodeset' as a parameter. If you look inside the file /boot/grub/menu.lst (with root permissions) you will see the boot codes that are applied with failsafe. When opening that file be careful NOT TO CHANGE ANYTHING as it could break your PC's ability to boot. I always keep a backup of that file.

    Quote Originally Posted by RENEG4DE View Post
    UPDATE: info from sysinfo:/
    model: rv250 if
    2d driver: fbdev
    3d driver: swrast (no 3d acceleration) (7.8.2)
    Thats strange. It is saying the very basic fbdev driver is being used, instead of the higher performance radeon or radeonhd driver.

    Note fbdev is the most basic of drivers. Then vesa driver has superior performance. Then radeonhd driver (where development work has mostly stopped) followed by the radeon driver (where most open source developement work is centered). Your hardware appears to be legacy hardware and hence I don't think the fglrx driver will work on this.

    You could try forcing a load of the vesa driver (which is superior to the fbdev driver).

    Perhaps you could post the content of /var/log/Xorg.0.log to the paste site SUSE Paste and press create on that site, and then post here the URL/website address you are provided that is associated with that files posted contents.

  10. #10

    Default Re: flickering boot up

    hi, i read the ati section of your thoery post and is very helpful and thanks for that, instead of installing the vesa driver could i install the: mach64, r128 or ati driver im just asking? and here is the link like you asked SUSE Paste, interestingly in the same folder /var/log/ there is a Xorg.0.log.old. like i said at the start of this post
    i have never used linux before so i dont know if its normal. again thanks in advance for your help

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