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Thread: Problem with display after boot

  1. #1

    Default Problem with display after boot

    After my desktop boots, the login screen looks garbled/mashed up, although my cursor looks fine.

    When booting, i notice a line something along the lines of
    Code:
    conflicting fb hw usage
    Is there any way to fix this? Currently i can boot with the nomodeset option decently.

    Thank you guys in advance.

  2. #2
    Join Date
    Jun 2008
    Location
    Norman, OK
    Posts
    209

    Default Re: Problem with display after boot

    Try disabling the framebuffer device and rebooting:

    chkconfig fbset off (as root)
    Main Machine: Dell G7 running Ubuntu 18.04
    Server: Dell PowerEdge SC1430 running CentOS 7.x

  3. #3

    Default Re: Problem with display after boot

    Sorry, didn't fix it

  4. #4
    Join Date
    Jun 2008
    Location
    Norman, OK
    Posts
    209

    Default Re: Problem with display after boot

    Ok, well on to step :2 ;-)

    What video card do you have? (lspci would be the best way to see) Is this a laptop or do you have a monitor attached? Any errors in /var/log/Xorg.0.log?
    Main Machine: Dell G7 running Ubuntu 18.04
    Server: Dell PowerEdge SC1430 running CentOS 7.x

  5. #5

    Default Re: Problem with display after boot

    It is a desktop with a monitor attached.

    output from lspci:
    Code:
    It is a desktop with a monitor attached.00:00.0 RAM memory: nVidia Corporation MCP61 Memory Controller (rev a1)
    00:01.0 ISA bridge: nVidia Corporation MCP61 LPC Bridge (rev a2)
    00:01.1 SMBus: nVidia Corporation MCP61 SMBus (rev a2)
    00:01.2 RAM memory: nVidia Corporation MCP61 Memory Controller (rev a2)
    00:02.0 USB Controller: nVidia Corporation MCP61 USB Controller (rev a3)
    00:02.1 USB Controller: nVidia Corporation MCP61 USB Controller (rev a3)
    00:04.0 PCI bridge: nVidia Corporation MCP61 PCI bridge (rev a1)
    00:05.0 Audio device: nVidia Corporation MCP61 High Definition Audio (rev a2)
    00:06.0 IDE interface: nVidia Corporation MCP61 IDE (rev a2)
    00:07.0 Bridge: nVidia Corporation MCP61 Ethernet (rev a2)
    00:08.0 IDE interface: nVidia Corporation MCP61 SATA Controller (rev a2)
    00:09.0 PCI bridge: nVidia Corporation MCP61 PCI Express bridge (rev a2)
    00:0b.0 PCI bridge: nVidia Corporation MCP61 PCI Express bridge (rev a2)
    00:0d.0 VGA compatible controller: nVidia Corporation C61 [GeForce 6150SE nForce 430] (rev a2)
    00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
    00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
    00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
    00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
    01:0a.0 Communication controller: Conexant Systems, Inc. HSF 56k Data/Fax Modem
    And Xorg.0.log (errors only):
    Code:
    [    30.689] (II) Loading extension MIT-SCREEN-SAVER
    [    30.721] (EE) Failed to load module "nvidia" (module does not exist, 0)
    [    30.921] (EE) [drm] failed to open device

  6. #6
    Join Date
    Jun 2008
    Location
    Norman, OK
    Posts
    209

    Default Re: Problem with display after boot

    Ahh... looks like the nvidia module is giving you fits.

    Did you have a chance to install it yet (wondering if installation just flat out failed) or no?
    Main Machine: Dell G7 running Ubuntu 18.04
    Server: Dell PowerEdge SC1430 running CentOS 7.x

  7. #7

    Default Re: Problem with display after boot

    not sure, to be honest. Lol. I upgraded from 11.3, but i can give installation/re-installation a try. I will update on the results.

  8. #8

    Default Re: Problem with display after boot

    I downloaded the nvidia drivers from their site, installed, restarted x, and everything works! Thank you, I really appreciate it.

  9. #9
    Join Date
    Jun 2008
    Location
    Norman, OK
    Posts
    209

    Default Re: Problem with display after boot

    Sure thing .... glad to help out!
    Main Machine: Dell G7 running Ubuntu 18.04
    Server: Dell PowerEdge SC1430 running CentOS 7.x

  10. #10

    Default Re: Problem with display after boot

    I am getting the following message, sometimes followed by a loss of video (from /var/log/boot.msg):
    fb: conflicting fb hw usage radeondrmfb vs VESA VGA - removing generic driver
    I am running the following setup:
    Motherboard: Asus M4A88TD-V EVO/USB3
    Onboard graphics: VGA compatible controller: ATI Technologies Inc RS880 [Radeon HD 4250]

    The installed radeon driver appears to be:
    xorg-x11-driver-video-radeonhd - Driver for AMD GPG (ATI) r5xx/r6xx Chipsets



    I would be interested to hear if you have any thoughts on what the problem might be.

    Thanks!
    Andy Prough

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