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Thread: Repair after faulty kernel update

  1. #11
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    Default Re: Repair after faulty kernel update

    Quote Originally Posted by malcolmlewis View Post
    Hi
    At the grub screen, press e to edit, find the line linux or linuxefi and after the quiet add nomodeset then press F10 to boot.
    OK. That boots successfully. What now? It seems the configuration is a simplified one (e.g. on display mirrored, with no possibility to configure both my screens)

  2. #12
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    Exclamation Re: Repair after faulty kernel update

    There was a new MOK with today's updates – MOK Manager blue screen at boot –
    • Catch-22: It asks for a password – that of the user “root” and, it assumes a US American keyboard layout …
    • If you have another keyboard layout and, your “root” user password uses characters which do not map to the US American keys, the application of the new MOK to UEFI will fail.

  3. #13
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    Default Re: Repair after faulty kernel update

    Quote Originally Posted by hnimmo View Post
    OK. That boots successfully. What now? It seems the configuration is a simplified one (e.g. on display mirrored, with no possibility to configure both my screens)
    Hi
    So it's a graphics issue, maybe with the desktop or the gpu.... what driver is in use for the gpu?

    Code:
    /sbin/lspci -nnk | egrep -A3 "VGA|Display|3D"
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    SUSE SLE, openSUSE Leap/Tumbleweed (x86_64) | GNOME DE
    If you find this post helpful and are logged into the web interface,
    please show your appreciation and click on the star below... Thanks!

  4. #14
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    Default AW: Repair after faulty kernel update


  5. #15
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    Default Re: Repair after faulty kernel update

    Quote Originally Posted by malcolmlewis View Post
    Hi
    So it's a graphics issue, maybe with the desktop or the gpu.... what driver is in use for the gpu?

    Code:
    /sbin/lspci -nnk | egrep -A3 "VGA|Display|3D"

    Code:
    /sbin/lspci -nnk | egrep -A3 "VGA|Display|3D"
    01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Caicos [Radeon HD 6450/7450/8450 / R5 230 OEM] [1002:6779]
        Subsystem: PC Partner Limited / Sapphire Technology Radeon HD 6450 1 GB DDR3 [174b:e164]
        Kernel driver in use: radeon
        Kernel modules: radeon

  6. #16
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    Default Re: AW: Repair after faulty kernel update

    Quote Originally Posted by Sauerland View Post
    Looks like my problem. It seems I should ditch the latest kernel version and wait for the bug fix. How do I make the previous version my default again?

  7. #17
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    Default Re: Repair after faulty kernel update

    Quote Originally Posted by hnimmo View Post
    Code:
    /sbin/lspci -nnk | egrep -A3 "VGA|Display|3D"
    01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Caicos [Radeon HD 6450/7450/8450 / R5 230 OEM] [1002:6779]
        Subsystem: PC Partner Limited / Sapphire Technology Radeon HD 6450 1 GB DDR3 [174b:e164]
        Kernel driver in use: radeon
        Kernel modules: radeon
    Hi
    See the bug report.. maybe install the fixed kernel?
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    SUSE SLE, openSUSE Leap/Tumbleweed (x86_64) | GNOME DE
    If you find this post helpful and are logged into the web interface,
    please show your appreciation and click on the star below... Thanks!

  8. #18
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    Default AW: Re: AW: Repair after faulty kernel update

    Quote Originally Posted by hnimmo View Post
    Looks like my problem. It seems I should ditch the latest kernel version and wait for the bug fix. How do I make the previous version my default again?
    Boot with the working kernel, delete only the faulty one and lock the kernel.

  9. #19
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    Default Re: AW: Re: AW: Repair after faulty kernel update

    Quote Originally Posted by Sauerland View Post
    Boot with the working kernel, delete only the faulty one and lock the kernel.
    Thanks to all. Some very good and focussed support in these posts. I think I will hope for an early kernel update and live with a minor inconvenience at boot up in the meantime.

  10. #20
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    Default Re: Repair after faulty kernel update

    I had the same trouble with kernel 5.3.18-59.43-default on a system with
    Code:
    howard@HP-oS15KDE:~>         inxi -G 
          Graphics:          Device-1: Advanced Micro         Devices [AMD/ATI] Cedar [Radeon HD 5000/6000/7350/8350 Series] driver: radeon v: kernel  
                    Display: x11 server: X.Org 1.20.3 driver: modesetting unloaded: fbdev,vesa resolution: 1280x1024~60Hz          
                    OpenGL:renderer: AMD CEDAR (DRM         2.50.0 / 5.3.18-59.40-default LLVM 11.0.1) v: 3.3 Mesa 20.2.4          
          howard@HP-oS15KDE:~> 
    It would boot with nomodeset, giving
    Code:
    howard@HP-oS15KDE:~> inxi -G
          Graphics:  Device-1: Advanced Micro Devices [AMD/ATI] Cedar       [Radeon HD 5000/6000/7350/8350 Series] driver: N/A 
                     Display: x11 server: X.Org 1.20.3 driver: N/A note:       display driver n/a unloaded: fbdev,modesetting,vesa 
                     resolution: 1400x1050~77Hz 
                     OpenGL: renderer: llvmpipe (LLVM 11.0.1 256 bits) v:       4.5 Mesa 20.2.4 
          howard@HP-oS15KDE:~> 

    I removed 5.3.18-59.43 and installed kernel 5.3.18-150300.249.1.ge7319e4 from the repository at https://download.opensuse.org/reposi...LE15-SP3/pool/ and all is well.
    Howard
    ThinkPads 310ED, 600E, T23, X41, X60, T61, X201, E550, X390

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