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Ubuntu 16.04 Low Graphics Mode

Discussion in 'Linux and Unix' started by RogerDavis, May 15, 2018.

  1. RogerDavis

    RogerDavis Thread Starter

    May 15, 2018
    After a recent update (kernel?), I have begun to occasionally receive the message "Running in Low Graphics Mode" at boot (maybe half the time). I can tell it to use Default setting from the options it offers, and get by it, after which things look and work normally, even after some reboots.

    I also usually get "System error detected, Report? at the same time, so I agree to report it.

    Please note that I'm using 16.04 (fully updated), Gnome Flashback Metacity, with [AMD/ATI] Cape Verde PRO [Radeon HD 7750/8740 / R7 250E] .

    This problem shows up no matter which of the above I'm using, or Unity...

    [email protected]:~$ uname -a
    Linux roger-desktop 4.4.0-124-generic #148-Ubuntu SMP Wed May 2 13:00:18 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

    I've seen some suggestion like :
    # sudo apt-get update
    # sudo apt-get remove ubuntu-desktop
    # sudo apt-get install ubuntu-desktop
    # sudo shutdown -r now
    But these are all quite old, at least 3 years, up to 6 or more years, and some of the simple items in some of these (boot while holding (shift), ... just don't work, so I'm afraid of them.

    I's unclear to me if this would wipe out my Gnome and Cinnamon, etc. installations, or if that is separate and safe. Please advise...

    There appears to be plenty of memory and storage available.

    [email protected]:~$ free -m
    total used free shared buff/cache available
    Mem: 16013 3880 10410 363 1722 11443
    Swap: 16348 0 16348

    [email protected]:~$ df -h
    Filesystem Size Used Avail Use% Mounted on
    udev 7.8G 0 7.8G 0% /dev
    tmpfs 1.6G 9.6M 1.6G 1% /run
    /dev/sda1 902G 77G 779G 9% /
    tmpfs 7.9G 127M 7.7G 2% /dev/shm
    tmpfs 5.0M 4.0K 5.0M 1% /run/lock
    tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup
    cgmfs 100K 0 100K 0% /run/cgmanager/fs
    tmpfs 1.6G 52K 1.6G 1% /run/user/1000

    Also, if I simply go to 18.04 ( don't really want to just yet ) will it likely fix this in the process, or might this block or damage the upgrade ?
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