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Fix for black screen on reboot?

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  • #21
    Originally posted by soder View Post
    This is what I did.
    First copied.
    Then in control panel changed, no overscan, vsync and AI.

    Code:
    htpc@htpc-desktop:/etc/ati$ sudo cp amdpcsdb amdpcsdb.TEST
    htpc@htpc-desktop:/etc/ati$ diff amdpcsdb amdpcsdb.TEST 
    htpc@htpc-desktop:/etc/ati$ diff amdpcsdb amdpcsdb.TEST 
    156d155
    < Centermode=Son
    162,164d160
    < [AMDPCSROOT/SYSTEM/BUSID-1:5:0-0/OpenGL]
    < VSyncControl=V3
    < CatalystAI=V2
    172d167
    < LastViewedPage=SMore Settings

    Have to figuerer out how to fix the overscan.
    If I edit to much in the .default, then I get no screen on boot up.

    /Söder
    I now also noticed, that if I change things in the CCCP, like vsync and stuff, its saved to amdpcsdb, but when I later reboot, I only get black.

    I have to SSH and cp amdpcsdb.default amdpcsdb..

    Something are fucked up with ATI...

    /Söder

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    • #22
      You could add a little startup script that just does

      grep -q fixati /proc/cmdline && rm /etc/ati/amdpcsdb

      then you can use for example that fixati option. You don't need to copy that file, just delete it.

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      • #23
        Originally posted by Kano View Post
        You could add a little startup script that just does

        grep -q fixati /proc/cmdline && rm /etc/ati/amdpcsdb

        then you can use for example that fixati option. You don't need to copy that file, just delete it.
        OK, I will try that, but then you have to help me a little bit more. What shall be in the scrips, where shall the script be, and how do I autostart it?

        Thanks

        /Söder

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        • #24
          In theory it depends a bit on the distro used, but when you know which startup script is used for X, most likely something like

          /etc/init.d/{g,k.x}dm

          then place it there.
          Last edited by Kano; 02-04-2009, 07:02 AM.

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          • #25
            Originally posted by Kano View Post
            In theory it depends a bit on the distro used, but when you know which startup script is used for X, most likely something like

            /etc/init.d/{g,k.x}dm

            then place it there.
            I use Ubuntu 8.10.
            /Söder

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            • #26
              Then check the gdm script.

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              • #27
                Originally posted by Kano View Post
                Then check the gdm script.
                What script?

                /Söder

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                • #28
                  /etc/init.d/gdm

                  is a shell script! You can add my example line to add handling of a new kernel option - or leave the grep out and use always

                  rm /etc/ati/amdpcsdb

                  at the beginning but after #!/bin/sh of course.

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                  • #29
                    Originally posted by Kano View Post
                    /etc/init.d/gdm

                    is a shell script! You can add my example line to add handling of a new kernel option - or leave the grep out and use always

                    rm /etc/ati/amdpcsdb

                    at the beginning but after #!/bin/sh of course.
                    But, what shall I add for the underscan? The 4 manual lines?

                    I tried that in a script yesterday, moved the script to init.d, but then it didnt start.
                    Maybe it was cause of not removing the amdpcsdb?

                    BUT, if I remove that file, where will the 4 lines for underscan be written?

                    /Söder

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                    • #30
                      well you can add that after that.

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