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Thread: Knoppix 5 1920x1080

  1. #1
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    Knoppix 5 1920x1080

    No matter what I try I can't get Knoppix 5 to use 1920x1080. Tried 3 different graphics cards. It always wants to use 1680x1050 or something else. Is there an easy fix?

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    Quote Originally Posted by Luke M View Post
    No matter what I try I can't get Knoppix 5 to use 1920x1080. Tried 3 different graphics cards. It always wants to use 1680x1050 or something else. Is there an easy fix?
    Unless you have a compelling reason to use the older version of Knoppix, I highly recommend switching to the more recent v6.x series. It boots faster, has the later kernel, and has compatibility with more recent hardware releases (and thus might very well work with your monitor "out of the box.")

    Cheers!
    Krishna

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    I have tried Knoppix 6 (6.2.1), and frankly, it's nowhere near as reliable as Knoppix 5. K5 has always worked for me, on a variety of hardware. K6 has been nothing but trouble.

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    Quote Originally Posted by Luke M View Post
    I have tried Knoppix 6 (6.2.1), and frankly, it's nowhere near as reliable as Knoppix 5. K5 has always worked for me, on a variety of hardware. K6 has been nothing but trouble.
    Perhaps you're using it mostly with older hardware? This would seem to be a problem with newer hardware, which K6 is good with, while K5 has more drivers for older stuff. Unfortunately, K5 also doesn't have the ability to add drivers, while K6 has the persistent store feature, which would be very useful here.

    Cheers!
    Krishna
    Last edited by krishna.murphy; 05-30-2010 at 01:51 PM. Reason: clarity

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    Well, I concluded that I'm a lot closer to getting K5 to work perfectly than I am to getting K6 to work perfectly. K6 seems to have deeper problems...many random explained boot crashes (this is on old but totally standard hardware - Intel CPUs and chipsets). And then there's compiz. Never mind how tasteless it is, the damn thing plain doesn't work. It's buggy as hell. What happened to good old icewm?I suspect the resolution problem is an artificial limitation, merely something missing from a config file.

  6. #6
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    Quote Originally Posted by Luke M View Post
    Well, I concluded that I'm a lot closer to getting K5 to work perfectly than I am to getting K6 to work perfectly. K6 seems to have deeper problems...many random explained boot crashes (this is on old but totally standard hardware - Intel CPUs and chipsets). And then there's compiz. Never mind how tasteless it is, the damn thing plain doesn't work. It's buggy as hell. What happened to good old icewm?I suspect the resolution problem is an artificial limitation, merely something missing from a config file.
    Perhaps you can search the web for a X11 config file; that worked for a problematic debian install I'm doing on a netbook. I think you'll need to do a hard drive install to make ANY change, though.

    As for "bug-y-ness", that is probably specific to the machines - unless you have a bad CD for 6.2. Have you run the self-checker? Just type in (at the boot prompt)
    Code:
    knoppix testcd
    or
    knoppix testdvd
    It appears that a lot of disks are turned into coasters instead of Knoppix, under Windows. You can burn again if your md5 sum is correct but the CD doesn't pass; try a slower speed, re-writable media, or terminating the Explorer process to make a good disk.

    Regarding Compiz, just type (again at the boot prompt)
    Code:
    knoppix no3d
    Let us know how it goes, and

    Cheers!
    Krishna
    Last edited by krishna.murphy; 05-30-2010 at 10:03 PM.

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    Quote Originally Posted by Luke M View Post
    ...many random explained boot crashes
    That should be UNexplained of course.

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    Quote Originally Posted by Luke M View Post
    Well, I concluded that I'm a lot closer to getting K5 to work perfectly than I am to getting K6 to work perfectly. K6 seems to have deeper problems...many random explained boot crashes (this is on old but totally standard hardware - Intel CPUs and chipsets).
    That's totally explanable. Most will blame it to bad CD or bad config, I think otherwise. I think this kind of problem mostly due to kernel config not quite fitting older hardware. Perhaps K6 did not maintain older hardware compatibility well.

    Quote Originally Posted by Luke M View Post
    And then there's compiz. Never mind how tasteless it is, the damn thing plain doesn't work. It's buggy as hell.
    Yes compiz also does not work well with older hardware, as it requires quite a bit of 3-D capability to do well. But at least it works for me.

    Quote Originally Posted by Luke M View Post
    What happened to good old icewm?I suspect the resolution problem is an artificial limitation, merely something missing from a config file.
    K6 works for me for my hardware. I have since upgraded a few Xorg libraries to yet newer ones - to support cairo-dock. I am not sure the newer libraries will do things correctly for all hardware, but for the least they do things correctly for me and yet they do not require a X11.conf. Yes, I don't have a X11.conf ! The newer trend in X11 is early graphic mode.

    What I am trying to say here is that, there will always be trade off between so-called "bleeding edge" verses compatibility. It's a choice one has to make.

  9. #9
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    [QUOTE=krishna.murphy;120441]Regarding Compiz, just type (again at the boot prompt)
    Code:
    knoppix no3d
    Of course I tried that, and it's worse; the boot crashes 100% of the time with that option. With the defaults, at least it usually boots.

  10. #10
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    Quote Originally Posted by kl522 View Post
    That's totally explanable. Most will blame it to bad CD or bad config, I think otherwise. I think this kind of problem mostly due to kernel config not quite fitting older hardware. Perhaps K6 did not maintain older hardware compatibility well.
    There were a lot of drivers removed (relative to K5, as I said before), for legacy/uncommon-today hardware. And a lot of drivers added for newer hardware, too. Bad CD/DVD burns and ISO downloads are pretty common, as well; fortunately that can be tested easily, and virtually nothing else is worth doing if that's the prob.
    Yes compiz also does not work well with older hardware, as it requires quite a bit of 3-D capability to do well. But at least it works for me.
    And many others. Obviously not all, though. I used to turn it off quite a lot, then I reconfigured the options for compiz (saved in the persistent store, of course.) In this case, perhaps a few hardware-related cheatcodes, i.e. noapic no3d might do the trick. Without hdinstall/re-mastering, K5 is probably never going to handle the graphics mode required.
    K6 works for me for my hardware. I have since upgraded a few Xorg libraries to yet newer ones - to support cairo-dock. I am not sure the newer libraries will do things correctly for all hardware, but for the least they do things correctly for me and yet they do not require a X11.conf. Yes, I don't have a X11.conf ! The newer trend in X11 is early graphic mode.
    Cool! How does that work? I had to grab a xorg.conf I found on the web to get my daughter's netbook to work with debian; I got used to Knoppix doing all the work for me.
    What I am trying to say here is that, there will always be trade off between so-called "bleeding edge" verses compatibility. It's a choice one has to make.
    Yes, and as you said, this is always the case. It's really cool that there are so many great choices - more all the time - and a community of people trying to make these things work well for others.

    Cheers!
    Krishna

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