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PostPosted: Sun Dec 04, 2005 6:23 am 
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Joined: Sun Oct 17, 2004 10:32 pm
Posts: 22

Hello all,

Everything went fine with R5A16 (which is a nice piece of software :lol: , thx Cecil, great job), flawless install through frame buffer device under 800x600 on TV screen.

The need for bootsplash made me try to switch to R5A26 ...

So, tried the classical but reliable way: the auto-install, which had always worked so great. Installed everything like always and stepped to the magic 'reboot' .

And there, got the message from the XF86config-4.log saying that my frame buffer device (/dev/fb0) was not found so X could not be launched.

Checked the md5sum, reburnt from another ISO, no way :cry:

Verified the XF86Config-4 file, tried /dev/fb1, tried with my old but working R5A16 X config file, no way :x

I dont see what could have changed so drastically from R5A16 that I could not have access to my frame buffer :roll: on R5A26

And , yes, I also tried the upgrade from R5A16 and white screen at the end ...


_________________________________________________________
mobo: VIA EPIA 800
no tuner card
R5A26
composite output on TV


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PostPosted: Wed Dec 07, 2005 3:26 am 
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Joined: Sun Oct 17, 2004 10:32 pm
Posts: 22
Perhaps it is because of the fact I dont have any tuner card installed ...

Can anybody tell me if he managed to install R5A26 on such a box ?
Or even, someone who knows what changed in this last release compared to R5A16 and concerning frame buffer driver ?

I have searched a lot, even in the wiki, but without success ...


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PostPosted: Wed Dec 07, 2005 7:06 am 
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Joined: Sun Jun 12, 2005 10:55 pm
Posts: 3161
Location: Warwick, RI
Hi hacen,
You should offer some information about your hardware as there maybe some unknown combinations that may noy not work. I would suspect you may have a corrupt burn which would give a bad install. Run the testcd on your install cd to make sure it is good.

I have played with a variety of hardware and never received a frame buffer error. Not until I messed with the XF86Config-4 anyway.

R5A26 is almost an "out of the box" run. Just a few setup menus and good to go, or as some say hot to go.
Mike


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PostPosted: Wed Dec 07, 2005 8:34 am 
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Joined: Sun Oct 17, 2004 10:32 pm
Posts: 22
Hi Mike,

As put on my first post signature, I have an EPIA 800 with C3, everything integrated. No tuner card, a 40GB Maxtor HDD and 128 MB SDRAM.
Note this config has always worked flawlessly 8) on previous versions of knoppMyth.

As for the bad burn, I have burnt it again and same behavior. testcd returns "everything looks ok" so it's definitely not a corrupt burnt.

I checked my XF86Config-4 file and everything seems there, tried with previous versions of this file (the one provided with R5A16, which worked well on the same hardware).

other :idea: ideas :idea: ?
thanks for your help ... :)


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PostPosted: Wed Dec 07, 2005 9:15 pm 
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Joined: Sun Jun 12, 2005 10:55 pm
Posts: 3161
Location: Warwick, RI
Hi hacen,
Sorry I missed the stuff below the line, I tend to use the lower res for the reading (bigger text) so I stopped at the line.

If the system ran fine with the A16, it should work with the A26. Did you enable the boot splash as there was something about some machines were not happy with the splash. You can disable it by changing the vga=normal in the lilo.conf. Then run lilo -v to install it, reboot to try again.

What kind of error messages do you see? Does the wall paper with the picture of our mentors show up for the desktop?

I'm not familiar with the EIPA series so can only offer some general ideas. Can you ssh into the box to do any testing?

Have a great day!
Mike


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PostPosted: Thu Dec 08, 2005 7:15 am 
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Joined: Sun Oct 17, 2004 10:32 pm
Posts: 22
Hi Mike,

Thanks for this help.
But, unhappily, :x , that did not seem to solve my X problem.

I did not enable bootsplash, just let it on default configuration, as it was after auto-install. By the way, I enabled bootsplash on my working R5A16 and it worked, without the progress bar but the boot is showing a nice background.

So I dont think I have a bootsplash issue.

As I told you, I am stuck right after install, X server displays the ERROR dialog and shows me the XF86Config-4.log!, Here is the error message I got (not exactly, just what I remember):

Quote:
Could not open /dev/fb0 device

Fatal server error:
no screens found


Anything else ?
I really can't see what I can do wrong, everything went so fine till this release .... :evil:

Have a good day too, mike

Hacen

:wink:


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PostPosted: Thu Dec 08, 2005 12:14 pm 
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Joined: Sun Jun 12, 2005 10:55 pm
Posts: 3161
Location: Warwick, RI
Hi hacen,

Ok, I'm with you now I think. It appears your XF86Config-4 file didn't detect properly. I have found that to work on that area, it is easiest to do a remote ssh in to the troubled box. Do as root # killall gdm Now you can do # startx and what should come up is a gray desktop on your KnoppMyth box. When you get there, you will be good to go and at that point do a control C followed with # gdm .

Before that, you are most likely going to have to edit the /etc/X11/XF86Config-4 file and look for something like
# The following line is auto-generated by KNOPPIX mkxf86config
Driver "nv"
VendorName "All"
BoardName "All"
# BusID "PCI:1:0:0"
The key is the driver is most likely the incorrect one, you should be able to use "vesa" to get it to start. Best if you know what your video really is called. This is not for Tv out, only the computer monitor out.

When you think you have fixed it, do a # startx again and if there is an issue, it will return to a prompt and you can study the errors. Then fix them one at a time. It will complain about some stuff but if it isn't fatal it will still run. That's when you have to do the control C :) to stop the xserver which is good. (control + alt +backspace if local on the troubled machine)

Hope this points you in the correct direction and maybe some else can shed some more light your way.

Have a great day!
Mike


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PostPosted: Thu Dec 08, 2005 1:55 pm 
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Joined: Sun Oct 17, 2004 10:32 pm
Posts: 22
Sorry Mike but I am not sure I understood everything : you want to do remote ssh on the box to be able to check step-by-step where the X server fails at ?

But my box is not accessible remotely , it is stand-alone, not under any network :cry:

Is there a way to do it locally ?

And I did not understand what you want to do by 'Ctrl-C' just after 'startx' and then followed by 'gdm' ?
If all this is just to access to /Etc/X11/XF86Config-4, it is useless since I already know how to access and modify that file through 'KnoppMyth' Live CD ....

So , please, can you explain to me what you are trying to do ? Sorry if I dont understand everything, I am no Linux Hacker :roll:

Anyway, thx for your time :P


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PostPosted: Thu Dec 08, 2005 8:28 pm 
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Joined: Sun Jun 12, 2005 10:55 pm
Posts: 3161
Location: Warwick, RI
Hi hacen,
I guess I assumed to much. Most folks have more than one computer and are on a private network behind a firewall/router. That would mean that you could use a second computer to remotely connect to the ailing box to make repairs/adjustments. Be it across the table or half way around the world, it would work the same way.

One note to start with, unless something is a typo which may not be obious, do not change case of letters in file names. The other $M os doesn't care but linux runs a tighter ship. /ETC/ is not the same as /etc/ so get in the habit of the correct case for communications with linux.

You can also work on your machine at a local consol, just enter ctrl + alt + F1, or alt + F1 , Not knowing what you have on the screen at this moment, I have to be vague. You can even try an alt + x if there is picture of Tux and his mentors but not to work on the xserver.

log into a consol if local, then as root
# killall gdm
# startx

If it returns to a prompt, there is a big error, if after a few moments there isn't a prompt returned, press ctrl + c as that will stop the xserver. That is what you want to see, no prompt.

If you have erros, then you need to edit the XF86Config-4 file
# nano -w /etc/X11/XF86Config-4
then scroll up & down through the script and replace the driver as I mentioned earlier. If you know what your video card is try that also. cirrus, ati, nv, nvidia, savage are just a few however vesa should work for almost all. Change nothing else, only one thing at a time. Once you have made a change. save it and try startx again till it runs. At that point, you can then run # gdm (gnome desktop manager) and KnoppMyth should light up.

To put your mind at ease, I am no hacker or guru either. I just have to do a lot of reading and experimenting. Some times I have to ask stupid questions to see the right light. If I break it so bad I can't fix it, re-install / upgrade, it is so easy with KnoppMyth. Cecil & Dale with their developers have done a terrific job!

Mike


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PostPosted: Mon Jan 09, 2006 3:01 pm 
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Joined: Sun Oct 17, 2004 10:32 pm
Posts: 22
I've tried everything mjl kindly advised me but the conclusion is nothing works.

But I have some news regarding the issue : it seems that the installation command : fb800x600 is the one which ends up with this X error.
When I try to install with knoppmyth command, everything goes flawlessly on a CRT monitor.

In what does the fb800x600 differ from the knoppmyth command ?


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PostPosted: Mon Jan 09, 2006 3:47 pm 
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Joined: Sun Jun 12, 2005 2:39 pm
Posts: 464
Location: UK
instead of fb800x600 or knoppmyth isn't there one called tv? I'm sure i read the fb one was more for installing on a notebook.


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PostPosted: Mon Jan 09, 2006 6:48 pm 
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Joined: Sun Jun 12, 2005 10:55 pm
Posts: 3161
Location: Warwick, RI
HI

A friend of mine just upgrade to R5A30 and was unable to obtain video out of his pvr-350. It also uses a frame buffer so this may apply since you are looking for composite out.

After I ran these two scripts, and did killall gdm, tested by running startx and the xsever came up fine. Depends how you start it use either control c or control + alt + backspace to kill the server.

fix-ivtv-driver

#<code>
#!/bin/bash
#
cd /tmp
wget http://membres.lycos.fr/badzzzz/ivtvdev_drv.o.gz
gunzip ivtvdev_drv.o.gz
install -c -m 0444 ivtvdev_drv.o /usr/X11R6/lib/modules/drivers/ivtvdev_drv.o
cp /usr/X11R6/lib/modules/drivers/ivtvdev_drv.o /home/mythtv/tools/
#<end code>

Had to do this also :
fix-framebuffer

#<code>
#!/bin/sh
#replaces the frame buffer file
#this is for the pvr-350 tv card
#
#to get picture out of 350 card, try this
rm -f /dev/fb0 #autodetect
rm -f /dev/fb1
mknod /dev/fb0 c 29 1
mknod /dev/fb1 c 29 1
chmod 666 /dev/fb0
chown mythtv:mythtv /dev/fb0
chown mythtv:mythtv /dev/fb1
/sbin/modprobe ivtv-fb
#<end code>

then :
killall gdm
startx #(testing for errors)
gdm

Maybe this is what you require also.
Mike


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PostPosted: Tue Jan 10, 2006 2:57 am 
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Joined: Sun Oct 17, 2004 10:32 pm
Posts: 22
mjl: sorry but I dont think this is the solution since I do not have any tuner card, and ivtv is a driver for PVR cards.
My card is a VIA EPIA with integrated video and TV out. Thanks for helping.

mad_paddler : interesting ... I will try that and tell you what I get.


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PostPosted: Tue Jan 10, 2006 7:29 am 
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Joined: Sun Jun 12, 2005 10:55 pm
Posts: 3161
Location: Warwick, RI
Hi hacen,

What are you trying to obtain a picture on? The computor monitor or the composite tv out? You don't need a tuner card for it to work. I run A26 on my laptop and since laptops don't have pci slots, it dosen't have a tuner either but everything else works.

Mike


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PostPosted: Tue Jan 10, 2006 9:36 am 
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Joined: Sun Oct 17, 2004 10:32 pm
Posts: 22
Hi mjl,

I was just saying that my system does not have a tuner card - and dont want one- so that tweaking with ivtv does not seem to be the solution.

I am on TV out so my output is on TV :wink:


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