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Old 04-24-2008, 03:33 PM   #1
Romanus81
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Cannot Start X after installing new kernel


I compiled the new kernel 2.6.25 kernel and added APM support, which finally fixed a problem I've had where I can't shut down my PC completely, the problem is that I can't "start x", I just get a black screen. No mouse, the keyboard doesn't react, ctrl+alt+bksp doesn't do anything, neither does alt+F1-4, and my only option is to reboot. I didn't make any changes to my xorg, in fact, if I use my Slackware CD to boot into the default kernel, everything works fine except the shut down. Where did go wrong?
 
Old 04-24-2008, 03:46 PM   #2
raskin
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First, does Alt-SysRQ-s (low-level combination to sync disks) make HDD LED blink ? Or does Alt-SysRQ-b reboot the box? That can determine if your kernel is fully locked up.. Also, what is in /var/log/X.0.log after reboot? Do you try to use DRI (3D acceleration)?
 
Old 04-24-2008, 03:55 PM   #3
regis_n_bits
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What video card do you have, and what driver are you using?

If you have an nVidia card, and are using the proprietary driver from nVidia, you would have to generate a new module for your new kernel. And I don't think the 169.12 version of the nvidia driver will compile with the 2.6.25 kernel (you may need to use a patch on the nVidia driver).

Look at this link for more information (it talks about using the latest release candidate for the 2.6.25 kernel):
http://http://www.nvnews.net/vbulletin/showthread.php?t=110088
or this one:
http://www.nvnews.net/vbulletin/showthread.php?t=112007
 
Old 04-25-2008, 05:43 AM   #4
janhe
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You compiled a new kernel. The place where the most errors occur during kernel upgrades is in configuring the kernel (make menuconfig, make oldconfig, whatever you use)

The way I see it, there are 2 possibilities:

1) linux 2.6.25 has a bug in some code that is needed to control your video card
2) you have misconfigured something in the kernel that is needed to control your video card

There's a good chance possibility 2 caused your problem
 
Old 04-25-2008, 08:06 AM   #5
duryodhan
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Registered: Oct 2006
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Quote:
First, does Alt-SysRQ-s
you mean alt+printscreen+s ... alt+printscr == SysRQ iirc
 
Old 04-25-2008, 08:09 AM   #6
em21701
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I second regis_n_bits statement, if you have an nvidia card you will have to rebuild the driver.
 
Old 04-25-2008, 02:21 PM   #7
raskin
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duryodhan : on good keyboards (even on notebook ones) the key is marked "Print Screen/SysRq" (my Genius keyboard even spells out Print Screen without abbreviations) And official name of the feature is "magic SysRq". Semantics of SysRq name seems to be "System Request", so it is logical to use that name.
 
  


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