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Old 02-25-2004, 08:09 PM   #1
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Unhappy Stops at Uncompressing Linux... Ok, booting the kernel

I need help!

I've added some RAM to my system (now 1.5GB) and since the default kernel (2.4.22-smp on Mandrake 9.2) couldn't handle more than 960MB I've installed and tried a few different kernels (through urpmi).

Now since after trying to boot a kernel called 2.4.22-p3-smp-4GB or something (I have a dual P3 system), the boot sequence always stops after "Uncompressing Linux... Ok, booting the kernel", no matter which kernel I pick. Even kernels who were working before wont boot.

If I boot the Mandrake installation CD it can see my current installation. I've "updated it" and still get the same results.

I've also tried to revert back to my initial RAM setup and it didn't help.

Any idea where I should look at? If the installation disk can see my data, I have hope I can rescue my data!

Old 02-25-2004, 08:45 PM   #2
Registered: Jul 2003
Location: Brighton, Michigan, USA
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If you've gone into bios and saved your configuration with the new memory, you shouldn't have a problem. The 4GB extension is for users with more than 4GB of ram (up to 64GB, I believe). If your system doesn't revert back to working condition when you pulled the memory and resaved the bios again, it's likely not the memory.

I think, and this is just a guess, that the kernel changes are the problem. I'm not a real big fan of rpm-based kernel installs, for a number of reasons, a big one being that the kernel developers don't give it their (even half-hearted) blessing. There are just too many assumptions a packager has to make, about your system, about the software you have installed, and about the way you want your hardware set up. That, and you have to remember to update your bootloader to reflect the changes, something rpms don't often do for you.

It's almost always better to do an install using the instructions included with the kernel, and notes on the changes mandrake made when they built the one they shipped. Kernels seem harder to set up initially, but once you've done it a couple times, you'll prefer the level of control you have doing it yourself.

As for your data, it's still there, it's probably just that the kernel doesn't match the rest of your system. Use Knoppix or another cd-based distro to start Linux, then mount that partition, and pull your data off it. Alternately, you can use Knoppix to fix your system, but that may be outside your skill level or not worth the effort if you're new to Linux. If you are, a reinstall (you're no longer a newbie when you know how to avoid reinstalls ) is probably the easiest fix.

In time, you'll see what you did wrong, and it was probably a pretty minor thing, or perhaps something easily fixed, and this kind of thing won't be that big of a deal, but it's part of the learning curve we all go through. Unfortunately, when you start messing around with kernels and the system stops booting, it's a little hard to diagnose the problem.
Old 02-25-2004, 09:10 PM   #3
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I've fixed it.

It's because of another thing I did and I thought was not applied. I previously tried setting the "mem" parameter using DrakBoot. But then I've read against it, so I removed it. But for some reason the parameter was still in my lilo settings. I removed it from an "upgrade" through the installation CD and now all is fine.

I should stop using those GUIs and learn the real thing

Now lets find the best kernel for my system (Dual P3, 1.5GB RAM, mostly used for MySQL/Apache/Perl)...

Thanks scott_R from the quick response! That was my scariest Linux experience so far
Old 02-25-2004, 09:16 PM   #4
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But for some reason the parameter was still in my lilo settings
with that said, you probably just forgot to re-run lilo after making adjustments ...
Old 02-25-2004, 11:12 PM   #5
Registered: Jan 2004
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Distribution: Mandrake
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I have the same problem after I upgrade my kernel into 2.6.3... Grub problem... How do I configure my GRUB to boot on new kernel...?


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