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Author Topic: 4.6.2 base CD does not boot on AMD system  (Read 3573 times)

Offline moniker1

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4.6.2 base CD does not boot on AMD system
« on: October 29, 2012, 12:57:18 AM »
I downloaded the 4.6.2 iso images. Md5 sums check out, CD's were recorded at the lowest speed and the data verified.

The CD does not boot on this system: AMD phenom 965 CPU and Asus M5A97 motherboard with Nvidia 8800. Nothing fancy and there's nothing attached except an old fashion wired mouse and keyboard. About as vanilla as you can get.
The CD with version 4.1 boots without any problems. So I wonder why this doesn't work now.

Rather than boot the 4.6.2 CD's always spit out some numbers ending with:
 ---[end trace 4ea....]--- Fixing recursive fault but reboot is needed!
 INFO: rcu_sched_state detected stall on CPU 0 (+ = 18000 jiffies).

Anybody have any clues as to what this is about?

BTW. It does boot on an Intel machine down the hall.
« Last Edit: October 29, 2012, 01:04:12 AM by moniker1 »

Offline moniker1

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Re: 4.6.2 base CD does not boot on AMD system
« Reply #1 on: October 29, 2012, 03:43:08 AM »
Well, in reply to myself. I read in the topic 
"Remastered CD only works in some PCs" that Rich suggests using the boot code:
maxcpus=0. So I tried it and Tiny Core 4.6.2 booted. Looks okay so far.

Look ma, no CPUs.

I guess I'll have to look up what this means eventually.
Oh well.

Offline Rich

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Re: 4.6.2 base CD does not boot on AMD system
« Reply #2 on: October 29, 2012, 09:19:26 AM »
Hi moniker1
The  maxcpus  parameter is used to limit the number of CPUs the kernel will use. Zero is a special case, it limits
the kernel to one CPU, and also disables the IO APIC. There are many good sources for kernel boot codes, this
is the one I happen to use:
http://www.mjmwired.net/kernel/Documentation/kernel-parameters.txt