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Re: Problems with PAE kernel sort of solved.



On 29/07/11 01:26 PM, Camaleón wrote:
On Fri, 29 Jul 2011 12:38:39 -0400, Frank McCormick wrote:

On 29/07/11 12:15 PM, Camaleón wrote:

     I have since discovered a couple of other people who have the same
problem...all on machines using older (circa 2002) Intel boards and
cpu's.

(...)

Then you better disable HT and use a "non-pae" kernel until someone can
provide more data on why/how the error is triggered. What happens with
a pae kernel of another distribution? Or with an own-complied kernel?
Are you experiencing the same? If "no", this can be a start point to
further debug the problem. If "yes"... well, time to upgrade that
motherboard or live with a 486 kernel O:-)


     this is /proc/cpuinfo with hyper-threading disabled..as you can see
PAE is still exposed and the PAE kernel boots fine.

Well, I was wrong. Is not "pae" but "ht" flag what you are looking here :-)

Also, check that you have ACPI enabled in the BIOS.

(...)

flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe up pebs bts
cid xtpr

(...)



What I am going to do is compare the kernel config files of the last of the 2.6.38 and .39 series and the first kernels where PAE was eanbled to see what is the difference. Maybe some other change is affecting me. We'll see.




--
Cheers
Frank


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