On 09/11/09 20:51, Andreas Jaeger wrote:
On Sunday 08 November 2009 07:57:01 Basil Chupin wrote:
-------- Original Message -------- Subject: Re: [opensuse-factory] Kernel clarification Date: Sun, 08 Nov 2009 17:37:08 +1100 From: Basil Chupin
To: opensuse-factory@opensuse.org On 08/11/09 06:54, Andreas Jaeger wrote:
On Saturday 07 November 2009 03:06:19 Basil Chupin wrote:
Forgot to mention: the CPU is AMD XP 3200+, 1.5GB RAM, 2x 500GB HDs,
The desktop kernel needs AFAIR PAE support, I'm not sure your CPU has it - that might be the reason for the installation of the default one.
In general: kernel-desktop runs on "newer" hardware only, kernel-default runs also on some older,
Andreas
Thanks for this Andreas, but then the puzzlement deepens because in 11.1 the pae kernel was installed on my computer. See the attached menu.lst.
I suggest to open a bugreport to get this resolved, I'm surprised as well but don't know everything ;).
See my other response to you a short time ago (stating that my Athlon DOES support pae). Before submitting any bug reports I want to get some facts straight, and what I suspect is occurring is that whoever put together the script for the 11.2 installer is as confused about what kernel does what and which features it's supposed to support. (Which is why someone, ?Carlos, asked for a listing of what each type of kernel is supposed to do.) For example, I just looked at menuconfig for the default kernel now installed with 11.2 on my computer. The first thing I saw was that pae *was* supported by the default kernel. (However, the kernel has the Pentium Classic as the cpu when it was compiled.) Having a kernel-pae then becomes a rather redundant kernel because kernel-default also supports pae. Obviously there must be other differences - and this is why a summary of what each kernel is supposed to do has to be provided. One other thing I still want to check and that is does the default kernel have the Time Frequency set to 1000Hz or is that really the province of kernel-desktop? I cannot check this because I forgot where this parameter is located, and I cannot find the detailed instructions I printed out on how to "fiddle" with the kernel to give it a bit of "oomph". The instructions were posted by someone in opensuse-help (I think) some months ago in the form of an URL where the details were to be found. If anyone remembers this URL could you please let me know? (BTW, it was using these instructions when I mentioned, in an earlier message [and see below], that I fiddled with the kernel some months ago.) So, I think that at this point what is required is a summary of what each kernel does/doesn't do. This is the starting point. Not having such a list I feel will continue to lead to misunderstandings and unnecessary debate.
I don't have earlier versions of oS installed on HDs so cannot check but I seem to recall the the pae kernel was also installed by at least one other earlier version of oS.
I also remember "fiddling" with a copy of the kernel in 11.1 to compile my own which had the (?some of the) qualities now in the desktop kernel eg,the Timer Frequency set to 1000Hz.
Am I wrong or isn't it the situation that if the kernel is compiled with parameters selected but which, in fact, are not available in the CPU then the kernel still does its job and uses those which ARE available? That is, it doesn't have a hernia, throw up its hands and runs off screaming into the distance :-) .
This works in some cases but not everywhere AFAIK,
Andreas
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