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Description of problem:
When i installed the RedHat Linux 7.2, using both kernels 2.4.7-2 and 2.4.9-13
the sistem freezes on boot. The motherboard is new and was changed recently, and
is an ASUS CUV4X-D, with an Apollo Pro133A Chipset.
I used the smp version of the kernels mentioned above and compiled a custom one
and the result is the same.
The curious is if i boot the old linux instaled on the machine, a Conectiva 5
Linux based on a 2.2 linux kernel, all things works fine!!!
Version-Release number of selected component (if applicable):
kernel smp 2.4.9-13 and custom ones.
Steps to Reproduce:
1.Simply boot the sistem using the smp version of the kernels provided by RedHat.
Actual Results: I have compiled the kernel 2.4.9-13, withou sucess. I am going
now to try a BIOS update.
Expected Results: i am here reporting this, waiting for help !!!! :-))
The computer is an ASUS CUV4X-D, with 2 PIII 1GHz and 1Gb of ram and is a part
of a Cluster Beowulf.
We are upgrading this Beowulf, changing the motherboards and the Linux version.
Actually, we are using a Conectiva Linux 5, based on Linux Kernel 2.2, and in
this linux, with his kernel version, the sistem works fine and no errors are
I got this message with both kernels:
WARNING: unexpected IO-APIC, please mail
I think this is a chipset issue.
Ok I think you're looking for the folling:
In the bios settings there's a setting called 'MPS 1.4' or similar (depends a
bit on the exact bios version you have). If you change the value of that it will
work (well it did for others, I don't have this mobo myself)
I am making tests now, and when i disabled this setting and all wokrs fine. I
have made this after read the comments about this issue.
Anyone knows what 'MPS 1.4' means?
Thanks a lot.
MPS stands for "multiprocessor specification" and comes in spec level 1.1 and
level 1.4. Somehow there's a "miscommunication" between the linux MPS code and
some ASUS bioses for format 1.4 tables. Who's to blame is unsure yet (but it's
only on ASUS motherboards :).
1.1 tables are a slightly different format and seem to work well.......