Re: Hyperthreading and debian kernels
On Wed, 12 Jan 2005, Rem wrote:
> I've encoutered some problems this afternoon ( France guys, it's 9am
> right now ;) ). I tried to install a debian on this hardware :
>
> Intel i865 + dual DDR 400
> Pentium 4 HT
> ICH5 controller but I use one P-ATA ( IDE ) Drive.
>
> I tried debian testing, with 2.6.3 kernel default, it works fine, but
> Hyperthreading is not assumed, even if I enabled it in BIos. So I
> recompiled the kernel, the debian 2.6.8. First, this fuck... sh.. refuse
> to boot, unable to mount root fs. This is not my first kernel
> recompilation, I have already compiled more than 100 kernels on several
> computeur and servers and wrote article about it, it's my job ( System
> engineer ). There is no log, due to the quick kernel panic, and my ide
> controller is "built-in", such as my FS. My /boot/grub/menu.lst is good
> too. So I tried a 2.6.7 from kernel.org,and of course it works great
> with the same .config and even a 2.6.10 still from kernel.org and it
> works really good too. Well, the 2.6.8 sucks...but I don't care, my
> 2.6.10 is allright.
2.6.8 has known acpi problems for smp boards that prevent booting, yes.
due too the big pile of fixes it is not possible to backport that without
destabilising the debian sarge kernel.
> Another thing interesteding, if I activate HT in the bios, and SMP is
> set, the kernel won't boot, whatever the kernel version ( 2.6.8 2.6.7
> and 2.6.10 ). It bugs, and shows messages about APIC and Null pointer
> exception, it look likes the 2 virtuals processors don't run well
> together. I don't understand why, is there something special to activate
> ? In fact, it's just the SMP option who matters, SMT or not SMT.
try the smp 2.6.10 kernel-image from unstable,
that one should work.
a++ maks
Reply to: