(This is a re-post from Advogato, which I no longer use.)
21 Apr 2000 »
Still observer, must have someone with negative karma certifying me. Oh well. It’s not important.
Installed RH 6.2 and it installed a SMP kernel, and finally it was clear to me why my box never took one of my carefully handcrafted kernels on Caldera; my HP XU 6/200 DP has a funny IO-APIC settings, and Linux 2.2.14 does it wrong on my machine, whereas Linux 2.2.10 doesn’t. 2.3.99- pre5 (which is what I need to hack on for reiserfs) also does the wrong thing. So I have a choice: lose a processor, or become a temporary kernel hacker. I don’t have time for the latter, but it looks as if there’s approxmiately one of us on this planet using XU 6/200 DP’s and Linux together.
The cool thing is that through Dan Carosone, my tame NetBSD live in, it’s because my machine already maps the second processor at ID 16, whereas the OS’s expect only a 4 bit field here, and flake out. I might make it a modulus and see what happens.
2.3.99-pre5 freezes when I use X. Good thing: when I don’t use X, reiserfs-3.6.4++ works just fine.