No, not a HyperThreaded Pentium 4 Dual Xeon Extreme Edition(TM)... On a
lark, I decided to build a Pentium 166 (with a whopping 32MB RAM) system
from spare parts and boot a development version of Finnix
(www.finnix.org) on it. After Finnix was up, I decided to give UML a
try. This was the result:
(host) [EMAIL PROTECTED]:~# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 5
model : 2
model name : Pentium 75 - 200
stepping : 12
cpu MHz : 165.830
fdiv_bug : no
hlt_bug : no
f00f_bug : yes
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr mce cx8
bogomips : 332.76
(guest) [EMAIL PROTECTED]:~# uname -a
Linux finnix 2.6.15-um-finnix #1 Mon Jan 2 23:05:07 PST 2006 i586 GNU/Linux
(guest) [EMAIL PROTECTED]:~# cat /proc/cpuinfo
processor : 0
vendor_id : User Mode Linux
model name : UML
mode : skas
host : Linux finnix 2.6.15-4-x86-finnix #1 SMP Wed Mar 22
17:51:34 PST 2006 i586
bogomips : 69.42
Yes, i586 and SKAS seem to work fine. I was getting segfaults at random
times, but it turns out I was setting 64M for the guest, and the tmpfs
ramdisk that /tmp is mounted on was only 21MB, and much of that was
already used by the OS. (Unfortunately, Finnix must calculate an
appropriate size (80% of the total memory) and create the ramdisk before
any swap partitions can be taken into consideration.) I added a gig of
swap, created a different tmpfs partition with enough space, reset
TMPDIR, and it was fine after that.
So I guess that's my story: Yes, UML and SKAS will work fine with
relatively ancient hardware. I do plan on trying the same things with a
486 some day, but I'll have to find a working one first...
RF
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