I'm having trouble with IBM xseries 345/dual Xeon 2.66GHz showing only
one processor. At boot I see "SMP motherboard not recognized". Using
title CentOS (2.6.18-8.1.8.el5xen)
root (hd0,0)
kernel /xen.gz-2.6.18-8.1.8.el5
module /vmlinuz-2.6.18-8.1.8.el5xen ro
root=/dev/VolGroup00/LogVol00 rhgb quiet
module /initrd-2.6.18-8.1.8.el5xen.img
have tried acpi=no (causes boot-hang), acpi=ht (boot hang), noapic (no
effect), and noht (no effect)
Booting to gentoo-minimal CDrom shows expected 4 cores (dual HT) with
cat /proc/cpuinfo, only 1 using 2.6.18-8.1.8.el5xen
Any ideas?
many thanks
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