http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=422
------- Additional Comments From lg...@us.ibm.com 2005-11-21 23:59 -------
Ian,
Here is the diff of two kernel config files I used:
# diff xen0_defconfig_x86_32_smp xen0_defconfig_x86_32_up
4c4
< # Mon Nov 21 06:54:23 2005
---
# Mon Nov 21 06:34:28 2005
54d53
< # CONFIG_CPUSETS is not set
82d80
< CONFIG_STOP_MACHINE=y
129,132c127
< CONFIG_SMP=y
< # CONFIG_SMP_ALTERNATIVES is not set
< CONFIG_NR_CPUS=8
< # CONFIG_SCHED_SMT is not set
---
152,154d146
< CONFIG_X86_LOCAL_APIC=y
< CONFIG_X86_IO_APIC=y
< # CONFIG_HOTPLUG_CPU is not set
158a151
# CONFIG_X86_UP_APIC is not set
166d158
< # CONFIG_PCI_MSI is not set
187d178
< CONFIG_X86_SMP=y
189d179
< CONFIG_X86_TRAMPOLINE=y
1283,1284d1272
< CONFIG_X86_FIND_SMP_CONFIG=y
< CONFIG_X86_MPPARSE=y
Is CONFIG_X86_UP_APIC or CONFIG_X86_IO_APIC=y the option that you were referring
to? I don't see CONFIG_X86_IOAPIC_UP in the config.