[Xen-bugs] [Bug 659] only one CPU is detected when dom0 boots up

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=659





------- Comment #1 from xiao.zhang@xxxxxxxxx  2006-05-28 20:55 -------
Just tested against 10176:6d476981e3a5 on IA-32e on Paxville(8G mem, 16LPs) 

what I do is:
1."cat /proc/cpuinfo"  -- I can only see one CPU 
2."xm vcpu-list" -- I can see multiple CPUs assigned to dom0.(Actually 16 LPs)
3."xm vcpu-set 0 16" -- The machine rebooted. Serial log is below:

Initializing CPU#15
Initializing CPU#12
Initializing CPU#14
Initializing CPU#3
Initializing CPU#13
Initializing CPU#8
Initializing CPU#9
Initializing CPU#2
Initializing CPU#11
Initializing CPU#5
general protection fault: 0000 [1] SMP 
CPU 5 
Modules linked in: video thermal processor fan container button battery ac
Pid: 0, comm: swapper Not tainted 2.6.16.13-xen0 #1
RIP: e030:[<ffffffff80114d68>] <ffffffff80114d68>
{smp_call_function_interrupt+88}
RSP: e02b:ffff880019ac7e88  EFLAGS: 00010006
RAX: ffff880000893fd8 RBX: 6f6320656220646c RCX: 000000000000011f
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 6f6320656220646c
RBP: ffff880019ac7ea8 R08: 000000003b9aca00 R09: 0000000000000000
R10: ffff88000088d1c0 R11: 0000000000000246 R12: 756f687320746168
R13: 0000000024206f74 R14: 000000000000011f R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffffffff8065e280(0000) knlGS:0000000000000000
CS:  e033 DS: 002b ES: 002b
Process swapper (pid: 0, threadinfo ffff880000892000, task ffff88000088ce40)
Stack: 0000000800000001 ffff88003d5d14c0 0000000000000000 ffff880000893e48 
       ffff880019ac7ee8 ffffffff80151ecc 0000000000000021 0000000000008f80 
       ffffffff80667b80 000000000000011f 
Call Trace: <IRQ> <ffffffff80151ecc>{handle_IRQ_event+92}
       <ffffffff80151fd3>{__do_IRQ+179} <ffffffff8010dbca>{do_IRQ+74}
       <ffffffff80307610>{evtchn_do_upcall+208} <ffffffff8010baa2>
{do_hypervisor_callback+30} <EOI>
       <ffffffff8010722a>{hypercall_page+554} <ffffffff8010722a>
{hypercall_page+554}
       <ffffffff8030753e>{force_evtchn_callback+14} <ffffffff8010902d>
{cpu_idle+221}
       <ffffffff80309cb6>{cpu_bringup+54}

Code: 41 ff d4 e8 40 04 02 00 45 85 ed 74 0e 0f ae f0 48 8b 05 91 
RIP <ffffffff80114d68>{smp_call_function_interrupt+88} RSP <ffff880019ac7e88>
 <0>Kernel panic - not syncing: Aiee, killing interrupt handler!
 (XEN) Domain 0 crashed: rebooting machine in 5 seconds.
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.


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