[Xen-bugs] [Bug 342] New: Unable to bring up SMP DomUs on x86_64 Xen

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=342

           Summary: Unable to bring up SMP DomUs on x86_64 Xen
           Product: Xen
           Version: unstable
          Platform: x86-64
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Guest-OS
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: aravindh.puthiyaparambil@xxxxxxxxxx


I was trying to bring up a SMP DomU on Xen x86_64. The DomU dies while booting
processor 1/1. This is in spite of the fact that I have set vcpus to 4 in the
DomU configuration file. I confirmed that the DomU kernel was compiled with SMP
turned on. I am seeing this on the Dell and ES7000 x86_64 boxes.

DomU BOOT OUTPUT
----------------
xenbox:~/xen/vm # xm create dom64_2 -c
Using config file "dom64_2".
Started domain dom64_2
Linux version 2.6.12-xenU (root@xenbox) (gcc version 3.3.3 (SuSE Linux))
#1 SMP Tue Oct 18 16:17:52 EDT 2005
kernel direct mapping tables upto 18000000 @ 474000-536000 Built 1 zonelists
Kernel command line:  root=/dev/sda1 ro 3 Initializing CPU#0 PID hash table
entries: 2048 (order: 11, 65536 bytes) Xen reported: 2992.694 MHz processor.
Dentry cache hash table entries: 65536 (order: 7, 524288 bytes) Inode-cache hash
table entries: 32768 (order: 6, 262144 bytes)
Memory: 381952k/393216k available (1669k kernel code, 10836k reserved, 560k
data, 136k init) Mount-cache hash table entries: 256
CPU: Trace cache: 12K uops, L1 D cache: 16K
CPU: L2 cache: 1024K
CPU: Physical Processor ID: 0
Booting processor 1/1 rip ffffffff80100008 rsp ffff880000575f58

SERIAL OUTPUT
-------------
(XEN) (file=traps.c, line=968) Non-priv domain attempted
RDMSR(00000000c0000080,00018000,00018000).
(XEN) (file=traps.c, line=960) Non-priv domain attempted
WRMSR(00000000c0000100,00000000,00000000).
(XEN) (file=traps.c, line=960) Non-priv domain attempted
WRMSR(00000000c0000102,00000000,00000000).
(XEN) (file=traps.c, line=968) Non-priv domain attempted
RDMSR(00000000c0000080,00000000,00000000).
(XEN) (file=traps.c, line=960) Non-priv domain attempted
WRMSR(00000000c0000100,00000000,00000000).
(XEN) (file=traps.c, line=960) Non-priv domain attempted
WRMSR(00000000c0000102,00000000,00000000).
(XEN) (file=traps.c, line=968) Non-priv domain attempted
RDMSR(00000000c0000080,00000000,00000000).
(XEN) (file=traps.c, line=968) Non-priv domain attempted
RDMSR(00000000c0000100,00000045,ffffffffff5fd000).
(XEN) (file=traps.c, line=968) Non-priv domain attempted
RDMSR(00000000c0000101,00000000,00000000).
(XEN) (file=traps.c, line=968) Non-priv domain attempted
RDMSR(00000000c0000102,80372b00,ffffffff).
stop_this_cpu disable_local_APIC

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