[Xen-bugs] [Bug 364] New: boot cpu and secondary cpu info differ in dom0 SMP

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=364

           Summary: boot cpu and secondary cpu info differ in dom0 SMP
           Product: Xen
           Version: unstable
          Platform: All
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Hardware Support
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: ryanh@xxxxxxxxxx


cpu_data in secondary processors diff from boot cpu.  It seems that boot
cpu_data is not correct:

(bebop) ~ % cat /proc/cpuinfo
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 5
model name      : unknown
stepping        : 10
cpu MHz         : 2193.750
cache size      : 0 KB
fdiv_bug        : no
hlt_bug         : yes
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat pse36 clflush
mmx fxsr sse sse2
bogomips        : 0.00

processor       : 1
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 5
model name      : AMD Opteron(tm) Processor 248
stepping        : 10
cpu MHz         : 2193.750
cache size      : 1024 KB
fdiv_bug        : no
hlt_bug         : yes
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat pse36 clflush
mmx fxsr sse sse2 syscall nx mmxext lm 3dnowext 3dnow
bogomips        : 4377.80


%(bebop) diff -u p0.out p1.out
--- p0.out      2005-10-25 20:20:39.000000000 -0500
+++ p1.out      2005-10-25 20:21:06.000000000 -0500
@@ -1,11 +1,11 @@
-processor      : 0
+processor      : 1
 vendor_id      : AuthenticAMD
 cpu family     : 15
 model          : 5
-model name     : unknown
+model name     : AMD Opteron(tm) Processor 248
 stepping       : 10
 cpu MHz                : 2193.750
-cache size     : 0 KB
+cache size     : 1024 KB
 fdiv_bug       : no
 hlt_bug                : yes
 f00f_bug       : no
@@ -14,5 +14,5 @@
 fpu_exception  : yes
 cpuid level    : 1
 wp             : yes
-flags          : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat pse36 clflush
mmx fxsr sse sse2
-bogomips       : 0.00
+flags          : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat pse36 clflush
mmx fxsr sse sse2 syscall nx mmxext lm 3dnowext 3dnow
+bogomips       : 4377.80

DOM0 SMP, x86_32, dual-opteron.
% hg tip
changeset:   7484:e47f04c55eb1
tag:         tip
user:        vhanquez@xxxxxxxxxxxxxxxxxxxxxxx
date:        Mon Oct 24 06:57:37 2005 +0100
summary:     compute the correct totalram_pages when the balloon increase or
decrease the

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