I'm using a Intel E5-2603 v3 @ 1.60GHz CPU of 6 cores. However, the dom0 can
only find one core. here are some information that may helps in analyzing.
~$ uname -aLinux storage 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:11:08
UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
~$ cat /proc/cpuinfoprocessor : 0vendor_id : GenuineIntelcpu family
: 6model : 63model name : Intel(R) Xeon(R) CPU E5-2603 v3 @
1.60GHzstepping : 2microcode : 0x27cpu MHz : 1600.035cache
size : 15360 KBphysical id : 0siblings : 1core id :
0cpu cores : 1apicid : 0initial apicid : 0fpu :
yesfpu_exception : yescpuid level : 15wp : yesflags
: fpu de tsc msr pae mce cx8 apic sep mca cmov pat clflush acpi mmx fxsr sse
sse2 ss ht syscall nx lm constant_tsc rep_good nopl nonstop_tsc eagerfpu pni
pclmulqdq monitor est ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt
tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm arat epb
xsaveopt pln pts dtherm fsgsbase bmi1 avx2 bmi2 ermsbogomips :
3200.07clflush size : 64cache_alignment : 64address sizes : 46 bits
physical, 48 bits virtualpower management:
The result of 'dmesg' is at http://paste.ubuntu.com/13544065/, 'xl dmesg' is at
http://paste.ubuntu.com/13544201/There are errors related with ACPI, so I
modified the /etc/default/grub and changed the GRUB_CMDLINE_LINUX_DEFAULT from
null to "quiet splash acpi=force". After reboot, the ACPI errors of 'dmesg'
disappears. But still exists for 'xl dmesg' and dom0 can only find one core.
The new 'dmesg' and 'xl dmesg' result is at http://paste.ubuntu.com/13544610/
and http://paste.ubuntu.com/13544633/
I've also tried the solution at
http://lists.xen.org/archives/html/xen-devel/2012-06/msg00087.html and add
acpi_rsdp=0xbabfe000 , still fails.
Other informations:xentop - 00:51:08 Xen 4.4.11 domains: 1 running, 0
blocked, 0 paused, 0 crashed, 0 dying, 0 shutdownMem: 33451548k total, 8752508k
used, 24699040k free CPUs: 1 @ 1600MHz NAME STATE CPU(sec) CPU(%)
MEM(k) MEM(%) MAXMEM(k) MAXMEM(%) VCPUS NETS NETTX(k) NETRX(k) VBDS VBD_OO
VBD_RD VBD_WR VBD_RSECT VBD_WSECT SSID Domain-0 -----r 47 0.0
8388608 25.1 8388608 25.1 1 0 0 0 0
0 0 0 0 0 2
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