[Xen-bugs] [Bug 1595] New: vcpu pin can't work on PAE

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1595

           Summary: vcpu pin can't work on PAE
           Product: Xen
           Version: unstable
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Tools
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: jiajun.xu@xxxxxxxxx


Environment:
------------
Service Arch (ia32/ia32e/IA64): ia32
Guest Arch (ia32/ia32e/IA64): 
Guest OS Type (Linux/Windows):
Change Set: 21057
Hardware: Stoakely
Other:
xen-changeset:   21057:0475c567c708

pvops git: 
commit 4ebd1335d19117929e939878a2e38b6c92a0ffb7
Merge: 9b258d1... 485c44e...
Author: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>

ioemu git: 
commit 73cef2cca413c17f314724c66194315038ea66c3
Author: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Date:   Thu Mar 18 16:50:44 2010 +0000


Bug detailed description:
--------------------------
On our nightly machine(Stoakely), xm vcpu-list show a incorrect result, and the
xm vcpu-pin can't work. 

[root@vt-nhm2 ~]# xm vcpu-list
Name                                ID  VCPU   CPU State   Time(s) CPU Affinity
Domain-0                             0     0    11   -b-      23.2 any cpu
Domain-0                             0     1    11   -b-      23.2 any cpu
Domain-0                             0     2    11   -b-      23.2 any cpu
Domain-0                             0     3    11   -b-      23.2 any cpu
Domain-0                             0     4    11   -b-      23.2 any cpu
Domain-0                             0     5    11   -b-      23.2 any cpu
Domain-0                             0     6    11   -b-      23.2 any cpu
Domain-0                             0     7    11   -b-      23.2 any cpu
Domain-0                             0     8    11   -b-      23.2 any cpu
Domain-0                             0     9    11   -b-      23.2 any cpu
Domain-0                             0    10    11   -b-      23.2 any cpu
Domain-0                             0    11    11   -b-      23.2 any cpu

[root@vt-nhm2 ~]# xm vcpu-pin 0 0 0
Error: Cannot pin vcpu: 0 to cpu: [0] - (22, 'Invalid argument')
Usage: xm vcpu-pin <Domain> <VCPU|all> <CPUs|all>

And following is our grub arguments:

title Xen-unstable (ia32pae)
        root (hd0,2)
        kernel /boot/xen.gz iommu=1 msi=1 loglvl=all guest_loglvl=all
unrestricted_guest=1 com1=115200,8n1,0x1028,0 console=com1 sync_console
        module /boot/vmlinuz-2.6-xen ro root=/dev/sda3 console=hvc0
earlyprintk=xen ignore_loglevel
        module /boot/initrd-2.6-xen.img


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