[Xen-bugs] [Bug 479] New: (XEN) (file=memory.c, line=42) Only I/O-capable domains may allocate multi-page extents.

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=479

           Summary: (XEN) (file=memory.c, line=42) Only I/O-capable domains
                    may allocate multi-page extents.
           Product: Xen
           Version: unstable
          Platform: x86
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: dbarrera@xxxxxxxxxx
                CC: hohnbaum@xxxxxxxxxx,pl@xxxxxxxxxx


Running xm-test suite on PAE enabled build on SLES 9 SP2 box with 4GB of ram
causes a series of messages to show. The messages do not appear in any of the
other machines running the same workload, including those running with SLES 9 
SP2.

Hardware: IBM xSeries 335, 4GB of RAM
Software: PAE enabled Xen build on SLES 9 SP2 platform, changeset 

snippet of 'xm dmsg' after running xm-test
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: c0100000->c05dc004
(XEN)  Init. ramdisk: c05dd000->c05dd000
(XEN)  Phys-Mach map: c05dd000->c065a000
(XEN)  Start info:    c065a000->c065b000
(XEN)  Page tables:   c065b000->c0664000
(XEN)  Boot stack:    c0664000->c0665000
(XEN)  TOTAL:         c0000000->c0800000
(XEN)  ENTRY ADDRESS: c0100000
(XEN) Scrubbing Free RAM: ...........................................done.
(XEN) Xen trace buffers: disabled
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to 
Xen).
(XEN) microcode: CPU1 updated from revision 0x11 to 0x29, date = 08112004
(XEN) microcode: CPU2 updated from revision 0x11 to 0x29, date = 08112004
(XEN) microcode: CPU3 updated from revision 0x11 to 0x29, date = 08112004
(XEN) microcode: CPU0 updated from revision 0x11 to 0x29, date = 08112004
(XEN) mtrr: type mismatch for fd000000,800000 old: write-back new: 
write-combining
(XEN) mtrr: type mismatch for fd000000,800000 old: write-back new: 
write-combining
(XEN) (file=memory.c, line=42) Only I/O-capable domains may allocate multi-page
extents.
(XEN) (file=memory.c, line=42) Only I/O-capable domains may allocate multi-page
extents.
(XEN) (file=memory.c, line=42) Only I/O-capable domains may allocate multi-page
extents.
(XEN) (file=memory.c, line=42) Only I/O-capable domains may allocate multi-page
extents.
(XEN) (file=memory.c, line=42) Only I/O-capable domains may allocate multi-page
extents.
(XEN) (file=memory.c, line=42) Only I/O-capable domains may allocate multi-page
extents.

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