RE: [Xen-ia64-devel] domU stability

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

>From: Tristan Gingold
>Sent: 2005年11月15日 18:16
>Hi,
>
>I am trying xen-ia64-unstable.hg using changeset 7729.  Dom0 works well.
>However, domU seems pretty unstable: I got a lot of bad mpa:
>
>Event-channel device installed.
>Allocated mmap_vstart: 0xa000000200000000
>translate_domain_pte: bad mpa=0000010000000044 (>
>0000000010000000),vadr=e000010
>000000044,pteval=0010010000000661,itir=0000000000000760
>(XEN) Registering block device major 3
>
>NET: Registered protocol family 1
>NET: Registered protocol family 17
>translate_domain_pte: bad mpa=0000010000000054 (>
>0000000010000000),vadr=e000010000000054,pteval=0010010000000661,itir=000
>0000000000760
>(XEN) EXT3-fs: INFO: recovery required on readonly filesystem.
>EXT3-fs: write access will be enabled during recovery.
>kjournald starting.  Commit interval 5 seconds
>EXT3-fs: recovery complete.
>EXT3-fs: mounted filesystem with ordered data mode.
>VFS: Mounted root (ext3 filesystem) readonly.
>Freeing unused kernel memory: 224kB freed
>translate_domain_pte: bad mpa=0000010000000184 (>
>0000000010000000),vadr=e000010000000184,pteval=0010010000000661,itir=000
>0000000000760
>(XEN) +01translate_domain_pte: bad mpa=00000100000000dc (>
>0000000010000000),vadr=e0000100000000dc,pteval=0010010000000661,itir=0000
>000000000760
>
>However, I was able to log on domU (after many tries).
>
>Has any of you the same errors or is it ok ?
>
>Tristan.

Hi, Tristan,
        That warning is harmless, and currently the grant table pfn is hard 
code at 0x10000000000 in guest physical, which is out of normal guest memory 
range. When be/fe driver communicates, grant table entries are touched and then 
you saw above warnings.

Thanks,
Kevin

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