PV problem when using xenaccess

[quanzn]

Hi,
My xen version is 3.4.2, and kernel of dom0 and PV domU are all
2.6.18.8.
I get the latest xenaccess through svn.

The problem is that the xenaccess could not work correctly on the
first booted PV domU.
Then I boot the second PV domU, and the xenaccess could work
correctly.
If I boot more PV domU (e.g. 3rd or 4th), the xenaccess also doesn't
work correctly.
That is to say, no matter how many PV domU booted, the xenaccess can
only get the memory from one of them correctly. I tested this in two
different PCs, the condition is the same.

The failure message is as follows (maybe not exactly the same every
time,),

xc_map_foreign_range: ioctl failed: Bad address
xc_map_foreign_range: ioctl failed: Bad address
ERROR: address not in page table (0xc03342c0)
ERROR: failed to get task list head 'init_task'
failed to init XenAccess library: Bad address

Is it a bug in xenaccess for PV domU, or something else?

Thanks,
quanzn

[Bryan D. Payne]

This is odd. I know that there have been problems with PV support.
It's possible that you are helping to diagnose the problem. Either
way, I suggest using the latest LibVMI release, rather than the
XenAccess svn version. It would be nice to confirm if you have the
same problems with LibVMI that you are describing here.

Cheers,
bryan

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