Re: xen-4.3 port

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

On Tue, Jan 28, 2014 at 11:21:34PM +0400, Igor Kozhukhov wrote:
> Hello All,
> 
> i'm working on port xen-4.3 to DilOS (illumos based platform).
> 
> i have problems with PV guest load.
> dom0 started, i can see info by 'xl info'.
> 
> first: i see platform ID=38, but i couldn't found it in xen/public/platform.h
> 
> Jan 28 01:16:44 myhost privcmd: == HYPERVISOR_platform_op 38
> Jan 28 01:16:44 myhost privcmd: unrecognized HYPERVISOR_platform_op 38
> 
> could you please let me know - what is it the 38 platform hypercall ?

tmem_op
> 
> next problem: i try to create a new PV guest by 'xm create dilos.cfg'
> i see on dom0 logs requests to hypercall ID=38 - i see it is __HYPERVISOR_tmem_op

You sure it is dom0? Not the guest?

> 
> do i need implement it first ?

No. But you should have stub functions in your hypercall page to at least
return -ENOSYS for everything you don't implement.

How do you construct your hyperpage?
> 
> i have error with :
> root@myhost:/xen# xm create dilos.cfg 
> Using config file "./dilos.cfg".
> Error: (1, 'Internal error', 'panic: xc_dom_boot.c:197: xc_dom_boot_domU_map: failed to mmap domU pages 0x0+0x826 [mmap, errno=6 (No such device or address)]')
> 
> could you please let me know - how to identify by Xen sources - what i need implement/fix on my dom0 sources ? 
> 
> maybe - how to get more debug info ?
> i have output from Xen to serial console and i can get statistic, but have no more information about problem with PV guest creation.
> 
> --
> Best regards,
> Igor Kozhukhov
> 
> 
> 
> 
> 
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