Xen devel - Apr 2007 - [Xen-deve] Hypervisor debug output missing

Hello.

I''m trying to get debug output from hypervisor by inserting few 
gdprintk(XENLOG_ERR,...)''s into xen/arch/x86/hvm/hvm.c. But there
isn''t any
signs of output in /var/log/messages, /var/log/kernel/errors, /dev/pts/n 
etc.

I need it because HYPERVISOR_event_channel_op(EVTCHNOP_unmask, ...) returns 
ENOSYS under HVM for no apparent reason.

I''ve browsed mailing list archives for no success, so anyone''s
help will be
appreciated.

Regards, Dmitri.


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Hi,

You can see hypervisor logs with "xm dmesg", or on serial console.

Best Regards,

Akio Takebe
>Hello.
>
>I''m trying to get debug output from hypervisor by inserting few 
>gdprintk(XENLOG_ERR,...)''s into xen/arch/x86/hvm/hvm.c. But there
isn''t any
>signs of output in /var/log/messages, /var/log/kernel/errors, /dev/pts/n 
>etc.
>
>I need it because HYPERVISOR_event_channel_op(EVTCHNOP_unmask, ...) returns 
>ENOSYS under HVM for no apparent reason.
>
>I''ve browsed mailing list archives for no success, so
anyone''s help will be
>appreciated.
>
>Regards, Dmitri.
>
>
>_______________________________________________
>Xen-devel mailing list
>Xen-devel@lists.xensource.com
>http://lists.xensource.com/xen-devel

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