Default Xen PVM console?
scottl at samsco.org
Sun May 24 11:31:56 UTC 2009
Robert Watson wrote:
> On Sun, 24 May 2009, Ed Schouten wrote:
>> * Adrian Chadd <adrian at freebsd.org> wrote:
>>> * Modify the xenconsole driver to attach to ttyv0 (via a kernel
>>> environment variable) so /etc/ttys doesn't need modifying (but this
>>> may confuse tools that assumes /dev/ttyvX == syscons.)
>> Please don't. Someone on IRC told me Xen also has some framebuffer
>> feature. Say, someone would port syscons to Xen, the naming would
>> conflict with the console device node. /dev/xc0 is good enough. I even
>> think it should have been called ttyx0, not xc0.
> Given that there will be increasing levels of support for "pass-through"
> hardware access in virtual machine environments and a trend in the
> direction of virtualization-friendly hardware, we shouldn't preclude the
> possibility of something a lot closer to syscons working inside of Xen
> in the future. This means we should leave the syscons device names open
> so that syscons can claim them if desired.
HVM mode already supports "pass-through" with syscons working in it.
That is orthogonal to the discussion of supporting the native
virtualization features of Xen.
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