Default Xen PVM console?
rwatson at FreeBSD.org
Sun May 24 11:46:27 UTC 2009
On Sun, 24 May 2009, Scott Long wrote:
>>> 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.
Not sure I follow this comment: what I'm saying is that the Xen-specific
console device should not use the same device names as syscons, so that the
two can coexist in a single installation.
Robert N M Watson
University of Cambridge
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