Re: [Xen-users] xen console dimensions

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Tue, 2014-06-24 at 08:01 -0400, Austin S Hemmelgarn wrote:
> On 2014-06-24 07:42, Ian Campbell wrote:
> > On Tue, 2014-06-24 at 07:28 -0400, Austin S Hemmelgarn wrote:
> >> On 2014-06-24 07:12, Ian Campbell wrote:
> > You say it doesn't work whatever TERM= you use, does that extend to
> > setting TERM to whatever the containing terminal is using? It seems like
> > that should be the one case which ought to always work...
> Even when I set TERM to match what the terminal emulator sets itself,
> things don't work.  However, other things that depend on ANSI escape
> sequences working correctly (like colors and frames) work correctly
> under this case.

Yeah, how very strange.

> > TBH both xenconsle and terminal emulation are things which are mostly a
> > mystery to me. If someone who understood either (especially terminal
> > emulation side) wanted to dig in and figure out what is happening then
> > that would be awesome.
> > 
> > I suppose the other alternative is that the in guest kernel hvc driver
> > is interfering with escape codes somehow. That doesn't seem very likely
> > either though.
> Based on the fact that control sequences work correctly, I think that
> the guest side is probably limiting the terminal width by default.  I
> hadn't thought to test this before, but I wonder if the command 'resize'
> works correctly?  IIRC the hvc devices are treated just like VT's under
> Linux and NetBSD, and on both platforms the default when they can't get
> information about the attached device is to set the terminal width to 80
> columns.  I'll look into this and report back.

Many thanks!

Ian.



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