[Pm-utils] chvt is a quirk (at least with current nvidia binary drivers)

Victor Lowther victor.lowther at gmail.com
Wed Jul 2 05:16:22 PDT 2008


On Wed, 2008-07-02 at 10:19 +0200, Till Maas wrote:
> On Mon June 30 2008, Matthew Garrett wrote:
> > On Mon, Jun 30, 2008 at 07:04:38AM -0500, Victor Lowther wrote:
> > > On Mon, 2008-06-30 at 12:40 +0100, Matthew Garrett wrote:
> > > > The kernel will do a chvt even if you don't.
> > >
> > > That is an even better reason to not do a chvt if we don't have to worry
> > > about racing with X to reinitialize a video card.
> >
> > It's certainly an optimisation, but the time taken to switch between two
> > text consoles is pretty tiny.
> 
> It would be good if the chvt hook is removed from pm-utils without any 
> regressions, because it would reduce the requirements of pm-utils. For 
> Fedora, there was a request to remove the package that contains chvt as a 
> dependency for pm-utils, to make it easier to creat an 64 MB image for 
> ovirt[1].

Well, this patch will not allow us to remove a dependency on chvt -- the
only systems that we can get rid of it from are ones that have no quirks
and perform kernel modesetting (for now) -- chvt is what prevents the
video quirks from racing with X, so we can't get rid of it right now.

> Regards,
> Till
> 
> [1] https://bugzilla.redhat.com/show_bug.cgi?id=453005
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-- 
Victor Lowther
Ubuntu Certified Professional



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