Startx starts XFree86 and a bunch of clients and does god knows what
depending on what your Linux distribution has it doing. Yes you can
run XFree86 and then start twm without startx. Something like:
XFree86 -ac &; twm -display :0
should work. You can also run "xinit". If that's also too slow,
read your ~/.xinitrc or /etc/X11/xinit/xinitrc to see what it's doing.
Mark.
On Fri, 5 Nov 2004, Michael Hamilton wrote:
> What's the difference between running startx and Xfree86? I was able to
> run Xfree86 pretty quickly. Is there a way to load Xfree86 then start
> twm afterwards?
>
> -----Original Message-----
> From: Mark Vojkovich [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, November 03, 2004 4:41 PM
> To: [EMAIL PROTECTED]
> Subject: RE: [XFree86] X on embedded Systems
>
> On Wed, 3 Nov 2004, Michael Hamilton wrote:
>
> > Yes I am using startx. I am using a relatively fast 1gig Compact Flash
> > (still slower than a hard drive though) and a ricoh EB1 1.4Ghz
> > Processor.
>
> It might just be the time it takes to read the flash. That
> stuff's pretty slow. But with 512 Meg of ram, I'd expect it to be
> considerably faster the second time you started the server.
>
>
> > 512 megs of ram. The ramdisk is 12 megs and loads the root file system
> > and some libraries specific to our application. I contemplated putting
> X
> > in ramdisk but then ramdisk would be massive. Is there an alternative
> to
> > starting x without using startx? Again I am using TWM, which doesn't
> > have very good documentation. It's possible that it is slow as well.
>
> startx is OK and twm is pretty lightweight. I suggest just
> starting "XFree86" to see if that comes up faster (quit with
> <ctrl><alt><bkspc>). If XFree86 isn't faster than startx, then
> startx is off the hook. If you run XFree86, quit and then run
> XFree86 again and it comes up very much faster the second time
> then that implies that the flash is slow.
>
> Mark.
>
> >
> > -----Original Message-----
> > From: Mark Vojkovich [mailto:[EMAIL PROTECTED]
> > Sent: Tuesday, November 02, 2004 5:49 PM
> > To: [EMAIL PROTECTED]
> > Subject: RE: [XFree86] X on embedded Systems
> >
> > Are you using startx? If so, is it faster when running XFree86
> > directly without any clients?
> >
> > I can't recall ever seeing X start up so slowly. How fast
> > is this CPU? Does this system have a disk drive? If so, are
> > you using DMA? My first instinct would be that this is a disk
> > problem or you're starting more than you think you're starting.
> > Which XFree86 driver is this?
> >
> >
> > Mark.
> >
> > On Tue, 2 Nov 2004, Michael Hamilton wrote:
> >
> > > We use twm as our windows manager and X starts up and the X sits
> there
> > > for ages before an xterm or anything can start up. It's about 10
> > seconds
> > > (consistently).
> > >
> > > -----Original Message-----
> > > From: Mark Vojkovich [mailto:[EMAIL PROTECTED]
> > > Sent: Tuesday, November 02, 2004 4:05 PM
> > > To: [EMAIL PROTECTED]
> > > Subject: Re: [XFree86] X on embedded Systems
> > >
> > > Is starting X a performance problem for you? Without a window
> > > manager it's only takes a second for XFree86 to start over here.
> > > I thought this was fairly quick already.
> > >
> > > Mark.
> > >
> > > On Tue, 2 Nov 2004, Michael Hamilton wrote:
> > >
> > > > Can you make any suggestions on making X start up faster (or
> appear
> > > to)
> > > > on an embedded system? I have already tried tweaking the font
> > > situation
> > > > (loading them with fontpath rather than the font server). Is it
> > > possible
> > > > to preload X somehow before the UI comes up, perhaps early in
> system
> > > > startup or in parallel with other programs?
> > > >
> > > > Thanks for any suggestions.
> > > > -M
> > > >
> > > >
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