Re: [Xen-devel] intel agp card support 2

[Andrew Warfield <andrew.warfield@xxxxxxxxx>]

If you are working out of the unstable tree you will need to reinstall
the tools if you haven't done so since the end of last week.  We've
added a switch for control messages below xend, and the error looks a
bit like it isn't running.

a.


On Thu, 6 Jan 2005 17:36:30 +0100, Stijn De Weirdt
<stijn.deweirdt@xxxxxxxxx> wrote:
> no output from xm dmesg. so something else must be wrong (and probably
> my fault ;)
> output from xm dmesg after xend start
> 
> (111, 'Connection refused')
> Error: Error connecting to xend, is xend running?
> 
> no so good
> 
> /var/log/xend.log
> [2005-01-06 17:00:50 xend] INFO (SrvDaemon:607) Xend Daemon started
> 
> /var/log/xend-debug.log
> xu_notifier_new()
> error connecting to xcs(ctrl)! (111)
> Traceback (most recent call last):
>   File "/usr/sbin/xend", line 121, in ?
>     sys.exit(main())
>   File "/usr/sbin/xend", line 107, in main
>     return daemon.start()
>   File "/usr/lib/python2.2/site-packages/xen/xend/server/SrvDaemon.py",
> line 522, in start
>     self.run()
>   File "/usr/lib/python2.2/site-packages/xen/xend/server/SrvDaemon.py",
> line 610, in run
>     self.listenNotifier()
>   File "/usr/lib/python2.2/site-packages/xen/xend/server/SrvDaemon.py",
> line 629, in listenNotifier
>     p.startListening()
>   File "/usr/lib/python2.2/site-packages/xen/xend/server/SrvDaemon.py",
> line 90, in startListening
>     self._connectToProtocol()
>   File "/usr/lib/python2.2/site-packages/xen/xend/server/SrvDaemon.py",
> line 108, in _connectToProtocol
>     self.startReading()
>   File "/usr/lib/python2.2/site-packages/twisted/internet/abstract.py", line 
> 205
> , in startReading
>     self.reactor.addReader(self)
>   File "/usr/lib/python2.2/site-packages/twisted/internet/pollreactor.py", 
> line
> 89, in addReader
>     self._updateRegistration(fd)
>   File "/usr/lib/python2.2/site-packages/twisted/internet/pollreactor.py", 
> line
> 52, in _updateRegistration
>     poller.unregister(fd)
> ValueError: file descriptor cannot be a negative integer (-1)
> 
> (i tried the writing to /dev/mem, and as ian guessed, it doesn't solve it)
> 
> stijn
> 
> On Thu, 6 Jan 2005 08:51:00 -0700 (MST), Ronald G. Minnich
> <rminnich@xxxxxxxx> wrote:
> >
> >
> > On Thu, 6 Jan 2005, Ian Pratt wrote:
> >
> > > This might get you a stage further, but it will fail as soon as the
> > > driver tries to access the frame bufffer via /dev/mem. We really need to
> > > get to the bottom of whis this is failing on your system. Please can you
> > > post the output of 'xm dmesg'.
> >
> > I should be clearer. What we do here is get vgabios into a file, and then
> > tell our emulator to use the file as the 'C segment' but to use /dev/mem
> > for everything else. In that way we init the physical hardware. X11 ought
> > to do this but I do not know if they support the option it at this point.
> > It's easy: our code is just mods to the X11 emulator.
> >
> > Is there any easy way to dump the mfn's for a guest -- that would tell us
> > right away what is going on -- we should see pfn 0xc0 map to mfn
> > 0xc0, i.e. dom 0 physical c0000 maps to vga bios at machine 0xc0000.
> >
> > This is where having /proc/sys/xen/dom/#/{mem,mfn,etc} would be VERY handy
> > :-)
> >
> > ron
> >
> 
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