Re: intel agp card support 2

[Stijn De Weirdt <stijn.deweirdt@gmail.com>]

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@lanl.gov> 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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