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[Xen-users] Re: Blank screen (but not frozen) on boot with Xen 4.1 and 2.6.38 pv_ops

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Claudiu CurcÄ <alexstrasza2@xxxxxxxxx>
  • Date: Thu, 19 May 2011 13:11:27 +0300
  • Delivery-date: Thu, 19 May 2011 03:13:08 -0700
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As a follow-up, there seems to be a workaround that works for me, at
least, on both 2.6.38 and 2.6.39-rc.

If you compile the framebuffer into your kernel and the kernel loads
it (I compiled the nouveau driver, since I have a nvidia card), the
display shows up as soon as the framebuffer loads.

Strange, though, that the plain-text console doesn't show anything...

2011/5/17 Claudiu CurcÄ <alexstrasza2@xxxxxxxxx>:
> Hello,
> I've installed a fresh Gentoo box and wanted to give pv_ops a try.
> After installing Xen 4.1 and fetching the latest 2.6.38 kernel, I've
> compiled the kernel and tried to boot it. On bare metal (no xen), it
> runs perfectly, but if I try to chainboot via xen, the machine boots
> fine (can connect to it via SSH and dmesg shows xen is working) but on
> the machine itself I have no image on the display. The video card is a
> nVIDIA 8500GT, for reference.
> After hitting <enter> in grub, I can see the XEN hypervisor booting
> (messages prefixed with (XEN) ) but when it gets to the actual dom0
> kernel, the image stays blank forever.
> XEN hypervisor log: http://pastebin.com/AYbP2VDT
> dom0 log: http://pastebin.com/dJFRfyYn
> dom0 kernel config: http://pastebin.com/DcF3tfS0
> As you can see, there's no kinky stuff involved, such as framebuffer
> or special drivers...
> Any thoughts/hints?

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