[lfs-dev] Xen DomU support

Bruce Dubbs bruce.dubbs at gmail.com
Thu Mar 5 21:08:30 PST 2015

JMW MVM wrote:
> Hello list,
> . After spending two days compiling LFS in a xen DomU, I ended up
> spending another 2 days trying to figure out why I couldn't get a
> login prompt after booting. It turned out to be something very simple,
> namely that LFS is only configured for tty's, whereas xen requires (at
> least in 4.3 and up, and probably all 4.1 and up) output to go to the
> hvc0 device. To get this to work, I ended up borrowing a line from my
> gentoo /etc/inittab:
> c0:2345:respawn:/sbin/agetty 38400 hvc0 linux
>   Having a line like this in the LFS inittab, even if commented out by
> default, could save a lot of time for people trying to install LFS on
> a DomU. Other than kernel compilation, which is covered here:
> http://wiki.xenproject.org/wiki/Mainline_Linux_Kernel_Configs, I don't
> really see anything else that would be standing in the way of LFS'ers
> getting up and running on xen DomU's. So if LFS could phase in initial
> support for xen, even if only in the form of a commented line in the
> inittab, I'm sure xen users would find that extremely helpful.

We could consider this.  However, it appears that the line above is 
non-standard.  The man page for agetty says it should be:

agetty  port baud_rate,...  [term]

Are you sure you have it right?

   -- Bruce

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