Alexandra (Sasha) Fedorova wrote:
> I installed OpenSolaris from SXDE 1/08 (build 79a),
> which also includes Solaris xVM. I configured Xen to
> output its messages to the serial console, as
> described here:
> http://www.opensolaris.org/os/community/xen/docs/serial-console/.
> When I booted xVM, everything worked as
> expected: I was able to see Xen messages on the
> serial console and I was also able to switch the
> console between Xen and dom0 (by pressing Ctrl-a
> three times), and saw console messages from dom0.
>
> Then I downloaded Xen source from the build 79
> on-gate: http://dlc.sun.com/osol/on/downloads/b79/. I
> built a new xen.gz image and copied it on the machine
> where I run Solaris xVM. Then I booted the newly
> compiled xen.gz image, and found that although I was
> still able to switch the console between Xen and
> dom0, I was not getting any output from dom0 (I did
> get the output from Xen). I did not change the dom0
> guest. It was the guest that comes with SXDE 1/08
> (b79) and that was able to print to serial console
> when the xen.gz from SXDE 1/08 was loaded. All I did
> was recompile xen.gz, and now dom0 can't output to
> serial console.
>
> Any idea what could be the reason?
I'm using option "-B console=ttya" on the unix line in
the /boot/grub/menu.lst file to send dom0 console output
to the serial console.
Like this (But in this exsample I'm using com2 / ttyb):
title Solaris xVM, Console ttyb
kernel$ /boot/$ISADIR/xen.gz com2=9600,8n1 console=com2
module$ /platform/i86xpv/kernel/$ISADIR/unix
/platform/i86xpv/kernel/$ISADIR/unix -B console=ttyb -kv
module$ /platform/i86pc/$ISADIR/boot_archive
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