[Xen-users] Troubles Using the serial console

[Erwan Velu <erwan@xxxxxxxxxxxx>]

I'm running xen 3.0.1 on the 2.6.12-26mdkxen0 mandriva kernel. (x86_64)

When I set the serial line using the following configuration, my serial 
output is truncated as show in
http://pastebin.ca/259403

title xen
kernel (hd0,0)/xen.gz com1=115200n8 console=com1 xencons=serial
module (hd0,0)/vmlinuz-2.6.12-26mdkxen0 root=/dev/sda2
module (hd0,0)/initrd-2.6.12-26mdkxen0.img

The system is not hang, it works perfectly except I can see my serial 
output.
Then I add the console=ttyS0 to the xen0 kernel, it will never boot 
(maybe locked due to the xen's serial bug).
title xen
kernel (hd0,0)/xen.gz com1=115200n8 console=com1 xencons=serial
module (hd0,0)/vmlinuz-2.6.12-26mdkxen0 root=/dev/sda2 console=ttyS0,115200
module (hd0,0)/initrd-2.6.12-26mdkxen0.img


Then I tried sync_console and it worked fine, icblenke from the irc 
channel (#xen) told me to report this issue.
title xen
kernel (hd0,0)/xen.gz com1=115200n8 console=com1 xencons=serial sync_console
module (hd0,0)/vmlinuz-2.6.12-26mdkxen0 root=/dev/sda2 console=ttyS0,115200
module (hd0,0)/initrd-2.6.12-26mdkxen0.img


Does anyone already saw that ? Keeping sync_console is quite annoying 
because it can generate some high latencies to xen :/ Any other solution 
for this problem ?
Thx

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