[Xen-users] Serial Console Problem

["Andrew Lyon" <andrew.lyon@xxxxxxxxx>]

Hi,

I configured serial console on my system today by adding
com1=115200,8n1 console=vga,com1 to my kernel line in grub:

title Xen 3.2.1 / Linux 2.6.21-xen
root (hd0,0)
kernel /xen.gz vtd=1 com1=115200,8n1 console=vga,com1
module /vmlinuz-2.6.21-xen root=/dev/sda2

The xen bootup messages are logged to the serial and vga consoles, and
initially the kernel messages are also displayed, but it stops after
"Freeing unused kernel memory: 208k freed"

I am able to login through agetty on ttyS0, so the serial port is
still working, it just stops logging after that line.

CONFIG_FB is disabled, I read that sometimes framebuffer console can
break serial console.

CONFIG_VGA_CONSOLE=y
CONFIG_VGACON_SOFT_SCROLLBACK=y
CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=256

Andy

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