[Xen-users] SysRq over serial console, anyone?

[svenvan svenvan <svenvan.van@xxxxxxxxx>]

Hi,
Anyone was able to invoke sysrq over serial console for dom0?

my grub configuration:

title           Xen 4.0.1 / Debian GNU/Linux, kernel 2.6.32.47
root            (hd0,0)
kernel          /boot/xen-4.0.1.gz dom0_mem=1024M loglvl=all guest_loglvl=all com1=38400,8n1 console=com1
module          /boot/vmlinuz-2.6.32.47 root=UUID=5563bc26-6e98-4768-abee-5ca053e2795c ro nomodeset max_loop=255 console=hvc0 earlyprintk=xen nomodeset
module          /boot/initrd.img-2.6.32.47

tried with minicom and screen.  I can send break but then sysrq does not work.  Maybe something related to hvc0?
Any hints would be really appreciated
Thanks
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