On Fri, Dec 29, 2006 at 11:02:56PM -0500, Steven M. Bellovin wrote: > I'm trying to build a dom0 system (4.0beta2) with a serial console. > The standard XEN3-DOM0 doesn't include a com port; however, it > includes XEN2_DOM0, which defines ISA com ports. My machine is (and > should be) ACPI, which is supported by the XEN3-DOM0 config file. > Accordingly, I added > ... > > I don't know why com0 is failing, unless perhaps it's because there's a > cable going to it. com1 is just a header on the motherboard. All I added to XEN2_DOM0 was this: com0 at isa? port 0x3f8 irq 4 # Standard PC serial port and com0 worked fine for me. I'm pretty sure ACPI in Xen is a real mess, but you'll have to wait for someone more knowledgeable to address that. --david
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