Hi,

If this a problem, I can use another serial port on the machine.

But the latest available firmware (2.31) is installed...
Here is a dump of "info fw" in the EFI shell:
FIRMWARE INFORMATION
 Firmware Revision: 2.31 [4411]
 PAL_A Revision: 7.31/5.37
 PAL_B Revision: 5.65
 SAL Spec Revision: 3.01
 SAL_A Revision: 2.00
 SAL_B Revision: 2.31
 EFI Spec Revision: 1.10
 EFI Intel Drop Revision: 14.61
 EFI Build Revision: 1.22
 POSSE Revision: 0.10
 ACPI Revision: 7.00
 BMC Revision 1.52
 IPMI Revision: 1.00
 SMBIOS Revision: 2.3.2a
 Management Processor Revision: E.02.10

Andreas
Magenheimer, Dan (HP Labs Fort Collins) wrote:

This is on both serial and video. And yes, "root=/dev/sda2" works with standard Linux.

It's an rx2600.

Hmmm... mysterious. This is the same box I am using and the
same bits. Perhaps a baud rate problem on the serial port?
The hack I mentioned assumes 115200. (This can be configured
via the EFI shell.) When I am running Linux, I use
"console=ttyS0,115200" but I don't know if specifying a
different baud rate for Xen/ia64 will work (yet).
Otherwise could be different firmware versions, but one wouldn't
expect that to cause this kind of a problem.
When you boot real Linux with the same console= are you getting
boot output on the VGA display?
Dan

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