Description of problem: Serial console inside an HVM domain works great from the kernel side. However, the boot loader grub is unable to use the serial console. The domain will just sit there and eat CPU time, without making any progress after having printed the first line. Version-Release number of selected component (if applicable): xen-3.0.2-23 How reproducible: Set up the HVM guest OS to use serial console. In /boot/grub/grub.conf: serial --unit=1 --speed=115200 terminal --timeout=5 serial console And for the guest OS: kernel /vmlinuz-2.6.9-39.EL ro root=/dev/VolGroup00/LogVol00 console=tty0 console=ttyS0,115200 Expected results: It would have been extremely useful to be able to get at the grub menu via serial console. I know some of our customers like manipulating all systems via serial console and may not have VNC access to their servers, even their virtual ones, so getting this issue fixed will matter to them.
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Just tried it with RHEL5.1, and the serial console for grub seems to work fine.
Oops, hit the wrong button.
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHEA-2007-0635.html