Hi,
We are running FC5 test1 on some HP DL380 G4 servers with the stock xen
and xen kernels supplied in FC5 release.
We have 2 servers, one has 6GB of RAM the other 4GB. Both machines
crash (lock up) on boot, I would have hoped to see 4GB of RAM and
functional Xen in either case. Last message I see is related to PCI
devices, I can try to capture the exact point of crash if it''s
necessary
but I''m hoping this is a known issue.
We can get the servers to boot if we limit the amount of memory that Xen
sees (mem=3583M on the Xen command line). The machine will crash if we
set mem=3584M (or leave Xen to it''s own devices) so it seems that 3583M
is the absolute RAM limit.
Does anyone know why Xen will not boot with >3583M of RAM and if there
is a workaround so that we can use 4096M in non-PAE mode?
The Xen provided by Fedora appears to be the Xen 3.0.0 release from
December 6, 2005. xen_caps shows xen-3.0-x86_32 so I assume PAE support
is not enabled.
This is my grub config in case description was not clear:
title Fedora Core (2.6.14-1.21_FC5hypervisor)
root (hd0,0)
kernel /xen.gz-2.6.14-1.21_FC5 mem=3583M
module /vmlinuz-2.6.14-1.21_FC5hypervisor ro \
root=/dev/VolGroup00/LogVol00 maxcpus=1
module /initrd-2.6.14-1.21_FC5hypervisor.img
Thanks,
Fraser
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