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[xen-ia64-devel] dom0 memory not responding to changing dom0_mem

To: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
Subject: [xen-ia64-devel] dom0 memory not responding to changing dom0_mem
From: "David Brown" <dmlb2000@xxxxxxxxx>
Date: Fri, 15 Dec 2006 17:24:00 -0800
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I'm having problems changing my dom0 memory usage on the cmdline every
time I change the value it seems to ignore it and go to a default 453M
of memory.

I tried using xm mem-set Domain-0 128 but I then I couldn't start up
any domU systems.

I get this output from the console when I try to start up a domU after
cranking down the dom0 memory usage using xm mem-set

(XEN) domain.c:470: arch_domain_create:470 domain 1 pervcpu_vhpt 1
(XEN) tlb_track_allocate_entries:69 allocated 256 num_entries 256 num_free 256
(XEN) tlb_track_create:115 hash 0xf00000001bd7c000 hash_size 512
(XEN) ### domain f000000007d10080: rid=80000-c0000 mp_rid=2000
(XEN) arch_domain_create: domain=f000000007d10080
(XEN) xencomm_paddr_to_maddr: called with bad memory address: 0x14e48000 - iip=0

My elilo.conf entry looks like this

   append="sync_console dom0_mem=262144 root=/dev/sda2 3"

I've tried changing dom0_mem to 256M, 128M and the dom0 system keeps
coming up with 453M of memory.

This is all with the current xen-ia64-unstable.hg (I'm not sure if
this is the supposed to be the same as xen-3.0.4-testing.hg or not,
should I try that as well?).

- David Brown

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