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[Xen-bugs] [Bug 1775] distro package of xen-4.1 breaks system on botting

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Subject: [Xen-bugs] [Bug 1775] distro package of xen-4.1 breaks system on botting a vm
From: bugzilla-daemon@xxxxxxxxxxxxxxxxxxx
Date: Sun, 31 Jul 2011 08:49:55 -0700
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------- Comment #10 from johneed@xxxxxxxxxxx  2011-07-31 08:49 -------
ok; to correct last entries.

It seems that flask is fine.  On repeating it a number of times, for whatever
reason, on compiling the xensource package xen-4.1-testing.hg, it appears that
entries flask and acm will in fact compile fine. It seems that setting flask on
its own will fail, it depends upon xsm being set. Setting xsm om its own or
with flask works.

In fact, setting all 3, the package builds. But like the gentoo emerge, the
hypervisor breaks the system if ACM_SECURITY is set.  Setting use=ACM
presumably leads to setting ACM_SECURITY ?= n in the Config.mk. simple.  So the
flaw isn't in gentoo, it' in the source.  Like most everyone else in
gentooland, we don't know ACM.

ok so you don't know about flask, the question now is do you know about ACM.

Know here is an unexpected little extra.  After pointing out happily setting
dom0=<1500MB> in the previous bug worked, it has now stopped working.  On

gentoo64 grub # xm list
Name                                        ID   Mem VCPUs      State   Time(s)
Domain-0                                     0  7473     4     r-----    117.6
centos5.com                                  1   512     2     -b----      0.5

The kernel arg is being ignored it seems. xm mem-set will adjust it ok, but
it's not doing what it's told.  Foer fear of 'polluting' this one, shall I file
a new one for this?  It's clearly a trivial flaw.

Essentially a workaround to the essence of the bug is to exclude ACM.  Can it
be resolved??

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