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[osstest PATCH] dom0pvh: assign 1GB of memory to PVH dom0

  • To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Roger Pau Monne <roger.pau@xxxxxxxxxx>
  • Date: Wed, 22 Jul 2020 17:04:16 +0200
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  • Cc: ian.jackson@xxxxxxxxxxxxx, Roger Pau Monne <roger.pau@xxxxxxxxxx>
  • Delivery-date: Wed, 22 Jul 2020 15:04:50 +0000
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  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

Current tests use 512MB of memory for dom0, but that's too low for a
PVH dom0 on some hosts and will cause errors because memory is
ballooned out in order to obtain physical memory ranges to map foreign

Using ballooned out pages for foreign mappings also doesn't seem to
work properly with the current Linux kernel version, so increase the
memory assigned to dom0 to 1GB for PVH dom0 tests. We should see about
reverting this when using ballooned pages is fixed.

The runvar diff is:

+test-amd64-amd64-dom0pvh-xl-amd   dom0_mem 1024
+test-amd64-amd64-dom0pvh-xl-intel dom0_mem 1024

I've done a repro of the failed test on elbling0 with dom0_mem set to
1GB and it seems to prevent the issue, the flight is 152111.

Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
 make-flight | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/make-flight b/make-flight
index b8942c1c..85559c68 100755
--- a/make-flight
+++ b/make-flight
@@ -903,7 +903,7 @@ test_matrix_do_one () {
       job_create_test test-$xenarch$kern-$dom0arch-dom0pvh-xl-$cpuvendor \
                 test-debian xl $xenarch $dom0arch $debian_runvars \
                 all_hostflags=$most_hostflags,hvm-$cpuvendor,iommu \
-                xen_boot_append='dom0=pvh,verbose'
+                xen_boot_append='dom0=pvh,verbose' dom0_mem=1024



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