Can you try this patch?
8<----------------------
xen/balloon: cancel ballooning if adding new memory failed
If the balloon driver is adding additional memory regions to the
balloon and add_memory() fails it will likely continuously fail so
cancel the balloon operation.
Signed-off-by: David Vrabel <david.vra...@citrix.com>
---
drivers/xen/balloon.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index 5c660c7..45aca60 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -230,8 +230,8 @@ static enum bp_state reserve_additional_memory(long credit)
rc = add_memory(nid, hotplug_start_paddr, balloon_hotplug <<
PAGE_SHIFT);
if (rc) {
- pr_info("%s: add_memory() failed: %i\n", __func__, rc);
- return BP_EAGAIN;
+ pr_info("cannot add additional memory (%i)\n", rc);
+ return BP_ECANCELED;
}
balloon_hotplug -= credit;
--
1.7.10.4
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https://bugs.launchpad.net/bugs/1304001
Title:
xen:balloon errors in 14.04 beta
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