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[Xen-devel] [BUG] Xen vm kernel crash in get_free_entries.

  • To: xen-devel@xxxxxxxxxxxxx
  • From: Astarta <astarta@xxxxxx>
  • Date: Wed, 16 Oct 2013 10:28:02 +0400
  • Delivery-date: Wed, 16 Oct 2013 11:02:39 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>


This is a some kind of a follow up to the http://lists.xen.org/archives/html/xen-devel/2013-09/msg03109.html ( Linux 3.11.1 HVM guest kernel crash when started with xl (get_free_entries)).

Looks like we've here the similar issue.

Xen VM with 3.8.13 kernel crashes in get_free_entries (kernel BUG at drivers/xen/grant-table.c:1181!), i.e in: BUG_ON(grefs_per_grant_frame == 0);. 3.11.5 kernel behaves in exactly the same way.

Whole kernel log is attached. It does not contain any "Grant tables using version" message.

Seems that gnttab_request_version() has was never executed, so grefs_per_grant_frame was never set.

Could you please advice on this issue?
I'm ready to provide any further information if required.

I'm not subscribed, so please add me to CC, so that I can see replies.


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