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  1. Bug #1350373
  2. Comment #18

Comment 18 for bug 1350373

Revision history for this message
Stefan Bader (smb) wrote :

While checking Utopic I found

commit 434d59e0718f5fdf91ff9a9bb6c98887e42ba912
Author: David Vrabel <email address hidden>
Date: Tue Aug 5 11:49:19 2014 +0100

    x86/xen: use vmap() to map grant table pages in PVH guests

    commit 7d951f3ccb0308c95bf76d5eef9886dea35a7013 upstream.

    Commit b7dd0e350e0b (x86/xen: safely map and unmap grant frames when
    in atomic context) causes PVH guests to crash in
    arch_gnttab_map_shared() when they attempted to map the pages for the
    grant table.

Not sure PVH is considered to be working with Trusty (12.04) but if yes, this sounds like it might be backport to be requested. David?