libxl: Provide better error message when qemu restrict user not found

Add mention of LIBXL_QEMU_USER_RANGE_BASE, in case that is what the
user was intending.

Cc: Anthony Perard <anthony.perard@citrix.com>
Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Reviewed-by: Roger Pau Monné <roger.pau@citrix.com>

diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c
index bad3ef5b679d85430ff964d376ad45535cbe95d5..bd187463ec964cf5cbbbca391194457271992c79 100644 (file)
--- a/tools/libxl/libxl_dm.c
+++ b/tools/libxl/libxl_dm.c
@@ -1702,8 +1702,9 @@ static int libxl__build_device_model_args_new(libxl__gc *gc,
         }
 
         LOGD(ERROR, guest_domid,
-             "Could not find user %s%d or %s, cannot restrict",
-             LIBXL_QEMU_USER_BASE, guest_domid, LIBXL_QEMU_USER_SHARED);
+ "Could not find user %s%d or %s or range base pseudo-user %s, cannot restrict",
+             LIBXL_QEMU_USER_BASE, guest_domid, LIBXL_QEMU_USER_SHARED,
+             LIBXL_QEMU_USER_RANGE_BASE);
         return ERROR_INVAL;
 
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