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-rw-r--r--block/vpc.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/block/vpc.c b/block/vpc.c
index 228f2c96e1..c9ebc4af30 100644
--- a/block/vpc.c
+++ b/block/vpc.c
@@ -300,6 +300,7 @@ static int vpc_open(BlockDriverState *bs, QDict *options, int flags,
      *      'win '  :  current_size     Hyper-V
      *      'd2v '  :  current_size     Disk2vhd
      *      'tap\0' :  current_size     XenServer
+     *      'CTXS'  :  current_size     XenConverter
      *
      *  The user can override the table values via drive options, however
      *  even with an override we will still use current_size for images
@@ -308,6 +309,7 @@ static int vpc_open(BlockDriverState *bs, QDict *options, int flags,
     use_chs = (!!strncmp(footer->creator_app, "win ", 4) &&
                !!strncmp(footer->creator_app, "qem2", 4) &&
                !!strncmp(footer->creator_app, "d2v ", 4) &&
+               !!strncmp(footer->creator_app, "CTXS", 4) &&
                !!memcmp(footer->creator_app, "tap", 4)) || s->force_use_chs;
 
     if (!use_chs || bs->total_sectors == VHD_MAX_GEOMETRY || s->force_use_sz) {