Am 14.06.2012 12:42, schrieb Stefan Hajnoczi: > The autoclear feature bits can be used for qcow2 file format features > that are safe to "drop" by old programs that do not understand the > feature. Upon opening the image file unknown autoclear feature bits are > cleared and the image file header is rewritten, but this was happening > too early in the code when critical header fields were not yet loaded. > > Process autoclear feature bits after all necessary header information > has been loaded. > > Signed-off-by: Stefan Hajnoczi <stefa...@linux.vnet.ibm.com>
Ouch... You don't have a qemu-iotests case to offer for the feature bit handling, by any chance? Kevin
