@@ -228,6 +228,18 @@ def live_cleanup(self):
def setUp(self):
vmlinuz = self.params.get('vmlinuz')
if vmlinuz is None:
+ """
+ The Linux kernel supports FUSE auto-submounts only as of 5.10.
+ boot_linux.py currently provides Fedora 31, whose kernel is too
+ old, so this test cannot pass with the on-image kernel (you are
+ welcome to try, hence the option to force such a test with
+ -p vmlinuz=''). Therefore, for now the user must provide a
+ sufficiently new custom kernel, or effectively explicitly
+ request failure with -p vmlinuz=''.
+ Once an image with a sufficiently new kernel is available
+ (probably Fedora 34), we can make -p vmlinuz='' the default, so
+ that this parameter no longer needs to be specified.
+ """
self.cancel('vmlinuz parameter not set; you must point it to a '
'Linux kernel binary to test (to run this test with ' \
'the on-image kernel, set it to an empty string)')