From 4aff77c8518fc32727291aa01a658036b3b62118 Mon Sep 17 00:00:00 2001 From: Trevor Gamblin Date: Thu, 22 Apr 2021 11:48:53 -0400 Subject: [PATCH] ref-manual/variables.rst: Add incompatibility warning for SERIAL_CONSOLES_CHECK See [YOCTO #13921] Add details to the SERIAL_CONSOLES_CHECK entry to clarify that it doesn't work with read-only rootfs. (From yocto-docs rev: cefd66301a40f9048499879674e467543f704c44) Signed-off-by: Trevor Gamblin Reviewed-by: Michael Opdenacker Reviewed-by: Quentin Schulz Signed-off-by: Richard Purdie --- documentation/ref-manual/variables.rst | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/documentation/ref-manual/variables.rst b/documentation/ref-manual/variables.rst index 64521b89bb..3297a69edf 100644 --- a/documentation/ref-manual/variables.rst +++ b/documentation/ref-manual/variables.rst @@ -6694,7 +6694,11 @@ system and gives an overview of their function and contents. SERIAL_CONSOLES_CHECK = "slcp_line0:ttyS0" This variable is currently only supported with SysVinit (i.e. not - with systemd). + with systemd). Note that :term:`SERIAL_CONSOLES_CHECK` also requires + ``/etc/inittab`` to be writable when used with SysVinit. This makes it + incompatible with customizations such as the following:: + + EXTRA_IMAGE_FEATURES += "read-only-rootfs" :term:`SIGGEN_EXCLUDE_SAFE_RECIPE_DEPS` A list of recipe dependencies that should not be used to determine