Messages in this thread | | | Date | Fri, 24 Apr 2020 19:58:33 -0400 | From | Steven Rostedt <> | Subject | Re: [BUGFIX PATCH 1/1] bootconfig: Fix to remove bootconfig data from initrd while boot |
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On Sat, 25 Apr 2020 01:34:12 +0900 Masami Hiramatsu <mhiramat@kernel.org> wrote:
> If there is a bootconfig data in the tail of initrd/initramfs, > initrd image sanity check caused an error while decompression > stage as follows. > > [ 0.883882] Unpacking initramfs... > [ 2.696429] Initramfs unpacking failed: invalid magic at start of compressed archive > > This error will be ignored if CONFIG_BLK_DEV_RAM=n, > but CONFIG_BLK_DEV_RAM=y the kernel failed to mount rootfs > and causes a panic. > > To fix this issue, shrink down the initrd_end for removing > tailing bootconfig data while boot the kernel. > > Fixes: 7684b8582c24 ("bootconfig: Load boot config from the tail of initrd") > Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> > Cc: stable@vger.kernel.org > --- > init/main.c | 62 +++++++++++++++++++++++++++++++++++++++++++---------------- > 1 file changed, 45 insertions(+), 17 deletions(-) > >
A build with
$ make allnoconfig
Produces this:
MODPOST vmlinux.o MODINFO modules.builtin.modinfo GEN modules.builtin LD vmlinux ld: init/main.o: in function `start_kernel': main.c:(.init.text+0x37f): undefined reference to `initrd_end' ld: main.c:(.init.text+0x3a7): undefined reference to `initrd_start' ld: main.c:(.init.text+0x3ae): undefined reference to `initrd_end' make[1]: *** [/work/git/linux-trace.git/Makefile:1106: vmlinux] Error 1
-- Steve
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