The 2.39 version of util-linux took new file descriptors based mount
kernel API into use. In relation to this change, the upstream release
notes in
https://github.com/util-linux/util-linux/blob/v2.39/Documentation/releases/v2.39-ReleaseNotes#L14-L21
mention that
This change is very aggressive to libmount code, but hopefully, it does not
introduce regressions in traditional mount(8) behavior.
While testing with a board using a 6.1 version kernel, an initramfs
rootfs based boot flow contains the error
[FAILED] Failed to start Remount Root and Kernel File Systems.
See 'systemctl status systemd-remount-fs.service' for details.
on closer inspection:
demoboard ~ # systemctl status -l systemd-remount-fs.service
x systemd-remount-fs.service - Remount Root and Kernel File Systems
Loaded: loaded (/usr/lib/systemd/system/systemd-remount-fs.service;
enabled-runtime; preset: disabled)
Active: failed (Result: exit-code) since Wed 2024-08-14 14:53:48 UTC;
1min 22s ago
Docs: man:systemd-remount-fs.service(8)
https://www.freedesktop.org/wiki/Software/systemd/APIFileSystems
Process: 76 ExecStart=/usr/lib/systemd/systemd-remount-fs (code=exited,
status=1/FAILURE)
Main PID: 76 (code=exited, status=1/FAILURE)
Aug 14 14:53:48 demoboard systemd-remount-fs[76]: /usr/bin/mount for / exited
with exit status 32.
Aug 14 14:53:48 demoboard systemd-remount-fs[81]: mount: /: mount point not
mounted or bad option.
Aug 14 14:53:48 demoboard systemd-remount-fs[81]: dmesg(1) may have
more information after failed mount system call.
Aug 14 14:53:48 demoboard systemd[1]: systemd-remount-fs.service: Main
process exited, code=exited, status=1/FAILURE
Aug 14 14:53:48 demoboard systemd[1]: systemd-remount-fs.service: Failed with
result 'exit-code'.
Aug 14 14:53:48 demoboard systemd[1]: Failed to start Remount Root and Kernel
File Systems.
also consequentially, 'systemctl status' reported:
State: degraded
When issuing 'strace -ff mount -o remount /' the failure occurs at
mount_setattr(3, "", AT_EMPTY_PATH,
{attr_set=MOUNT_ATTR_RDONLY|MOUNT_ATTR_NOATIME|MOUNT_ATTR_NODIRATIME,
attr_clr=MOUNT_ATTR_NOSUID|MOUNT_ATTR_NODEV|MOUNT_ATTR_NOEXEC|MOUNT_ATTR_NOATIME|MOUNT_ATTR_STRICTATIME|MOUNT_ATTR_NOSYMFOLLOW|0x40,
propagation=0 /* MS_??? */, userns_fd=0}, 32) = -1 EINVAL (Invalid argument)
however the failure didn't occur when using qemuarm64 with 6.6 version
kernel to boot a corresponding initramfs image, in that case the exact
same call under strace returned 0.
Taking the above findings into consideration, add a new PACKAGECONFIG
option which allows to conveniently opt-out from prematurely using a
feature which can cause issues with a bit older kernels.
Signed-off-by: Niko Mauno <[email protected]>
---
meta/recipes-core/util-linux/util-linux_2.40.1.bb | 1 +
1 file changed, 1 insertion(+)
diff --git a/meta/recipes-core/util-linux/util-linux_2.40.1.bb
b/meta/recipes-core/util-linux/util-linux_2.40.1.bb
index a1aab94055..3ecc55f61e 100644
--- a/meta/recipes-core/util-linux/util-linux_2.40.1.bb
+++ b/meta/recipes-core/util-linux/util-linux_2.40.1.bb
@@ -107,6 +107,7 @@ PACKAGECONFIG[cryptsetup] =
"--with-cryptsetup,--without-cryptsetup,cryptsetup"
PACKAGECONFIG[chfn-chsh] = "--enable-chfn-chsh,--disable-chfn-chsh,"
PACKAGECONFIG[selinux] = "--with-selinux,--without-selinux,libselinux"
PACKAGECONFIG[lastlog2] = "--enable-liblastlog2,--disable-liblastlog2,sqlite3"
+PACKAGECONFIG[no-libmount-mountfd] = "--disable-libmount-mountfd-support"
EXTRA_OEMAKE = "ARCH=${TARGET_ARCH} CPU= CPUOPT= 'OPT=${CFLAGS}'"
--
2.39.2
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