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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-08 21:17:20 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-08 21:17:20 -0300 |
| commit | eccbe858ce6412b96fc7cb32eb23a3592f64e5f6 (patch) | |
| tree | ed4f0e52d266bffc68a5b68afcfe69882b917efb /Documentation | |
| parent | 0c1ac6822620b9868cfad5b4c2c223c6cd6fbfd8 (diff) | |
Linux-libre 4.4.4-gnupck-4.4.4-gnu
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/filesystems/efivarfs.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/filesystems/efivarfs.txt b/Documentation/filesystems/efivarfs.txt index c477af086..686a64bba 100644 --- a/Documentation/filesystems/efivarfs.txt +++ b/Documentation/filesystems/efivarfs.txt @@ -14,3 +14,10 @@ filesystem. efivarfs is typically mounted like this, mount -t efivarfs none /sys/firmware/efi/efivars + +Due to the presence of numerous firmware bugs where removing non-standard +UEFI variables causes the system firmware to fail to POST, efivarfs +files that are not well-known standardized variables are created +as immutable files. This doesn't prevent removal - "chattr -i" will work - +but it does prevent this kind of failure from being accomplished +accidentally. |