require 2.6.22+ kernel

2 files changed, 8 insertions, 1 deletions

diff --git a/NEWS b/NEWS
index c59d93c55d..76aec06472 100644
--- a/NEWS
+++ b/NEWS
@@ -2,6 +2,13 @@ udev 136
 ========
 Bugfixes.
 
+For some more advanced features Linux 2.6.22 is the oldest supported
+version now. The kernel config with enabled SYSFS_DEPRECATED
+is no longer supported. Older kernels should still work, and devices
+nodes should be reliably created, but some rules and libudev will
+not work correctly because the old kernels do not provide the expected
+information or interfaces.
+
 /dev/serial/by-{id,path}/ now contains links for ttyUSB devices,
 which do not depend on the kernel device name. As usual, unique
 devices - only a single one per product connected, or a real
diff --git a/README b/README
index 0add462f31..a253ccfb4f 100644
--- a/README
+++ b/README
@@ -9,7 +9,7 @@ Important Note:
   recommend to replace a distro's udev installation with the upstream version.
 
 Requirements:
-  - Version 2.6.20 of the Linux kernel for reliable operation of this release of
+  - Version 2.6.22 of the Linux kernel for reliable operation of this release of
     udev. The kernel must not use the CONFIG_SYSFS_DEPRECATED* option.
 
   - The kernel must have sysfs, unix domain sockets and networking enabled.