X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=NEWS;h=91698d5380aaac6cc7fb5e25fc35c7fcfca19c63;hp=d03de2f230e78df8fbda1e3614a786f8792fa525;hb=a00bdfa16b9bac7e4c31fcd31b4003d5a18f6d09;hpb=31a733070e2d324fbad4b3163b419626ef506cc6 diff --git a/NEWS b/NEWS index d03de2f23..91698d538 100644 --- a/NEWS +++ b/NEWS @@ -1,3 +1,71 @@ +udev 142 +======== +Bugfixes. + +Libudev allows to subscribe to udev events. To prevent unwanted messages +to be delivered, and waking up the subscribing process, a filter can be +installed, to drop messages inside a kernel socket filter. The filters +match on the : properties of the device. + This is part of the ongoing effort to replace HAL, and switch current +users over to directly use libudev, or for higher-level services use the +specialized D-Bus interface of a DeviceKit service. + Libudev is still marked as experimental, and its interface might +change if needed, but no major changes of the currently exported interface +are expected anymore, and a first stable release should happen soon. + +A too old kernel (2.6.21) or a kernel with CONFIG_SYSFS_DEPRECATED +is not supported since while and udevd will log an error message at +startup. + +DVB device naming is supplied by the kernel now. In case older kernels +need to be supported, the old shell script should be added to a compat +rules file. + +udev 141 +======== +Bugfixes. + +The processed udev events get send back to the netlink socket. Libudev +provides access to these events. This is work-in-progress, to replace +the DeviceKit daemon functionality directly with libudev. There are +upcoming kernel changes to allow non-root users to subcribe to these +events. + +udev 140 +======== +Bugfixes. + +"udevadm settle" now optionally accepts a range of events to wait for, +instead of waiting for "all" events. + +udev 139 +======== +Bugfixes. + +The installed watch for block device metadata changes is now removed +during event hadling, because some (broken) tools may be called from udev +rules and (wrongly) open the device with write access. After the finished +event handling the watch is restored. + +udev 138 +======== +Bugfixes. + +Device nodes can be watched for changes with inotify with OPTIONS="watch". +If closed after being opened for writing, a "change" uevent will occur. +/dev/disk/by-{label,uuid}/* symlinks will be automatically updated. + +udev 137 +======== +Bugfixes. + +The udevadm test command has no longer a --force option, nodes and symlinks +are always updated with a test run now. + +The udevd daemon can be started with --resolve-names=never to avoid all user +and group lookups (e.g. in cut-down systems) or --resolve-names=late to +lookup user and groups every time events are handled. + udev 136 ======== Bugfixes. @@ -31,7 +99,7 @@ which do not depend on the kernel device name. As usual, unique devices - only a single one per product connected, or a real USB serial number in the device - are always found with the same name in the by-id/ directory. -Completely Identical devices may overwrite their names in by-id/ +Completely identical devices may overwrite their names in by-id/ and can only be found reliably in the by-path/ directory. Devices specified by by-path/ must not change their connection, like the USB port number they are plugged in, to keep their name.