On Fri, Aug 19, 2011 at 11:13, Eric W. Biederman <ebiederm@xxxxxxxxxxxx> wrote: > Milan Broz <mbroz@xxxxxxxxxx> writes: >> If you run clone() with CLONE_NEWNET (which is chromium using >> for sanboxing), udev namespace is cloned too (newly registered >> in uevent_sock_list) and netlink send (except the first in list) >> fails with -ESRCH. >> >> This causes that _every_ call of kobject_uevent_env() return failure. > That netlink_ broadcast chooses to treat failure to deliver a packet to > anyone as an error and return -ESRCH is a little peculiar. In general > we don't see that error because when you are testing there is at least > one listener on the netlink socket. So as a practical matter I think > we should be ignoring return values of -ESRCH from netlink_broadcast, > in kobject_uevent_env. Wouldn't a wrap in netlink_has_listeners() help before we try to send it? Kay -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
