On Mon, 26 Nov 2012 11:20:54 +0100 "Robert Milasan" <[email protected]> wrote:
> Hello, > under some circumstance udev seems to create a huge amount of > children slowly ending up in OOM. > > How to reproduce: > # udevadm control --log-priority=debug > # echo 3 >/proc/sys/vm/drop_caches > # /etc/init.d/openvpn restart > > Bug: > https://bugzilla.novell.com/show_bug.cgi?id=790156 > > Does anybody know why this happens (this was reproduced on openSUSE > 12.3 (factory)). > > I've also attached the /var/log/messages. > This looks like an issue with the kernel commit: c8d68e6be1c3b242f1c598595830890b65cea64a Author: Jason Wang <[email protected]> Date: Wed Oct 31 19:46:00 2012 +0000 tuntap: multiqueue support ... +#define MAX_TAP_QUEUES 1024 Dropping MAX_TAP_QUEUES to 50 seems to fix the issue, but anyway udev should also be able to handle the situation if MAX_TAP_QUEUES is 1024. -- Robert Milasan L3 Support Engineer SUSE Linux (http://www.suse.com) email: [email protected] GPG fingerprint: B6FE F4A8 0FA3 3040 3402 6FE7 2F64 167C 1909 6D1A _______________________________________________ systemd-devel mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/systemd-devel
