This is useful, thanks. A couple of questions: 1) Is this easily reproducible? 2) Could you tell me exactly what command-line flags dnsmasq is being started with?
Cheers, Simon. On 27/04/14 18:02, Dave Gilbert wrote: > Public bug reported: > > I hit a case where dnsmasq was running at 100% cpu and not responding to > requests. > This is a freshly installed and updated trusty VM which has just been > dist-upgraded to utopic. > > At boot/login it seemed OK, but then I bought up firefox and it couldn't get > to it's home page, top showed dnsmasq eating cpu. > strace'ing dnsmasq showed it doing: > > select(8, [0 3 6 7], [], [6], NULL) = 1 (in [0]) > recvmsg(0, 0x7ffffba98110, 0) = -1 ENOTSOCK (Socket operation on > non-socket) > accept(0, 0, NULL) = -1 ENOTSOCK (Socket operation on > non-socket) > select(8, [0 3 6 7], [], [6], NULL) = 1 (in [0]) > > constantly. > > fd 8 is a pipe (not sure where to - back to another thread?) > > This is the dnsmasq kicked off by a default network manager setup; not > changed any networking settings. > > ProblemType: Bug > DistroRelease: Ubuntu 14.10 > Package: dnsmasq-base 2.70-1 > ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9 > Uname: Linux 3.13.0-24-generic x86_64 > ApportVersion: 2.14.1-0ubuntu3 > Architecture: amd64 > CurrentDesktop: Unity > Date: Sun Apr 27 17:58:21 2014 > InstallationDate: Installed on 2014-04-27 (0 days ago) > InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Daily amd64 (20140412) > SourcePackage: dnsmasq > UpgradeStatus: No upgrade log present (probably fresh install) > > ** Affects: dnsmasq (Ubuntu) > Importance: Undecided > Status: Confirmed > > > ** Tags: amd64 apport-bug utopic > -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to dnsmasq in Ubuntu. https://bugs.launchpad.net/bugs/1313393 Title: dnsmasq lockup at 100% cpu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dnsmasq/+bug/1313393/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs