-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 11/04/11 16:01, Clint Byrum wrote: > Excerpts from James Hunt's message of Fri Apr 08 08:51:48 -0700 2011: >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> Hi All, >> >> As a precursor to pushing this update out to Natty next week, I've >> updated my upstart-testing PPA with Upstart version 0.9.5-1ubuntu1: >> >> ppa:jamesodhunt/upstart-testing >> >> Code is here: >> >> lp:~jamesodhunt/ubuntu/natty/upstart/fix-chroot-sessions >> >> As the name suggests, chroots should now work fully [1], but we are keen >> to solicit feedback from the community. > > FYI, on my natty box when I was running this, installing dbus in a schroot > session resulted in upstart consuming all available virtual memory and > eventually crashing the box. > > Steps to reproduce: > > (assuming you've setup schroots w/ mk-sbuild): > > schroot -c natty-amd64 -u root > apt-get install dbus > > > At the 'setting up dbus' point, upstart starts to consume memory at an > alarming rate. > > This is likely because the dbus upstart job has a post-start that sends > USR1 to pid 1, which is supposed to tell it to re-connect to dbus. > > I believe the bug is because the USR1 handler needs to ignore requests > to re-connect to dbus from chrooted processes, but I haven't gotten very > deep in to debugging it yet. > Hi Clint,
Thanks for highlighting this. It actually looks like a namespace leak that is causing the issue - I'm investigating now... Cheers, James. - -- James Hunt ____________________________________ Ubuntu Foundations Team, Canonical. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk2jGgcACgkQYBWEaHcQG9f6lQCfZwD+qOMnyUle0HCPZ9vtv6KO FHIAn1MdOsF/FLhToR0qWadRrBoYeviF =cSt6 -----END PGP SIGNATURE----- -- ubuntu-server mailing list ubuntu-server@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-server More info: https://wiki.ubuntu.com/ServerTeam