On Fri, 5 Jun 2015 16:25:21 +0200 Alexander Thomas <alexander.thomas+d...@esaturnus.com> wrote:
[...] > That would be an option, but it might still cause the same problem of > apt-get hanging as we currently experience when doing the update > before runlevel S. > > We looked deeper into this and found out that apt-get always hangs > while installing a package before the first runlevel switch. An strace > reveals an endless loop of SIGCONT and ioctl calls. Running other > commands that use ioctl also results in a hang, so the controlling > terminal seems to lack certain capabilities at this stage. We have > found a workaround: we spawn a new terminal with agetty and run the > update script in there, this allows to perform the apt-get > dist-upgrade in runlevel S and avoid the init 1 hack. I would try running apt-get with </dev/null >somelogfile 2>&1 redirections: that should ensure it sees no terminal at all on its stdin and that should avoid code paths dealing with TTY-related ioctls altogether. (Well, excluding the isatty(3) call which supposedly uses fstat(2) and checks to see the device's major number is that of a TTY). -- To UNSUBSCRIBE, email to debian-devel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/20150605203938.fd1322f3bbf2bc4426c6f...@domain007.com
