Am 14.07.2014 15:10, schrieb Michael Biebl: >> I'd be fine with stopping all services, but I'm not familiar with how to >> do that either. If this is the solution, please add that instruction to >> the message. But would services which prevent the disk from being >> remounted read-only be started before fsck is finished? The rescue >> shell is part of fsck, I think(?), so nothing should have been started >> after it failed. >> > > Since we don't know what kept your fs busy, I'm at a loss how we are > supposed to write instructions/documentation. > > Could you boot into single user mode (via the "single" kernel command > line option) and test if you can remount / ro. > > This rescue mode should be similar / the same what you get when fsck fails. > > If your fs is busy, start with dumping the ps output and the systemctl > output, so we can which processes / services are running.
A small correction: When booting into single user mode, rescue.target will be activated. A failing fsck (according to the systemd-fsck man page) will isolate to emergency.target. Booting into rescue.target means activating all of sysinit.target, that includes all /etc/rcS.d/ services. emergency.target only has Requires/After=emergency.service, so I'd expect fewer services to be running then in rescue.target since isolate should stop all other services. That said, if *I* boot into rescue.target (single user mode), I can remount / ro without problems. So, we really need more information here what's happening on your particular system when you're dropped into the emergency shell. I think you should be able to trigger the start of the emergency shell by adding a non-existing mountpoint to your /etc/fstab. systemd will then wait for 90 secs and then drop you into emergency mode. Please boot with the kernel command line option systemd.log_level=debug. Then try to remount / ro, and if that fails, get us the output of journalctl --all --full -b systemctl --full ps aux Thanks, Michael -- Why is it that all of the instruments seeking intelligent life in the universe are pointed away from Earth?
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