I'm building a Debian Squeeze system with live-builder 3.0~a45 (from
Ubuntu 11.10). I'm running into a problem where I can't use udisk to
mount devices using a serial console on the live system (perhaps due
to problems with consolekit or policykit). Sorry for the cross-post -
I've already asked about this on the debian-live list, and they had no
idea, so I'm asking here.
I configure a serial console using the boot line and some boot-time
sedding to produce this line in /etc/inittab:
T0:23:respawn:/bin/login -f user </dev/ttyS0 >/dev/ttyS0 2>&1
My problem is this: when I try to use udisk to mount an image via a
serial console, I get:
----
user@my-live-usb:~$ udisks --mount /dev/disk/by-label/image-data
--mount-options ro
Mount failed: Not Authorized
----
I read through a heap of forum postings and bug reports, and
eventually figured to try:
----
user@my-live-usb:~$ pkexec true
Error executing command as another user: Not authorized
This incident has been reported.
----
Then I ran "ck-list-sessions" and saw that only Session 5, on
/dev/tty1, has "active = TRUE" - the console I'm actually using
(Session 1 on /dev/ttyS0) has "active = FALSE".
Am I right in thinking that this is why udisk is failing to mount the
device when run on a serial console? I checked that my udisks command
worked with a video console, and it does. But unfortunately, this is
not practical - I need to be able to run the command at a serial
console OR a video console.
It's worth pointing out that under this live system, the default user
("user") is automatically logged in on every video console and the
serial console.
If I look in "/usr/share/polkit-1/actions/org.freedesktop.udisks.policy",
there's a group of keys under "<action
id="org.freedesktop.udisks.filesystem-mount">":
<allow_any>no</allow_any>
<allow_inactive>no</allow_inactive>
<allow_active>yes</allow_active>
Changing the "allow_inactive" and "allow_any" keys to yes makes no
difference. I figure that I somehow need to tell consolekit that the
serial port is an active console. But how?
I dug around the ConsoleKit docs and played around with the DBUS
methods for activating the current session, but it didn't work:
user@mwa-live-usb:~$ dbus-send --system --print-reply
--dest="org.freedesktop.ConsoleKit"
/org/freedesktop/ConsoleKit/Session7
org.freedesktop.ConsoleKit.Session.Activate
Error org.freedesktop.DBus.GLib.UnmappedError.CkSeatError.Code0:
Unable to activate session
So how do I get ConsoleKit to either recognise the serial console as
active, or let udisks mount the partition?
(udisks is 1.0.1+git20100614-3, consolekit is 0.4.1-4)
Thanks,
Jason
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