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Stopi
n00b
Joined: 28 Jul 2016
Posts: 20
Location: Laos
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 Posted: Mon Jan 17, 2022 3:50 pm Post subject: KDE not mounting LUKS partition |
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Hi there!
After last world update, I've lost the ability to mount LUKS partitions in Plasma.
The systray correctly shows my USB external disk, and when I click to open it, it even display the popup for asking the password.
After I provide the LUKS passphrase, it fails mounting saying I don't have the permissions.
It appears the LUKS partition was properly deciphered, and I can mount it as root.
If I add an entry in fstab with "user" option, I can even mount it as regular user.
But KDE can't, neither from systray nor from dolphin.
However if I manually mount then it works perfectly when I ask for umount from the systray.
Yes, I'm in the "plugdev" group.
This used to work...
I found a similar issue from the past: https://bugs.gentoo.org/429618#c1
But my system is up to date:
| Code: | =sys-fs/eudev-3.2.11-r1
=sys-fs/udisks-2.9.4
=kde-frameworks/kio-5.88.0-r2
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I'm probably missing some polkit config:
| Code: | # ls -lah /etc/polkit-1/rules/50-udisks.rules
-rw-r--r-- 1 polkitd root 2,3K 11 mai 2018 /etc/polkit-1/rules.d/50-udisks.rules
# cat /etc/polkit-1/rules.d/50-udisks.rules
polkit.addRule(function(action, subject) {
var YES = polkit.Result.YES;
// NOTE: there must be a comma at the end of each line except for the last:
var permission = {
// required for udisks1:
"org.freedesktop.udisks.filesystem-mount": YES,
"org.freedesktop.udisks.filesystem-mount-system-internal": YES,
"org.freedesktop.udisks.luks-unlock": YES,
"org.freedesktop.udisks.drive-eject": YES,
"org.freedesktop.udisks.drive-detach": YES,
// required for udisks2:
"org.freedesktop.udisks2.filesystem-mount": YES,
"org.freedesktop.udisks2.filesystem-mount-system": YES,
"org.freedesktop.udisks2.encrypted-unlock": YES,
"org.freedesktop.udisks2.eject-media": YES,
"org.freedesktop.udisks2.power-off-drive": YES,
// required for udisks2 if using udiskie from another seat (e.g. systemd):
"org.freedesktop.udisks2.filesystem-mount-other-seat": YES,
"org.freedesktop.udisks2.filesystem-unmount-others": YES,
"org.freedesktop.udisks2.encrypted-unlock-other-seat": YES,
"org.freedesktop.udisks2.eject-media-other-seat": YES,
"org.freedesktop.udisks2.power-off-drive-other-seat": YES
};
if (subject.isInGroup("plugdev")) {
return permission[action.id];
}
});
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Please help. |
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Stopi
n00b
Joined: 28 Jul 2016
Posts: 20
Location: Laos
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| Posted: Mon Jan 24, 2022 1:27 pm Post subject: |
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Well, apparently this is not only puzzling me, 7 days and 100+ views but no answer. 
I've tried things since then, but still no luke (all commands are entered as regular user, not root).
| Code: | $ udisksctl unlock -b /dev/sdc1
Passphrase:
Unlocked /dev/sdc1 as /dev/dm-2.
$ udisksctl mount -b /dev/dm-2
Object /org/freedesktop/UDisks2/block_devices/dm_2d2 is not a mountable filesystem.
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Unlocking the drive with LUKS passphrase also created an entry in /dev/mapper:
| Code: | $ udisksctl mount -b /dev/mapper/luks-cd909ea8-d7a2-422f-b338-231c16672b66
Error looking up object for device /dev/mapper/luks-cd909ea8-d7a2-422f-b338-231c16672b66
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However, if I simply use the mount command it works very well, both with /dev/dm-2 or /dev/mapper/luks-cd909ea8-d7a2-422f-b338-231c16672b66. |
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