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Date: Fri, 16 Aug 2013 06:09:09 -0700
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Subject: [gentoo-user] Advice needed regarding udisks
From: Grant <emailgrant@gmail.com>
To: Gentoo mailing list <gentoo-user@lists.gentoo.org>
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I'm having a problem detaching a USB camera from a desktop.  I found a
Ubuntu bug for the problem which states that it is a bug in udisks-1
which won't be fixed upstream and the solution is to upgrade to Ubuntu
12.10 which uses udisks-2.  Can anyone recommend a good course of
action for me here?

Here is the problem:

# udisks --detach /dev/sdb
Detach failed: Error detaching: helper exited with exit code 1:
Detaching device /dev/sdb
USB device: /sys/devices/pci0000:00/0000:00:02.0/usb2/2-6)
SYNCHRONIZE CACHE: FAILED: No such file or directory
(Continuing despite SYNCHRONIZE CACHE failure.)
STOP UNIT: FAILED: No such file or directory

Here is a pretend emerge of udisks:

# emerge -pv udisks
[ebuild  N     ] sys-apps/gptfdisk-0.8.6  USE="icu ncurses -static" 0 kB
[ebuild  NS    ] sys-fs/udisks-2.1.0:2 [1.0.4-r5:0] USE="gptfdisk
introspection -cryptsetup -debug (-selinux) -systemd" 0 kB

Here is the Ubuntu bug describing the problem (comments 81, 82, 85):

https://bugs.launchpad.net/ubuntu/+source/udisks/+bug/466575

- Grant