Automount for flash drives now failing in 14.04

[Tommy Trussell]

On Thu, Aug 27, 2015 at 9:41 AM, MR ZenWiz <mrzenwiz at gmail.com> wrote:

> I am running the following:
>
> 3.13.0-57-generic #95-Ubuntu SMP Fri Jun 19 09:28:15 UTC 2015 x86_64
> GNU/Linux
> DISTRIB_ID=Ubuntu
> DISTRIB_RELEASE=14.04
> DISTRIB_CODENAME=trusty
> DISTRIB_DESCRIPTION="Ubuntu 14.04.3 LTS"
>
> (actually Xubuntu...).
>
> Two days ago, I noticed that when I insert my flash drives, they are
> no longer automounted.
>
> I thought it might be a boot problem, but I have rebooted a few times
> since then for other reasons, and it still fails.
>
> In order to get the system to recognize the drives as they are
> normally mounted, I have to run Thunar and select the drive, then
> everything works as I'd expect.
>
> Here's what it looks like before I insert the drive:
>
> mar at marbase:~ $ lsusb
> Bus 002 Device 002: ID 8087:8001 Intel Corp.
> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 001 Device 002: ID 8087:8009 Intel Corp.
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
> Bus 003 Device 002: ID 04a9:220e Canon, Inc. CanoScan N1240U/LiDE 30
> Bus 003 Device 004: ID 046d:c517 Logitech, Inc. LX710 Cordless Desktop
> Laser
> Bus 003 Device 005: ID 413c:2011 Dell Computer Corp. Multimedia Pro
> Keyboard
> Bus 003 Device 003: ID 413c:1005 Dell Computer Corp. Multimedia Pro
> Keyboard Hub
> Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> mar at marbase:~ $ df
> Filesystem      1K-blocks      Used Available Use% Mounted on
> /dev/sda1        20811336   6323784  13407352  33% /
> none                    4         0         4   0% /sys/fs/cgroup
> udev              8050964         4   8050960   1% /dev
> tmpfs             1612352      1216   1611136   1% /run
> none                 5120         0      5120   0% /run/lock
> none              8061756    101168   7960588   2% /run/shm
> none               102400        32    102368   1% /run/user
> /dev/sda4       927164968 709917984 207809816  78% /htera
> /dev/sdb2       515930552 310808072 178891696  64% /home
> /dev/sdb3      1375703508 620299800 685498912  48% /ttera
>
> I insert the flash drive and lsusb sees it, but it never gets mounted
> (notice the line of <<<...):
>
> mar at marbase:~ $ lsusb
> Bus 002 Device 002: ID 8087:8001 Intel Corp.
> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 001 Device 002: ID 8087:8009 Intel Corp.
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
> Bus 003 Device 009: ID 0781:5506 SanDisk Corp. <<<<<<<<<<<<<<<<<<<
> Bus 003 Device 002: ID 04a9:220e Canon, Inc. CanoScan N1240U/LiDE 30
> Bus 003 Device 004: ID 046d:c517 Logitech, Inc. LX710 Cordless Desktop
> Laser
> Bus 003 Device 005: ID 413c:2011 Dell Computer Corp. Multimedia Pro
> Keyboard
> Bus 003 Device 003: ID 413c:1005 Dell Computer Corp. Multimedia Pro
> Keyboard Hub
> Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> mar at marbase:~ $ df
> Filesystem      1K-blocks      Used Available Use% Mounted on
> /dev/sda1        20811336   6323804  13407332  33% /
> none                    4         0         4   0% /sys/fs/cgroup
> udev              8050964         4   8050960   1% /dev
> tmpfs             1612352      1264   1611088   1% /run
> none                 5120         0      5120   0% /run/lock
> none              8061756    102000   7959756   2% /run/shm
> none               102400        32    102368   1% /run/user
> /dev/sda4       927164968 709917984 207809816  78% /htera
> /dev/sdb2       515930552 310807924 178891844  64% /home
> /dev/sdb3      1375703508 620299800 685498912  48% /ttera
>
> When I run Thunar, the drive shows up in the left column, and AFTER I
> click on it, this shows in df:
>
> mar at marbase:~ $ df
> Filesystem      1K-blocks      Used Available Use% Mounted on
> /dev/sda1        20811336   6323800  13407336  33% /
> none                    4         0         4   0% /sys/fs/cgroup
> udev              8050964         4   8050960   1% /dev
> tmpfs             1612352      1264   1611088   1% /run
> none                 5120         0      5120   0% /run/lock
> none              8061756    102340   7959416   2% /run/shm
> none               102400        32    102368   1% /run/user
> /dev/sda4       927164968 709917984 207809816  78% /htera
> /dev/sdb2       515930552 310808156 178891612  64% /home
> /dev/sdb3      1375703508 620299800 685498912  48% /ttera
> /dev/sdc1         4005028   3000364   1004664  75% /media/mar/MARTITAN
>
> I have checked the Removable Drives and Media manager in the Settings,
> and it shows "Mount removable drives when hot plugged" as checked, but
> that's not what's happening.
>
> Any advice?
>
>
 Have you tried a freshly-formatted drive?

Have you looked at the entries in your log files when you insert the drive?

This used to happen to me all the time and it turned out the filesystem on
the drive was marked as needing a fsck (after however many mounts) but
Ubuntu didn't (doesn't?) have any way to notify you of that in the gui. The
message would appear in syslog (maybe kern.log, too), but Ubuntu would not
automount the filesystem.

I no longer use a USB mounted filesystem in the way I used to, so I don't
know if the situation is better nowadays or if I just haven't run into it.
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