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Old 05-06-2009, 03:35 PM   #1
Registered: May 2007
Location: California
Distribution: Slackware/Ubuntu
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Trouble mounting ipod. Hal issue and mount point issue.

Ive had a few issues with mounting my ipod and a usb drive that has several partitions.

First issue. Depending on the device I mounted first, sometimes the ipod would mount as /dev/sda1 and sometimes as /dev/sdb1. This would really screw things up. To resolve this issue,I setup udev rules as follows for both my usb drive and for the ipod. I setup the rules so that the usb drive is /dev/sda1 - /dev/sda2 - and /dev/sda5 and the ipod as /dev/sdb1

KERNEL=="sd*", SUBSYSTEMS=="block", ATTR{start}=="63", ATTR{size}=="191446542", OWNER="dp", NAME="sda1"

KERNEL=="sd*", SUBSYSTEMS=="block", ATTR{size}=="409593240", OWNER="dp", NAME="sda2"

KERNEL=="sd*", SUBSYSTEMS=="block", ATTR{size}=="409593177", OWNER="dp", NAME="sda5"

# SDA Ipod
SUBSYSTEMS=="scsi", DRIVERS=="sd", ATTRS{model}=="iPod", ATTRS{vendor}=="Apple   ", NAME="sdb1"
I also setup fstab to direct where to mount the devices and who can mount the device.
/dev/hdc2        swap             swap        defaults         0   0
/dev/hdc1        /                ext3        defaults         1   1
/dev/hdc3        /vm              ext3        auto,users,exec,rw,sync         1   2
#/dev/sda2        /backup          ext3        auto,users,exec,rw,sync         1   2
#/dev/sda1        /mybook          vfat        auto,users,exec,rw,sync         1   0
#/dev/sda5        /rainbow         vfat        auto,users,exec,rw,sync         1   0
#/dev/cdrom      /mnt/cdrom       auto        noauto,owner,ro  0   0
#/dev/fd0         /mnt/floppy      auto        noauto,owner     0   0
devpts           /dev/pts         devpts      gid=5,mode=620   0   0
proc             /proc            proc        defaults         0   0
tmpfs            /dev/shm         tmpfs       defaults         0   0
#/backup/slackware-12.2-install-dvd.iso /iso users,iso9660 ro,loop,auto 0 0

/dev/sdb1        /ipod         vfat auto,users,exec,rw,sync         1   0
In spite of this setup, I still have problems mounting as a user instead of as root. Other times I see that the devices are are not shown as setup in the udev rules.

Problem 2 : I had not mounted my ipod in a while. Now, I am not able to mount it at all as a user. When using konqueror I get the following error.
A security policy in place prevents this sender from sending this message to this recipient, see message bus configuration file (rejected message had interface "org.freedesktop.Hal.Device.Volume" member "Mount" error name "(unset)" destination "org.freedesktop.Hal")
I know nothing about Hal.
Furthermore when trying to mount using command line, I get the following error:
mount: wrong fs type, bad option, bad superblock on /dev/sdb1,
       missing codepage or helper program, or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so
dmesg | tail
sd 5:0:0:0: [sda] 7999487 512-byte hardware sectors (4096 MB)
sd 5:0:0:0: [sda] Write Protect is off
sd 5:0:0:0: [sda] Mode Sense: 68 00 00 08
sd 5:0:0:0: [sda] Assuming drive cache: write through
 sda: sda1 sda2
sd 5:0:0:0: [sda] Attached SCSI removable disk
sd 5:0:0:0: Attached scsi generic sg0 type 0
usb-storage: device scan complete
FAT: invalid media value (0x2f)
VFS: Can't find a valid FAT filesystem on dev sda1.
I am not sure what "invalid media value means".

Last edited by okos; 05-06-2009 at 03:47 PM.
Old 05-07-2009, 10:50 PM   #2
Slackware Contributor
Registered: Oct 2004
Location: Tuscaloosa, Alabama (USA)
Distribution: Slackware
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The dbus error looks like your user isn't a member of the plugdev group.
The invalid media value error looks like the filesystem on the device is corrupt.
Old 05-10-2009, 11:51 PM   #3
Registered: May 2007
Location: California
Distribution: Slackware/Ubuntu
Posts: 609

Original Poster
Rep: Reputation: 38
Problem solved. I guess it was a hal issue. Or more accurately, a typo in the /etc/group file.

How I solved the problem:

I googled "Hal.Device.Volume" which led me to the following link.

Having read the article, I figured that perhaps I had forgotten to add myself to the plugdev group.

I guess when I had manually added myself to plugdev a while back, I separated the user name from root with a colon instead of a comma.


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