Getting my mp3 player to work with rmmod ehci-hcd

Dear all,
I have a sansa fuze mp3 player. It can be configured to be in either MTP or MSC mode;
I'm using the second, meaning that the computer should see it as a simple mass
storage device. I remember using that a couple of years ago with Debian and I'd simply
plug it in and it would work.
Now I have the following problem: when I plug it in, I cannot see it with fdisk -l:
[jorge@flamingo ~]$ sudo fdisk -l
Password:
Disk /dev/sda: 120.0 GB, 120034123776 bytes
255 heads, 63 sectors/track, 14593 cylinders, total 234441648 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xe8000000
Device Boot Start End Blocks Id System
/dev/sda1 * 63 40965749 20482843+ 7 HPFS/NTFS/exFAT
/dev/sda2 40965750 45062324 2048287+ 7 HPFS/NTFS/exFAT
/dev/sda3 45062325 45271169 104422+ 83 Linux
/dev/sda4 45271170 234436544 94582687+ 5 Extended
/dev/sda5 45271233 68131664 11430216 83 Linux
/dev/sda6 68131728 72180044 2024158+ 82 Linux swap / Solaris
/dev/sda7 72180108 234436544 81128218+ 83 Linux
[jorge@flamingo ~]$
This is what I get in dmesg:
[jorge@flamingo ~]$ dmesg | tail
[ 9906.598074] wlan0: associate with 00:18:e7:ee:75:e5 (try 1)
[ 9906.602459] wlan0: RX AssocResp from 00:18:e7:ee:75:e5 (capab=0x431 status=0 aid=1)
[ 9906.602463] wlan0: associated
[ 9906.604145] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 9917.055720] wlan0: no IPv6 routers present
[10399.946003] hub 7-0:1.0: unable to enumerate USB device on port 3
[11117.825661] hub 7-0:1.0: unable to enumerate USB device on port 3
[11119.605622] usb 7-3: new high speed USB device number 14 using ehci_hcd
[11119.659249] hub 7-0:1.0: unable to enumerate USB device on port 3
[11149.949776] usb 7-4: USB disconnect, device number 10
[jorge@flamingo ~]$
However, if I plug it out, then do "rmmod ehci-hcd" and plug it back again, I get it to
work:
[jorge@flamingo ~]$ sudo rmmod ehci-hcd
[jorge@flamingo ~]$ sudo fdisk -l
Disk /dev/sda: 120.0 GB, 120034123776 bytes
255 heads, 63 sectors/track, 14593 cylinders, total 234441648 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xe8000000
Device Boot Start End Blocks Id System
/dev/sda1 * 63 40965749 20482843+ 7 HPFS/NTFS/exFAT
/dev/sda2 40965750 45062324 2048287+ 7 HPFS/NTFS/exFAT
/dev/sda3 45062325 45271169 104422+ 83 Linux
/dev/sda4 45271170 234436544 94582687+ 5 Extended
/dev/sda5 45271233 68131664 11430216 83 Linux
/dev/sda6 68131728 72180044 2024158+ 82 Linux swap / Solaris
/dev/sda7 72180108 234436544 81128218+ 83 Linux
Disk /dev/sdb: 3933 MB, 3933732864 bytes
122 heads, 62 sectors/track, 1015 cylinders, total 7683072 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x6f20736b
This doesn't look like a partition table
Probably you selected the wrong device.
Device Boot Start End Blocks Id System
/dev/sdb1 ? 778135908 1919645538 570754815+ 72 Unknown
/dev/sdb2 ? 168689522 2104717761 968014120 65 Novell Netware 386
/dev/sdb3 ? 1869881465 3805909656 968014096 79 Unknown
/dev/sdb4 ? 2885681152 2885736650 27749+ d Unknown
Partition table entries are not in disk order
[jorge@flamingo ~]$
My problems with this solution are:
1. It's a little bit inconvenient to do this everytime
2. The first time that I did that I had an external drive plugged in and it got a little bit
screwed up.. Had to run a disk check and fix some errors.. So I'm a little bit cautious
about doing it again.
Could you please enlighten me as of:
1. Why do I need to do the rmmod thing to get my sansa player recognized?
2. Is there a way to overcome this procedure?
Thanks a lot in advance..
Last edited by geo909 (2011-10-02 03:20:03)

To work in FF and IE, you need to have an <object> tag and an <embed> tag. Note: the embed tag was never accepted by the W3C web standards but it works in browsers that require it.
So your code should resemble this:
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="366" height="56">
<param name="movie" value="Player-skin.swf">
<param name="quality" value="high">
<embed src="Player-skin.swf" quality="high" type="application/x-shockwave-flash" width="366" height="56"> </embed>
</object>
If you need a small flash audio player that works in all browsers consider the following links
Flash Music Player -
http://www.premiumbeat.com/flash_resources/free_flash_music_player/
MP3 Player
http://flash-mp3-player.net/
Nancy O.
Alt-Web Design & Publishing
Web | Graphics | Print | Media Specialists
www.alt-web.com/
www.twitter.com/altweb
www.alt-web.blogspot.com

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Getting my mp3 player to work with rmmod ehci-hcd

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