[PC-BSD Testing] Removable media

flat.rose flat.rose at gmail.com
Wed Oct 1 13:56:26 PDT 2008

After mounting my media with fat32 filesystem I've got it at */media/XPOD*;
with FAT it was */media/da0s1*.

*trying `*umount -f /media/XPOD*`*
The device folder in Dolphin is shown as empty now, no objects, no info. In
Plasma quick-device-access there's still my XPOD displayed as a mounted
device (can't see the *unmount* button tho). The player is still being
chargin' from the usb and it still shows that the player is connected to my

*created folder on the desktop called *xPod*, trying `*mount -t msdosfs
/dev/da0s1 ~/Desktop/xPod*` now*
Eureka! It's alive! I'm in *desktop:/xPod* atm, gonna transfer one song to
it. I'll pick Shirley Mansons' Samson and Delilah :)
It's a 6.6mb mp3 file; transferring files using dolphin. It took about 8
seconds to transfer it to *desktop:/xPod/MUSIC* dir.

*and now*
I'm clicking on dolphin's... oh no wait, there's no `safe remove` button
anymore - it's on desktop so there're a list for places instead of it and
folder's icon. Changing directory to */media/XPOD/* (the link is in the
bottom of my 'places' list in dolphin).

*2 seconds later*
The location didn't change, it has shown me an error:

> An error ocurred while accessing 'XPOD', the system responded:
> org.freedesktop.Hal.Device.Volume.UnknownFailure: mount_msdosfs:
> /dev/msdosfs/XPOD: : No such file or directory

(And actually there were a file with exact that name exact in that dir.

*trying to unmount the device manually as Brodey taught me*
*[root at pcbsd ~]# umount -f /dev/da0s1*

After doing this, I've got my device unlinked from a desktop folder but now
I can access to it through dolphin at */media/XPOD-1*
Now I'm unmounting it throught dolphin's `*Unmount 'XPOD'*` thingy.
Player is still receiving power from my laptop and don't want to accept my
actions like a disconnect.

*pluggin-off my usb wire from laptop, then from device*
Device is being rebooted now, I'm gonna check the song.
Same old thing - the track is lagging in the worst way, about til' the first
minute. Then there were a little 'clean part' and then it has stopped
playing so it's at 00:00 now.
Other songs are playing in the good way, they were transferred from windows
machine after I've formatted it with fat32 filesystem.

*Uh oh, Huh...*

On Wed, Oct 1, 2008 at 7:47 PM, <pcfxer at rogers.com> wrote:

> I forget which sizes are affected, but it is important to mount that
> mount_msdosfs must have the "-o large" switch enabled. Most automounters
> will disregard a device plugged in that is too large, but this may be an
> issue with the Kauto mount.
> Try -o large if mount -t... returns nothing.
> Rgds,
> Brodey
> --- On *Wed, 10/1/08, Arthur Koziol <A-Koziol at neiu.edu>* wrote:
> From: Arthur Koziol <A-Koziol at neiu.edu>
> Subject: Re: [PC-BSD Testing] Removable media
> To: "PC-BSD Testing list" <testing at lists.pcbsd.org>
> Received: Wednesday, October 1, 2008, 1:25 PM
> > > Yesterday I've mounted (only mounted - nothing more) my player
> with FAT fs
> > > to my laptop with PC-BSD and today, about
>  15 mins ago I've got
> nullified
> > > player. So it's not only working wrong, it even cracks my
> flash-memory each
> > > time I mount it. I'm still gonna try that stuff u told me,
> Brodey, but it's
> > > gonna be done at late night when I don't need to rush anywhere.
> =\ And I'm
> > > an optimist too yeah.
> > >
> >
> >
> >I've been using some FAT formatted USB sticks here, and no problem so
> >far. You are un-mounting them before unplugging it right? If you can
> >test it via the command-line as suggested, and confirm that it still
> >corrupts the FAT tables, we'll need to report this bug with details to
> >the FreeBSD team right away:
> >
> >http://www.freebsd.org/send-pr.html
> >
> >Its possible that mount_msdosfs is buggy in this case?
> Kris,
> I've been sort of loosely watching this thread. Is there any easy
> test this to see if this is isolated
>  perhaps to certain chipsets on
> certain mothers boards (AMD chipset v. Intel v. NForce v. VIA, etc.)
> that the rest of us can test and confirm? Typically, USB flash drives
> UNDER 2GB will come out of the factory formatted to 2GB. Anything
> OVER 2GB has ot be FAT32 or some other size due to FATs 2GB ceiling.
> I've tried my 4GB and 8GB Sandisk drives with no loss or data error
> but they are formatted FAT32. I have plenty of time to run some tests
> with USB drivers ranging from 128 FAT or FAT32 to 8GB FAT32 to play with.
> Arthur
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