USB cannot be read

Antonio M antonio.montagnani at gmail.com
Mon May 12 08:22:24 UTC 2008


2008/5/11 Antonio M <antonio.montagnani at gmail.com>:
>
> 2008/5/11 Antonio Olivares <olivares14031 at yahoo.com>:
>  >
>  >
>  >  --- Antonio M <antonio.montagnani at gmail.com> wrote:
>  >
>  >  > 2008/5/11 Antonio Olivares
>  >  > <olivares14031 at yahoo.com>:
>  >  > >
>  >  > >
>  >  > >  --- Antonio M <antonio.montagnani at gmail.com>
>  >  > wrote:
>  >  > >
>  >  > >  > 2008/5/11 Antonio M
>  >  > <antonio.montagnani at gmail.com>:
>  >  > >  > > After some time I plugged my USB MP3 player
>  >  > and I
>  >  > >  > find that is seen as
>  >  > >  > >  read-only!!!!
>  >  > >  > >  What is the component to blame???
>  >  > >  > >
>  >  > >  > >  It was working fine....Fedora 9 fully
>  >  > updated!!!
>  >  > >  > >
>  >  > >  > >  Tnx
>  >  > >  > >
>  >  > >  > >  --
>  >  > >  > >  Antonio Montagnani
>  >  > >  > >  Skype : antoniomontag
>  >  > >  > >
>  >  > >  >
>  >  > >  > and this is my mtab file
>  >  > >  >
>  >  > >  > /dev/mapper/VolGroup00-LogVol00 / ext3 rw 0 0
>  >  > >  > proc /proc proc rw 0 0
>  >  > >  > sysfs /sys sysfs rw 0 0
>  >  > >  > devpts /dev/pts devpts rw,gid=5,mode=620 0 0
>  >  > >  > /dev/sda1 /boot ext3 rw 0 0
>  >  > >  > tmpfs /dev/shm tmpfs rw 0 0
>  >  > >  > none /proc/sys/fs/binfmt_misc binfmt_misc rw 0
>  >  > 0
>  >  > >  > sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0
>  >  > 0
>  >  > >  > fusectl /sys/fs/fuse/connections fusectl rw 0 0
>  >  > >  > /dev/sdb1 /media/disk vfat
>  >  > >  >
>  >  > ro,nosuid,nodev,uhelper=hal,shortname=lower,uid=500
>  >  > >  > 0 0
>  >  > >  >
>  >  > >  >
>  >  > >  >
>  >  > >  > --
>  >  > >  > Antonio Montagnani
>  >  > >  > Skype : antoniomontag
>  >  > >  >
>  >  > >  > --
>  >  > >  > fedora-test-list mailing list
>  >  > >  > fedora-test-list at redhat.com
>  >  > >  > To unsubscribe:
>  >  > >  >
>  >  > >
>  >  >
>  >  https://www.redhat.com/mailman/listinfo/fedora-test-list
>  >  > >
>  >  > > >
>  >  > >
>  >  > >  /dev/sdb1 /media/disk vfat
>  >  > >
>  >  > ro,nosuid,nodev,uhelper=hal,shortname=lower,uid=500
>  >  > 0
>  >  > >  0
>  >  > >
>  >  > >  There it is, change the ro (which is read-only)
>  >  > to rw
>  >  > >
>  >  > >
>  >  > >  /dev/sdb1 /media/disk vfat
>  >  > >
>  >  > rw,nosuid,nodev,uhelper=hal,shortname=lower,uid=500
>  >  > 0
>  >  > >  0
>  >  > >
>  >  > >  That should cure it :)
>  >  > >
>  >  > >  Regards,
>  >  > >
>  >  > >  Antonio
>  >  > >
>  >  > >
>  >  > >
>  >  >
>  >  ____________________________________________________________________________________
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>  >  > >
>  >  >
>  >  > mtab is automatically created and I suppose modified
>  >  > when something is
>  >  > connected/disconnected.
>  >  > Why does the system set ro to USB disk??? I think
>  >  > that I should not
>  >  > change any setting by hand (as it was in the
>  >  > past...)
>  >  >
>  >  > this is before connecting any USB device...
>  >  >
>  >  >
>  >  > /dev/mapper/VolGroup00-LogVol00 / ext3 rw 0 0
>  >  > proc /proc proc rw 0 0
>  >  > sysfs /sys sysfs rw 0 0
>  >  > devpts /dev/pts devpts rw,gid=5,mode=620 0 0
>  >  > /dev/sda1 /boot ext3 rw 0 0
>  >  > tmpfs /dev/shm tmpfs rw 0 0
>  >  > none /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0
>  >  > sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0
>  >  > fusectl /sys/fs/fuse/connections fusectl rw 0 0
>  >  >
>  >  > --
>  >  > Antonio Montagnani
>  >  > Skype : antoniomontag
>  >  >
>  >  > --
>  >
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>  >  > To unsubscribe:
>  >  >
>  >  https://www.redhat.com/mailman/listinfo/fedora-test-list
>  >  >
>  >
>  >  Does rebooting return it back to rw?
>  >
>  >  If it does not, then it might be a bug.
>  >
>  >
>  >
>  >  Regards,
>  >
>  >  Antonio
>  >
>  >
>  >       ____________________________________________________________________________________
>  >  Be a better friend, newshound, and
>  >  know-it-all with Yahoo! Mobile.  Try it now.  http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ
>  >
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>  >
>
>  Antonio
>
>  I didn't edit by hand mtab....but I carried out a test with a plain
>  USB stick (not a Mplayer) and mtab set it to rw.
>  I remember that sometime ago I had a similar problem, someone pointed
>  out a temporary solution before a final solution was set in Fedora.
>  I can't understand why I got back to exactly same problem- maybe that
>  progress is some step forward some steps backward...not sure about
>  that  :-)
>
>  I assume that is a bug in Fedora, but I don't know the component to
>  fil a bug against
>
>  Regards
>
>  --
>  Antonio Montagnani
>  Skype : antoniomontag
>
 I found that a lock button on the device was on but it is still not
working after unlocking it:

dmesg output is:
usb 2-1: new high speed USB device using ehci_hcd and address 5
usb 2-1: configuration #1 chosen from 1 choice
scsi7 : SCSI emulation for USB Mass Storage devices
usb 2-1: New USB device found, idVendor=0402, idProduct=5661
usb 2-1: New USB device strings: Mfr=3, Product=1, SerialNumber=2
usb 2-1: Product: PLAYER
usb 2-1: Manufacturer: KEENHIGH
usb 2-1: SerialNumber: 00403000100000000642
usb-storage: device found at 5
usb-storage: waiting for device to settle before scanning
usb-storage: device scan complete
scsi 7:0:0:0: Direct-Access              Audio Player          PQ: 0 ANSI: 0 CCS
sd 7:0:0:0: [sdc] 4082688 512-byte hardware sectors (2090 MB)
sd 7:0:0:0: [sdc] Write Protect is off
sd 7:0:0:0: [sdc] Mode Sense: 03 00 00 00
sd 7:0:0:0: [sdc] Assuming drive cache: write through
sd 7:0:0:0: [sdc] 4082688 512-byte hardware sectors (2090 MB)
sd 7:0:0:0: [sdc] Write Protect is off
sd 7:0:0:0: [sdc] Mode Sense: 03 00 00 00
sd 7:0:0:0: [sdc] Assuming drive cache: write through
 sdc: sdc1
sd 7:0:0:0: [sdc] Attached SCSI removable disk
sd 7:0:0:0: Attached scsi generic sg3 type 0

and mtab is
/dev/sdc1 /media/disk vfat
rw,nosuid,nodev,uhelper=hal,shortname=lower,uid=500 0 0

so it should be writable....

But when I look into proprties (see attached jpeg file) I see that no
choice for file access

Any hint???

-- 
Antonio Montagnani
Skype : antoniomontag
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