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Old 11-15-2004, 04:46 AM   #1
mr_segfault
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Registered: Oct 2003
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USB flash drive problems in FC3.


I have a SanDisk 512MB Cruzer USB Micro flash drive which gives me the following problems in FC3.

After umounting the device using 'umount /mnt/usb' pulling the device produces dmesg output:
Code:
SELinux: initialized (dev sda1, type vfat), uses genfs_contexts
usb 1-4: USB disconnect, address 7
ehci_hcd 0000:00:1d.7: qh 40429080 (#0) state 1
sda : READ CAPACITY failed.
sda : status=0, message=00, host=7, driver=00
sda : sense not available.
sda: Write Protect is off
sda: Mode Sense: 00 00 00 00
sda: assuming drive cache: write through
scsi5 (0:0): rejecting I/O to dead device
scsi5 (0:0): rejecting I/O to dead device
scsi5 (0:0): rejecting I/O to dead device
scsi5 (0:0): rejecting I/O to dead device
sda : READ CAPACITY failed.
sda : status=0, message=00, host=0, driver=04
sda : sense not available.
scsi5 (0:0): rejecting I/O to dead device
sda: Write Protect is off
sda: Mode Sense: 00 00 00 00
sda: assuming drive cache: write through
sda:<3>scsi5 (0:0): rejecting I/O to dead device
Buffer I/O error on device sda, logical block 0
scsi5 (0:0): rejecting I/O to dead device
Buffer I/O error on device sda, logical block 0
scsi5 (0:0): rejecting I/O to dead device
Buffer I/O error on device sda, logical block 262143
scsi5 (0:0): rejecting I/O to dead device
Buffer I/O error on device sda, logical block 262143
scsi5 (0:0): rejecting I/O to dead device
Buffer I/O error on device sda, logical block 0
unable to read partition table
When the device is reconnected I get the following dmesg output:
Code:
usb 1-4: new high speed USB device using address 8
scsi6 : SCSI emulation for USB Mass Storage devices
 Vendor: SanDisk   Model: Cruzer Micro      Rev: 2033
 Type:   Direct-Access                      ANSI SCSI revision: 02
SCSI device sda: 1024000 512-byte hdwr sectors (524 MB)
usb 1-4: control timeout on ep0in
And then I am unable to mount the device. The only solution I have found is to reboot the machine.

As a side note, When I first attach the usb drive, I have a removable disk icon appear on my desktop. If I then umount the drive and pull it the icon is removed. If I then re-connect the usb drive again, the icon does not appear... I have a feeling that I am not correctly removing the device.. Is there something more than umount-ing it required? On windows machines, I if I ask to 'safely remove' the device, the light on the flash drive goes out before I remove it. On Linux I have not found a way to make the light go off before I remove the drive, can this be done?

Cheers..

Last edited by mr_segfault; 11-15-2004 at 04:48 AM.
 
Old 11-15-2004, 04:38 PM   #2
wizkidcom
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Registered: Nov 2004
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I'm having a similar problem on FC2. I just loaded FC3 to get around this. It sounds like it won't work.
The same pen drive works on my gentoo box. I'm looking for a cure too. If I find something, I'll post it.
 
Old 11-17-2004, 02:51 AM   #3
mr_segfault
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Posts: 95

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* Bump

So no one else has any ideas/suggestions ????

..segfault
 
  


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