F16: Kernel bug with USB disks ?

Terry Barnaby terry1 at beam.ltd.uk
Mon Mar 26 13:19:48 UTC 2012


On 03/26/2012 02:05 PM, Terry Barnaby wrote:
> Hi,
> 
> I am using the latest F16 kernel: 3.3.0-4.fc16.i686.PAE and am having
> problems with a MicroSD card connected to a USB card reader. This has
> been working fine until recently (at least in F14 on the same hardware).
> 
> The problem is that "umount" does not appear to be working correctly.
> I have an ext3 file system on the card. I can mount it, and I can copy
> files to it. However when I use the "umount ..." command it returns
> instantly (should sync the files to the card). The system says the card
> is unmounted (at least it is not listed with mount, df etc).
> 
> However if I run sync, there is a lot of disk activity to the card ...
> 
> Also if I try and run "mkfs" it says the device in in use ...
> If I mount a blank card it lists the files present on the previous card ...
> 
> This sounds like a nasty kernel bug ...
> Anyone else seen this ?
> 
> Cheers
> 
> 
> 
> Terry

Looks like kernel 3.2.9-2.fc16.i686.PAE is ok ...

Cheers


Terry


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