[GRLUG] usb stuff

[Michael Mol]

On Tue, Jun 22, 2010 at 3:42 PM,  <topher at t1kdevelopment.com> wrote:
> On Tue, 22 Jun 2010, Michael Mol wrote:
>
>> On Tue, Jun 22, 2010 at 3:04 PM,  <topher at t1kdevelopment.com> wrote:
>>>
>>> I have a sansa clip that works great in linux.  Every now and again
>>> though,
>>> plugging in USB things seems to not be noticed, or only half noticed by
>>> my
>>> system.
>>>
>>> For example, my clip is usually loaded at /dev/sdb when I plug it in.  At
>>> the moment, it doesn't get anything at all in /dev/.  However, lsusb
>>> lists
>>> it just fine.
>>>
>>> What might be broken, and what should I restart to get it back?
>>>
>>> Topher
>>
>> Check dmesg. It could be a race condition where the device doesn't get
>> itself initialized before the kernel/hotplug/udev asks it for some
>> stuff related to creating device nodes.
>
> There's this:
>
> usb 2-1: new high speed USB device using ehci_hcd and address 18
> hub 2-0:1.0: unable to enumerate USB device on port 1
> usb 2-1: new high speed USB device using ehci_hcd and address 19
>
>
> But it doesn't mean much to me.  :(

You should see some mentions of SCSI after that; flash drives are
operated as SCSI devices.


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