Kernel panic on usb disconnect?

Tue Aug 7 13:04:42 UTC 2007

On Tue, Aug 07, 2007 at 03:02:41PM +0300, Krassimir Slavchev wrote:
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> This is on at91rm9200 with latest -current
> 
> On connect:
> 
> umass0: <Corsair Flash Voyager, class 0/0, rev 2.00/11.00, addr 2> on uhub0
> umass0: SCSI over Bulk-Only; quirks = 0x0000
> umass0:0:0:-1: Attached to scbus0
> Expensive timeout(9) function: 0xc00357f0(0xc07e6c00) 0.002746582 s
> 
> On disconnect:
> 
> umass0: BBB reset failed, IOERROR
> umass0: at uhub0 port 1 (addr 2) disconnected

This problem is not arm specific.
You have to unmount umass devices befor you can disconnect them.

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