da(4) not attaching to USB drive

Matthias Apitz guru at unixarea.de
Sat Jan 22 12:07:14 UTC 2011


Hello,

I have the problem with my new laptop Acer Aspire One that an USB disk
is not attaching most of the time; the disk itself works in 3 other
laptops without any problem; here is a (normal) bad and one positive example
from messages:


Jan 22 09:22:44 tinyCurrent root: Unknown USB device: vendor 0x07ab product 0xfc8e bus uhub4
Jan 22 09:22:44 tinyCurrent kernel: ugen4.3: <Freecom> at usbus4
Jan 22 09:22:44 tinyCurrent kernel: umass0: <Bulk Only Interface> on usbus4
Jan 22 09:22:44 tinyCurrent kernel: umass0:  SCSI over Bulk-Only; quirks = 0x0000
Jan 22 09:22:45 tinyCurrent kernel: umass0:0:0:-1: Attached to scbus0
Jan 22 09:22:57 tinyCurrent kernel: ugen4.3: <Freecom> at usbus4 (disconnected)
Jan 22 09:22:57 tinyCurrent kernel: umass0: at uhub4, port 1, addr 3 (disconnected)
Jan 22 09:22:57 tinyCurrent kernel: (probe0:umass-sim0:0:0:0): AutoSense failed


Jan 22 09:23:10 tinyCurrent root: Unknown USB device: vendor 0x07ab product 0xfc8e bus uhub4
Jan 22 09:23:10 tinyCurrent kernel: ugen4.3: <Freecom> at usbus4
Jan 22 09:23:10 tinyCurrent kernel: umass0: <Bulk Only Interface> on usbus4
Jan 22 09:23:10 tinyCurrent kernel: umass0:  SCSI over Bulk-Only; quirks = 0x0000
Jan 22 09:23:11 tinyCurrent kernel: umass0:0:0:-1: Attached to scbus0
Jan 22 09:23:11 tinyCurrent kernel: da0 at umass-sim0 bus 0 scbus0 target 0 lun 0
Jan 22 09:23:11 tinyCurrent kernel: da0: <Freecom Hard Drive XS 1.00> Fixed Direct Access SCSI-2 device 
Jan 22 09:23:11 tinyCurrent kernel: da0: 40.000MB/s transfers
Jan 22 09:23:11 tinyCurrent kernel: da0: 1430799MB (2930277168 512 byte sectors: 255H 63S/T 182401C)

The kernel is 9-CURRENT r214444 (October 2010). Any ideas?

	matthias
-- 
Matthias Apitz
t +49-89-61308 351 - f +49-89-61308 399 - m +49-170-4527211
e <guru at unixarea.de> - w http://www.unixarea.de/


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