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Re: USB umass quirk required?



On Wed, 5 Feb 2014, Stephen Borrill wrote:
I've been given a dodgy MP3 microphone which should work as a umass (and it does in Windows, of course).

On netbsd-6, it disconnects and then reconnects, but it cannot be accessed (not even using dd on the raw device). On netbsd-5, it disconnects, but doesn't reconnect.

Is there a good quirk I can set?

OTOH, I'm a little worried about "2048 bytes/sect". Is this likely to work? How about on netbsd-5?

umass0 at uhub2 port 2 configuration 1 interface 0
umass0: WuXi INTECH Ruan mp3M-aM-(M^AM-cM^LM^CM-cM^LM^@, rev 2.00/0.01, addr 3
umass0: using SCSI over Bulk-Only
scsibus0 at umass0: 2 targets, 1 lun per target
umass0: BBB reset failed, IOERROR
umass0: BBB bulk-in clear stall failed, IOERROR
umass0: BBB bulk-out clear stall failed, IOERROR
scsibus0: detached
umass0: detached
umass0: at uhub2 port 2 (addr 3) disconnected
umass0 at uhub2 port 2 configuration 1 interface 0
umass0: WuXi INTECH Co. Ltd. Ruan5 mp3 wma udiskM-LM-", rev 2.00/0.01, addr 3
umass0: using SCSI over Bulk-Only
scsibus0 at umass0: 2 targets, 1 lun per target
sd0 at scsibus0 target 0 lun 0: <WXINTECH, USB Storage-FLS, 0100> disk removable
sd0: fabricating a geometry
sd0: 105 MB, 26 cyl, 64 head, 32 sec, 2048 bytes/sect x 54209 sectors
sd0: fabricating a geometry
sd0: dos partition I/O error

Here's the output with UMASS_DEBUG:

http://www.netbsd.org/~sborrill/umassdebug.txt

--
Stephen



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