kern/42752: Silicon Motion, Inc. Generic USB SDHC reader umass error

[jgw%freeshell.org@localhost]

>Number:         42752
>Category:       kern
>Synopsis:       Silicon Motion, Inc. Generic USB SDHC reader umass error
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    kern-bug-people
>State:          open
>Class:          support
>Submitter-Id:   net
>Arrival-Date:   Sat Feb 06 00:25:00 +0000 2010
>Originator:     Jeff Woodall
>Release:        5.99.23
>Organization:
>Environment:
NetBSD simple.sleepy.cat 5.99.23 NetBSD 5.99.23 (GENERIC) #0: Thu Jan 14 
09:27:52 UTC 2010  
builds%b7.netbsd.org@localhost:/home/builds/ab/HEAD/i386/201001140000Z-obj/home/builds/ab/HEAD/src/sys/arch/i386/compile/GENERIC
 i386
>Description:
Unmarked SDHC USB card reader fails detection.  Device tested with
Kingston 8GB SDHC card.  Reader works fine on Ubuntu.  Card formatted
FAT32 (msdos).

# dmesg
umass0 at uhub0 port 2 configuration 1 interface 0
umass0: Silicon Motion, Inc. Generic USB2.0 card, rev 2.00/1.00, addr 2
umass0: using SCSI over Bulk-Only
scsibus0 at umass0: 2 targets, 1 lun per target
sd0 at scsibus0 target 0 lun 0: <Generic, USB  SD Reader, 1.00> disk removable
sd0(umass0:0:0:0): generic HBA error
sd0: drive offline
sd0(umass0:0:0:0): generic HBA error
sd0: unable to open device, error = 5
>How-To-Repeat:
Obtain similar reader/card and plug into USB port
>Fix:
My guess is it needs some sort of minor fudge.  There was a related
discussion recently on netbsd-users list WRT digital cameras mounting
issues.  One suggestion was relaxing the probing a little.