Subject: Re: usb floppy support
To: Mark Davies <mark@mcs.vuw.ac.nz>
From: Steven M. Bellovin <smb@research.att.com>
List: current-users
Date: 04/15/2004 10:27:12
In message <200404160223.35041.mark@mcs.vuw.ac.nz>, Mark Davies writes:
>On Friday 16 April 2004 02:01, Steven M. Bellovin wrote:
>> Make sure it's plugged in at boot time.
>>
>> The most likely answer has to do with buffer memory allocation; the
>> kernel can't find a big-enough contiguous block.  At boot time, it can.
>
>No its not that (its been plugged in at boot).
>Would you expect the floppy to appear as an sd?  Note there is no fd or fdc at
> 
>atapibus in the GENERIC config so its not going to be found as a floppy, if 
>that makes sense in this context, and presuming it did make sense there is 
>presumably more to supporting it that just adding the line to the config 
>file.
>

My USB floppy appears as an sd:

umass0 at uhub0 port 1 configuration 1 interface 0
umass0: TEAC TEAC FD-05PUB, rev 1.00/0.00, addr 2
umass0: using UFI over CBI with CCI
atapibus0 at umass0: 2 targets
sd0 at atapibus0 drive 0: <TEAC, FD-05PUB, 1026> disk removable
sd0: drive offline
...
sd0(umass0:0:0):  Check Condition on CDB: 0x00 00 00 00 00 00
    SENSE KEY:  Not Ready
     ASC/ASCQ:  Medium Not Present

sd0(umass0:0:0):  Check Condition on CDB: 0x00 00 00 00 00 00
    SENSE KEY:  Not Ready
     ASC/ASCQ:  Medium Not Present

sd0(umass0:0:0):  Check Condition on CDB: 0x00 00 00 00 00 00
    SENSE KEY:  Not Ready
     ASC/ASCQ:  Medium Not Present


		--Steve Bellovin, http://www.research.att.com/~smb