USB problem.

[Julian Elischer]

> Date: Sun, 4 Apr 2004 20:17:18 -0400
> From: Christopher Sean Hilton <chris at vindaloo.com>
> Subject: Re: HEADSUP!!! USB MFC committed..
> To: Julian Elischer <julian at elischer.org>
> Cc: stable at freebsd.org
> Message-ID: <20040405001718.GA3027 at endaba.pvt.vindaloo.com>
> Content-Type: text/plain; charset=us-ascii
> 
> On Fri, Mar 26, 2004 at 05:08:35PM -0800, Julian Elischer wrote:
> 
> I'm having a problem with Pendrives in general. My "manufactured for
> Memorex by Trek" 256M Drive came up in 10 seconds on FreeBSD 4.8. In
> 4.9 since the MFC it takes two minutes and ten seconds. I suspect that
> some quirk got turned off and that the machine it timeing out some
> SCSI commands at startup. I would love to get the old behaviour
> back. I've built a debugging kernel with CAMDEBUG turned on. Here's
> what happens:
> 
> Apr  4 19:51:08 dagobah /kernel.test: (xpt0:xpt0:0:-1:-1): debugging flags now 8
> Apr  4 19:51:20 dagobah /kernel.test: umass0: USB Solid state disk, rev 1.10/1.00, addr 2
> Apr  4 19:51:20 dagobah /kernel.test: umass0:1:0:-1: Attached to scbus1 as device 0
> Apr  4 19:51:20 dagobah /kernel.test: (probe0:umass-sim0:0:0:0): INQUIRY. CDB: 12 0 0 0 24 0 
> 
> ... Wait ...
> 
> Apr  4 19:53:30 dagobah /kernel.test: (probe0:umass-sim0:0:0:0): Vendor Specific Command. CDB: 12 0 0 0 24 0 
> Apr  4 19:53:32 dagobah /kernel.test: (probe0:umass-sim0:0:0:0): INQUIRY. CDB: 12 1 80 0 ff 0 
> Apr  4 19:53:32 dagobah /kernel.test: (probe0:umass-sim0:0:0:0): TEST UNIT READY. CDB: 0 0 0 0 0 0 
> Apr  4 19:53:32 dagobah /kernel.test: pass0 at umass-sim0 bus 0 target 0 lun 0
> Apr  4 19:53:32 dagobah /kernel.test: pass0: <Memorex ThumbDrive 1.12> Removable Direct Access SCSI-2 device 
> Apr  4 19:53:32 dagobah /kernel.test: pass0: Serial Number 
> Apr  4 19:53:32 dagobah /kernel.test: pass0: 650KB/s transfers
> Apr  4 19:53:32 dagobah /kernel.test: Creating DISK da0
> Apr  4 19:53:32 dagobah /kernel.test: (da0:umass-sim0:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0 
> Apr  4 19:53:32 dagobah /kernel.test: da0 at umass-sim0 bus 0 target 0 lun 0
> Apr  4 19:53:32 dagobah /kernel.test: da0: <Memorex ThumbDrive 1.12> Removable Direct Access SCSI-2 device 
> Apr  4 19:53:32 dagobah /kernel.test: da0: Serial Number 
> Apr  4 19:53:32 dagobah /kernel.test: da0: 650KB/s transfers
> Apr  4 19:53:32 dagobah /kernel.test: da0: 252MB (516096 512 byte sectors: 64H 32S/T 252C)
> 
> 
> It looks like the first inquiry command is timing out and then the
> code changes the CDB from "12 0 0 0 24 0" to "12 1 80 0 ff 0" which
> succeeds. This may just be a matter of needing some more time for the
> device to settle before it's probed. I say that because the device
> comes right up when the kernel is booted.
> 
> I can send you more detailed information if you would like. The usb
> device id is Vendor: 0x0a16 Product 0x9780. It's a Trek 256Mb
> Thumbdrive manufactured for Memorex.
> 
> Thanks for any help you can provide. (I can look into this more deeply
> on my own if you can give me some pointers)
> 
> # Kernel Configuration for GATEWAY-450 Laptop


I am working on USB this week
I hope to be able to look for this problem as part of that ..
thanks.