Date: Fri, 27 Aug 2010 09:04:15 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org Cc: Alexander Best <arundel@freebsd.org> Subject: Re: problem with mobile phone Message-ID: <201008270904.16009.hselasky@c2i.net> In-Reply-To: <20100826215028.GA80160@freebsd.org> References: <20100826215028.GA80160@freebsd.org>
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On Thursday 26 August 2010 23:50:28 Alexander Best wrote: > hi there, > > when i connect my mobile phone to a recent HEAD (amd64; r211393) i get the > following: > > ugen3.3: <Samsung> at usbus3 > umass0: <USB Mass Storage Interface> on usbus3 > (probe0:umass-sim0:0:0:0): TEST UNIT READY. CDB: 0 0 0 0 0 0 > (probe0:umass-sim0:0:0:0): CAM status: SCSI Status Error > (probe0:umass-sim0:0:0:0): SCSI status: Check Condition > (probe0:umass-sim0:0:0:0): SCSI sense: UNIT ATTENTION asc:28,0 (Not ready > to ready change, medium may have changed) da0 at umass-sim0 bus 0 scbus9 > target 0 lun 0 > da0: <Samsung SGH-i550 1.0> Removable Direct Access SCSI-0 device > da0: 40.000MB/s transfers > da0: 3777MB (7736320 512 byte sectors: 255H 63S/T 481C) > > when i try to read stuff from the phone, it resets and i get this: > > ugen3.3: <Samsung> at usbus3 (disconnected) > umass0: at uhub8, port 3, addr 3 (disconnected) > (da0:umass-sim0:0:0:0): AutoSense failed > (da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0xa, scsi > status == 0x0 (da0:umass-sim0:0:0:0): lost device > (da0:umass-sim0:0:0:0): removing device entry > > it both happens if i mount it and read files or if i directly read > something from the /dev/da0 device using `dd`. > > interestingly it always crashes after the same ammount of data read: > > dd: /dev/da0: Input/output error > 4+0 records in > 4+0 records out > 4194304 bytes transferred in 3.333149 secs (1258361 bytes/sec) > > after a few retries the usb port i was using becomes unusable and nothing > is being detected any longer. > > i'm pretty sure this didn't happen a few weeks ago, but now it does. > Hi, Have you loaded the usb_quirk.ko ? Try adding a mass storage quirk for this mass storage device, for test unit ready and synchronize cache. Else look for changes in SCSI area. --HPS
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