atacontrol kernel crash (atausb?)

Hans Petter Selasky hselasky at c2i.net
Wed Jan 24 11:55:17 UTC 2007


On Wednesday 24 January 2007 12:38, Ed Schouten wrote:
> Hello,
>
> * Pietro Cerutti <pietro.cerutti at gmail.com> wrote:
> > On 1/15/07, Hans Petter Selasky <hselasky at c2i.net> wrote:
> > >No. What happens when you use/load "umass" and unload "atausb" ?
> >
> > Everything works nice with umass. It creates the da0 device node.
> > It just shows up these errors, as it always did...
> > GEOM: new disk da0
> > da0 at umass-sim0 bus 0 target 0 lun 0
> > da0: < USB2.0 FlashDisk 1.1b> Removable Direct Access SCSI-0 device
> > da0: Serial Number
> > da0: 40.000MB/s transfers
> > da0: 248MB (507904 512 byte sectors: 64H 32S/T 248C)
> > (da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x4, scsi
> > status == 0x0
> > (da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x4, scsi
> > status == 0x0
> > (da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x4, scsi
> > status == 0x0
> > (da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x4, scsi
> > status == 0x0
>
> I had these messages with two other devices before, an MP3 player and a
> USB floppy drive. I fixed these errors by adding a quirk to
> /sys/cam/scsi/scsi_da.c.
>
> 	http://www.freebsd.org/cgi/query-pr.cgi?pr=97174
> 	http://www.freebsd.org/cgi/query-pr.cgi?pr=107101

Instead of having all these quirks, isn't it possible that the SCSI layer can 
auto-probe this?

--HPS


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