Date: Fri, 13 Jun 2003 21:29:59 +0200 From: Bernd Walter <ticso@cicely12.cicely.de> To: Antoine Jacoutot <ajacoutot@lphp.org> Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org> Subject: Re: problem with UMASS Message-ID: <20030613192958.GZ26807@cicely12.cicely.de> In-Reply-To: <1055519112.3ee9f1889860e@webmail.lphp.org> References: <1055519112.3ee9f1889860e@webmail.lphp.org>
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On Fri, Jun 13, 2003 at 05:45:12PM +0200, Antoine Jacoutot wrote: > Hi ! > > I'm using a USB adapter to plug a HDD into my FreeBSD-4.8 box. > If I boot with the device pluged-in, it works fine, but if I plug it in after > boot or unplug then replug it, it doesn't work anymore (I get timeout errors). > Here is some information about this device: > > from dmesg.boot: > umass0: QTS USB 2.0 ATAPI Bridge, rev 2.00/11.00, addr 2 > da0 at umass-sim0 bus 0 target 0 lun 0 > da0: <IC35L120 AVV207-0 V24O> Fixed Direct Access SCSI-0 device > da0: 650KB/s transfers > da0: 117800MB (241254720 512 byte sectors: 64H 32S/T 52264C) > > from /var/log/messages: > srv01 /kernel: (da0:umass-sim0:0:0:0): READ(6)/WRITE(6) not supported, > increasing minimum_cmd_size to 10. > > Someone told me to try adding the device to da_quirk_table in > src/sys/cam/scsi/scsi_da.c and recompiling, but I'm not sure how to add the > thing. > Any help would be greatly appreciated. Your device doesn't support 6 byte commands and the kernel switches to 10 byte alternatives. Where is your problem? Is it just because the kernel told you what he does? -- B.Walter BWCT http://www.bwct.de ticso@bwct.de info@bwct.de
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