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cc: current@FreeBSD.ORG
Subject: Re: [TECH] physio split the request.. cannot proceed 
In-reply-to: Your message of "Fri, 03 Apr 1998 21:32:09 PST."
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Date: Fri, 03 Apr 1998 23:06:53 -0800
From: Amancio Hasty <hasty@rah.star-gate.com>
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Part II -- not recognizing all scsi standard errors

For some reason we don't know how to recognize scsi error 16 .

Any one got a clue as to what this error code  is  or can
point me to scsi 2 specs ?

	Tnks,
	Amancio




> A bit more info:
> This is from scsi_ioctl:do_command
>                   
>                         bp = malloc(sizeof (struct buf),M_TEMP,M_WAITOK);
>                         bzero(bp,sizeof(struct buf)); 
>                         d_addr = screq->databuf; 
>                         printf("do_command screq->datalen %d \n", screq->
> datalen
> 
> Apr  3 21:17:09 cioloco /kernel: do_command screq->datalen 5 
> 
> in scsio_ioctl.c:scsistrategy
>         /* We're in trouble if physio tried to break up the
>          * transfer:
>          */
>         if (bp->b_bcount != screq->datalen) {
>                 sc_print_addr(sc_link);
>                 printf("bp->b_bcount %d screq->datalen %d screq->cmdlen %d \n",
>                       bp->b_bcount, screq->datalen, screq->cmdlen);
> 
>                 printf("physio split the request.. cannot proceed\n");
>                 scsierr(bp, EIO);
>                 return;
>         }
> 
> 
> 	So where are our scsi experts ? 8)
> 	Tnks!
> 	Amancio
> 
> 
> Apr  3 21:17:09 cioloco /kernel: uk0: bp->b_bcount 0 screq->datalen 5 screq->
> cmd
> len 6 
> 
> > 
> > Try to use the Linux package SANE -- is a scsi scanner package.
> > 
> > While trying to read from the scsi scanner , I am getting :
> > physio split the request.. cannot proceed
> > 
> > This message is coming from :scsi_ioctl.c:scsistrategy
> > 
> > A few months ago , I didn't have any problems at all using SANE.
> > 
> > The scsi read request is way below the 32k limit .
> > 
> > 	Anyone got a clue as to what changed in the kernel ?
> > 
> > 	Tnks,
> > 	Amancio
> > 
> > 
> > 
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> > with "unsubscribe freebsd-current" in the body of the message
> 
> 
> 
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