The following reply was made to PR kern/31990; it has been noted by GNATS.

From: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
To: bouyer@antioche.eu.org
Cc: gnats-bugs@NetBSD.org, kern-bug-people@NetBSD.org,
	gnats-admin@NetBSD.org, netbsd-bugs@NetBSD.org
Subject: Re: kern/31990: esiop leaves b_resid non-zero
Date: Wed, 16 Nov 2005 17:17:59 +0900

 > The attached patch should fix this, can you try it ?
 
 i tried "dd if=/dev/rsd0c of=/dev/null" with your patch
 and got EIO after the following messages on console.
 is this an expected behaviour?
 
 YAMAMOTO Takashi
 
 
 esiop0: DMA IRQ: Illegal instruction DMA fifo empty, DSP=0x560 DSA=0x40237464: T/L/Q=1/0/0 last msg_in=0x4 status=0xff
 esiop0: scsi bus reset
 sd0(esiop0:0:1:0): command with tag id 0 reset
 sd0: async, 8-bit transfers, tagged queueing
 sd0: sync (50.00ns offset 15), 16-bit (40.000MB/s) transfers, tagged queueing
 esiop0: DMA IRQ: Illegal instruction DMA fifo empty, DSP=0x560 DSA=0x40237680: T/L/Q=1/0/0 last msg_in=0x4 status=0xff
 esiop0: scsi bus reset
 sd0(esiop0:0:1:0): command with tag id 0 reset
 sd0: async, 8-bit transfers, tagged queueing
 sd0: sync (50.00ns offset 15), 16-bit (40.000MB/s) transfers, tagged queueing
 esiop0: DMA IRQ: Illegal instruction DMA fifo empty, DSP=0x560 DSA=0x4023789c: T/L/Q=1/0/0 last msg_in=0x4 status=0xff
 esiop0: scsi bus reset
 sd0(esiop0:0:1:0): command with tag id 0 reset
 sd0: async, 8-bit transfers, tagged queueing
 sd0: sync (50.00ns offset 15), 16-bit (40.000MB/s) transfers, tagged queueing
 esiop0: DMA IRQ: Illegal instruction DMA fifo empty, DSP=0x560 DSA=0x40237ab8: T/L/Q=1/0/0 last msg_in=0x4 status=0xff
 esiop0: scsi bus reset
 sd0(esiop0:0:1:0): command with tag id 0 reset
 sd0: async, 8-bit transfers, tagged queueing
 sd0: sync (50.00ns offset 15), 16-bit (40.000MB/s) transfers, tagged queueing
 esiop0: DMA IRQ: Illegal instruction DMA fifo empty, DSP=0x560 DSA=0x40237cd4: T/L/Q=1/0/0 last msg_in=0x4 status=0xff
 esiop0: scsi bus reset
 sd0(esiop0:0:1:0): command with tag id 0 reset
 sd0: async, 8-bit transfers, tagged queueing
 sd0: disk label read error
 sd0: sync (50.00ns offset 15), 16-bit (40.000MB/s) transfers, tagged queueing
 esiop0: DMA IRQ: Illegal instruction DMA fifo empty, DSP=0x560 DSA=0x40237ef0: T/L/Q=1/0/0 last msg_in=0x4 status=0xff
 esiop0: scsi bus reset
 sd0(esiop0:0:1:0): command with tag id 0 reset
 sd0: async, 8-bit transfers, tagged queueing
 sd0: sync (50.00ns offset 15), 16-bit (40.000MB/s) transfers, tagged queueing
 esiop0: DMA IRQ: Illegal instruction DMA fifo empty, DSP=0x560 DSA=0x40236168: T/L/Q=1/0/0 last msg_in=0x4 status=0xff
 esiop0: scsi bus reset
 sd0(esiop0:0:1:0): command with tag id 0 reset
 sd0: async, 8-bit transfers, tagged queueing
 sd0: sync (50.00ns offset 15), 16-bit (40.000MB/s) transfers, tagged queueing
 esiop0: DMA IRQ: Illegal instruction DMA fifo empty, DSP=0x560 DSA=0x40236384: T/L/Q=1/0/0 last msg_in=0x4 status=0xff
 esiop0: scsi bus reset
 sd0(esiop0:0:1:0): command with tag id 0 reset
 sd0: async, 8-bit transfers, tagged queueing
 sd0: sync (50.00ns offset 15), 16-bit (40.000MB/s) transfers, tagged queueing
 esiop0: DMA IRQ: Illegal instruction DMA fifo empty, DSP=0x560 DSA=0x402365a0: T/L/Q=1/0/0 last msg_in=0x4 status=0xff
 esiop0: scsi bus reset
 sd0(esiop0:0:1:0): command with tag id 0 reset
 sd0: async, 8-bit transfers, tagged queueing
 sd0: sync (50.00ns offset 15), 16-bit (40.000MB/s) transfers, tagged queueing
 esiop0: DMA IRQ: Illegal instruction DMA fifo empty, DSP=0x560 DSA=0x402367bc: T/L/Q=1/0/0 last msg_in=0x4 status=0xff
 esiop0: scsi bus reset
 sd0(esiop0:0:1:0): command with tag id 0 reset
 sd0: async, 8-bit transfers, tagged queueing