From owner-freebsd-questions  Sat Jun  1  3:47:35 2002
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Date: Sat, 1 Jun 2002 10:47:27 GMT
From: Abc Xyz <abc@anchorageinternet.org>
Message-Id: <200206011047.g51AlRP38159@groggy.anc.acsalaska.net>
Subject: acd errors
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devices:

atapci0: <Promise ATA100 controller> port 0xef00-0xef3f,0xefe0-0xefe3,0xefa8-0xefaf,0xefe4-0xefe7,0xeff0-0xeff7 mem 0xebfc0000-0xebfdffff irq 11 at device 4.0 on pci0
ata2: at 0xeff0 on atapci0
ata3: at 0xefa8 on atapci0
atapci1: <AcerLabs Aladdin ATA33 controller> port 0xffa0-0xffaf irq 0 at device 11.0 on pci0
ata2-master: DMA limited to UDMA33, non-ATA66 compliant cable
ad4: 38166MB <WDC WD400AB-22CDB0> [77545/16/63] at ata2-master UDMA33
acd0: CD-RW <CREATIVE CD-RW RW8435E> at ata2-slave using PIO4

when i read/view some (not all) files on the CD-RW:

Jun  1 01:59:47 en26 /kernel: acd0: READ_BIG command timeout - resetting
Jun  1 01:59:47 en26 /kernel: ata2: resetting devices .. ata2-master: DMA limit
Jun  1 01:59:47 en26 /kernel: done
Jun  1 01:59:47 en26 /kernel: acd0: read data overrun 2048/0
Jun  1 01:59:47 en26 /kernel: acd0: read data overrun 2048/0
Jun  1 02:40:33 en26 /kernel: acd0: READ_BIG command timeout - resetting
Jun  1 02:40:33 en26 /kernel: ata2: resetting devices .. ata2-master: DMA limit
Jun  1 02:40:33 en26 /kernel: done
Jun  1 02:40:33 en26 /kernel: acd0: read data overrun 2048/0
Jun  1 02:40:33 en26 /kernel: acd0: read data overrun 2048/0
Jun  1 02:41:17 en26 /kernel: acd0: READ_BIG command timeout - resetting
Jun  1 02:41:17 en26 /kernel: ata2: resetting devices .. ata2-master: DMA limit
Jun  1 02:41:17 en26 /kernel: done
Jun  1 02:41:17 en26 /kernel: acd0: read data overrun 2048/0  
Jun  1 02:41:17 en26 /kernel: acd0: read data overrun 2048/0

i am not sure if i did something wrong,
or if this is a driver problem ...

if anyone has an idea, please let me know.
please Cc any replies off list.

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