Date: Sun, 01 Feb 2009 08:38:15 +0300 From: "Marat N.Afanasyev" <amarat@ksu.ru> To: freebsd-stable@freebsd.org Subject: problem with acd udma mode Message-ID: <49853547.2060105@ksu.ru>
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i cannot read or write any disk inserted in my acd0 <PIONEER DVD-RW DVR-111D/1.29> when this device in udma mode. kernel endlessly repeat that acd0: setting up DMA failed and I can access my data on dvd or cd only if I set atacontrol mode acd0 pio4 Does anybody have such a problem too? is there any ways to bring this device into udma mode again? dmesg: ... atapci1: <ATI IXP600 UDMA133 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xff00-0xff0f at device 20.1 on pci0 ata0: <ATA channel 0> on atapci1 ata0: [ITHREAD] ... acd0: DVDR <PIONEER DVD-RW DVR-111D/1.29> at ata0-master UDMA66 ... uname -a: FreeBSD zealot.ksu.ru 7.1-STABLE FreeBSD 7.1-STABLE #1: Tue Jan 20 05:47:24 MSK 2009 root@zealot.ksu.ru:/usr/obj/usr/src/sys/ZEALOT amd64 grep -A 1 DMA /var/log/messages: Jan 27 22:12:19 zealot kernel: acd0: setting up DMA failed Jan 27 22:12:30 zealot last message repeated 3623 times -- Jan 27 22:12:30 zealot kernel: acd0: setting up DMA failed Jan 27 22:12:33 zealot last message repeated 919 times -- Jan 27 22:12:33 zealot kernel: acd0: setting up DMA failed Jan 27 22:12:45 zealot last message repeated 4021 times -- Jan 27 22:12:45 zealot kernel: acd0: setting up DMA failed Jan 27 22:13:05 zealot last message repeated 6571 times -- Jan 31 21:41:48 zealot kernel: acd0: setting up DMA failed Jan 31 21:42:10 zealot last message repeated 7531 times -- Feb 1 08:24:59 zealot kernel: acd0: setting up DMA failed Feb 1 08:25:09 zealot last message repeated 10 times -- SY, Marat
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