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
Marat N.Afanasyev wrote:> 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 >I've found a workaround: replace /sys/dev/ata/* with files from RELENG_7_1 DMA modes work again -- SY, Marat