Date: Thu, 9 Sep 2004 16:55:47 +0300 From: Alexander Portnoy <my-subs@mail.ru> To: freebsd-current@freebsd.org Subject: Re: DMA-aware drive runs at PIO since upgrading to 5.3beta Message-ID: <20040909165547.7b5d889f.my-subs@mail.ru> In-Reply-To: <413FE07E.2070302@mark.reidel.info> References: <413FE07E.2070302@mark.reidel.info>
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On Thu, 09 Sep 2004 06:47:58 +0200 Mark Daniel Reidel <changethis@mark.reidel.info> wrote: > Hi there! > > Since I upgraded from a current as of end of July to 5.3 beta2, I noticed, > that by CDRW now runs on PIO4 which is quite annoying, since it was running > on WDMA perfectly well before :o( My other drive, a DVD is detected fine, > here's the dmesg snip: > > ata0-slave: pio=0x0c wdma=0x22 udma=0x42 cable=40pin > ATAPI_RESET time = 40us > ata0-master: pio=0x0c wdma=0x22 udma=0xffffffff cable=40pin > ATAPI_RESET time = 10us > ata0-master: setting PIO4 on VIA 82C686B chip > ata0-slave: setting PIO4 on VIA 82C686B chip > ata0-slave: setting UDMA33 on VIA 82C686B chip > acd0: <PLEXTOR CD-R PX-W5224A/1.02> CDRW drive at ata0 as master > acd0: read 6890KB/s (6890KB/s) write 8958KB/s (8958KB/s), 2048KB buffer, PIO4 > acd0: Reads: CDR, CDRW, CDDA stream, packet > acd0: Writes: CDR, CDRW, test write, burnproof > acd0: Audio: play, 256 volume levels > acd0: Mechanism: ejectable tray, unlocked > acd0: Medium: CD-ROM unknown > acd1: <Pioneer DVD-ROM ATAPIModel DVD-105S 0122/E1.22> DVDROM drive at ata0 > as slave > acd1: read 2750KB/s (6875KB/s), 512KB buffer, UDMA33 > acd1: Reads: CDR, CDRW, CDDA stream, DVDROM, DVDR, packet > acd1: Writes: > acd1: Audio: play, 256 volume levels > acd1: Mechanism: ejectable tray, unlocked > acd1: Medium: no/blank disc > > Any idea why it's doing this? My other PC at work has a CDROM which is also > now run on PIO4 instead of DMA since the upgrade, so I guess it's nothing > specific to my hardware since I have an Athlon and a P4 at work. > Any help would be appreciated, because burning at PIO4 is not what I'd like > to to from now on as you can imagine ;o) > > - Mark Mee too :-( Since I upgraded from 5.2.1 to 5.3-BETA3. This happens also under FreeBSD-6.0-CURRENT (2004.08.29.21.12.19). acd0: CDRW <HL-DT-STCD-RW/DVD DRIVE GCC-4241N/0C27> at ata1-master PIO4 hw.ata.atapi_dma: 1
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