Date: Thu, 13 Apr 2006 02:28:09 -0500 From: David J Brooks <daeg@houston.rr.com> To: freebsd-questions@freebsd.org Cc: Perttu Laine <plaine@gmail.com> Subject: Re: DMA TIMEOUT Message-ID: <200604130228.10172.daeg@houston.rr.com> In-Reply-To: <c6ef380c0604122358u3d8edc2ewd9b5a10e9e8fb4d8@mail.gmail.com> References: <c6ef380c0604122358u3d8edc2ewd9b5a10e9e8fb4d8@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Thursday 13 April 2006 01:58, Perttu Laine wrote: > I have problem with ATA drive having DMA TIMEOUTs. > It might work day or two fine with DMA mode on but then system halts on > those dma timeout problems. > > hardware is: > atapci0@pci2:5:0: class=0x018085 card=0x4d68105a chip=0x4d69105a > rev=0x02 hdr=0x00 > vendor = 'Promise Technology Inc' > device = 'PDC20269 Ultra133 TX2 EIDE Controller' > class = mass storage > > and PDC20269 is on supported list (5.4-RELEASE). > > and has one 160GB drive in it. When I first got this problem I tried change > cable, changed drive to another similar one and moved drive to different > place on card. No help. Now it has been running on PIO mode about a year > without any problems at all. > > So I wonder if there actually is some problem in ata drivers and is there > maybe any fixes on those drivers in new releases? So would upgrade to 5.5 > or 6.1 help on this? upgrade from 5.3 to 5.4 didn't help... > > I can actually run it on PIO-mode but sometimes DMA could give little more > speed so if you would be cool if I can get it work with DMA mode on. I had a similar situation under 6.0. My secondary drive would throw DMA read errors at bootup, adding several minutes to the boot process, so I ran it in PIO mode. The upgrade to 6.1 solved it, both drives work fine as DMA now. David -- Sure God created the world in only six days, but He didn't have an established user-base.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200604130228.10172.daeg>