Date: Sat, 11 Oct 2003 11:40:17 -0500 From: Kirk Strauser <kirk@strauser.com> To: freebsd-current@freebsd.org Subject: ATAng still causing a lot of pain. Message-ID: <87wubbiv7y.fsf@strauser.com>
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I recently re-installed a SCSI tape drive on my -CURRENT server, and began
loading the IDE bus more than I head in a few months. I immediate started
getting console logs like:
Oct 10 14:39:26 kanga kernel: ata0: resetting devices ..
Oct 10 14:39:26 kanga kernel: done
Oct 10 14:39:26 kanga kernel: ad0: TIMEOUT - READ_DMA retrying (1 retry left)
immediately followed by panics. I'd been using a build from 2003-09-19, but
rebuilt world from source from 2003-10-10. The problem still persists
unless I boot with 'hw.ata.ata_dma="0"' in /boot/loader.conf.local.
The IDE bus in question is:
atapci0: <VIA 82C596B UDMA66 controller> port 0xd800-0xd80f at device 4.1 on pci0
I understand that there may be a few bugs left in ATAng, and as a user of
-CURRENT, I'm OK with that. Is there anything I can do that would probably
let me run my system a bit faster than PIO4 will allow and still limit my
likelihood of getting bitten by the READ_DMA timeout panics?
--
Kirk Strauser
"94 outdated ports on the box,
94 outdated ports.
Portupgrade one, an hour 'til done,
82 outdated ports on the box."
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