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Date:      Wed, 31 Oct 2007 23:22:26 -0400
From:      Anish Mistry <mistry.7@osu.edu>
To:        freebsd-current@freebsd.org
Subject:   Unstopable ata1: FAILURE - non aligned DMA transfer attempted loop
Message-ID:  <200710312322.33301.mistry.7@osu.edu>

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When trying to access a bad DVD I get the following messages that loop=20
forever until I reboot the machine.  The drive is unresponsive so=20
that's the only way to remove the disc.  Any ideas?

http://am-productions.biz/debug/pciconf.txt

Running a recent -CURRENT.  I'm also getting this same issue on=20
RELENG_7 on a different machine.

Oct 31 12:01:29 littleguy kernel: ata1: FAILURE - non aligned DMA=20
transfer attempted
Oct 31 12:01:29 littleguy kernel: acd0: setting up DMA failed
Oct 31 12:01:29 littleguy kernel: ata1: FAILURE - non aligned DMA=20
transfer attempted
Oct 31 12:01:29 littleguy kernel: acd0: setting up DMA failed
Oct 31 12:01:29 littleguy kernel: ata1: FAILURE - non aligned DMA=20
transfer attempted
Oct 31 12:01:29 littleguy kernel: acd0: setting up DMA failed
Oct 31 12:01:29 littleguy kernel: ata1: FAILURE - non aligned DMA=20
transfer attempted
Oct 31 12:01:29 littleguy kernel: acd0: setting up DMA failed
Oct 31 12:01:29 littleguy kernel: ata1: FAILURE - non aligned DMA=20
transfer attempted
Oct 31 12:01:29 littleguy kernel: acd0: setting up DMA failed
Oct 31 12:01:29 littleguy kernel: ata1: FAILURE - non aligned DMA=20
transfer attempted
Oct 31 12:01:29 littleguy kernel: acd0: setting up DMA failed
Oct 31 12:01:29 littleguy kernel: ata1: FAILURE - non aligned DMA=20
transfer attempted
Oct 31 12:01:29 littleguy kernel: acd0: setting up DMA failed
Oct 31 12:01:29 littleguy kernel: ata1: FAILURE - non aligned DMA=20
transfer attempted
Oct 31 12:01:29 littleguy kernel: acd0: setting up DMA failed

=2D-=20
Anish Mistry

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