Date: Sun, 22 Mar 2009 14:06:38 -0400 From: Justin Hibbits <jrh29@alumni.cwru.edu> To: freebsd-ppc@freebsd.org Subject: Apple ATA DMA problems with ATAPI Message-ID: <20090322180638.GA3708@narn.knownspace>
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Well, it seems I was bitten by the ATA DMA problems from a few months back. When trying to mount a DVD, I got the folling messages: Mar 22 13:34:29 narn kernel: acd0: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly Mar 22 13:34:29 narn kernel: acd0: TIMEOUT - READ_BIG retrying (1 retry left) Mar 22 13:35:19 narn kernel: acd0: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly Mar 22 13:35:19 narn kernel: acd0: TIMEOUT - READ_BIG retrying (0 retries left) Mar 22 13:36:09 narn kernel: acd0: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly Mar 22 13:36:09 narn kernel: acd0: FAILURE - READ_BIG timed out Mar 22 13:36:59 narn kernel: acd0: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly Mar 22 13:36:59 narn kernel: acd0: TIMEOUT - READ_BIG retrying (1 retry left) Mar 22 13:37:49 narn kernel: acd0: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly Mar 22 13:37:49 narn kernel: acd0: TIMEOUT - READ_BIG retrying (0 retries left) Mar 22 13:38:39 narn kernel: acd0: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly Mar 22 13:38:39 narn kernel: acd0: FAILURE - READ_BIG timed out Mar 22 13:39:30 narn kernel: acd0: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly Mar 22 13:39:30 narn kernel: acd0: TIMEOUT - READ_BIG retrying (1 retry left) Mar 22 13:39:44 narn kernel: acd0: WARNING - TEST_UNIT_READY taskqueue timeout - completing request directly Mar 22 13:39:44 narn kernel: acd0: FAILURE - TEST_UNIT_READY timed out Mar 22 13:39:55 narn kernel: acd0: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly Mar 22 13:41:44 narn kernel: acd0: WARNING - PREVENT_ALLOW taskqueue timeout - completing request directly Mar 22 13:42:04 narn kernel: acd0: WARNING - TEST_UNIT_READY taskqueue timeout - completing request directly Using -CURRENT powerpc trunk from a couple weeks ago: r189096:189865M (multi-version because of network problems, shouldn't affect ATA). Hardware is MDD single 1.25GHz (2003), chipset info from dmesg: ata1: <Apple MacIO ATA Controller> mem 0x20000-0x20fff,0x8b00-0x8bff irq 20,12 on macio0 acd0: DVDR <HL-DT-ST RW/DVD GCC-4480B/1.03> at ata1-master WDMA2 - Justin
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