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Date:      Fri, 27 Jan 2006 20:14:53 +0200
From:      Pertti Kosunen <pertti.kosunen@pp.nic.fi>
To:        stable@freebsd.org
Subject:   SETFEATURES SET TRANSFER MODE semaphore timeout !! DANGER Will Robinson !!
Message-ID:  <43DA631D.2010406@pp.nic.fi>

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Some change between Sun Nov 13 14:58:40 EET 2005 and Wed Jan 25 17:21:02 
EET 2006 causes this message on boot:

Jan 27 14:59:46 xx kernel: ad0: req=0xc306baf0 SETFEATURES SET TRANSFER 
MODE semaphore timeout !! DANGER Will Robinson !!
Jan 27 14:59:47 xx kernel: ad0: TIMEOUT - READ_DMA retrying (1 retry 
left) LBA=66763511

I have dma disabled on boot and /etc/rc.local enables it. Everything 
seem to be ok though, no problems with ad0 in DMA66.

FreeBSD 6.0-STABLE (RELENG_6)

atapci0@pci0:4:0:       class=0x0101fa card=0x80531043 chip=0x522910b9 
rev=0xc4 hdr=0x00
     vendor   = 'Acer Labs Incorporated (ALi)'
     device   = 'M1543 Southbridge EIDE Controller'
     class    = mass storage
     subclass = ATA

ATA channel 0:
     Master:  ad0 <Maxtor 2F040L0/VAM51JJ0> ATA/ATAPI revision 7
     Slave:       no device present



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