Messages in this thread | | | Date | Thu, 9 Aug 2007 15:53:24 +0100 | From | Alan Cox <> | Subject | Re: DMA CRC errors with SiS chipset and notebook drive |
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> Aug 9 07:41:29 monet kernel: ata1.00: limiting speed to UDMA/66:PIO4 > Aug 9 07:41:29 monet kernel: ata1.00: exception Emask 0x0 SAct 0x0 SErr > 0x0 action 0x2 > Aug 9 07:41:29 monet kernel: ata1.00: (BMDMA stat 0x64) > Aug 9 07:41:29 monet kernel: ata1.00: cmd > c8/00:08:fb:7c:a1/00:00:00:00:00/e0 tag 0 cdb 0x12 data 4096 in > Aug 9 07:41:29 monet kernel: res > 51/84:00:00:00:00/00:00:00:00:00/e0 Emask 0x10 (ATA bus error) > Aug 9 07:41:29 monet kernel: ata1: soft resetting port > Aug 9 07:41:29 monet kernel: ata1.00: configured for UDMA/66 > Aug 9 07:41:29 monet kernel: ata1.01: configured for UDMA/33 > Aug 9 07:41:29 monet kernel: ata1: EH complete
Drops to UDMA33 for 40 wire cable.
Looks to me like your cabling is out of spec or you have electrical noise problems.
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