Messages in this thread | | | From | devnull@spaans ... | Date | Thu, 11 Jan 2001 23:19:24 -0500 | Subject | Re: IDE DMA problems on 2.4.0 with vt82c686a driver |
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Alan Cox wrote:
>> us who have via chipset motherboards, suggesting that it is limited >> to that chipset, that chipset is ubiquitous, or via chipset >> motherboard owners are generally the complaining type. no idea which >> applies there, either. > > > Or there are a lot of them. 90% of scsi bug reports I get are adaptec 29xx > driver. Thats not because the adaptec 29xx is the most sucky driver 8) > > Firstly there are numerous reasons for CRC errors. At ATA100 even the track > length and the capacitance of the connectors becomes an issue. It is quite > possibly a driver issue. It could even be that specific combination of drives > and ide controller is right on the edge of the spec limits and just slightly > dipping over. It might be the odd power spike. > > Providing the code is working sanely the odd CRC error shouldnt be a > problem and should be causing a command retry. The CRC checking used in ATA > is very robust so unlike scsi parity errors which couldnt be ignored ATA > ones on occassion are probably fine > > ATA100 is another testimony to the fact that pigs can be made to fly given > sufficient thrust (to borrow an RFC) > > Alan
I acquired a VIA Mobo (ASUS CUV4X) for home and it is workin pretty damn spiffy with Linux - Even better with 2.4.0 with regards to IDE!!! Once a month I boot WinDOS to play a game I can't play in Linux, THEN my troubles begin!!! parport_pc: Via 686A parallel port: io=0x378, irq=7, dma=3 VP_IDE: VIA vt82c686a IDE UDMA66 controller on pci0:4.1 etc... etc... etc... yadda yadda yadda ....
Alan, My father repaired F-4 Phantoms in Vietnam. He said the F-4 Phantom was proof that if you put enough power behind a brick, it would fly!!! Your comment remonded me of that - just had to share :-)
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