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Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?


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Old 12-12-2012, 05:10 PM   #1
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82801 ahci on iBase MB945 motherboard

I have been running CentOS5 on this motherboard and it was running just fine with kernel 2.6.18-128.7.1 , however when I tried to update to any kernel newer than that the ahci driver blows off with a failure to reset. I have put printks in the driver and it appears that it is not reading/writing correctly to the control ports. When it reads to see how many "sata ports" are supported it comes back garbage. It should read 0x3f ( for 6 ports ) but it reads 0xce2905eb. This makes me wonder if the control memory has been correctly mapped. I'm in over my head here...
Old 12-27-2012, 01:27 PM   #2
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If ahci is causing problems maybe try disabling it in the BIOS and using the sata drivers instead. Make sure you have the SATA drivers you need built-in to the kernel or you won't be able to boot.


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