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-   -   82801 ahci on iBase MB945 motherboard (https://www.linuxquestions.org/questions/linux-hardware-18/82801-ahci-on-ibase-mb945-motherboard-4175441209/)

dwilson1948 12-12-2012 05:10 PM

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...

H_TeXMeX_H 12-27-2012 01:27 PM

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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