Hello, Marc Zuckman wrote: > I recently compiled gentoo-sources-2.6.23-r3 and subsequently vanilla > 2.6.23.12 , but could not get hdparm v 7.7 (or earlier) to set my it8212f > controlled raid array to use dma. > > From past experience, I have learned that my raid 1 array (using the it8212f > raid controller present on my Gigabyte motherboard ) will not function > properly unless it is set to use dma with hdparm. As a result, I execute > hdparm -d1 /dev/hde in both the Gentoo boot and ordinary run levels. The > system has worked fine with multiple 2.6.x kernels. The last kernel that I > have successfully used is 2.6.20-gentoo-r7 (gentoo-sources). hdparm -d1 isn't supported (yet). pata_it821x will configure DMA automatically. > I have checked linux kernel archives several times and have posted this > problem on gentoo forums, but have not been able to find similar reports. > > Perhaps related, but I doubt it, are boot messages that I initially received > about disabling speeds > udma 33 due to failure to detect proper cabling on > the host side of several ide interfaces (more details unfortunately vague). > My cabling is definitely proper. I haven't noted the cabling messages with > recent boot attempts with the problem kernels and I think (not 100% sure) > they were abolished by using the "OBSOLETE" lilo boot loader append > commands "ide0=ata66, ide2=ata66" Can you post full boot log? -- tejun - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
