> This is a uniprocessor AMD64 system running software RAID-5 and RAID-10 > over multiple PCIe SiI3132 SATA controllers. The hardware has been very > stable for a long time, but has been acting up of late since I upgraded > to 2.6.20.3. ECC memory should preclude the possibility of bit-flip > errors. Tried checking the memory with memtest86? Do you have k8_edac module loaded? If you don't, I'd recomend using it to get reports of recoverable/unrecoverable memory errors, check http://bluesmoke.sf.net/ for latest version. -- Aristeu - 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