On Wed, 12 Jan 2011, John R Pierce wrote: > > To: centos at centos.org > From: John R Pierce <pierce at hogranch.com> > Subject: Re: [CentOS] Kernel Errors Present... > > >> In the BIOS I turn DMA off for /dev/hda and /dev/hdc, >> but they still show up in /proc/ide/.../settings as >> using_dma 1. > > > say HUH? IDE PIO modes are like 3-7 MBytes/sec and require 100% CPU > utilization during the transfer phase. why in dogs name would you be > doing this in 2011 ? ...snip... > January 12, 2011 06:26PM > Use the modern, 80 wire cables, and trust the technology - > it's come a long way. Thanks for all the replies concerning this. I have bought an off-the-shelf 24" round ATA 133 IDE cable, and installed that in place of the 40-wire cable. The problem now appears to be fixed. Been keeping an eye on my logwatch emails, and they are no longer reporting this problem. Kind Regards, Keith Roberts ----------------------------------------------------------------- Websites: http://www.karsites.net http://www.php-debuggers.net http://www.raised-from-the-dead.org.uk All email addresses are challenge-response protected with TMDA [http://tmda.net] -----------------------------------------------------------------