On Thu, 13 Jan 2011, Tsuyoshi Nagata wrote: > To: CentOS mailing list <centos at centos.org> > From: Tsuyoshi Nagata <nagata3333333 at jp.fujitsu.com> > Subject: Re: [CentOS] Kernel Errors Present > > Hi Keith > (2011/01/13 6:39), Keith Roberts wrote: >> hde: dma_intr: error=0x84 { DriveStat ...: 12 Time(s) >> hde: dma_intr: status=0x51 { DriveReady SeekComplete > The first error is data transmitting error. Your HARD DRIVE have > a data transmitting error or malfunction on transmitting path without > disk. > (The trouble is on memory, chip set, IDE-cable, HDD-Circuit(DMA). HDD > dish is OK.) > DMA I/O was designed with 2 separated unit (control-unit and data-unit) > The trouble is on control-unit part. > > Vivard/smartctl only explains your data-unit is OK. > >> > dma_intr: error=0x84 { DriveStatusError BadCRC } >> > http://www.mail-archive.com/debian-user@lists.debian.org/msg128610.html Thanks for all that information Tsuyoshi. I have turned off dma for this drive with: [root at karsites hde]# hdparm -d0 /dev/hde /dev/hde: setting using_dma to 0 (off) using_dma = 0 (off) [root at karsites hde]# hdparm -d /dev/hde /dev/hde: using_dma = 0 (off) I'll watch and see how things go now. Kind Regards, Keith ----------------------------------------------------------------- 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] -----------------------------------------------------------------