Well it is really unfortunate that hard disks don't need a reason to die. Maybe you are right. Are you using a 40 conductor or a 80 conductor cable? You can also try disabling DMA by setting the values displayed by sysctl -a | grep dma to 0 in /boot/loader.conf
Regards S. On Fri, 27 Aug 2004 18:47:13 -0400, Louis LeBlanc <[EMAIL PROTECTED]> wrote: > I doubt this is the problem. The disk is only a couple months old and > hasn't seen any abuse so far. > > It is also unlikely to be "goofy data cables" as suggested by another > poster. The cable is no older than the drive, and no more abused. > > Thanks all the same. > Lou > > On 08/27/04 06:18 PM, Sopov Alexey sat at the `puter and typed: > > Backup your data imediatly! > > I think your ad4 dies... > > > > > > > > LL> Hey all. I'm seeing some things I'm not comfortable with in the > > LL> security output from one of my systems - a new Dell Dimension 8300. > > > > LL> This is what I'm seeing: > > > > LL> key2.keyslapper.org kernel log messages: > > >> ad4: TIMEOUT - WRITE_DMA retrying (2 retries left) LBA=31672255 > > >> ad4: TIMEOUT - WRITE_DMA retrying (2 retries left) LBA=31672383 > > > > LL> The ad4 timeouts have happened before. They usually coincide with a > > LL> moderate to large port build. If I'm building some huge package like > > LL> OpenOffice or xorg when this happens, the whole system hangs. No > > LL> mouse, keyboard, nothing. Last time I just left it to see if things > > LL> resolved, and next morning I found it freshly rebooted. (I did > > LL> eventually get both OpenOffice and xorg built though) > > > > LL> Ad4 is a 160G hard drive with the following partitioning: > > LL> $ df -k > > LL> Filesystem 1K-blocks Used Avail Capacity Mounted on > > LL> /dev/ad4s1a 1012974 57462 874476 6% / > > LL> devfs 1 1 0 100% /dev > > LL> /dev/ad4s1h 57896520 4 53264796 0% /export > > LL> /dev/ad4s1g 60931274 2371112 53685662 4% /home > > LL> /dev/ad4s1e 1012974 7882 924056 1% /tmp > > LL> /dev/ad4s1f 20308398 4000050 14683678 21% /usr > > LL> /dev/ad4s1d 8122126 85068 7387288 1% /var > > > > LL> fdisk output is: > > LL> # fdisk > > LL> ******* Working on device /dev/ad4 ******* > > LL> parameters extracted from in-core disklabel are: > > LL> cylinders=310019 heads=16 sectors/track=63 (1008 blks/cyl) > > > > LL> Figures below won't work with BIOS for partitions not in cyl 1 > > LL> parameters to be used for BIOS calculations are: > > LL> cylinders=310019 heads=16 sectors/track=63 (1008 blks/cyl) > > > > LL> Media sector size is 512 > > LL> Warning: BIOS sector numbering starts with sector 1 > > LL> Information from DOS bootblock is: > > LL> The data for partition 1 is: > > LL> sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD) > > LL> start 63, size 312496317 (152586 Meg), flag 80 (active) > > LL> beg: cyl 0/ head 1/ sector 1; > > LL> end: cyl 1023/ head 254/ sector 63 > > LL> The data for partition 2 is: > > LL> <UNUSED> > > LL> The data for partition 3 is: > > LL> <UNUSED> > > LL> The data for partition 4 is: > > LL> <UNUSED> > > > > > > LL> Any other info that would help, please let me know, but I'd like to > > LL> know what the cause could be and how to fix it. > > > > LL> TIA > > LL> Lou > > > > > > > > -- > > [ /Iexa ] mailto:[EMAIL PROTECTED] > > > > _______________________________________________ > > [EMAIL PROTECTED] mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > > To unsubscribe, send any mail to "[EMAIL PROTECTED]" > > > > > > -- > Louis LeBlanc [EMAIL PROTECTED] > Fully Funded Hobbyist, KeySlapper Extrordinaire :) > http://www.keyslapper.org ԿԬ > > I object to intellect without discipline; I object to power without > constructive purpose. > -- Spock, "The Squire of Gothos", stardate 2124.5 > _______________________________________________ > [EMAIL PROTECTED] mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "[EMAIL PROTECTED]" > -- Subhro Sankha Kar School of Information Technology Block AQ-13/1 Sector V ZIP 700091 India _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"