Julien Cigar wrote:
Same problems for me with atapi CD/DVD drives (READ_BIG timeouts,
etc) .. it works a bit better when dma is turned off, but then
performances are very poor.

On Thu, 2008-08-07 at 14:17 -1000, Al Plant wrote:
N.J. Thomas wrote:
* "Snorre D. ?verb?" <[EMAIL PROTECTED]> [2008-08-07 15:29:11+0000]:
When I boot up with the installation DVD these error messages appear
on the screen.

ad1: FAILURE - READ_DMA status=51<READY,DSC,ERROR> error=84<ICRC,ABORTED> 
LBA=0055347
ad0: FAILURE - READ_DMA status=51<READY,DSC,ERROR> error=84<ICRC,ABORTED> LBA=0
etc
I got the same exact errors trying to install 7.0-RELEASE on two
different Dell boxes. One was 4 years old, the other was brand new (3
months ago).

Never was able to fix the problem. For the older one, I plugged in an
external DVD drive and installed via that. For the other one, I
installed via a mini-install disk, and then did a minimal network
install.

For the record, they both had SATA drives and the disks worked (and
still work) fine after the OS was installed. It was just copying the
base system off the CD that was causing errors.

Thomas
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  Aloha,

I am getting the same errors as you guys with an intermittient BIG_read one occasionally. I've tried to install FreeeBSD CURRENT 8 and 7 release.

This is on a no name box with a bio board and 1100 cpu. I've had this on other boxes too and load IDE drives on a box that works with them and then put them in the box with errors and they work just fine.

Every thing gets recognized normally at install time, but the size of the IDE drive a Fujutsu 20 gig. shows twice what it should be every time.

Dont know if this has anything to do with it, except if you change the size in installer it wont load anything.

Maybe one of the top level gurus on the list can help.



Aloha,

The suggestion to put the folloeing worked to clear my DMA error.

In: /boot/loader
Put: hw.ata.ata_dma=0 #disable IDE DMA

This allowed an uninterrupted boot.

Thanks for the suggestion.

~Al Plant - Honolulu, Hawaii -  Phone:  808-284-2740
  + http://hawaiidakine.com + http://freebsdinfo.org +
  + http://aloha50.net   - Supporting - FreeBSD 6.* - 7.* - 8.* +
  < email: [EMAIL PROTECTED] >
"All that's really worth doing is what we do for others."- Lewis Carrol

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