8.0-RC1 amd64 - filesystem on scsi disk related memory corruption w/ gte 4GB ram

[Gary Jennejohn]

On Tue, 20 Oct 2009 16:51:53 -0700
Mike Watters <mike at mwatters.net> wrote:

> The SCSI card is an LSI20160 (sym(4), PCI U160).  The SCSI disk is a
> Seagate ST373455LW (U320).  The current motherboard is an ASUS M3A76-CM
> (AMI BIOS, AM2+ socket).  I have a boot -v dmesg (34kb) available from a
> livefs cd boot with 8GB installed and memory hole remapping turned on
> (case 4 result).  The source used to build the CD was cvsup'ed a week or
> two ago.
> 

I saw similar problems, I think it was some time last year, using an
Adaptec 160 (PCI) controller.

IIRC the problem was due to the fact that the card didn't support
> 32 bit DMA and there was no provision for bounce buffers in the driver.

I can't say whether moving to a PCIe controller would have solved the problem.

I ditched SCSI and moved to SATA.

---
Gary Jennejohn