Date: Wed, 21 Oct 2009 20:06:45 +0200 From: Gary Jennejohn <garyj@denx.de> To: Mike Watters <mike@mwatters.net> Cc: freebsd-current@freebsd.org Subject: Re: 8.0-RC1 amd64 - filesystem on scsi disk related memory corruption w/ gte 4GB ram Message-ID: <20091021200645.1a08e457@ernst.jennejohn.org> In-Reply-To: <4ADE4D19.3090907@mwatters.net> References: <4ADE4D19.3090907@mwatters.net>
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On Tue, 20 Oct 2009 16:51:53 -0700 Mike Watters <mike@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
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