Robert Hancock wrote:
Jeff Garzik wrote:
Robert Hancock wrote:
This fixes some problems with ATAPI devices on nForce4 controllers in
ADMA mode
on systems with memory located above 4GB. We need to delay setting
the 64-bit
DMA mask until the PRD table and padding buffer are allocated so that
Jeff Garzik wrote:
Robert Hancock wrote:
This fixes some problems with ATAPI devices on nForce4 controllers in
ADMA mode
on systems with memory located above 4GB. We need to delay setting the
64-bit
DMA mask until the PRD table and padding buffer are allocated so that
they don't
get
Robert Hancock wrote:
This fixes some problems with ATAPI devices on nForce4 controllers in ADMA mode
on systems with memory located above 4GB. We need to delay setting the 64-bit
DMA mask until the PRD table and padding buffer are allocated so that they don't
get allocated above 4GB and break
Jeff Garzik wrote:
Robert Hancock wrote:
This fixes some problems with ATAPI devices on nForce4 controllers in
ADMA mode
on systems with memory located above 4GB. We need to delay setting the
64-bit
DMA mask until the PRD table and padding buffer are allocated so that
they don't
get
Robert Hancock wrote:
This fixes some problems with ATAPI devices on nForce4 controllers in ADMA mode
on systems with memory located above 4GB. We need to delay setting the 64-bit
DMA mask until the PRD table and padding buffer are allocated so that they don't
get allocated above 4GB and break
Mark Lord wrote:
Morrison, Tom wrote:
I am hopeful that the sata_mv has this bug (I proved that the
problem I was experiencing was due to the sata_mv driver with 3.75Gig
or more of memory)...
I am on vacation for a week or more ...or I'd tell you today
if it did have this bug!
..
Yeah, I
Jeff Garzik wrote:
Robert Hancock wrote:
Based on a quick look at sata_mv it appears it sets a 64-bit DMA mask
unconditionally, but for non-ATA_PROT_DMA commands (which includes all
ATAPI), it just falls back to ata_qc_issue_prot which issues via the
legacy SFF interface and can only handle
Robert Hancock wrote:
This fixes some problems with ATAPI devices on nForce4 controllers in ADMA
mode
on systems with memory located above 4GB. We need to delay setting the 64-bit
DMA mask until the PRD table and padding buffer are allocated so that they
don't
get allocated above 4GB and
Robert Hancock wrote:
Based on a quick look at sata_mv it appears it sets a 64-bit DMA mask
unconditionally, but for non-ATA_PROT_DMA commands (which includes all
ATAPI), it just falls back to ata_qc_issue_prot which issues via the
legacy SFF interface and can only handle 32-bit addressing. So
Morrison, Tom wrote:
I am hopeful that the sata_mv has this bug (I proved that the
problem I was experiencing was due to the sata_mv driver
with 3.75Gig or more of memory)...
I am on vacation for a week or more ...or I'd tell you today
if it did have this bug!
..
Yeah, I kind of had your
Jeff Garzik wrote:
Robert Hancock wrote:
Based on a quick look at sata_mv it appears it sets a 64-bit DMA mask
unconditionally, but for non-ATA_PROT_DMA commands (which includes all
ATAPI), it just falls back to ata_qc_issue_prot which issues via the
legacy SFF interface and can only handle
PROTECTED] on behalf of Mark Lord
Sent: Fri 11/23/2007 10:22 AM
To: Robert Hancock
Cc: linux-kernel; ide; Jeff Garzik; Tejun Heo
Subject: Re: [PATCH] sata_nv: fix ADMA ATAPI issues with memory over 4GB (v3)
Robert Hancock wrote:
This fixes some problems with ATAPI devices on nForce4 controllers in ADMA
: Fri 11/23/2007 12:46 PM
To: Morrison, Tom
Cc: Robert Hancock; linux-kernel; ide; Jeff Garzik; Tejun Heo
Subject: Re: [PATCH] sata_nv: fix ADMA ATAPI issues with memory over 4GB (v3)
Morrison, Tom wrote:
I am hopeful that the sata_mv has this bug (I proved that the
problem I was experiencing
Mark wrote:
Yeah, I kind of had your reports in mind when I asked that. :)
On a related note, I now have lots of Marvell (sata_mv) hardware here,
and an Intel CPU/chipset box with physical RAM above the 4GB boundary.
Morrison, Tom wrote:
Yes, I believe that - otherwise, this problem would
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