On Thu, 2005-04-14 at 19:34 -0400, Lee Revell wrote:
> Here's the patch from that thread against 2.6.12-rc2. It also fixes an
> unrelated typo in nearby code. Obviously untested, as I don't have the
> hardware ;-)
>
> Summary: Enable write combining for server works LE rev > 6 per
>
On Thu, 2005-04-14 at 19:34 -0400, Lee Revell wrote:
Here's the patch from that thread against 2.6.12-rc2. It also fixes an
unrelated typo in nearby code. Obviously untested, as I don't have the
hardware ;-)
Summary: Enable write combining for server works LE rev 6 per
ts < rev 6 have problems with
write-combining
Don't allow it and leave room for other chipsets to be
tagged */
if (dev->vendor == PCI_VENDOR_ID_SERVERWORKS &&
dev->device == PCI_DEVICE_ID_SERVERWORKS_LE) {
-
LE chipset and
MTRR write-combining.
/usr/src/linux/arch/i386/kernel/cpu/mtrr/main.c will not allow
write-combining because of the potential for data corruption,
but according to the following old LKML post, this is only true for
certain old revisions of the motherboard:
http://www.ussg.iu.edu
LE chipset and
MTRR write-combining.
/usr/src/linux/arch/i386/kernel/cpu/mtrr/main.c will not allow
write-combining because of the potential for data corruption,
but according to the following old LKML post, this is only true for
certain old revisions of the motherboard:
http://www.ussg.iu.edu
with
write-combining
Don't allow it and leave room for other chipsets to be
tagged */
if (dev-vendor == PCI_VENDOR_ID_SERVERWORKS
dev-device == PCI_DEVICE_ID_SERVERWORKS_LE) {
- printk(KERN_INFO mtrr: Serverworks LE detected
age-
From: Dave Jones [mailto:[EMAIL PROTECTED]]
Sent: Sunday, April 29, 2001 8:06 PM
To: Steffen Persvold
Cc: lkml; [EMAIL PROTECTED]
Subject: Re: ServerWorks LE and MTRR
On Sun, 29 Apr 2001, Steffen Persvold wrote:
> ...
> Therefore please consider my small patch to allow the
> good one
Steffen Persvold <[EMAIL PROTECTED]> writes:
> [EMAIL PROTECTED] wrote:
> > On Sun, 29 Apr 2001, Steffen Persvold wrote:
> >
> > > I've learned it the hard way, I have two types : Compaq DL360 (rev 5) and a
> > > Tyan S2510 (rev 6). On the compaq machine I constantly get data corruption
> on
>
On Sun, 29 Apr 2001, Steffen Persvold wrote:
> [EMAIL PROTECTED] wrote:
> > On Sun, 29 Apr 2001, Steffen Persvold wrote:
> >
> > > I've learned it the hard way, I have two types : Compaq DL360 (rev 5) and a
> > > Tyan S2510 (rev 6). On the compaq machine I constantly get data corruption on
>
On Sun, 29 Apr 2001, Steffen Persvold wrote:
[EMAIL PROTECTED] wrote:
On Sun, 29 Apr 2001, Steffen Persvold wrote:
I've learned it the hard way, I have two types : Compaq DL360 (rev 5) and a
Tyan S2510 (rev 6). On the compaq machine I constantly get data corruption on
the last
Steffen Persvold [EMAIL PROTECTED] writes:
[EMAIL PROTECTED] wrote:
On Sun, 29 Apr 2001, Steffen Persvold wrote:
I've learned it the hard way, I have two types : Compaq DL360 (rev 5) and a
Tyan S2510 (rev 6). On the compaq machine I constantly get data corruption
on
the last
-
From: Dave Jones [mailto:[EMAIL PROTECTED]]
Sent: Sunday, April 29, 2001 8:06 PM
To: Steffen Persvold
Cc: lkml; [EMAIL PROTECTED]
Subject: Re: ServerWorks LE and MTRR
On Sun, 29 Apr 2001, Steffen Persvold wrote:
...
Therefore please consider my small patch to allow the
good ones to be able
On Sun, 29 Apr 2001, Steffen Persvold wrote:
> ...
> Therefore please consider my small patch to allow the
> good ones to be able to use write-combining. I have several rev 06 and they are
> working fine with this patch.
> ...
ObPedant:
Can you make a note of this in the comment a few lines
[EMAIL PROTECTED] wrote:
> On Sun, 29 Apr 2001, Steffen Persvold wrote:
>
> > I've learned it the hard way, I have two types : Compaq DL360 (rev 5) and a
> > Tyan S2510 (rev 6). On the compaq machine I constantly get data corruption on
> > the last double word (4 bytes) in a 64 byte PCI burst
Are you sure that is not due to board design differences?
Nick
On Sun, 29 Apr 2001, Steffen Persvold wrote:
> Gérard Roudier wrote:
> >
> > On Sun, 29 Apr 2001, Steffen Persvold wrote:
> >
> > > Hi all,
> > >
> > > I just compiled 2.4.4 and are running it on a Serverworks LE
Gérard Roudier wrote:
>
> On Sun, 29 Apr 2001, Steffen Persvold wrote:
>
> > Hi all,
> >
> > I just compiled 2.4.4 and are running it on a Serverworks LE motherboard.
> > Whenever I try to add a write-combining region, it gets rejected. I took a peek
> > in the arch/i386/kernel/mtrr.c and found
On Sun, 29 Apr 2001, Steffen Persvold wrote:
> Hi all,
>
> I just compiled 2.4.4 and are running it on a Serverworks LE motherboard.
> Whenever I try to add a write-combining region, it gets rejected. I took a peek
> in the arch/i386/kernel/mtrr.c and found that this is just as expected with
Hi all,
I just compiled 2.4.4 and are running it on a Serverworks LE motherboard.
Whenever I try to add a write-combining region, it gets rejected. I took a peek
in the arch/i386/kernel/mtrr.c and found that this is just as expected with
v1.40 of the code. It is great that the mtrr code checks
Hi all,
I just compiled 2.4.4 and are running it on a Serverworks LE motherboard.
Whenever I try to add a write-combining region, it gets rejected. I took a peek
in the arch/i386/kernel/mtrr.c and found that this is just as expected with
v1.40 of the code. It is great that the mtrr code checks
On Sun, 29 Apr 2001, Steffen Persvold wrote:
Hi all,
I just compiled 2.4.4 and are running it on a Serverworks LE motherboard.
Whenever I try to add a write-combining region, it gets rejected. I took a peek
in the arch/i386/kernel/mtrr.c and found that this is just as expected with
Gérard Roudier wrote:
On Sun, 29 Apr 2001, Steffen Persvold wrote:
Hi all,
I just compiled 2.4.4 and are running it on a Serverworks LE motherboard.
Whenever I try to add a write-combining region, it gets rejected. I took a peek
in the arch/i386/kernel/mtrr.c and found that this is
Are you sure that is not due to board design differences?
Nick
On Sun, 29 Apr 2001, Steffen Persvold wrote:
Gérard Roudier wrote:
On Sun, 29 Apr 2001, Steffen Persvold wrote:
Hi all,
I just compiled 2.4.4 and are running it on a Serverworks LE motherboard.
Whenever
[EMAIL PROTECTED] wrote:
On Sun, 29 Apr 2001, Steffen Persvold wrote:
I've learned it the hard way, I have two types : Compaq DL360 (rev 5) and a
Tyan S2510 (rev 6). On the compaq machine I constantly get data corruption on
the last double word (4 bytes) in a 64 byte PCI burst when I use
On Sun, 29 Apr 2001, Steffen Persvold wrote:
...
Therefore please consider my small patch to allow the
good ones to be able to use write-combining. I have several rev 06 and they are
working fine with this patch.
...
ObPedant:
Can you make a note of this in the comment a few lines above
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