On Saturday 19 December 2009 07:26:10 Larry Finger wrote:
Michael,
As you may recall, I dumped writes to the PCI config space for both
b43 and the wl driver. I found that wl wrote to address 0x40. In
looking around other drivers, I found the following fragment in ipw2100:
/* We
On 12/19/2009 04:11 AM, Michael Buesch wrote:
Well, if 0x40 is used as RETRY_TIMEOUT in ipw, that doesn't
mean it's the same in b43. Is the 0x40 register standardized in any way?
According to the Wikipedia article on PCI configuration space
registers, only up to 0x3F is standardized. There
On 12/19/2009 04:11 AM, Michael Buesch wrote:
And if you do a patch, don't put it into ssb. Put it into b43.
One further question about putting the patch into b43. Apparently,
register 0x40 is not preserved across a suspend/resume to disk. In all
the drivers that use this code, 0x40 is
Hi,
If possible, please test this patch starting from a cold boot. It is a
variation of something we tried earlier, but enough different to try it.
Thanks,
Larry
In exploring the cause of DMA errors for BCM4312 devices on Atom
processors, other drivers that work write to PCI configuration
On Saturday 19 December 2009 17:11:30 Larry Finger wrote:
On 12/19/2009 04:11 AM, Michael Buesch wrote:
And if you do a patch, don't put it into ssb. Put it into b43.
One further question about putting the patch into b43. Apparently,
register 0x40 is not preserved across a suspend/resume
On Sat, 19 Dec 2009 10:43:29 -0600
Larry Finger larry.fin...@lwfinger.net wrote:
Hi,
If possible, please test this patch starting from a cold boot. It is a
variation of something we tried earlier, but enough different to try
it.
Thanks,
Larry
I applied this to 2.6.32.2 and it didn't
On 19/12/09 19:55, Chris Vine wrote:
On Sat, 19 Dec 2009 10:43:29 -0600
Larry Fingerlarry.fin...@lwfinger.net wrote:
Hi,
If possible, please test this patch starting from a cold boot. It is a
variation of something we tried earlier, but enough different to try
it.
Thanks,
Larry
I
On 12/19/2009 05:11 PM, Andrew Benton wrote:
On 19/12/09 19:55, Chris Vine wrote:
I applied this to 2.6.32.2 and it didn't help with the DMA errors I am
afraid.
Chris
Same here, the patch didn't prevent the DMA errors, however, I did
notice that it only reported the error once, it
Larry Finger wrote:
Hi,
If possible, please test this patch starting from a cold boot. It is a
variation of something we tried earlier, but enough different to try it.
Thanks,
Larry
A little late but I just tested and I have the same bug.
However, unlike Andrew, the error keep
On 12/19/2009 10:15 PM, William Bourque wrote:
Larry Finger wrote:
Hi,
If possible, please test this patch starting from a cold boot. It is a
variation of something we tried earlier, but enough different to try it.
Thanks,
Larry
A little late but I just tested and I have the same
In exploring the cause of DMA errors for BCM4312 devices on Atom
processors, other drivers that work write to PCI configuration
register 0x40. The code fragment below was found in the open-code
portion of the Broadcom hybrid wl driver. It is also used in the
ipw2100 and ath9k drivers. In the
On Sat, Dec 19, 2009 at 9:01 PM, Larry Finger larry.fin...@lwfinger.net wrote:
In exploring the cause of DMA errors for BCM4312 devices on Atom
processors, other drivers that work write to PCI configuration
register 0x40. The code fragment below was found in the open-code
portion of the
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