Dumping PCI read/writes

Larry Finger Larry.Finger at lwfinger.net
Tue Apr 26 11:36:33 EDT 2011

On 04/26/2011 04:23 AM, Rafał Miłecki wrote:
> W dniu 25 kwietnia 2011 20:38 użytkownik Rafał Miłecki
> <zajec5 at gmail.com>  napisał:
>> W dniu 25 kwietnia 2011 20:35 użytkownik Larry Finger
>> <Larry.Finger at lwfinger.net>  napisał:
>>> On 04/25/2011 01:13 PM, Rafał Miłecki wrote:
>>>> I've made b43 and wl dumps almost identical on Juan's HP machine. I
>>>> still get DMA errors.
>>>> Does anyone still have patch to enable dumping PCI operations?
>>> The attached patch will log the reads and writes to the PCI config
>>> registers. Is it the one you wanted?
>> Thanks.
> If we assume that:
> 1) Problem with b43 and DMA is pci config related
> 2) Config writes done by wl can be noted by reading
> Does it make sense to dump PCI config with "lspci -x" or "-xxx" for
> cold boot vs. loaded&unloaded wl?

I don't know if it will show anything, but it is an easy test.


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