svn commit: r199670 - head/sys/dev/bge

[Maxim Sobolev]

Joerg Sonnenberger wrote:
> On Sun, Nov 22, 2009 at 08:50:27PM +0000, Pyun YongHyeon wrote:
>> Log:
>>   Fix two long standing bugs on bge(4). Most pre BCM5755 controllers
>>   have a DMA bug when buffer address crosses a multiple of the 4GB
>>   boundary(e.g. 4GB, 8GB, 12GB etc).
> 
> Does this only affect transfers that *cross* a 4GB boundary or does it
> also affect transfers that *end* at a 4GB boundary? E.g. if the mbuf
> cluster starts at 0xffffff00 with size 0x100 -- will the DMA engine
> stall happen or not?

What about bce(4) driver? Could it be affected too? We've seen some 
periodic lookups with the bce machine under the load (7.2-release, 
5708C). Installing the add-on intel pro-based card into the same machine 
resolved the issue for us.

-Maxim