2010/11/22 Larry Finger <Larry.Finger@xxxxxxxxxxxx>: > On 11/22/2010 12:53 PM, Michael BÃsch wrote: >> On Mon, 2010-11-22 at 12:41 -0600, Larry Finger wrote: >>> Under heavy load with multiple streams, I'm getting errors from my BCM4312 >>> (14e4:4315) device as follows: >>> >>> b43-phy0 debug: TX-status contains invalid cookie: 0x0D4D >>> b43-phy0 debug: Out of order TX status report on DMA ring 1. Expected 74, but got 76 >>> b43-phy0 debug: Out of order TX status report on DMA ring 1. Expected 74, but got 78 >>> (and continues). >>> >>> Clearly that cookie is garbage as it has a slot number of 0. Any suggestions on >>> diagnostic information that I could dump to help debug this? >> >> I think that probably is a firmware or hardware bug. The affected >> kernel code was not changed in years, as far as I know. > > Thanks. I'll see if I can figure out a way for the driver to recover more > gracefully. In the meantime, I will be dumping the entire TX status struct to > see if that helps in seeing what is wrong. Larry, did you try debugging this? Juan noticed this issue on his 14e4:4315 as well. [ 854.826369] b43-phy0 debug: Out of order TX status report on DMA ring 1. Expected 74, but got 54 [ 854.827348] b43-phy0 debug: Out of order TX status report on DMA ring 1. Expected 74, but got 56 [ 854.828080] b43-phy0 debug: Out of order TX status report on DMA ring 1. Expected 74, but got 58 [ 854.831431] b43-phy0 debug: Out of order TX status report on DMA ring 1. Expected 74, but got 60 [ 854.831453] b43-phy0 debug: Out of order TX status report on DMA ring 1. Expected 74, but got 62 [ 854.832440] b43-phy0 debug: Out of order TX status report on DMA ring 1. Expected 74, but got 64 [ 854.833836] b43-phy0 debug: Out of order TX status report on DMA ring 1. Expected 74, but got 66 [ 854.834567] b43-phy0 debug: Out of order TX status report on DMA ring 1. Expected 74, but got 68 [ 854.834588] b43-phy0 debug: Out of order TX status report on DMA ring 1. Expected 74, but got 70 [ 854.835378] b43-phy0 debug: Out of order TX status report on DMA ring 1. Expected 74, but got 72 Connection is lost, reloading of the driver is needer. -- RafaÅ -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
