2011/5/4 Seth Forshee <seth.forshee@xxxxxxxxxxxxx>: > On Wed, May 04, 2011 at 01:27:17PM -0400, John W. Linville wrote: >> On Wed, May 04, 2011 at 10:38:19AM -0500, Seth Forshee wrote: >> > I've been investigating some reports of a regression in associating with >> > APs with AR2413 in 2.6.38. Association repeatedly fails with some >> > "direct probe to x timed out" messages (see syslog excerpt below), >> > although it will generally associate eventually, after many tries. >> > >> > Bisection identifies 8aec7af (ath5k: Support synth-only channel change >> > for AR2413/AR5413) as offending commit. Prior to this commit there are >> > no direct probe messages at all in the logs. I've also found that >> > forcing fast to false at the top of ath5k_hw_reset() fixes the issue. >> > I'm not sure what the connection is between this commit and the >> > timeouts. Any suggestions? >> >> Have you tried reverting that commit on top of 2.6.38? ÂCan you >> recreate the issue with 2.6.39-rc6 (or later)? > > I started to revert that commit, but it wasn't straight-forward due to > later changes. Forcing fast to false in ath5k_hw_reset() acts as a > functional revert of sorts since that should force it back to a full > reset for all channel changes, and it's much simpler than working out > the right way to revert the commit. I think the results suggest strongly > that a revert is likely to fix the problem. I can finish the work to > revert if you'd still like to see the results. > > Testing a previous .39-rc kernel still exhibited the failure. I don't > recall which one it was and apparently forgot to make note of it. I'll > request testing against rc6. > > Thanks, > Seth > Do you get scan results ? Can you enable ATH5K_DEBUG_RESET and see what you get ? -- GPG ID: 0xD21DB2DB As you read this post global entropy rises. Have Fun ;-) Nick -- 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
