On Fri, Jun 13, 2008 at 03:35:23PM +0800, Zhu Yi wrote: > On Thu, 2008-06-12 at 09:59 -0400, John W. Linville wrote: > > How does the hardware scan differ from what mac80211 does when > > scanning? > > Software scan disables Tx during the scan process while hardware scan > doesn't. So you are expected to see continous ping responds instead of a > freeze during the scan period. Hardware scan is also more efficient > since it is handled by the firmware. > > > I still see a lot of mysterious iwlwifi (especially iwl3945) > > problems in Fedora that seem to disappear with disable_hw_scan=1. > > I don't see this problem from my side. I'll do more testing for 3945. FWIW, I don't have a reproducing environment that requires disable_hw_scan either. But I could probably dig-out several Fedora bug reports that claim to need it. > > Honestly I'm tempted to change it to "enable_hw_scan" instead... > > Give the advantages, I'd like to use it if we can fix the bug (I haven't > seen what the bug is myself). But you are free to change the default > value until it is fixed. There is no such problem for 4965, right? AFAICT only the 3945 seems to need it. John -- John W. Linville linville@xxxxxxxxxxxxx -- 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