Hi Chris On Tue, Jul 28, 2009 at 12:03, Chris Clayton<chris2553@xxxxxxxxxxxxxx> wrote: > Hi everyone, > > 2009/7/27 Johannes Berg <johannes@xxxxxxxxxxxxxxxx>: >> On Mon, 2009-07-27 at 21:22 +0100, Chris Clayton wrote: >> >>> Yes, I remove the card once the laptop has frozen, because doing so "thaws" it again. The laptop is >>> then usable until 2-5 minutes after I insert the card again, when it will freeze again. I can >>> repeat this cycle over and over. >> > > Inspired by the fact that Pavel doesn't get the freeze, I've just > cloned and tested the latest and greatest wireless-testing tree and, > unfortunately, the freeze still occurs. In fact it seems to happen > even more quickly now! > >> That really points to a hw (or hw programming) bug that causes the card >> to lock up the bus. Had that many times in early b43 days. > > If it's a programming problem, might it be fixable in the firmware > (rt2561s.bin)? > > If not and given this is a Belkin card (model F5D7010), I guess there > could be thousands of them out there, so some note on the Devices > section of linuxwireless.org might help other users. In fact two > versions of this this model are currently shown as supported by the > b43 driver, but this, which has worked fine until now, isn't mentioned > at all. T > >>> > It looks like a problem specific to the hardware, not anything in the >>> > common wireless code. I suggest that you post your question to >>> > users@xxxxxxxxxxxxxxxxxxxxxxxx That's the mailing list for rt61pci and >>> > other Ralink devices. >>> >>> I think I'll just configure MAC80211 power saving off or use the ath5k card that I also own. >> >> You could also ask Ivo to disable power saving for rt61pci. >> > > Rather than simply disabling power saving, could it be done though a > module parameter, so that those with more robust cards are not > disadvantaged? > > Chris Can you do a very dumb test for me? Boot your laptop by adding 'irqpoll' to the kernel command line options and see if the problem still occours. Luis Correia rt2x00 project admin -- 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