From mboxrd@z Thu Jan 1 00:00:00 1970 From: W. van den Akker Date: Tue, 20 Jan 2009 19:32:09 +0100 Subject: [ath9k-devel] still same problem In-Reply-To: <43e72e890901200948r374009b0y2904200734072ae1@mail.gmail.com> References: <49601028.9030201@gmail.com> <200901192331.47056.listsrv@wilsoft.nl> <43e72e890901200948r374009b0y2904200734072ae1@mail.gmail.com> Message-ID: <200901201932.10006.listsrv@wilsoft.nl> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org On Tuesday 20 January 2009, Luis R. Rodriguez wrote: > On Mon, Jan 19, 2009 at 2:31 PM, W. van den Akker wrote: > > On Sunday 18 January 2009, Luis R. Rodriguez wrote: > >> On Sun, Jan 18, 2009 at 01:34:03AM -0800, W. van den Akker wrote: > >> > On Sunday 18 January 2009, Dmitri Seletski wrote: > >> > > W. van den Akker wrote: > >> > > > On Sunday 04 January 2009 10:58:02 Jens Ott - Opteamax wrote: > >> > > >> Hi, > >> > > >> > >> > > >> Luis R. Rodriguez schrieb: > >> > > >>> On Sat, Jan 3, 2009 at 5:53 PM, Barry Green > >> > > >>> wrote: [...] > >> > > >>> We need an oops trace of your crashes so far it seems you have > >> > > >>> not been able to get one, lets work on that. Until then it is > >> > > >>> not easy for us to provide you with patches to fix your issues. > >> > > >> > >> > > >> I also have similar problems with an D-LINK DWA-547 and I'd > >> > > >> really like to provide the oops trace, but unfortunately the > >> > > >> machine seems to hang that fast, that even no oops trace is > >> > > >> shown. Also magic-sysreq don't work anymore, neither via serial > >> > > >> console nor via keyboard. Only chance I have in this moment is to > >> > > >> press > >> > > >> reset-button, which already caused a full > >> > > >> xfs-filsystem-corruption with dataloss once :-( > >> > > >> > >> > > >> My problem is, that the hang happens not immediately after > >> > > >> loading the driver but "somewhen" while it is loaded. > >> > > >> > >> > > >> I have seen two types of crash: > >> > > >> > >> > > >> 1.) first investigations on my side seem to show that it happens, > >> > > >> as soon as there is high dataload transfered, but I don't have > >> > > >> detailed info yet. > >> > > >> 2.) Running hostapd works fine while started first time, but no > >> > > >> client is connected. When a client connects a system freeze > >> > > >> occures "sometimes". Reproducably the system freezes immediately > >> > > >> when starting hostapd, stop it and then restart hostapd. So every > >> > > >> change in hostapd conf needs a full reboot, unloading the ath9k > >> > > >> module and reload it does not prevent freeze, but after reboot I > >> > > >> can start hostapd once without a problem (only the metioned > >> > > >> "sometime" freezes on client connect or high data-volume). > >> > > >> > >> > > >> As this machine is productive, I suspended testing for now. I > >> > > >> will change the card into a non-productive environment in the > >> > > >> next days. As soon as I find more details, I'll report. > >> > > >> > >> > > >>> Please test with the latest drivers from > >> > > >>> wireless-testing/compat-wireless and restart in single user > >> > > >>> mode, we want to ensure X is not running at all and you are in a > >> > > >>> virtual terminal. We also do not want Network Manager or > >> > > >>> wpa_supplicant running in the background. To increase the > >> > > >>> resolution upon bootup try booting with vga=ask (vga=791 works > >> > > >>> well for me), then try to associate to your access point without > >> > > >>> encryption manually using iwconfig. > >> > > >> > >> > > >> Ok, that'll be a thing I'd need to test to, as in my case > >> > > >> wpa_supplicant is running. > >> > > > > >> > > > Hi, > >> > > > > >> > > > What is the status of your problem? I still have problems with it > >> > > > and have no progress... > >> > > > > >> > > > gr, > >> > > > Willem > >> > > > >> > > Hello Willem. > >> > > > >> > > I think I have had similar issue to yours. > >> > > > >> > > Car was working for short period of time and after a while crashed > >> > > computer. I was advised to change kernel version, i updated it to > >> > > 2.6.27.9 and problem has gone away since. > >> > > It's something to do with DMA. > >> > > > >> > > Perhaps try to upgrade kernel? > >> > > > >> > > Regards > >> > > Dmitri > >> > > >> > I have tried all kernel versions till 2.6.28 and still have the same > >> > hang-ups. I think indeed its a DMA-hardware-ath9k related problem. > >> > The patch in 2.6.27.8 didnt work for me. I have filled a bugreport on > >> > bugzilla.kernel but because AP isnt supported untill 2.6.29 the report > >> > is closed. > >> > >> A better description of this is that AP support does not work (is not > >> allowed) and therefore not supported on < 2.6.28. > >> > >> > I will test today 2.6.29.rc2 and see if it has any progress. > >> > >> You can also try wireless-testing (entire kernel) or compat-wireless > >> (just updates your wireless stuff) for bleeding edge stuff. > > > > I tested it today with kernel 2.6.29-rc2. But no change. The kernel hangs > > completly (without oops or what so ever, even nmi-watchdog has no > > results). It happend when I started the connection (from a IW4965 card). > > Then started up a Kmail connection, start up a browser sessie. Stop > > Kmail, and start Kmail. > > > > It also happens when I do a hostapd start, hostapd stop, hostapd start. > > > > Its a IBM 206 eserver, with no X running on it. The card is a WMP300N. > > > > Any hints? > > Since you are not getting any panic can you try wireless-testing git > tree [1], this will get you the latest and greatest wireless drivers > and mac80211/cfg80211 which are now being queued up for 2.6.30. See if > you see the issue there. If so then you can use git bisect. > > [1] http://wireless.kernel.org/en/developers/Documentation/git-guide I will use the latest drivers from wl. The last I tried was 18-1 and that didnt had any success. To be continued. Willem -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.