From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luis R. Rodriguez Date: Sun, 18 Jan 2009 07:16:30 -0800 Subject: [ath9k-devel] still same problem In-Reply-To: <200901181034.03348.listsrv@wilsoft.nl> References: <49601028.9030201@gmail.com> <200901180055.13949.listsrv@wilsoft.nl> <4972BB5B.2040108@gmail.com> <200901181034.03348.listsrv@wilsoft.nl> Message-ID: <20090118151630.GQ29609@tesla> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org 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. http://wireless.kernel.org/en/developers/Documentation/git-guide http://wireless.kernel.org/en/users/Download Luis