From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joseph Cheek Date: Mon, 2 Feb 2009 17:21:52 -0500 Subject: [ath9k-devel] modprobe ath9k == BUG: unable to handle kernel NULL pointer dereference at 000001dc In-Reply-To: <497BB336.1040505@cheek.com> References: <4976BD2E.3070807@cheek.com> <43e72e890901211049k1d222dcfqe9a530b26ccd4ca8@mail.gmail.com> <49777D8B.10802@cheek.com> <49779F1D.2090800@cheek.com> <4978C6A4.4050709@cheek.com> <20090122194435.GA14561@tesla> <497BB336.1040505@cheek.com> Message-ID: <49877200.2070009@cheek.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org I've been trying git tip for a week and no more kernel OOPS! great job, thanks! I also did NOT have to change IEEE_MONITORING_INTERVAL to stay connected. *But* I still lose connectivity for several seconds during a large file transfer (most often transferring 50M or more via scp or rsync -e ssh). Joseph Cheek Joseph Cheek wrote: > ok. I just got a repro on 2.6.27.11 with compat-wireless-2008-12-31. > it appears to occur when i bring down the interface, rmmod ath9k, and > then modprobe ath9k while I am trying to rsync from or to the box. I > bounce the interface like this often when I lose transmission for > several seconds at a time. most of the time it recovers ok, but > sometimes it doesn't. > > i'll try git tip on monday. > > Thanks! > > Joseph > > Luis R. Rodriguez wrote: > >> On Thu, Jan 22, 2009 at 11:19:00AM -0800, Joseph Cheek wrote: >> >> >>> I just got a repro of this on 2.6.27.12 with compat-wireless >>> 2009-01-19. i'm going back to 2.6.27.11 with compat-wireless 2008-12-31 >>> to see if it is more stable (I never got the bug on that one). >>> >>> here are the config_debug options i had on for this last strace. please >>> let me know what other options you would like me to turn on so i can >>> make the trace more useful. >>> >>> thanks! >>> >>> Joseph Cheek >>> >>> CONFIG_DEBUG_KERNEL=y >>> CONFIG_DEBUG_PREEMPT=y >>> CONFIG_DEBUG_BUGVERBOSE=y >>> CONFIG_DEBUG_INFO=y >>> CONFIG_DEBUG_MEMORY_INIT=y >>> CONFIG_DEBUG_PAGEALLOC=y >>> >>> >> These are good, CONFIG_DEBUG_INFO=y is what I was looking for too. >> Not sure why you don't get what I expect. Try using ksymoops then, >> or you can also just recompile using wireless-testing kernel directly: >> >> http://wireless.kernel.org/en/developers/Documentation/git-guide >> >> This has the latest RC kernel + all the wireless stuff we have queued up >> for 2.6.30 (what compat-wireless picks up). >> >> Luis >> >> >> > _______________________________________________ > ath9k-devel mailing list > ath9k-devel at lists.ath9k.org > https://lists.ath9k.org/mailman/listinfo/ath9k-devel >