Return-path: Received: from senator.holtmann.net ([87.106.208.187]:49969 "EHLO mail.holtmann.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751603AbYJaVgg (ORCPT ); Fri, 31 Oct 2008 17:36:36 -0400 Cc: linux-wireless Message-Id: (sfid-20081031_223640_263821_32D6E947) From: Marcel Holtmann To: Tomas Winkler In-Reply-To: <1ba2fa240810311409i5203bcccu2b944dcc505deb30@mail.gmail.com> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Mime-Version: 1.0 (Apple Message framework v929.2) Subject: Re: Still 4965 issues with wireless-testing Date: Fri, 31 Oct 2008 22:36:31 +0100 References: <5A6314C4-958B-43E7-B94D-FE5BABED89EA@linux.intel.com> <1ba2fa240810310652t351b0b77k819a7e03659503eb@mail.gmail.com> <1ba2fa240810311409i5203bcccu2b944dcc505deb30@mail.gmail.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi Tomas, >>>>> so besides the point that the Ubuntu 8.10 kernel has a broken >>>>> driver for >>>>> the Intel 4965 cards which will crash my X61 after less than one >>>>> minute >>>>> uptime when it connects to my access point, I have my dmesg full >>>>> with >>>>> warnings from the latest wireless-testing kernel. >>>>> >>>>> I know that we have discussed this before and Johannes' patch at >>>>> least >>>>> turns it into warnings instead of killing my system completely, >>>>> but I am >>>>> still surprised why this hasn't been fixed. >>>> >>>> so this becomes more and more annoying. I get this WARN_ON now >>>> multiple >>>> times pre minute. Only the first few minutes after loading the >>>> firmware >>>> everything is okay and then it keeps filling my dmesg. And on top >>>> of >>>> that, I >>>> now see these: >>>> >>>> __ratelimit: 1189 callbacks suppressed >>>> iwlagn: Can not allocate SKB buffers >>>> iwlagn: Can not allocate SKB buffers >>>> iwlagn: Can not allocate SKB buffers >>>> iwlagn: Can not allocate SKB buffers >>>> iwlagn: Can not allocate SKB buffers >>>> iwlagn: Can not allocate SKB buffers >>>> iwlagn: Can not allocate SKB buffers >>>> iwlagn: Can not allocate SKB buffers >>>> iwlagn: Can not allocate SKB buffers >>>> iwlagn: Can not allocate SKB buffers >>>> __ratelimit: 57695 callbacks suppressed >>>> iwlagn: Can not allocate SKB buffers >>>> iwlagn: Can not allocate SKB buffers >>>> iwlagn: Can not allocate SKB buffers >>>> iwlagn: Can not allocate SKB buffers >>>> iwlagn: Can not allocate SKB buffers >>>> iwlagn: Can not allocate SKB buffers >>>> iwlagn: Can not allocate SKB buffers >>>> iwlagn: Can not allocate SKB buffers >>>> iwlagn: Can not allocate SKB buffers >>>> iwlagn: Can not allocate SKB buffers >>>> __ratelimit: 3345 callbacks suppressed >>>> iwlagn: Can not allocate SKB buffers >>>> iwlagn: Can not allocate SKB buffers >>>> >>>> What is going on here? This is a normal setup and nothing fancy. >>>> Access >>>> point is N-Capable from D-Link btw. >>> >>> >>> I have D-Link too I don't see this. What kernel version is this? Is >>> this your ubuntu version or wireless-testing? >>> Any more data you can provide (.config. slabinfo) >> >> this is from wireless-testing. The Ubuntu 2.6.27 kernel is totally >> broken. >> It will crash the kernel since we are missing the patch to turn >> this into a >> warning :) >> >> Attached is my config. The slabinfo will follow once the SKB errors >> come up >> again. It normally takes a few hours before they show. Just resumed >> that >> machine. > > I've downloaded whole moblin last night over 2.6.27.4, it's a bit slow > because the missing calibrations but it didn't crashed. > > I will test your config, your machine is T61 am I right? I have a X61 and running the 64-bit version of kernel and userspace. Regards Marcel