From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Huemer Subject: Re: 2.6.{30,31} x86_64 ahci problem - irq 23: nobody cared Date: Mon, 12 Oct 2009 17:03:48 +0200 Message-ID: <4AD34554.3050701@sbg.ac.at> References: <4ABBB8C2.2080901@sbg.ac.at> <200910101513.51320.elendil@planet.nl> <4AD2DFA4.9000602@kernel.org> <200910121148.16439.elendil@planet.nl> <4AD2FC60.8080705@kernel.org> <4AD2FD10.2010800@sbg.ac.at> <4AD2FFC7.5010402@kernel.org> <4AD300B5.6080102@sbg.ac.at> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4AD300B5.6080102@sbg.ac.at> Sender: linux-kernel-owner@vger.kernel.org To: Tejun Heo Cc: Frans Pop , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, Jeff Garzik , alexander.huemer@sbg.ac.at List-Id: linux-ide@vger.kernel.org Alexander Huemer wrote: > Tejun Heo wrote: >> Alexander Huemer wrote: >> >>> Tejun Heo wrote: >>> >>>> Frans Pop wrote: >>>> >>>> >>>>> On Monday 12 October 2009, Tejun Heo wrote: >>>>> >>>>>> Alexander, can you please attach full boot log and the output of >>>>>> "lspci -nn"? Also, how reproducible is the problem? You already >>>>>> answered to Frans' question but can you be more specific? >>>>>> >>>>> Full dmesg was made available earlier at: >>>>> http://xx.vu/~ahuemer/dmesg_ahuemer_20090923 >>>>> >>>> Does blacklisting i801_smbus make any difference? >>>> >>>> >>> lspci -nn: >>> http://xx.vu/~ahuemer/lspci_nn_ahuemer_20091012 >>> >>> what do you mean with "blacklisting i801_smbus" ? >>> >> >> [ 3.872387] i2c /dev entries driver >> [ 3.873943] i801_smbus 0000:00:1f.3: PCI INT B -> GSI 23 (level, >> low) -> IRQ 23 >> [ 3.875580] w83627hf: Found W83627HF chip at 0x290 >> >> IRQ23 is also used by i801_smbus and it would be nice to confirm >> whether the problem can still be triggered with that driver not >> loaded. Adding "blacklist i2c_i801" to /etc/modprobe.d/blacklist >> should probabaly do the trick. >> >> Thanks. >> >> > okay, i think you assume that i2c_i801 is a module. > it is indeed built into the kernel. > i'll rebuild the kernel without that component and run a test again. > > regards > -alex tejun, it seems you hit an interesting point. i compiled kernel-2.6.31.3 with my ususal config _without_ i2c_i801. my usual test (compilation of gcc-4.3.2) finished 5 times without the error. i'll let it run some more times over night. does anybody have an idea how i can trace what exactly causes the error during the compilation run so that i can create a short test program ? regards -alex