[cc'ing Jean and quoting whole body] Hello, Jean. It seems i2c_i801 is triggering IRQ storm on Alexander's machine. The original thread is http://thread.gmane.org/gmane.linux.kernel/894187 Any ideas? Thanks. Alexander Huemer wrote: > 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 -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
