At Fri, 9 Jan 2015 11:39:32 +0000, Wang, Jiada (ESD) wrote: > > Hi Community > > I am using i.MX6Q sabreSD board, which have imx_wm892 machine driver, wm8962 > codec and SSI CPU DAI, > > I got Kernel crash when unloading audio drivers (playback stream is active) > modprobe -r snd_soc_imx_wm8962 > modprobe -r snd_soc_fsl_ssi > modprobe -r snd_soc_wm8962 [snip]
The root problem is that you can unload the module while playing. The corresponding module refcounts should have been increased during used. Do we miss [try_]module_get() somewhere in ASoC? Takashi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
