On Wed, 13 Jun 2018 16:07:02 +0300 Wirz <spam@xxxxxxxxxxxxx> wrote: > >>>> CONFIG_B43_HWRNG completely switches off hwrng support in b43. > >>>> I don't see how a change in hwrng core could still lead to a crash in > >>>> b43 with this option switched off. > >>>> > >>>> What do you mean by "manually in the .config"? > >>> > >>> What I meant is, that I have outcommented the line 'CONFIG_B43_HWRNG=y' > >>> in .config. > >>> > >>>> Can you try to properly switch off the setting with make menuconfig and > >>>> then recompile everything from scratch (make clean)? > >>> > >>> I was intending to do that before, but I cannot find the option for > >>> that. Searching for b43_hwrng in menuconfig only shows the dependencies > >>> of that option, and the Kconfig file where it is defined, but not the > >>> path in menuconfig. Do I indirectly set CONFIG_B43_HWRNG through the > >>> parameters it depends on? I'm sorry, but this is obviously above my > >>> level of expertise ... > >> > >> Whoops, sorry. You are right. This is an automatic config option. > >> That also means your manual editing of .config would be overridden. > >> > >> You can edit drivers/net/wireless/broadcom/b43/Kconfig > >> go to the section config B43_HWRNG > >> and change 'default y' to 'default n' > >> > >> That should disable it. > > > > > > > > Could you please also try the attached patch? > > There seems to be a problem in hwrng core in that it does not disable > > the current RNG, if the new RNG fails to initialize. > > I don't know if that's the problem here, though. > > Ok. Do I apply your patch to the first version that fails for me, and > revert my change to Kconfig? Yes, please test the patch with a version that would otherwise fail. You can use 4.16 or the latest kernel for that. I created it with latest linus' version. -- Michael
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