On Sun, Mar 18, 2018 at 4:34 PM, Jonathan Cameron <jic23@xxxxxxxxxxxxxxxxxxxxx> wrote: > On Sat, 17 Mar 2018 13:42:24 -0700 > Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote: > >> [adding linux-iio mailing list] >> >> Hi, >> >> It's always a good idea to include the kernel version in a problem report. >> >> >> On 03/05/2018 03:17 AM, Srishti Sharma wrote: >> > Hello, >> > I was trying to work with the iio dummy driver, and when I try to load >> > the iio_dummy_evgen.ko module I am getting unknown symbols found in >> > module error on running modprobe. >> > >> > These variables are unknown >> > iio_bus_type >>> in industrialio-core >> > irq_sim_init >>> in iio_dummy_evgen >> > irq_sim_fini >>> same >> > irq_sim_fire >>> same >> > irq_sim_fini >>> [duplicate] >> >> I tested this using Linux 4.16-rc5. As long as I manually load all >> modules in the needed order, they will all load with no symbol problems. >> >> >> > All of these variables are present in the Module.symvers file in the >> > /lib/modules/<kernel version>/build directory. The kernel and the >> > modules versions match. I ran make clean, make, and make >> > modules_install before trying to load them. I am unable to figure out >> > the problem. Where I might be going wrong any ideas ? >> >> Were you expecting some module autoloading based on their internal >> dependencies? If so, maybe someone on the linux-iio mailing list >> could comment on that. >> >> > Hi Randy, > > Thanks for following up on this. Looks like Srishti followed this > with an email to the linux-iio list. I sent a quick reply but haven't > heard back yet. > > https://marc.info/?l=linux-iio&m=152024876720954&w=2 > > Superficially I was guessing that Srishti had missed the fact that irqsim > is built into the kernel rather than as a module, so a reboot would have > been required as well. > > Srishti, if you do try a message on multiple lists, please do it by > replying to the original thread and cc'ing the new one. That way we save > time by avoiding duplication of efforts on different lists. > (at least I am assuming you sent it to one list then the other?) Hey, I am sorry for the late reply, the solution Jonathan had proposed i.e; reinstalling the kernel after configuring it for loading the required modules worked for me, Thank you so much. Regards, Srishti > > Thanks, > > Jonathan -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
