On Tue, Aug 18, 2020 at 11:06 PM Greg KH <greg@xxxxxxxxx> wrote: > > On Tue, Aug 18, 2020 at 11:01:35PM +0530, Muni Sekhar wrote: > > On Tue, Aug 18, 2020 at 10:44 PM Greg KH <greg@xxxxxxxxx> wrote: > > > > > > On Tue, Aug 18, 2020 at 10:24:13PM +0530, Muni Sekhar wrote: > > > > On Tue, Aug 18, 2020 at 8:06 PM Greg KH <greg@xxxxxxxxx> wrote: > > > > > > > > > > On Tue, Aug 18, 2020 at 08:00:11PM +0530, Muni Sekhar wrote: > > > > > > Hi all, > > > > > > > > > > > > I’ve two identical Linux systems with only kernel differences. > > > > > > > > > > What are the differences in the kernels? > > > > > > You didn't answer this question, is this the same kernel source being > > > compared here? Same version? Same compiler? Everything identical? > > Both systems are having exactly the same hardware configuration. > > Compiler and kernel versions are different. One system has Ubuntu > > 16.04.4 LTS(4.4.0-66-generic kernel with gcc version 5.4.0) kernel and > > the other one has Ubuntu 18.04.4 LTS(4.15.0-91-generic kernel with gcc > > version 7.5.0). > > Those are _very_ different kernel versions, with many years and tens of > thousands of different changes between them. > > Hopefully the newer kernel is faster, so just stick with that :) But unfortunately the newer kernel is very slow, that is the reason for starting this investigation :) Any type of help, and guidelines to dive deeper will be highly appreciated. > > greg k-h -- Thanks, Sekhar _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
