On 14.09.2016 09:07, Wim Torfs wrote: > > > On 2016-09-14 08:09, Stefan Bader wrote: >> On 13.09.2016 14:45, Wim Torfs wrote: >>> Dear maintainers, >>> >>> I have been asked to modify some kernel modules of a specific kernel, >>> installed >>> default with Ubuntu 14.04.2, that is, 3.13.0-33-generic. >>> >>> If I download the kernel through apt-get source 3.13.0-33-generic, then the >>> kernel release is 3.13.11-ckt39, not as one would expect 3.13.0-33-generic. >> >> You are getting confused by the Makefile version (which shows what upstream >> stable version is the base for the kernel) and the package version. >> The package version for the source package is found in the changelog file >> which >> (also slightly different to normal Debian packaging) is located in >> debian.master. >> The version in the changelog will be 3.13.0-x.y wjere x is the abi number >> (for >> example 33) and y is the upload number which you see as #y in uname -a. >> >> https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel should have more info. >> >> -Stefan > > > Thanks Stefan, > > That makes more sense to me than what I have found so far. But if I need to > compile a kernel module for the 3.13.0-33-generic kernel image, then I assume > I > have to change the Makefile version, such as EXTRAVERSION, etc? Because if I > use > the config file, found in /boot, then I end up with a kernel version (uname > -a) > equal to the upstream stable version which is the base for this kernel. > > I was expecting that the Ubuntu kernel sources would generate the exact same > kernel image (including the kernel version) as can be found in one of the > images.
It will if you use the Debian build method (dpkg-buildpackage or at least some call to fakeroot debian/rules) which also does not require to look for configs. The matching config is automatically generated from the tree. If you need to change some config, it is slightly non straight forward but should also be explained in the wiki page. Only one drawback for UEFI secure boot: there is no way to rebuilt with the same signature. -Stefan > > Wim. > > >> >>> >>> Could you please help me getting the exact same kernel source, used for >>> building >>> the linux-image-3.13.0-33-generic package by means of the config file, >>> located >>> in the /boot section. >>> >>> Thanks, >>> >>> Kind regards, >>> Wim Torfs. >>> >> >>
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