** Changed in: linux (Ubuntu)
Importance: Undecided => Wishlist
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
** Converted to question:
https://answers.launchpad.net/ubuntu/+source/linux/+question/661951
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https://bugs.launchpad.net/bugs/1738761
Title:
Please document how to build a patched version of the current (non
mainline) ubuntu kernel in a PPA
Status in linux package in Ubuntu:
Invalid
Bug description:
In order to resolve some bugs, to workaround some hardware quirk, or
to help developers test some bug-fixing patch it would be able to:
- Get the sources of the *current* (non mainline) ubuntu kernel
- Apply some patch
- Rebuild the kernel in a PPA (so that it can be made available to multiple
people for testing).
Unfortunately, there is no documentation on how to do this. In fact,
to the best of my understanding there is no documentation on how to
build patched kernels in PPAs at all.
This seems to be both possible and involving some special recipes,
because in some occasions I've been pointed by ubuntu developers to
try some specially patched version of the current kernel made
available via a PPA.
Specifically, at the present time, I would like to try and help trying
the patch in git://github.com/vsyrjala/linux.git plane_assert_v4.13
which is not yet available in mainline. In other occasions I had
similar situations with other patches.
Please let me remark again that I am not looking for ways of building
patched versions of the mainline kernel in a PPA (for this I have
found some informal instructions in
https://askubuntu.com/questions/784796/ppa-upload-of-custom-kernel-
package/841981#841981 (incidentally, this too should in my opinion be
officially documented). I am looking for ways to build a patched
current kernel, so that:
- systems needing proprietary drivers can be supported
- patches can be tested with the current ubuntu kernel
- as new versions of the ubuntu kernel for some distro come out, it is easy
to bring forward the patch if needed.
Thanks!
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: linux-source (not installed)
ProcVersionSignature: Ubuntu 4.13.0-19.22-generic 4.13.13
Uname: Linux 4.13.0-19-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: callegar 20848 F.... pulseaudio
CurrentDesktop: KDE
Date: Mon Dec 18 11:42:45 2017
EcryptfsInUse: Yes
IwConfig:
eth0 no wireless extensions.
lo no wireless extensions.
MachineType: Dell Inc. Precision WorkStation T5400
ProcFB: 0 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-19-generic
root=/dev/mapper/vg_ssd-root ro quiet splash mtrr_gran_size=2g
mtrr_chunk_size=2g resume=/dev/sdc3 vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.13.0-19-generic N/A
linux-backports-modules-4.13.0-19-generic N/A
linux-firmware 1.169.1
RfKill:
SourcePackage: linux
UpgradeStatus: Upgraded to artful on 2017-10-25 (53 days ago)
WpaSupplicantLog:
dmi.bios.date: 04/30/2012
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A11
dmi.board.name: 0RW203
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 7
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA11:bd04/30/2012:svnDellInc.:pnPrecisionWorkStationT5400:pvr:rvnDellInc.:rn0RW203:rvr:cvnDellInc.:ct7:cvr:
dmi.product.name: Precision WorkStation T5400
dmi.sys.vendor: Dell Inc.
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