Resolving Ubuntu Patch Kernel Issue

 

Sometimes your computer may display a message that the Ubuntu kernel is applying patches. This error can have several reasons.

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Submitting a Patch to the Ubuntu Kernel Most patches must first be run upstream before the Ubuntu kernel plans to apply them to the Ubuntu kernel. See the Submit Upstream section above. Once a patch has been submitted and accepted upstream, it should automatically appear in the Ubuntu kernel.

 

 

Typical Patch Lifecycle

These are the typical steps this patch should take before shipping to the Ubuntu kernel.

1. This hotfix has been created and tested thoroughly.

2. Report this to the launchpad and document the issue and how the fix fixes most of the issues.

3. Added a similar patch for the launcher. Be sure to check the appropriate “Attach this fix” checkbox when linking.

4. Optional: If you would like to review the patch before submitting the patch upstream, email it to the Ubuntu Kernel Team .

   • These types of parts can be sent to the Ubuntu kernel distribution group in the appropriate form becomes: two

     1. A pull request from a public Git repository, such as the combined output of ‘git request-pull’. This is literally preferable to the bo method.large or small areas.
     2. 

        In your local Git repository, run the command ‘git format-patch -1 ‘ and the resulting email file. Beware of missing keys and line breaks. A good rule of thumb is to direct the email fix to yourself first and make sure the idea is being applied correctly.

   • Don’t forget to add the “Disabled:” line. The fix
   • needs to be reviewed by the Ubuntu kernel team and notes will most likely be provided. Probably make the suggested improvements and resubmit if necessary.

5. Once the patch is ready, submit it upstream. See the Submit Upstream section below. Patch

   • A patch is usually based on web designers’ review of the original kernel and can provide more information on why the patch needs to be improved. Be special to make suggested improvements and resubmit final acceptance.
   • With this in mind, it is also a good idea to use a toolbar bug link that can direct a fix Upstream.
6. The patch has been accepted upstream.
7. After the upstream, the Ubuntu kernel recovery will complete automatically.

   • If you want this patch to be immediately integrated into the Ubuntu kernel from upstream, read the section Submitting a Patch to the Ubuntu Kernel

If you need help with these steps, see the help section below.

Submit A Reliable Fix Upstream

If the patch benefits the entire kernel community, it must be downloaded first. After the entire patch is integrated upstream, the patch will most likely automatically infiltrate the Ubuntu kernel. If the patch hasn’t been upstream, it probably won’t apply to the Ubuntu kernel. So how do you go about fixing upstream kernel syndication?

1. First read the documentation for upstream patching. Don’t just hover over navigation or now. It would be rude to waste upstream developers’ time not knowing how to submit patches correctly, especially when this patch submission process The phenomena are fully disclosed. Upstream developers take patches and additions seriously, so get your profit back by submitting the patch correctly.

2. See file https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/MAINTAINERS for where to transfer to the patch. You can also use scripts / get_maintainer.pl in the kernel tree to get the same information.

3. Make sure you are patching the upstream reservoir kernel and not the original Ubuntu kernel.

   • Several subsystems maintain their own Git, which has always been merged with Linus’s trees. If so, cross-correct the subsystem tree. Otherwise, implement https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git.

      git clone git: //git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 

4. Make sure you keep the California King patch origin by unsubscribing (i.e. adding your Unsubscribe from: 🙂

5. To automatically convert the patch to un To enable the stable tree, add Tag Cc: Â [email protected] when leaving the zone (not in the CC of your email!). After merging, the patch will be napplied to stable forest and then migrated to Ubuntu kernel. Read https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.For html to learn more about this tag.

Example Of Sending A Good Upstream Patch

This particular bug was addressed by creating a patch to add a machine property for this particular system. This fix will be useful not only for Ubuntu users, but also for anyone who has suffered from using this material. This fix was posted upstream as follows:

1. The spare patch was thoroughly tested first and effectively resolved the problem.
2. 

   The sender has correctly read the documentation for submitting the upstream patch and has therefore noted some key points to keep in mind when using:

   • The patch should have had a specific , well written description.
   • The patch follows the basic coding style of the kernel.
   • The patch can be sent online in text form via email (i.e. attachments, no links, etc.)
   • The patch was created using The most advanced kernel available.
   • “[PATCH]” has been added to the email content
   • Unsubscribed from the patch

3. Requestor checked the MAINTAINERS file to see who and where should the patch type be selected

   •  X86 sent: ARCHITECTURE (32-BIT AND 64-BIT)R: Thomas GleixnerM: [email protected]: Ingo MolnarM: [email protected]: H. Peter UnwinM: [email protected]: [email protected]: git: // git git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.gitS: In good condition.Q: Documentation / x86 /F: arch / x86 / 

4. After examining the MAINTAINERS file, it turns out that this particular subsystem definitely has its own Git tree. The patch was quickly reinstalled on the Linux-2 .6-x86.git tree.

5. A contribution was then generated and sent to the executives (Thomas Gleixner, Ingo Molnar, H. Peter Unwin), the x86 kernel delivery list and LKML.

   • http://lkml.org/lkml/2009/3/4/285

6. Authorized fix was and Merged upstream

   • http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dd4124a8a06bca89c077a16437edac010f0bb993

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• If this patch were to be resubmitted later, it should have includedb queue “BugLink: https://bugs.launchpad.net/bugs/323592”

More Examples

Successful Ubuntu Kernel Patch Submission

Most fixes need to be upstream first before the Ubuntu kernel team can consider applying them to the Ubuntu kernel. See the Submit Upstream section above. Once a patch has been submitted and tentatively evaluated, it will automatically detect that it is substantially present in the Ubuntu kernel. If upstream is what is usually done ASAP in all ubuntu ke

 

 

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