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MX 17 Repository: The Backported Debian Kernel Thread

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Stevo
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Re: MX 17 Repository: The Backported Debian Kernel Thread

#31 Post by Stevo » Wed Aug 15, 2018 1:25 pm

The backport kernel version in the test repo has now been updated to an ABI of 4.17.0-2 (4.17.14). There's no metapackage for it yet, but it can be installed in Synaptic by doing a quick search for "4.17.0-2", then installing the appropriate linux-headers and linux-image for your current platform ("uname -a" to check that).

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Re: MX 17 Repository: The Backported Debian Kernel Thread

#32 Post by redsparro » Fri Aug 17, 2018 1:28 pm

Thanks for this. When is the metapackage likely to be updated?

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Re: MX 17 Repository: The Backported Debian Kernel Thread

#33 Post by Stevo » Sat Aug 18, 2018 1:19 pm

It depends on when the Sid maintainer updates it, though I'll look to see if I can do that myself...OK, it's in Sid now--backporting it now.

The backported kernel version in the test repo has just been updated to 4.17.0-3 (4.17.15), so the same search and install method in Synaptic applies, as it again is not an automatic upgrade yet without the metapackage.

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Re: MX 17 Repository: The Backported Debian Kernel Thread

#34 Post by Stevo » Mon Aug 20, 2018 2:35 pm

The kernel maintainers issued 4.17.16 and then 4.17.17 in quick succession on Saturday to add some missing code, so we now have updated the backport to the 4.17.17 version in the test repo to include the full mitigation for the newly revealed speculative execution exploits.

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Re: MX 17 Repository: The Backported Debian Kernel Thread

#35 Post by Stevo » Fri Aug 31, 2018 3:06 pm

A new backported 4.18.5 kernel has now landed in the test repo. Besides adjusting it to use gcc-6, the only configuration change I made was to bump up the kernel's context switch frequency from 250 to 1000 Hz, which is supposed to make it more responsive for desktop users, but worse for server duties.

Those that are using the proprietary Nvidia video driver should update to the 390.77 version, currently in stretch-backports, to be compatible with this kernel, before they install it. Ndiswrapper, broadcom-sta, and virtualbox 5.2.18 in our test repo all build sucessfully. Zfs-dkms has not yet been tested.

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Re: MX 17 Repository: The Backported Debian Kernel Thread

#36 Post by Stevo » Fri Oct 05, 2018 8:11 pm

We now have the latest 4.18.10 (4.18.0-2) Debian kernel, backported from Sid, in our test repo. This has an ABI of -2 instead of -1, so won't upgrade automatically from the -1 version unless you have the kernel metapackage (example: linux-image-amd64) for your architecture also installed from the test repository. The Debian changelog is here.

Note that some AMD GPU users could be affected by this recently discovered bug: https://www.phoronix.com/scan.php?page= ... Power-Draw

This would also affect the Liquorix kernel, but probably will be fixed very soon.

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