Package Base Details: linux-rt

Git Clone URL: (read-only, click to copy)
Submitter: schivmeister
Maintainer: jhernberg (dvzrv, sangy)
Last Packager: dvzrv
Votes: 177
Popularity: 1.63
First Submitted: 2011-08-09 20:03
Last Updated: 2021-07-19 18:12

Pinned Comments

dvzrv commented on 2021-01-12 21:52

The repository for linux-rt and linux-rt-lts has moved to a new location.

If you use the custom repository, please update your pacman.conf accordingly, as the other one is going away by the end of the month (January 2021)!

Latest Comments

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cavilory commented on 2020-12-03 06:43

linux-rt 5.9.1-rt20-1-rt

Dmesg output:

BUG: using smp_processor_id() in preemptible [00000000] code: usb-storage/257
BUG: using smp_processor_id() in preemptible [00000000] code: usb-storage/252

on laptop Asus FX503

blackhole commented on 2020-12-01 13:27

Same bug reported in gentoo forum:

This is a serious bug, systems slow down, CPU load increase.

I have received this report: "...these errors happen on a AMD B450-f motherboard and a NUC7I7DNBE. The first uses the USB 3.0 controller onboard the processor chip, the second the USB controller on the Intel SOC..."

Yesterday I tested a Lenovo Yoga 530 with AMD Ryzen™ 7-2700U and the problem is confirmed.

linux-rt-lts not affected, so I switched to this one.

blackhole commented on 2020-12-01 08:10

With the last realtime kernel, booting from USB I have this error:

[ 169.847376] BUG: using smp_processor_id() in preemptible [00000000] code: usb-storage/249

The error is repeating.

This is not present in mainline kernel.

Some suggestions?

kyak commented on 2020-11-05 10:31

@dvzrv Please see my comment below. Would you accept this simple change?

PKGBUILD now fetches the latest tarball from your gitlab repo instead of pulling the whole git history.

kyak commented on 2020-11-05 10:20

0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch is not used in this package and should be removed from repo.

nixit commented on 2020-10-29 18:44


thanx, I tried that and still got some GPG errors when trying to add/import the key. $ gpg --auto-key-locate wkd --search-keys gpg: error searching keyserver: General error gpg: keyserver search failed: General error

hope for formatting turns out, I'm still trying to figure out how to put the error in a highlight like you did.

kyak commented on 2020-10-29 13:45

@dvzrv thanks a lot for maintaining this package! I'm considering switching to repository, but for now building it from source.

Previously, PKGBUILD would just fetch the kernel tarball. Now, it's using git to fetch sources from

Is it possible to ask PKGBUILD not to fetch the whole git history? I think it is not needed for makepkg. It will save huge amount of bandwidth and disk.

Maybe something like git clone --depth=1?

P.S. Maybe I need to clarify my use case a bit. I'm not keeping the build artifacts, including sources, once the build has finished (building it in tmpfs). So I will not gain speedup you might expect if you keep build directory between different releases.

dvzrv commented on 2020-10-28 21:30

@nixit: That key is in the archlinux-keyring package.

If you want to retrieve it for your own user you can do gpg --auto-key-locate wkd --search-keys

nixit commented on 2020-10-28 19:27

when I try to update, I get the following:

:: PGP keys need importing: -> C7E7849466FE2358343588377258734B41C31549, required by: linux-rt (linux-rt->headers linux-rt) ==> Import? [Y/n] y :: Importing keys with gpg... gpg: keyserver receive failed: No name problem importing keys"

any idea what is going on?

jempe commented on 2020-10-22 11:05

@dvzrv I will do that for the new vm Thanks @jhernberg Very usefull thanks