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Warning: Debian stable kernel upgrade breaks most ARM SBC

bugs.debian.org

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Re: Warning: Debian stable kernel upgrade breaks most ARM SBC

#11

Post by voltagex_ »

Oops: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=922478#72

The problem patch is in http://deb.debian.org/debian/pool/main/l/linux/linux_4.9.144... (I think)

"Commit 901e325f772f "ARM: bugs: add support for per-processor bug checking" added a new member to struct processor. This structure is always instantiated in built-in code and the new member is only used in built-in code. Therefore we can safely add the new member at the end instead.

Move it to the end and hide it from genksyms. Also hide it when building modules, to make sure they really don't use it."

Re: Warning: Debian stable kernel upgrade breaks most ARM SBC

#13

Post by pabs3 »

amacbride wrote: post #8
blihp wrote: post #7

Earlier quoted context omitted.

I'm sure it's small, but at least a few of us are here. Also worth noting is that (most) Raspberry Pi (an ARM SBC) users are indirectly Debian users too. (and I'm a Pi user as well)

My BeagleBone Black runs a Debian-based distro (Angstrom), and there are spins based on Debian proper, Ubuntu, etc. So it’s definitely good to know.

Ångström appears to be based on OpenEmbedded rather than Debian:

https://en.wikipedia.org/wiki/%C3%85ngstr%C3%B6m_distributio...

Re: Warning: Debian stable kernel upgrade breaks most ARM SBC

#14

Post by walrus01 »

blihp wrote: post #7
kfwhp wrote: post #4

Earlier quoted context omitted.

What % of HN users use an ARM SBC with Debian?

I'm sure it's small, but at least a few of us are here. Also worth noting is that (most) Raspberry Pi (an ARM SBC) users are indirectly Debian users too. (and I'm a Pi user as well)

There's just about zero chance that this bug would make it into raspbian stable, though, since they are always at least several months behind debian-stable on AMD64.

Re: Warning: Debian stable kernel upgrade breaks most ARM SBC

#15

Post by markvdb »

kfwhp wrote: post #4
sm4rk0 wrote: post #2

This should be made "sticky", if there was this feature @HN. Strange that ci.debian.net didn't catch this.

What % of HN users use an ARM SBC with Debian?

We do at https://fosdem.org on our custom made video gear. That's 56 boxes in a crucial spot in our operation. We went out of our way to make sure we had plain vanilla mainline Debian stable packaged linux running on the Allwinner A20 based boards that power them, instead of some binary arm kernel with all kinds of issues.

Re: Warning: Debian stable kernel upgrade breaks most ARM SBC

#16

Post by AceJohnny2 »

markvdb wrote: post #15
kfwhp wrote: post #4

Earlier quoted context omitted.

What % of HN users use an ARM SBC with Debian?

We do at https://fosdem.org on our custom made video gear. That's 56 boxes in a crucial spot in our operation. We went out of our way to make sure we had plain vanilla mainline Debian stable packaged linux running on the Allwinner A20 based boards that power them, instead of some binary arm kernel with all kinds of issues.

Was your fleet impacted by this?

Edit: oh, FOSDEM was 2 weeks ago, not in the near future, so impact is less

Re: Warning: Debian stable kernel upgrade breaks most ARM SBC

#17

Post by uasm »

pabs3 wrote: post #5
sm4rk0 wrote: post #2

This should be made "sticky", if there was this feature @HN. Strange that ci.debian.net didn't catch this.

As far as I can tell, ci.debian.net doesn't support any of the ARM architectures and does not test suites other than testing and unstable: https://ci.debian.net/data/

Why do they call it "stable" then?

Re: Warning: Debian stable kernel upgrade breaks most ARM SBC

#19

Post by BiggusDijkus »

markvdb wrote: post #15
kfwhp wrote: post #4

Earlier quoted context omitted.

What % of HN users use an ARM SBC with Debian?

We do at https://fosdem.org on our custom made video gear. That's 56 boxes in a crucial spot in our operation. We went out of our way to make sure we had plain vanilla mainline Debian stable packaged linux running on the Allwinner A20 based boards that power them, instead of some binary arm kernel with all kinds of issues.

OffTopic: At FOSDEM, I was quite curious about those media boxes. Is there any docs to read about them?

Re: Warning: Debian stable kernel upgrade breaks most ARM SBC

#20

Post by tlavoie »

kfwhp wrote: post #4
sm4rk0 wrote: post #2

This should be made "sticky", if there was this feature @HN. Strange that ci.debian.net didn't catch this.

What % of HN users use an ARM SBC with Debian?

I do, at least for some personal projects. They're more than capable enough for many tasks, and cheap enough to be willing to just grab another if you have a quick task.
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