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zamlz
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PostPosted: Sat Jun 09, 2018 9:39 pm    Post subject: Gentoo Deadlocking on AMD Ryzen Reply with quote

Hi everyone,

I recently installed Gentoo on my desktop computer which currently uses the AMD Ryzen 5 1600.
Before I setup the kernel to utilize the zen architecture, my system would deadlock.
However this occurred quite rarely, maybe like once every 3-4 days.
I read that this might be a problem with the the software on the system not being compiled with the proper MAKEOPTS.
So I set it to znver1 and rebuilt the whole system,world, and kernel.
However while I building the whole system, 4 programs failed to be rebuilt.

  • x11-libs/libxcb-1.13:0/1.12
  • media-libs/mesa-17.3.9:0/0
  • media-gfxgraphviz-2.40.1-r1
  • x11-libs/gtk+-3.22.29:3/3

Also I tried to compile luakit and it failed under -march=znver1 but it compiled under -march=native. I wonder if its related.
While running luakit, I ended up getting frequent deadlocks within like a minute or two while using it and had to force shutdown my machine to recover.

I have not overclocked my system in any way and would like your guys help to proceed.

EDIT: Fixed typo

Thanks,
zamlz
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Last edited by zamlz on Sun Jun 10, 2018 3:12 am; edited 1 time in total
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krinn
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PostPosted: Sun Jun 10, 2018 12:11 am    Post subject: Reply with quote

ryzen+deadlock -> https://forums.gentoo.org/viewtopic-p-8169516.html#8169516
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zamlz
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PostPosted: Sun Jun 10, 2018 12:46 am    Post subject: Reply with quote

krinn wrote:
ryzen+deadlock -> https://forums.gentoo.org/viewtopic-p-8169516.html#8169516

krinn,

That is very much the problem that's happening on my end.
I'll try the solution that James Le Cuirot mentions in bugzilla.kernel.org and get back to you if it works.
Thanks for digging up that thread!

EDIT:
Alright, I was able to compile luakit under -march=znver1 and it seems to be running smoothly without any problems.
Thanks very much for the help.
I shall proceed to rebuild the other packages that failed under -march=znver1 as well.

I am curious why that solution fixed the compilation problem however. I figured it would only solve the problem of deadlocks.
Anyone know why?

zamlz
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xdarma
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PostPosted: Sun Aug 05, 2018 1:55 pm    Post subject: Reply with quote

zamlz wrote:

I am curious why that solution fixed the compilation problem however. I figured it would only solve the problem of deadlocks.
Anyone know why?

zamlz

Hello,
maybe a useful thread: Ryzen linux kernel bug 196683 - Random Soft Lockup

So, IMO, upgrade your bios, search for the option "Power Supply Idle Control" and change to "typical" or something like. Upgrade your kernel at least to 4.17.
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zamlz
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PostPosted: Thu Aug 30, 2018 9:47 pm    Post subject: Reply with quote

xdarma wrote:
zamlz wrote:

I am curious why that solution fixed the compilation problem however. I figured it would only solve the problem of deadlocks.
Anyone know why?

zamlz

Hello,
maybe a useful thread: Ryzen linux kernel bug 196683 - Random Soft Lockup

So, IMO, upgrade your bios, search for the option "Power Supply Idle Control" and change to "typical" or something like. Upgrade your kernel at least to 4.17.


Hmmm. I upgrade to 4.17.17 but I started getting some random deadlocks for some reason. Went back down to 4.14.65 and stopped getting them. Otherwise, everything in my system seems pretty stable for the most part.
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Marlo
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PostPosted: Fri Aug 31, 2018 7:31 am    Post subject: Reply with quote

My UEFI / Bios has no option "Power Supply Idle Control".

For me, the kernel 4.17.14-gentoo works very well with Zen1 without kernel parameters.

The 4.18.xx-gentoo kernels are in my experience so far not suitable for Ryzen 5 1600 six-core.
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zamlz
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PostPosted: Fri Aug 31, 2018 8:11 am    Post subject: Reply with quote

Marlo wrote:
My UEFI / Bios has no option "Power Supply Idle Control".

For me, the kernel 4.17.14-gentoo works very well with Zen1 without kernel parameters.

The 4.18.xx-gentoo kernels are in my experience so far not suitable for Ryzen 5 1600 six-core.


I didn't try 4.17.14 unfortunately. I might give it a go tomorrow morning and report back how it goes.
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