4.19.1-rt3 kernel bug (BUG:Scheduling while atomic

bevins
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26 Nov 2020 20:55 - 26 Nov 2020 21:09 #190368 by bevins

4.19.1-rt3 kernel bug (BUG:Scheduling while atomic) was created by bevins

My machine is locking up and found it to be caused by a bug in the 4.19.1 RT3 kernel.
I installed the linuxmint iso. Is there another RT kernel I can use with Linuxmint?

Are all the iso's guys are creating using this kernel?

Last edit: 26 Nov 2020 21:09 by bevins.

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bevins
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26 Nov 2020 21:00 - 26 Nov 2020 21:01 #190369 by bevins

Replied by bevins on topic 4.19.1-rt3 kernel bug (BUG:Scheduling while atomic

[   51.837353] IPv6: ADDRCONF(NETDEV_CHANGE): wlxd03745807435: link becomes ready
[ 2441.522786] BUG: scheduling while atomic: Xorg/1117/0x00000003
[ 2441.522787] Modules linked in: ipt_REJECT nf_reject_ipv4 xt_tcpudp iptable_filter ip_tables x_tables 8192eu(OE) cfg80211 intel_rapl

Last edit: 26 Nov 2020 21:01 by bevins.

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tommylight
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26 Nov 2020 21:09 #190373 by tommylight

Replied by tommylight on topic 4.19.1-rt3 kernel bug (BUG:Scheduling while atomic

I use this one daily on plenty of PC's, even on the one i am typing on although there is no machine attached to it.
ftp.us.debian.org/debian/pool/main/l/lin..._4.9.228-1_amd64.deb

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bevins
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26 Nov 2020 21:18 #190375 by bevins

Replied by bevins on topic 4.19.1-rt3 kernel bug (BUG:Scheduling while atomic

tommylight wrote:
I use this one daily on plenty of PC's, even on the one i am typing on although there is no machine attached to it.
ftp.us.debian.org/debian/pool/main/l/lin..._4.9.228-1_amd64.deb

go from 4.19 down to 4.9?

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tommylight
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26 Nov 2020 22:09 #190377 by tommylight

Replied by tommylight on topic 4.19.1-rt3 kernel bug (BUG:Scheduling while atomic

Yes, it had the best latency from all the ones i tested. I dropped from 5.4 to 4.9 !

Download that, install using gdebi, reboot and hold down shift key, choose that kernel in advanced options, test if it works ok.
If not just leave it there, GRUB will still load 4.19 by default. So in case it works you have to make it the default in GRUB.

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bevins
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27 Nov 2020 10:37 #190421 by bevins

Replied by bevins on topic 4.19.1-rt3 kernel bug (BUG:Scheduling while atomic

Ok I am on that 4.9 kernel. We'll see how it goes.....

Thanks Tommy

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27 Nov 2020 10:41 #190422 by bevins

Replied by bevins on topic 4.19.1-rt3 kernel bug (BUG:Scheduling while atomic

Well..... no wifi drivers with that kernel.....

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27 Nov 2020 12:32 #190429 by bevins

Replied by bevins on topic 4.19.1-rt3 kernel bug (BUG:Scheduling while atomic

Is it worth trying to find the headers and recompile this older kernel with support for the 8192eu module?

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27 Nov 2020 12:33 #190430 by bevins

Replied by bevins on topic 4.19.1-rt3 kernel bug (BUG:Scheduling while atomic

Any other rt kernels around that would support the 8192eu module?

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tommylight
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27 Nov 2020 12:40 #190431 by tommylight

Replied by tommylight on topic 4.19.1-rt3 kernel bug (BUG:Scheduling while atomic

packages.debian.org/bullseye/amd64/linux...-3-rt-amd64/download
That is the newest RT kernel, so should have drivers for your wifi.

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