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#1 2016-01-17 05:59:21

josephg5
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From: surrey england
Registered: 2016-01-17
Posts: 4
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linux 4.3.3-2 kernel boot errors

i have a fairly standard arch install fully updated, with core/linux & extra/intel-ucode.

$ uname -a
Linux hostname 4.3.3-2-ARCH #1 SMP PREEMPT Wed Dec 23 20:25:12 CET 2015 i686 GNU/Linux
$ lscpu | grep '^Model name'
Model name:            Intel(R) Core(TM)2 Duo CPU     T5870  @ 2.00GHz
$ dmesg -l err
[    3.506552] Failed to find cpu0 device node
[   14.945830] BTRFS: could not find root 8
[   14.945903] BTRFS: could not find root 8

i see these errors before i login on the console.
i would like to understand what they are, and if i need to do something.

i did a search, but didn't come with anything relevant to me. some with similar errors seemed to have serious issues. but i seem to have had no visible problems.. at least not yet.

Last edited by josephg5 (2016-01-17 06:26:17)


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#2 2016-01-17 06:04:01

josephg5
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From: surrey england
Registered: 2016-01-17
Posts: 4
Website

Re: linux 4.3.3-2 kernel boot errors

*delete*

Last edited by josephg5 (2016-09-11 18:54:34)


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#3 2016-01-17 06:17:28

josephg5
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From: surrey england
Registered: 2016-01-17
Posts: 4
Website

Re: linux 4.3.3-2 kernel boot errors

*delete*

Last edited by josephg5 (2016-09-11 18:54:58)


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#4 2016-01-17 08:02:09

Eschwartz
Member
Registered: 2014-08-08
Posts: 489

Re: linux 4.3.3-2 kernel boot errors

That is not a real error, everyone using btrfs without qgroups will see that.

https://bbs.archlinux.org/viewtopic.php?id=206998
https://bbs.archlinux.org/viewtopic.php?id=205375

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#5 2016-01-18 15:56:24

josephg5
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From: surrey england
Registered: 2016-01-17
Posts: 4
Website

Re: linux 4.3.3-2 kernel boot errors

thank you. i guess we could ignore the btrfs errors as systemd bugs.

what about the cpu0 error, and the possibly resultant kernel tainted stack traces dumped by systemd every few minutes, as on post #2 and #3.

Last edited by josephg5 (2016-01-18 15:56:40)


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