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leyvi
Tux's lil' helper
Joined: 08 Sep 2023
Posts: 80
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 Posted: Tue Jan 02, 2024 8:52 pm Post subject: Kernel fails to compile |
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I've been trying to update my kernel for two weeks, but whenever I try, I get this generic error message:
| Code: | make[1]: *** [/usr/src/linux-6.6.9-gentoo/Makefile:1913: .] Error 2
make: *** [Makefile:234: __sub-make] Error 2
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I heard that this issue can be caused by incorrectly configuring the module signing thing, but I have that turned off.
I tried re-emerging the kernel source code and the firmware package. No luck; I'm guessing I should share my file,
but I don't actually know how to share it (it's too big to include in this post). |
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sunox
Tux's lil' helper
Joined: 26 Jan 2022
Posts: 147
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| Posted: Tue Jan 02, 2024 9:09 pm Post subject: |
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| Check out app-text/wgetpaste for sharing your config. |
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CaptainBlood
Advocate
Joined: 24 Jan 2010
Posts: 3909
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| Posted: Tue Jan 02, 2024 9:11 pm Post subject: |
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Do you have any 6.6.x working .config file?
Thks 4 ur attention, interest & support.
_________________
USE="-* ..." in /etc/portage/make.conf here, i.e. a countermeasure to portage implicit braces, belt & diaper paradigm
LT: "I've been doing a passable imitation of the Fontana di Trevi, except my medium is mucus. Sooo much mucus. " |
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NeddySeagoon
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Joined: 05 Jul 2003
Posts: 54588
Location: 56N 3W
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| Posted: Tue Jan 02, 2024 9:32 pm Post subject: |
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leyvi,
Try | Code: | | wgetpaste </path/to/file> |
and post the URL.
You may need to choose the paste service ... like this
| Code: | $ wgetpaste -s 0x0 /usr/src/linux/.config
Your paste can be seen here: https://0x0.st/H6af.txt |
That's my kernel .config file. Visit the URL to see it.
wgetpaste will need to be installed.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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leyvi
Tux's lil' helper
Joined: 08 Sep 2023
Posts: 80
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leyvi
Tux's lil' helper
Joined: 08 Sep 2023
Posts: 80
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| Posted: Thu Jan 04, 2024 2:04 pm Post subject: |
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| Can someone take a look please? |
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NeddySeagoon
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Joined: 05 Jul 2003
Posts: 54588
Location: 56N 3W
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| Posted: Thu Jan 04, 2024 2:46 pm Post subject: |
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leyvi,
Here's what I've done to try to reproduce your problem here ..
| Code: | eix-sync
emerge -1av gentoo-sources:6.6.9
cd /usr/src/linux-6.6.9-gentoo/
wget https://0x0.st/H6ey.txt
cp H6ey.txt .config
make oldconfig |
If your pastebin was a valid .config file for | Code: | # Automatically generated file; DO NOT EDIT.
# Linux/x86 6.6.9-gentoo Kernel Configuration |
the last step should have done nothing but it asked me
| Code: | | x32 ABI for 64-bit mode (X86_X32_ABI) [N/y/?] (NEW) |
so I stopped there as the .config is not valid for the the kernel tree that its in.
If you have ever used $EDITOR on the .config file, throw it away and start again. That usually produces an illegal .config file, which if it builds, shows all sorts of strange runt time issues that nobody has ever seen.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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leyvi
Tux's lil' helper
Joined: 08 Sep 2023
Posts: 80
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| Posted: Thu Jan 04, 2024 3:03 pm Post subject: |
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Thanks Ned!
I'll try using my config file from 6.6.4 (the last version to work correctly for me). |
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NeddySeagoon
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Joined: 05 Jul 2003
Posts: 54588
Location: 56N 3W
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| Posted: Thu Jan 04, 2024 3:24 pm Post subject: |
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leyvi,
I accepted the default answers to the questions that asked thn the kernel built with
| Code: | #
# Automatically generated file; DO NOT EDIT.
# Linux/x86 6.6.9-gentoo Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="gcc (Gentoo 13.2.1_p20231014 p9) 13.2.1 20231014"
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You have been using | Code: | | CONFIG_CC_VERSION_TEXT="clang version 17.0.6" |
clang is supposed to work.
Put my previous post down to me having a 'senior moment', or me being a twit :)
I use gcc by default. Using clang changeis the .config options, so swapping compilers forces make.oldconfig te ask questions. Sorry about that.
Building with works here and uses CONFIG_CC_VERSION_TEXT="clang version 17.0.6" so I cannot reproduce the error.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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leyvi
Tux's lil' helper
Joined: 08 Sep 2023
Posts: 80
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| Posted: Thu Jan 04, 2024 3:33 pm Post subject: |
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I’ve been using the variables “LLVM=1 LLVM_IAS=1”.
Does the fact that you were able to build it with just “LLVM=1” mean that I should stop using “LLVM_IAS”?
What does that flag IAS even do? (It’s not entirely clear to me). |
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grknight
Retired Dev
Joined: 20 Feb 2015
Posts: 1932
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| Posted: Thu Jan 04, 2024 3:41 pm Post subject: |
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| leyvi wrote: | I’ve been using the variables “LLVM=1 LLVM_IAS=1”.
Does the fact that you were able to build it with just “LLVM=1” mean that I should stop using “LLVM_IAS”?
What does that flag IAS even do? (It’s not entirely clear to me). |
Basically, it just removes the option -no-integrated-as to clang during the build. (uses the clang integrated assembler) |
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Hu
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Joined: 06 Mar 2007
Posts: 22725
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| Posted: Thu Jan 04, 2024 3:58 pm Post subject: |
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| Since the config works for Neddy, perhaps we should debug the actual error. leyvi: please pastebin the full build log, so we can see all error messages produced. |
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NeddySeagoon
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Joined: 05 Jul 2003
Posts: 54588
Location: 56N 3W
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| Posted: Thu Jan 04, 2024 4:04 pm Post subject: |
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leyvi,
| Code: | make clean
make -j40 LLVM=1 LLVM_IAS=1 |
works here too.
We need your build log to take the guesswork out of the debugging.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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leyvi
Tux's lil' helper
Joined: 08 Sep 2023
Posts: 80
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| Posted: Thu Jan 04, 2024 5:20 pm Post subject: |
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OK. But I don't know where the build logs are located...
When everything else failed, that was the first thing I tried to check.
I couldn't find it though. |
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Hu
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Joined: 06 Mar 2007
Posts: 22725
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| Posted: Thu Jan 04, 2024 6:01 pm Post subject: |
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| You quoted the tail of the build output in your opening post. From where did you get that? Go there, and get the rest of it. |
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leyvi
Tux's lil' helper
Joined: 08 Sep 2023
Posts: 80
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| Posted: Thu Jan 04, 2024 6:34 pm Post subject: |
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Oh, I though there was a separate log file to the build output.
Here is a link to the pastebin:
http://0x0.st/H6Jf.log |
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leyvi
Tux's lil' helper
Joined: 08 Sep 2023
Posts: 80
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| Posted: Thu Jan 04, 2024 6:40 pm Post subject: |
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Now that I can actually see the top of the log (it was lost to the line limit in my terminal), I am able to see this:
| Code: |
xz: Filter chain: --lzma2=dict=1536MiB,lc=3,lp=0,pb=2,mode=normal,nice=64,mf=bt4,depth=0 --lzma2=dict=1536MiB,lc=3,lp=0,pb=2,mode=normal,nice=64,mf=bt4,depth=0
xz: Unsupported filter chain or filter options
tar: kernel/kheaders_data.tar.xz: Wrote only 4096 of 10240 bytes
tar: Child returned status 1
tar: Error is not recoverable: exiting now
make[3]: *** [kernel/Makefile:158: kernel/kheaders_data.tar.xz] Error 2
make[3]: *** Deleting file 'kernel/kheaders_data.tar.xz'
make[2]: *** [scripts/Makefile.build:480: kernel] Error 2
make[2]: *** Waiting for unfinished jobs....
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I did recently create a file (/etc/env.d/99xz) where I set some default arguments for the xz command...
I'll check if disabling everything to do with xz helps mitigate the issue. |
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NeddySeagoon
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Joined: 05 Jul 2003
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Location: 56N 3W
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| Posted: Thu Jan 04, 2024 9:32 pm Post subject: |
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leyvi,
I don't have /etc/env.d/99xz and it worked for me.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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leyvi
Tux's lil' helper
Joined: 08 Sep 2023
Posts: 80
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| Posted: Thu Jan 04, 2024 9:40 pm Post subject: |
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Yeah... I tried disabling everything related to xz in the config, but it didn't change anything (tar was run with xz anyway).
But I did try this:
| Code: |
XZ_DEFAULT="" XZ_OPT="" LLVM=1 make -j16
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and that worked just fine:
| Code: |
Kernel: arch/x86/boot/bzImage is ready (#1)
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It seems that one's xz configuration should be set to the defaults, or the kernel may not build correctly.
Might be a good thing to put onto a wiki page. Maybe the one about xz? |
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Hu
Administrator
Joined: 06 Mar 2007
Posts: 22725
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| Posted: Thu Jan 04, 2024 10:17 pm Post subject: |
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| Do those custom XZ options work for building a simple tar file by hand? There are plenty of ways users can configure their tools to be completely broken. In my opinion, an unstated prerequisite for building anything is that your build tools are not broken, so specifically advising users not to configure their xz to be broken is only one of many things we would need to list. |
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leyvi
Tux's lil' helper
Joined: 08 Sep 2023
Posts: 80
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| Posted: Thu Jan 04, 2024 11:52 pm Post subject: |
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To clarify, I read about this in the xz article on the Gentoo Wiki.
I'm just saying that perhaps a warning should be added to that
article, so that people like me (who can be a bit clueless
sometimes) don't go changing this configuration, then wonder
why their kernel won't build. Here is the link:
https://wiki.gentoo.org/wiki/Xz-utils#Configuration
I don't think it would be a bad idea to add a disclaimer here. |
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pietinger
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Hu
Administrator
Joined: 06 Mar 2007
Posts: 22725
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| Posted: Fri Jan 05, 2024 12:20 am Post subject: |
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Wikis are freely editable, so you could use the associated Talk: page to propose the disclaimer, and discuss with other Wiki contributors what the ideal phrasing would be.
What options had you put in your local environment for xz? The same ones shown on the Wiki (XZ_DEFAULTS="-9 -T0") or something more complex? The output from the failed kernel build looks to me like you put something very complicated in the environment, which is why I wanted to know if those complex options worked outside the kernel build. |
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leyvi
Tux's lil' helper
Joined: 08 Sep 2023
Posts: 80
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| Posted: Sat Jan 06, 2024 8:58 pm Post subject: |
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This was my xz config:
| Code: |
XZ_OPT="--memlimit=48GiB -v --threads=24 --block-size=4GiB --lzma2=dict=1536MiB"
XZ_DEFAULTS="--memlimit=48GiB -v --threads=24 --block-size=4GiB --lzma2=dict=1536MiB"
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I was using tar for backups, and wanted to increase the compression ratio of the xz wrapper it
uses. I didn't get to test it though, and then I sort of forgot about it 
However, now GRUB doesn't work correctly; I tried to reboot, and nothing happened.
Then I tried using the GRUB shell on the installation of GRUB in the Debian 12 LiveCD (don't
judge, I had it on my desk anyways) to manually boot my OS, which worked fine, but I have no
clue why GRUB from my boot partition didn't work as usual. I've checked dmesg, kern.log,
syslog, etc...
I couldn't find any clues as to why it didn't work, but maybe I'm missing something.
In any case, I also regenerated my grub config with | Code: | | grub-mkconfig -o /boot/grub/grub.cfg |
This didn't work either. |
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Hu
Administrator
Joined: 06 Mar 2007
Posts: 22725
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| Posted: Sat Jan 06, 2024 10:02 pm Post subject: |
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| We have had a number of threads recently about systems failing to boot after a grub update. Perhaps one of those will have useful advice for you. |
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