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Groups > linux.kernel > #1533565
| From | Paul Bolle <pebolle@tiscali.nl> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: Odd build breakage in 4.9-rc7 |
| Date | 2016-11-30 22:00 +0100 |
| Message-ID | <sJk8V-2ve-5@gated-at.bofh.it> (permalink) |
| References | <sJgRI-yy-15@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, 2016-11-30 at 12:24 -0500, Jarod Wilson wrote:
> Up second, once we're past the above, building modules goes splat:
>
> ----8<----
> $ make -s ARCH=x86_64 V=1 -j8 modules
> ...
> ERROR: "module_put" [virt/lib/irqbypass.ko] undefined!
> ERROR: "mutex_unlock" [virt/lib/irqbypass.ko] undefined!
> ERROR: "mutex_lock" [virt/lib/irqbypass.ko] undefined!
> ...
> ----8<----
>
> There are similar ERROR lines to the tune of 145k lines of output,
> basically for every single module and symbol in the build. This breakage
> was bisected to commit cd3caefb4663e3811d37cc2afad3cce642d60061, which
> looks fairly innocuous, but when reverted, builds work fine again.
I ran into a modules build printing over 100K ERROR lines a month ago:
https://lkml.kernel.org/r/<1478165881-9263-1-git-send-email-pebolle@tiscali.nl>
That had to do with setting TRIM_UNUSED_KSYMS and so unsetting UNUSED_SYMBOLS,
as far as I could tell. Did you perhaps also have UNUSED_SYMBOLS unset when
your modules build when splat?
And did your bzImage build by any chance print this (to stderr):
sed: can't read .tmp_versions/*.mod: No such file or directory
If so I might have run into your second issue a month ago already, which makes
your bisect to commit cd3caefb4663 ("Fix subtle CONFIG_MODVERSIONS problems")
suspect. Or did that bisect not cover the second issue?
> Multi-threaded make vs. single-threaded doesn't matter, setting
> CONFIG_BROKEN=y or '# CONFIG_MODVERSIONS is not set' don't make a
> difference, and interestingly, if instead of split 'make bzImage' and
> 'make modules', I just do a single 'make', then things DO build
> successfully, so I'm a wee bit baffled as to what's actually going on
> here.
Likewise (ie, both the modules splat going away if doing a single make and
being baffled, but more that a wee bit).
Paul Bolle
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Odd build breakage in 4.9-rc7 Jarod Wilson <jarod@redhat.com> - 2016-11-30 18:30 +0100
Re: Odd build breakage in 4.9-rc7 Linus Torvalds <torvalds@linux-foundation.org> - 2016-11-30 19:20 +0100
Re: Odd build breakage in 4.9-rc7 Prarit Bhargava <prarit@redhat.com> - 2016-11-30 19:30 +0100
Re: Odd build breakage in 4.9-rc7 Linus Torvalds <torvalds@linux-foundation.org> - 2016-11-30 19:40 +0100
Re: Odd build breakage in 4.9-rc7 Prarit Bhargava <prarit@redhat.com> - 2016-11-30 20:00 +0100
Re: Odd build breakage in 4.9-rc7 Jarod Wilson <jarod@redhat.com> - 2016-11-30 20:10 +0100
Re: Odd build breakage in 4.9-rc7 Linus Torvalds <torvalds@linux-foundation.org> - 2016-11-30 20:40 +0100
Re: Odd build breakage in 4.9-rc7 Nicolas Pitre <nicolas.pitre@linaro.org> - 2016-11-30 23:50 +0100
Re: Odd build breakage in 4.9-rc7 Prarit Bhargava <prarit@redhat.com> - 2016-12-01 13:50 +0100
Re: Odd build breakage in 4.9-rc7 Prarit Bhargava <prarit@redhat.com> - 2016-12-01 15:20 +0100
Re: Odd build breakage in 4.9-rc7 Jarod Wilson <jarod@redhat.com> - 2016-12-01 16:30 +0100
Re: Odd build breakage in 4.9-rc7 Nicolas Pitre <nico@fluxnic.net> - 2016-12-01 00:20 +0100
Re: Odd build breakage in 4.9-rc7 Paul Bolle <pebolle@tiscali.nl> - 2016-11-30 22:00 +0100
Re: Odd build breakage in 4.9-rc7 Jarod Wilson <jarod@redhat.com> - 2016-11-30 22:10 +0100
Re: Odd build breakage in 4.9-rc7 Jarod Wilson <jarod@redhat.com> - 2016-11-30 22:40 +0100
Re: Odd build breakage in 4.9-rc7 Paul Bolle <pebolle@tiscali.nl> - 2016-11-30 22:50 +0100
Re: Odd build breakage in 4.9-rc7 Paul Bolle <pebolle@tiscali.nl> - 2016-11-30 23:00 +0100
Re: Odd build breakage in 4.9-rc7 Jarod Wilson <jarod@redhat.com> - 2016-12-01 00:50 +0100
Re: Odd build breakage in 4.9-rc7 Paul Bolle <pebolle@tiscali.nl> - 2016-12-01 10:10 +0100
Re: Odd build breakage in 4.9-rc7 Paul Bolle <pebolle@tiscali.nl> - 2016-12-01 14:50 +0100
Re: Odd build breakage in 4.9-rc7 Nicolas Pitre <nicolas.pitre@linaro.org> - 2016-12-01 18:50 +0100
Re: Odd build breakage in 4.9-rc7 Paul Bolle <pebolle@tiscali.nl> - 2016-12-01 21:20 +0100
Re: Odd build breakage in 4.9-rc7 Nicolas Pitre <nicolas.pitre@linaro.org> - 2016-12-02 21:20 +0100
Re: Odd build breakage in 4.9-rc7 Jarod Wilson <jarod@redhat.com> - 2016-12-02 23:50 +0100
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