GNU bug report logs - #27303
Package build phase timer gives incorrect results

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Leo Famulari <leo <at> famulari.name>
To: bug-guix <at> gnu.org
Subject: Package build phase timer gives incorrect results
Date: Sat, 10 Jun 2017 00:24:31 -0400

[Message part 1 (text/plain, inline)]

Building swig on core-updates, I saw this result:

------
BEGIN failed--compilation aborted at runme.pl line 3.
make[3]: *** [../../Makefile:285: perl5_run] Error 2                                                               
make[2]: *** [Makefile:10: check] Error 2                                                        
make[1]: *** [Makefile:252: variables.actionexample] Error 2
make: *** [Makefile:237: check-perl5-examples] Error 2                                                                                                              
make: *** Waiting for unfinished jobs....                            
starting swig testsuite hardlink
starting testsuite cpp2                                                                                                                                                                         starting swig testsuite cpp2                                                                                                                                                                    starting testsuite nlevels4                                                                                                                                                                     starting testsuite nlevels1                                                                                                                                              
test done - OK                                       
make[1]: Leaving directory '/tmp/guix-build-swig-3.0.10.drv-0/swig-3.0.10/CCache'
phase `check' failed after 120675000.0 seconds
builder for `/gnu/store/zyak5xkiqw2y9b6pqb73x2ppr5sj8phg-swig-3.0.10.drv' failed with exit code 1
@ build-failed /gnu/store/zyak5xkiqw2y9b6pqb73x2ppr5sj8phg-swig-3.0.10.drv - 1 builder for `/gnu/store/zyak5xkiqw2y9b6pqb73x2ppr5sj8phg-swig-3.0.10.drv' failed with exit code 1
guix build: error: build failed: build of `/gnu/store/zyak5xkiqw2y9b6pqb73x2ppr5sj8phg-swig-3.0.10.drv' failed  
------

Note that the check phase failed after 120675000.0 seconds. I know it
didn't take 3.8 years.

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Message #10 received at 27303-done <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: Leo Famulari <leo <at> famulari.name>
Cc: 27303-done <at> debbugs.gnu.org
Subject: Re: bug#27303: Package build phase timer gives incorrect results
Date: Sun, 11 Jun 2017 22:55:58 +0200

Hi Leo,

Leo Famulari <leo <at> famulari.name> skribis:

> Building swig on core-updates, I saw this result:
>
> ------
> BEGIN failed--compilation aborted at runme.pl line 3.
> make[3]: *** [../../Makefile:285: perl5_run] Error 2                                                               
> make[2]: *** [Makefile:10: check] Error 2                                                        
> make[1]: *** [Makefile:252: variables.actionexample] Error 2
> make: *** [Makefile:237: check-perl5-examples] Error 2                                                                                                              
> make: *** Waiting for unfinished jobs....                            
> starting swig testsuite hardlink
> starting testsuite cpp2                                                                                                                                                                         starting swig testsuite cpp2                                                                                                                                                                    starting testsuite nlevels4                                                                                                                                                                     starting testsuite nlevels1                                                                                                                                              
> test done - OK                                       
> make[1]: Leaving directory '/tmp/guix-build-swig-3.0.10.drv-0/swig-3.0.10/CCache'
> phase `check' failed after 120675000.0 seconds
> builder for `/gnu/store/zyak5xkiqw2y9b6pqb73x2ppr5sj8phg-swig-3.0.10.drv' failed with exit code 1
> @ build-failed /gnu/store/zyak5xkiqw2y9b6pqb73x2ppr5sj8phg-swig-3.0.10.drv - 1 builder for `/gnu/store/zyak5xkiqw2y9b6pqb73x2ppr5sj8phg-swig-3.0.10.drv' failed with exit code 1
> guix build: error: build failed: build of `/gnu/store/zyak5xkiqw2y9b6pqb73x2ppr5sj8phg-swig-3.0.10.drv' failed  
> ------
>
> Note that the check phase failed after 120675000.0 seconds. I know it
> didn't take 3.8 years.

You sure?  :-)

This is due to the infamous ‘time-monotonic’ bug in Guile 2.2.2, which
is already worked around in (guix build download) and a couple of other
places.

I pushed the fix in 2ac6998063c311799cefb8edbc5b0158230d3877.
Unfortunately that’s a full-rebuild change, but I thought it’s annoying
enough to fix right now.

After that we should start building all the packages on ‘core-updates’.

Thanks,
Ludo’.

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