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* bug#47759: python-minimal tests hang
@ 2021-04-13 20:38 Danny Milosavljevic
  2021-04-13 21:30 ` Leo Famulari
  0 siblings, 1 reply; 6+ messages in thread
From: Danny Milosavljevic @ 2021-04-13 20:38 UTC (permalink / raw)
  To: 47759

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On x86_64, python-minimal build hangs when running the tests:

$ guix build /gnu/store/gifx79qc77zk88z6gnabj81iksp1xaj9-python-minimal-3.8.2.drv
[...]
1:06:10 load avg: 1.31 running: test_multiprocessing_forkserver (14 min 42 sec)

It's reproducible every time.

$ guix describe
Generation 230  Apr 13 2021 12:15:27    (current)
  guix 822eacc
    repository URL: https://git.savannah.gnu.org/git/guix.git
    branch: master
    commit: 822eacc6bb0878323e6687d4460a7c53066545e1
$ uname -a
Linux dayas 5.11.4-gnu #1 SMP 1 x86_64 GNU/Linux

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^ permalink raw reply	[flat|nested] 6+ messages in thread

* bug#47759: python-minimal tests hang
  2021-04-13 20:38 bug#47759: python-minimal tests hang Danny Milosavljevic
@ 2021-04-13 21:30 ` Leo Famulari
  2021-04-20 12:05   ` Maxim Cournoyer
  2021-04-22 20:29   ` Ludovic Courtès
  0 siblings, 2 replies; 6+ messages in thread
From: Leo Famulari @ 2021-04-13 21:30 UTC (permalink / raw)
  To: Danny Milosavljevic; +Cc: 47759

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On Tue, Apr 13, 2021 at 10:38:17PM +0200, Danny Milosavljevic wrote:
> On x86_64, python-minimal build hangs when running the tests:
> 
> $ guix build /gnu/store/gifx79qc77zk88z6gnabj81iksp1xaj9-python-minimal-3.8.2.drv
> [...]
> 1:06:10 load avg: 1.31 running: test_multiprocessing_forkserver (14 min 42 sec)

Where does this derivation come from? I can't seem to find it on the
machines I have access to.

> $ guix describe
> Generation 230  Apr 13 2021 12:15:27    (current)
>   guix 822eacc
>     repository URL: https://git.savannah.gnu.org/git/guix.git
>     branch: master
>     commit: 822eacc6bb0878323e6687d4460a7c53066545e1
> $ uname -a
> Linux dayas 5.11.4-gnu #1 SMP 1 x86_64 GNU/Linux

------
$ guix describe
Generation 15   Apr 13 2021 23:26:10    (current)
  guix 822eacc
    repository URL: https://git.savannah.gnu.org/git/guix.git
    commit: 822eacc6bb0878323e6687d4460a7c53066545e1
$ guix build --derivations --no-grafts python-minimal 
/gnu/store/qkggqs5pxr9fmczc6gn5rs3d51ykhh36-python-minimal-3.8.2.drv
$ guix build --derivations --no-grafts python-minimal-wrapper
/gnu/store/qvib4wzz542czxfsl7dw4bnlz0kdrm82-python-minimal-wrapper-3.8.2.drv
------

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^ permalink raw reply	[flat|nested] 6+ messages in thread

* bug#47759: python-minimal tests hang
  2021-04-13 21:30 ` Leo Famulari
@ 2021-04-20 12:05   ` Maxim Cournoyer
  2021-04-22 20:29   ` Ludovic Courtès
  1 sibling, 0 replies; 6+ messages in thread
From: Maxim Cournoyer @ 2021-04-20 12:05 UTC (permalink / raw)
  To: Leo Famulari; +Cc: GNU Debbugs, 47759

block 47297 by 47759
thanks

Hi!

Leo Famulari <leo@famulari.name> writes:

> On Tue, Apr 13, 2021 at 10:38:17PM +0200, Danny Milosavljevic wrote:
>> On x86_64, python-minimal build hangs when running the tests:
>> 
>> $ guix build /gnu/store/gifx79qc77zk88z6gnabj81iksp1xaj9-python-minimal-3.8.2.drv
>> [...]
>> 1:06:10 load avg: 1.31 running: test_multiprocessing_forkserver (14 min 42 sec)
>
> Where does this derivation come from? I can't seem to find it on the
> machines I have access to.
>
>> $ guix describe
>> Generation 230  Apr 13 2021 12:15:27    (current)
>>   guix 822eacc
>>     repository URL: https://git.savannah.gnu.org/git/guix.git
>>     branch: master
>>     commit: 822eacc6bb0878323e6687d4460a7c53066545e1
>> $ uname -a
>> Linux dayas 5.11.4-gnu #1 SMP 1 x86_64 GNU/Linux
>
> ------
> $ guix describe
> Generation 15   Apr 13 2021 23:26:10    (current)
>   guix 822eacc
>     repository URL: https://git.savannah.gnu.org/git/guix.git
>     commit: 822eacc6bb0878323e6687d4460a7c53066545e1
> $ guix build --derivations --no-grafts python-minimal 
> /gnu/store/qkggqs5pxr9fmczc6gn5rs3d51ykhh36-python-minimal-3.8.2.drv
> $ guix build --derivations --no-grafts python-minimal-wrapper
> /gnu/store/qvib4wzz542czxfsl7dw4bnlz0kdrm82-python-minimal-wrapper-3.8.2.drv
> ------

I can also reproduce this on the version-1.3.0, building for
armhf-linux.  Another release blocker :-/.

Thanks,

Maxim




^ permalink raw reply	[flat|nested] 6+ messages in thread

* bug#47759: python-minimal tests hang
  2021-04-13 21:30 ` Leo Famulari
  2021-04-20 12:05   ` Maxim Cournoyer
@ 2021-04-22 20:29   ` Ludovic Courtès
  2021-04-22 21:01     ` Maxim Cournoyer
  1 sibling, 1 reply; 6+ messages in thread
From: Ludovic Courtès @ 2021-04-22 20:29 UTC (permalink / raw)
  To: Leo Famulari; +Cc: 47759

Hi!

Leo Famulari <leo@famulari.name> skribis:

> $ guix describe
> Generation 15   Apr 13 2021 23:26:10    (current)
>   guix 822eacc
>     repository URL: https://git.savannah.gnu.org/git/guix.git
>     commit: 822eacc6bb0878323e6687d4460a7c53066545e1
> $ guix build --derivations --no-grafts python-minimal 
> /gnu/store/qkggqs5pxr9fmczc6gn5rs3d51ykhh36-python-minimal-3.8.2.drv
> $ guix build --derivations --no-grafts python-minimal-wrapper
> /gnu/store/qvib4wzz542czxfsl7dw4bnlz0kdrm82-python-minimal-wrapper-3.8.2.drv

FWIW, berlin has binaries for x86_64 and armhf (the two you mentioned):

--8<---------------cut here---------------start------------->8---
$ guix time-machine --commit=822eacc6bb0878323e6687d4460a7c53066545e1 -- build python-minimal --no-grafts -s x86_64-linux -s armhf-linux -d
/gnu/store/y9g688q1ffk6gbyiwda3pw5wb29q0a2x-python-minimal-3.8.2.drv
/gnu/store/qkggqs5pxr9fmczc6gn5rs3d51ykhh36-python-minimal-3.8.2.drv
$ guix time-machine --commit=822eacc6bb0878323e6687d4460a7c53066545e1 -- build python-minimal --no-grafts -s x86_64-linux -s armhf-linux 
/gnu/store/c7s4wslhi6idzprnnigabw8bz4lp7gn8-python-minimal-3.8.2
/gnu/store/z3zxs5pynvnq7mcpsr1nkh5hbb9hicf5-python-minimal-3.8.2
$ guix time-machine --commit=822eacc6bb0878323e6687d4460a7c53066545e1 -- weather python-minimal -s x86_64-linux -s armhf-linux 
computing 1 package derivations for armhf-linux...
computing 1 package derivations for x86_64-linux...
looking for 2 store items on https://ci.guix.gnu.org...
https://ci.guix.gnu.org
  100.0% substitutes available (2 out of 2)
  at least 67.2 MiB of nars (compressed)
  153.0 MiB on disk (uncompressed)
  0.085 seconds per request (0.2 seconds in total)
  11.8 requests per second

  at least 1,000 queued builds
      aarch64-linux: 1000 (100.0%)
  build rate: 36.16 builds per hour
      x86_64-linux: 8.38 builds per hour
      i686-linux: 20.25 builds per hour
      aarch64-linux: 8.93 builds per hour
--8<---------------cut here---------------end--------------->8---

I also rebuilt it locally on my x86_64 laptop and it ran to completion
(although there’s a bitwise reproducibility issue):

--8<---------------cut here---------------start------------->8---
$ time guix time-machine --commit=822eacc6bb0878323e6687d4460a7c53066545e1 -- build python-minimal --check --no-grafts -v1
La jena derivo estos konstruata:
   /gnu/store/qkggqs5pxr9fmczc6gn5rs3d51ykhh36-python-minimal-3.8.2.drv

building /gnu/store/qkggqs5pxr9fmczc6gn5rs3d51ykhh36-python-minimal-3.8.2.drv...
- 'compress-documentation' phaseguix build: error: derivation `/gnu/store/qkggqs5pxr9fmczc6gn5rs3d51ykhh36-python-minimal-3.8.2.drv' may not be deterministic: output `/gnu/store/z3zxs5pynvnq7mcpsr1nkh5hbb9hicf5-python-minimal-3.8.2' differs

real    9m45.336s
user    0m3.490s
sys     0m0.289s
--8<---------------cut here---------------end--------------->8---

So… no problem?  Or perhaps it’s a function of the number of cores or
something?  (Here that’s with 2 cores/4 threads.)

Ludo’.




^ permalink raw reply	[flat|nested] 6+ messages in thread

* bug#47759: python-minimal tests hang
  2021-04-22 20:29   ` Ludovic Courtès
@ 2021-04-22 21:01     ` Maxim Cournoyer
  2021-05-01  3:45       ` Maxim Cournoyer
  0 siblings, 1 reply; 6+ messages in thread
From: Maxim Cournoyer @ 2021-04-22 21:01 UTC (permalink / raw)
  To: Ludovic Courtès; +Cc: 47759

Hi,

Ludovic Courtès <ludo@gnu.org> writes:

> Hi!
>
> Leo Famulari <leo@famulari.name> skribis:
>
>> $ guix describe
>> Generation 15   Apr 13 2021 23:26:10    (current)
>>   guix 822eacc
>>     repository URL: https://git.savannah.gnu.org/git/guix.git
>>     commit: 822eacc6bb0878323e6687d4460a7c53066545e1
>> $ guix build --derivations --no-grafts python-minimal 
>> /gnu/store/qkggqs5pxr9fmczc6gn5rs3d51ykhh36-python-minimal-3.8.2.drv
>> $ guix build --derivations --no-grafts python-minimal-wrapper
>> /gnu/store/qvib4wzz542czxfsl7dw4bnlz0kdrm82-python-minimal-wrapper-3.8.2.drv
>
> FWIW, berlin has binaries for x86_64 and armhf (the two you mentioned):
>
> $ guix time-machine --commit=822eacc6bb0878323e6687d4460a7c53066545e1 -- build python-minimal --no-grafts -s x86_64-linux -s armhf-linux -d
> /gnu/store/y9g688q1ffk6gbyiwda3pw5wb29q0a2x-python-minimal-3.8.2.drv
> /gnu/store/qkggqs5pxr9fmczc6gn5rs3d51ykhh36-python-minimal-3.8.2.drv
> $ guix time-machine --commit=822eacc6bb0878323e6687d4460a7c53066545e1 -- build python-minimal --no-grafts -s x86_64-linux -s armhf-linux 
> /gnu/store/c7s4wslhi6idzprnnigabw8bz4lp7gn8-python-minimal-3.8.2
> /gnu/store/z3zxs5pynvnq7mcpsr1nkh5hbb9hicf5-python-minimal-3.8.2
> $ guix time-machine --commit=822eacc6bb0878323e6687d4460a7c53066545e1 -- weather python-minimal -s x86_64-linux -s armhf-linux 
> computing 1 package derivations for armhf-linux...
> computing 1 package derivations for x86_64-linux...
> looking for 2 store items on https://ci.guix.gnu.org...
> https://ci.guix.gnu.org
>   100.0% substitutes available (2 out of 2)
>   at least 67.2 MiB of nars (compressed)
>   153.0 MiB on disk (uncompressed)
>   0.085 seconds per request (0.2 seconds in total)
>   11.8 requests per second
>
>   at least 1,000 queued builds
>       aarch64-linux: 1000 (100.0%)
>   build rate: 36.16 builds per hour
>       x86_64-linux: 8.38 builds per hour
>       i686-linux: 20.25 builds per hour
>       aarch64-linux: 8.93 builds per hour
>
>
> I also rebuilt it locally on my x86_64 laptop and it ran to completion
> (although there’s a bitwise reproducibility issue):
>
> $ time guix time-machine --commit=822eacc6bb0878323e6687d4460a7c53066545e1 -- build python-minimal --check --no-grafts -v1
> La jena derivo estos konstruata:
>    /gnu/store/qkggqs5pxr9fmczc6gn5rs3d51ykhh36-python-minimal-3.8.2.drv
>
> building /gnu/store/qkggqs5pxr9fmczc6gn5rs3d51ykhh36-python-minimal-3.8.2.drv...
> - 'compress-documentation' phaseguix build: error: derivation `/gnu/store/qkggqs5pxr9fmczc6gn5rs3d51ykhh36-python-minimal-3.8.2.drv' may not be deterministic: output `/gnu/store/z3zxs5pynvnq7mcpsr1nkh5hbb9hicf5-python-minimal-3.8.2' differs
>
> real    9m45.336s
> user    0m3.490s
> sys     0m0.289s
>
> So… no problem?  Or perhaps it’s a function of the number of cores or
> something?  (Here that’s with 2 cores/4 threads.)

For me it seems to happen only when using QEMU transparent emulation,
e.g. to build it for armhf-linux on an amd64 machine.

Danny, are you still able to reproduce this problem from the master
branch, without using QEMU emulation?

Thank you,

Maxim




^ permalink raw reply	[flat|nested] 6+ messages in thread

* bug#47759: python-minimal tests hang
  2021-04-22 21:01     ` Maxim Cournoyer
@ 2021-05-01  3:45       ` Maxim Cournoyer
  0 siblings, 0 replies; 6+ messages in thread
From: Maxim Cournoyer @ 2021-05-01  3:45 UTC (permalink / raw)
  To: Ludovic Courtès; +Cc: GNU Debbugs, 47759

unblock 47297 by 47759
thanks

A first RC1 release candidate with the 5 supported architectures could
be produced without this bug being a blocker.  The key was in using real
hardware rather than QEMU emulation.

Unblocking.

Maxim




^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2021-05-01  3:46 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-04-13 20:38 bug#47759: python-minimal tests hang Danny Milosavljevic
2021-04-13 21:30 ` Leo Famulari
2021-04-20 12:05   ` Maxim Cournoyer
2021-04-22 20:29   ` Ludovic Courtès
2021-04-22 21:01     ` Maxim Cournoyer
2021-05-01  3:45       ` Maxim Cournoyer

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