Linux failures

[Simon Peyton Jones]

Yes, please disable it. Otherwise everyone’s ‘validate’ fails

Simon

From: Thomas Miedema [mailto:thomasmiedema at gmail.com]
Sent: 26 September 2014 17:43
To: Edward Z. Yang
Cc: Simon Peyton Jones; ghc-devs at haskell.org
Subject: Re: Linux failures

Hi,

The user001 is tracked by this bug:
https://ghc.haskell.org/trac/ghc/ticket/1487

This is my fault. I made a patch that reenabled that test some time ago, but it fails under certain conditions. I just proposed a proper solution to the libraries mailinglist<http://www.haskell.org/pipermail/libraries/2014-September/023798.html>. We could also disable the test now, if you don't want to wait at least another 2 weeks.

With apologies,
Thomas



Excerpts from Simon Peyton Jones's message of 2014-09-26 04:37:59 -0700:
> I am getting one persistent failure on Linux:
>
>
> =====> user001(normal) 5 of 29 [0, 0, 0]
>
> cd . && '/5playpen/simonpj/HEAD-2/inplace/bin/ghc-stage2' -fforce-recomp -dcore-lint -dcmm-lint -dno-debug-output -no-user-package-db -rtsopts -fno-ghci-history -o user001 user001.hs  -package unix  >user001.comp.stderr 2>&1
>
> cd . && ./user001    >user001.run.stdout 2>user001.run.stderr
>
> Actual stdout output differs from expected:
>
> --- ./user001.stdout    2014-09-11 08:38:41.000000000 +0100
>
> +++ ./user001.run.stdout      2014-09-26 12:29:52.363884118 +0100
>
> @@ -3,11 +3,11 @@
>
> getEffectiveUserID: OK
>
> getEffectiveGroupID: OK
>
> getGroups: OK
>
> -getLoginName: OK
>
> +getLoginName: ERROR: getLoginName: does not exist (No such file or directory)
>
> getEffectiveUserName: OK
>
> getGroupEntryForID: OK
>
> getGroupEntryForName: OK
>
> getAllGroupEntries: OK
>
> getUserEntryForID: OK
>
> -getUserEntryForName: OK
>
> +getUserEntryForName: ERROR: getLoginName: does not exist (No such file or directory)
>
> getAllUserEntries: OK
>
> *** unexpected failure for user001(normal)
>
> This is in libraries/unix/tests.
>
> I am also getting two failures when I say "sh validate" (runs in parallel).  But when I run them individually, they pass:
>    ghci/should_run             T2589 [bad stdout or stderr] (ghci)
>    ghci/should_run             ghcirun004 [bad stdout or stderr] (ghci)
>
>
> +++ ./ghci/should_run/ghcirun004.run.stderr     2014-09-26 12:06:21.102269076 +0100
>
> @@ -0,0 +1 @@
>
> +ghc-stage2: ioManagerWakeup: write: Bad file descriptor
>
> I don't think these can be caused by my commits, but they should be fixed....  Any offers?
>
> Simon
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