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bug#13958: Failing net-db.test on armv5tel glibc 2.17
From: |
Ludovic Courtès |
Subject: |
bug#13958: Failing net-db.test on armv5tel glibc 2.17 |
Date: |
Fri, 15 Mar 2013 14:48:37 +0100 |
User-agent: |
Gnus/5.130005 (Ma Gnus v0.5) Emacs/24.2 (gnu/linux) |
Lluís Batlle i Rossell <address@hidden> skribis:
> On Fri, Mar 15, 2013 at 02:36:40PM +0100, Ludovic Courtès wrote:
>> Lluís Batlle i Rossell <address@hidden> skribis:
[...]
>> > 16993
>> > open("/nix/store/83fff5psdwad2vcy44lv5gwyzfmj4433-glibc-2.17/lib/libnss_myhostname.so.2",
>> > O_R
>> > DONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
>>
>> This is most likely the culprit. Presumably you forgot to add
>> libnss_myhostname to $LD_LIBRARY_PATH, no?
>>
>> Also, what does /etc/nsswitch.conf look like?
>
> The hosts line:
> hosts: files dns myhostname
OK. I wonder if adding a [NOTFOUND=...] clause could help.
> Ok, so the source of that bad-handled message is a NSS problem in nix builds
> without chroot.
Yes, it’s reading an NSS configuration that cannot be used.
> What should be the proper user program reaction to that EAI_AGAIN + errno?
Ideally Guile would propagate the errno value. But in your case it’s
ENOENT, so the error message would be like:
failed to resolve host name: No such file or directory
This is not really more helpful than:
failed to resolve host name: System error
(That’s part of the reason why exceptions were invented. :-))
To me, that example is an argument in favor of the status quo in
Guile—i.e., keeping EAI_SYSTEM handling as it is.
Thoughts?
Ludo’.