<div dir="ltr">Thanks for the update Simon.<br></div><br><div class="gmail_quote">On Sun, Apr 19, 2015 at 10:54 PM Simon Marlow <<a href="mailto:marlowsd@gmail.com">marlowsd@gmail.com</a>> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Michael,<br>
<br>
This rang a bell for me. It might be the same as these:<br>
<a href="https://ghc.haskell.org/trac/ghc/ticket/7695" target="_blank">https://ghc.haskell.org/trac/ghc/ticket/7695</a><br>
<a href="https://ghc.haskell.org/trac/ghc/ticket/8928" target="_blank">https://ghc.haskell.org/trac/ghc/ticket/8928</a><br>
<br>
I think the conclusion was that the IO library is failing to start<br>
iconv, and printing the error messages causes it to retry loading iconv,<br>
ad infinitum (or something like that). There's no fix yet, but it<br>
probably isn't hard to fix, just that nobody got around to it yet.<br>
<br>
Cheers,<br>
Simon<br>
<br>
On 13/04/2015 11:50, Michael Snoyman wrote:<br>
> I'm not sure if this issue would show up, but I can try it in Fedora<br>
> tomorrow. I didn't address the linker warning at all right now, it seems<br>
> to not have been triggered, though I suppose it is possible that it's<br>
> the cause of this issue.<br>
><br>
> On Mon, Apr 13, 2015 at 7:10 PM Greg Weber <<a href="mailto:greg@gregweber.info" target="_blank">greg@gregweber.info</a><br>
> <mailto:<a href="mailto:greg@gregweber.info" target="_blank">greg@gregweber.info</a>>> wrote:<br>
><br>
> Haskell is not that great at producing statically linked libraries<br>
> independent of the OS.<br>
> The issue you are running into would likely show up in another<br>
> non-ubuntu image (or even possibly a different version of an ubuntu<br>
> image), so you could probably use a Fedora image that has tracing.<br>
><br>
> How are you addressing the linker warning about needing a particular<br>
> glibc version at runtime?<br>
><br>
> On Mon, Apr 13, 2015 at 3:28 AM, Sharif Olorin<br>
> <<a href="mailto:sharif.olorin@gmail.com" target="_blank">sharif.olorin@gmail.com</a> <mailto:<a href="mailto:sharif.olorin@gmail.com" target="_blank">sharif.olorin@gmail.com</a>>> wrote:<br>
><br>
> Unfortunately, strace and ltrace aren't available in that<br>
> Docker image, but it's a good idea to see if I can get them<br>
> running there somehow.<br>
><br>
><br>
> Failing that, you might be able to get useful information of the<br>
> same kind by running docker (the server, not the `docker run`<br>
> command) under perf[0] and then running your busybox container.<br>
> It should at least give you an idea of what it's doing when it<br>
> explodes.<br>
><br>
> Sharif<br>
><br>
> [0]: <a href="https://perf.wiki.kernel.org/index.php/Tutorial" target="_blank">https://perf.wiki.kernel.org/index.php/Tutorial</a><br>
><br>
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