Re: Bug#715396: cloud-scripts: Ruby segfault when doing a big rebuild

[David Suárez <david.sephirot@gmail.com>]

On Lunes, 8 de julio de 2013 21:01:25 Sylvestre Ledru escribió:
> Package: qa.debian.org
> Severity: important
> 
> Hello,
> 
> As reported here:
> https://lists.debian.org/debian-qa/2013/07/msg00009.html
> 
> With a big rebuild (between 18 000 to 48 000 packages), the masternode
> script freezes and the Ruby interpreter crashes with a segfault [1].
> 
> Using ulimit -n 8192 does not change the issue.
> 
> A sample task is available on the server here:
> ~/cloud-scripts/merged.sylvestre.json
> 

I stole the tasks you used in the first failed rebuild, but thanks ;)

> [1]
> See the full backtrace:
> ./masternode:192: [BUG] Segmentation fault
> ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-linux]
> 
> -- Control frame information
> ----------------------------------------------- c:0005 p:---- s:0035
> b:0035 l:000034 d:000034 CFUNC  :split
> c:0004 p:0365 s:0031 b:0031 l:000030 d:000030 METHOD ./masternode:192
> c:0003 p:0219 s:0016 b:0016 l:001058 d:000015 BLOCK  ./masternode:247
> c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
> c:0001 p:---- s:0002 b:0002 l:000001 d:000001 TOP
> 
> -- Ruby level backtrace information
> ---------------------------------------- ./masternode:247:in `block (3
> levels) in <main>'
> ./masternode:192:in `execute_one_task'
> ./masternode:192:in `split'
> 

Im waiting until Sylvestre finish with the current rebuild to investigate, but, 
sincerely, I don`t have clue about whats happening here.

Thanks,

David