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Bug#859923: linux-image-4.9.0-2-amd64: mmap system call problem



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On Sun, 2017-04-09 at 12:09 +0200, Fernando Santagata wrote:
[...]
> The last line in dmesg is:
> 
> [  503.531581] mmap: java (6830): VmData 134582272 exceed data ulimit
> 134217728. Update limits or use boot option ignore_rlimit_data.
> 
> but
> 
> $ ulimit
> unlimited

ulimit with no options shows the file size limit, not the data size
limit.

> I think this is related to this thread in the linux-mm mailing list, dating
> back to kernel version 4.7, the first one that exibits this behavior:
> 
> https://lists.gt.net/linux/kernel/2528084
> 
> This error shows even when using concurrent programming under Perl6, so it
> seems to be really related to sharing memory.
> 
> The last usable kernel in this respect is version 4.6.

The warning message tells you how to work around this (add kernel
parameter 'ignore_rlimit_data').  Doesn't that work?

Ben.

-- 
Ben Hutchings
73.46% of all statistics are made up.

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