Groups > linux.debian.bugs.dist > #818146

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

From	Ben Hutchings <ben@decadent.org.uk>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#859923: linux-image-4.9.0-2-amd64: mmap system call problem
Date	2017-04-10 18:30 +0200
Message-ID	<tuKmt-341-3@gated-at.bofh.it> (permalink)
References	<tuKmv-341-37@gated-at.bofh.it> <tuigx-1wq-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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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Thread

Bug#859923: linux-image-4.9.0-2-amd64: mmap system call problem Ben Hutchings <ben@decadent.org.uk> - 2017-04-10 18:30 +0200
  Bug#859923: linux-image-4.9.0-2-amd64: mmap system call problem Ben Hutchings <ben@decadent.org.uk> - 2017-04-12 00:40 +0200
    Bug#859923: linux-image-4.9.0-2-amd64: mmap system call problem Fernando Santagata <nando@ipers.net> - 2017-04-12 10:40 +0200
      Bug#859923: linux-image-4.9.0-2-amd64: mmap system call problem Ben Hutchings <ben@decadent.org.uk> - 2017-04-12 19:10 +0200
        Bug#859923: linux-image-4.9.0-2-amd64: mmap system call problem Fernando Santagata <nando@ipers.net> - 2017-04-13 10:30 +0200
        Bug#859923: [Pkg-zsh-devel] Bug#859923: linux-image-4.9.0-2-amd64: mmap system call problem Daniel Shahaf <d.s@daniel.shahaf.name> - 2017-04-13 20:50 +0200

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