[PD] "too many open files" error in 0.48.1

[Claude Heiland-Allen]

On 21/05/18 19:35, ub at xdv wrote:
> hello,
>
> On 20.05.2018 06:50, Liam Goodacre wrote:
>> In 0.48.1 on Ubuntu, I'm getting a horrible scenario where PD refuses to
>> open patches or create any more abstractions for me. I get an error
>> message saying "too many open files". Granted I have a lot open, but
>> this is a serious problem as it means I can't access all of my old
>> performances. They worked fine in 0.47.
>>
>> Any ideas?
> this is not really a problem with pd

I disagree.  The most common cause of "too many open files" is a bug in 
closing files properly, because 1024 simultaneously-open files should be 
enough for most use cases.


Claude

> , but with your shell- or system
> configuration limiting the number of open file descriptors.
>
> check your current shell-limit with
> ulimit -Sn
> -S is for soft limit (you can lower, but not raise, the hard limit).
> raise the limit in your shell with
> ulimit -n 65536
> start pd from that shell and see if the situation improves.
>
> if that doesn't help, you can check the kernel limits with
> cat /proc/sys/fs/file-nr
> which returns 3 numbers, the first of which is the number of open files,
> the last of which is the limit.
>
> increase the value of "nofile" in  /etc/security/limits.conf
> do
> sudo sysctl -p
>
> additional steps are required to make these settings permanent, the
> ulimit -n 65536 would have to go into your .bashrc so it's executed at
> system startup. if you normally start pd from your GUI you'd have to
> restart your system (actually just xorg) so your master shell knows
> about the new value. there's other ways, one of which would be to start
> pd from a wrapper script, or probably gnome provides that sort of
> environmental setup for it's program shortcuts.
>
> there's more information
> -
> https://askubuntu.com/questions/162229/how-do-i-increase-the-open-files-limit-for-a-non-root-user
> -
> https://unix.stackexchange.com/questions/29577/ulimit-difference-between-hard-and-soft-limits
>
> hope that helps ... cheers,
> ub
>
>> Liam
>>
>>
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