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

[ub@xdv]

On 21.05.2018 20:54, Claude Heiland-Allen wrote:
> 
> 
> 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, 
possible. never occured to me. is it in the issue tracker?

> because 1024 simultaneously-open files should be
> enough for most use cases.definitely, but when someone says "Granted I have a lot open", that
could be an understatement. or a regression of some sort.


> 
> 
> 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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>>
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