Re: MEDM issues

["Jennings, Guy" <jennings@aps.anl.gov>]

Having read some man pages I’m less convinced - it looks like the stack is sized in kilobytes, so the default 8192 is
actually 8Mbytes - which is probably plenty.  Still, it can’t hurt to try increasing it!

> On Mar 16, 2015, at 2:06 PM, D Peter Siddons <siddons@bnl.gov> wrote:
> 
> Sounds familiar. I'll try that. I have had that issue with other programs. I think Ubuntu sets it pretty small by default.
> Pete.
> 
> 
> On 03/16/2015 02:58 PM, Jennings, Guy wrote:
>> That sounds very much like a regular stack overflow… I’m not sure how you change stack size -
>> is it ulimit -s ?
>> 
>>> On Mar 16, 2015, at 12:00 PM, Andrew Johnson <anj@aps.anl.gov> wrote:
>>> 
>>> Hi Peter,
>>> 
>>> On 03/15/2015 10:42 AM, D Peter Siddons wrote:
>>>> I've attached a medm screen. I'm having problems with the Bar Monitor
>>>> widget.
>>>> 
>>>> In edit mode:
>>>> 
>>>> Setting direction to "up" gives:
>>>> *** stack smashing detected ***: medm terminated
>>>> 
>>>> Setting display precision to User Specified gives:
>>>> SIGSEGV
>>>> 
>>>> [1]+  Aborted                 (core dumped) medm scintscal.adl
>>>> 
>>>> This is with medm-3.1.9 and epics base-3.14.12.4 on Ubuntu 14.10.
>>> I built medm-3.1.9 on Ubuntu 14.04-LTS and just managed to get a SIGSEGV
>>> from it when playing around with User Specified, but couldn't replicate
>>> it yet when running under gdb.
>>> 
>>> - Andrew
>>> -- 
>>> Light thinks it travels faster than anything but it is wrong.
>>> No matter how fast light travels, it finds the darkness has
>>> always got there first, and is waiting for it.
>>>    -- Terry Pratchett, Reaper Man
>> 
>> 
> 
> -- 
> D. Peter Siddons
> Detector Development Group Leader
> Bldg. 535B
> Photon Sciences Directorate,
> Brookhaven National Laboratory
> Upton, NY 11973
> 
> email: siddons@bnl.gov
> Phone: (631) 344-2738
>