-----Original Message-----
From: Michael Davidsaver <mdavidsaver at gmail.com>
Sent: Wednesday, February 28, 2024 4:22 PM
To: Mark Rivers <rivers at cars.uchicago.edu>
Cc: tech-talk at aps.anl.gov
Subject: Re: pvAccess assert error
On 2/28/24 10:49, Mark Rivers wrote:
> Hi Michael,
>
> I sent a message to both tech-talk and core-talk at 4:31 PM CST yesterday.
>
> This is the tech-talk message:
>
https://epics.anl.gov/tech-talk/2024/msg00292.php
>
> This is the core-talk message:
>
https://epics.anl.gov/core-talk/2024/msg00042.php
Ah, this is an issue with MSVC debug builds which Freddie Akeroyd already found and fixed.
This fix is included in pvAccessCPP 7.1.7, which is bundled in epics-base 7.0.8.
> However, I did not actually then receive the message from tech-talk. And it seems like maybe you did not either? It seems like tech-talk archived it but did not send it?
>
> Mark
>
>
> -----Original Message-----
> From: Michael Davidsaver <mdavidsaver at gmail.com>
> Sent: Wednesday, February 28, 2024 12:31 PM
> To: Mark Rivers <rivers at cars.uchicago.edu>
> Subject: Re: pvAccess assert error
>
> Hi Mark,
>
> Am I being dense today? I only see a screen capture attached to your original mail.
>
>
> On 2/28/24 10:25, Mark Rivers wrote:
>> Hi Michael,
>>
>> Thanks for the reply. I sent the full stack trace yesterday.
>>
>> Mark
>>
>>
>> -----Original Message-----
>> From: Michael Davidsaver <mdavidsaver at gmail.com>
>> Sent: Wednesday, February 28, 2024 12:20 PM
>> To: Mark Rivers <rivers at cars.uchicago.edu>
>> Cc:
tech-talk at aps.anl.gov
>> Subject: Re: pvAccess assert error
>>
>> On 2/26/24 16:37, Mark Rivers via Tech-talk wrote:
>>> Folks,
>>>
>>> I am running a new areaDetector camera. It generates frames that are 4096x3072 pixels, 8-bit. I can collect data from the camera at 150 frames/s using a BitFlow CoaXSpress card with no problems. This is
on a Windows PC.
>>>
>>> However, when I try to use pvAccess to read the data from the NDPluginPva plugin I get an assert error in pvAccess in my Windows application. The error message is in the attachment.
>>>
>>> This happens when I use the ImageJ pvAccess plugin, and also when I use the following Linux command on another machine:
>>>
>>> $ pvmonitor 13BF1:Pva1:Image > /dev/null
>>>
>>> Any idea what the problem could be? This is base 7.0.7.
>>
>> At a guess, maybe another size()==0 situations as with:
>>
>>
https://github.com/epics-base/pvDataCPP/issues/50
>>
>> If so, a full stack trace should point at the offending code.
>>
>