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Thanks for your updates. Unfortunately, in my case, the picoscope executable still exits early with a 126 error code.

Trying to debug this, the 'picoscope' executable actually links to /opt/picoscope/bin/picoscope, which is a bash script, which uses the notify-send tool and then runs the following command:

//opt/picoscope/lib/PicoScope.GTK $@ 2>&1 >/dev/null 2>&1 >/dev/null $@ 2>&1 >/dev/null 2>&1 >/dev/null

the redirections explain why I get no message at all when running it from the command line.

So, next I tried running /opt/picoscope/lib/PicoScope.GTK directly. But it can't be run: the permissions set for this file are:

-rw-r--r-- 1 root root

And error 126 from bash seems also to indicate a permission error, it just didn't click until I looked further as I didn't know that 'picoscope' was a bash script.

What's up with these permissions in /opt/picoscope/lib ?

Hey all, thanks for raising the issues. Picotech finally brought the stable in line with the Early Access, and I could remove the troublesome gtk-sharp dependency and apply the same library install fixes as on the Early Access. A quick test with my 3203D on Manjaro looks good. Let me know if anything is still broken.

same here, I see the below excerpt from generator error report...

<event time="17/04/25 07:52:28.093" category="ApplicationInfo" level="Info">Application 'PicoScope 7 T&M' (version 7.1.50.5594 X64) starting.</event> <event time="17/04/25 07:52:28.111" category="ID" level="Info">1B8DE91210AEB3DAA057C8B9F476AA89</event> <event time="17/04/25 07:52:28.112" category="Environment" level="Info">Failed to detect access rights</event> <event time="17/04/25 07:52:28.116" category="Environment" level="Info">OS Version - Linux Arch Linux</event> <event time="17/04/25 07:52:28.116" category="Environment" level="Info">.net Version - 9.0.4</event> <event time="17/04/25 07:52:28.117" category="ApplicationInfo" level="Info">Settings file version - 11.5.1</event> <event time="17/04/25 07:52:28.117" category="ApplicationInfo" level="Info">Preferences file version - 2.0.0</event> <event time="17/04/25 07:52:28.117" category="ApplicationInfo" level="Info">Probes file version - 1.0.0</event> <event time="17/04/25 07:52:28.117" category="ApplicationInfo" level="Info">Data file binary header version - 1</event> <event time="17/04/25 07:52:28.530" category="Environment" level="Info">Loaded libusb-1.0 ver. 1.0.28.11946</event> <event time="17/04/25 07:52:28.531" category="Environment" level="Info">USB Hotplug available</event> <event time="17/04/25 07:52:28.602" level="Info">Using default culture: English (United States).</event> <event time="17/04/25 07:52:28.934" category="Device" level="Info">Attempting to load psospa</event> <event time="17/04/25 07:52:28.935" level="Info">Checking driver 'psospa' exists in executable path '/opt/picoscope/lib/</event> <event time="17/04/25 07:52:28.936" level="Info">Driver not found 'psospa'</event> <event time="17/04/25 07:52:28.936" category="Device" level="Info">Finished loading psospa</event> <event time="17/04/25 07:52:28.936" level="Error">Driver for model PSOSPA not available, code DllNotFound</event> <event time="17/04/25 07:52:29.732" category="Exception" level="Error">Exception:System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.DllNotFoundException: Unable to load shared library 'picocv' or one of its dependencies. In order to help diagnose loading problems, consider using a tool like strace. If you're using glibc, consider setting the LD_DEBUG environment variable: /opt/picoscope/lib/picocv.so: cannot open shared object file: No such file or directory /opt/picoscope/lib/libpicocv.so: cannot enable executable stack as shared object requires: Invalid argument /opt/picoscope/lib/picocv: cannot open shared object file: No such file or directory /opt/picoscope/lib/libpicocv: cannot open shared object file: No such file or directory

at Pico.Interop.OpenCV.Imports.InspectData(IntPtr dataPtr, Int32 length, Int32& width, Int32& height, Int32& channels) at Pico.Interop.OpenCV.PicoCV.PcvImage.InspectData(Byte[] data, Int32& width, Int32& heigth, Int32& channels) at PICM..(Byte[], Int32&, Int32&, Int32&) at Pico.Interop.Common.Drawing.PicoCVImageFactory.FromResourceId(String id) at Pico.Services.Themes.ThemedIcon1..ctor(String maskResourceId) at Pico.Services.Themes.UpDownIcon1..ctor(String maskResourceId) at PSV.ic..ctor(String a) at PSV.id.CreateThemedIcon(String a) at Pico.Services.Themes.ThemedIconProvider2.GetImage(String maskResourceId, ThemedIconState state, Nullable1 color) at PicoScope.GTK.Controls.Themed.PlusMinusImage.GetImage(String resourceId, ThemedIconState state) at PicoScope.GTK.Controls.Themed.ThemedImageBase.UpdateIcon() at PicoScope.GTK.Controls.Themed.ThemedImageBase.SetSizeRequest(Int32 width, Int32 height) at PicoScope.GTK.Controls.Themed.ThemedImageBase..ctor(Action1 callbackRegistrar, Action1 callbackRemover, String maskResourceId, Boolean isInverted, Int32 width, Int32 height)...

Still no luck with 7.1.50. The app exits immediately, I get this message in the journal, with no further detail that I could find:

app-picotech\x2dpicoscope@aafdfd5be40244f6be93b93aa7b0902a.service: Main process exited, code=exited, status=126/n/a

The crash now seems to occur because the picocv assembly is not found. This is the error I get:

(PicoScope.GTK:41836): Gtk-CRITICAL **: 14:15:55.251: gtk_main_quit: assertion 'main_loops != NULL' failed
[ERROR] FATAL UNHANDLED EXCEPTION: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.DllNotFoundException: picocv assembly:<unknown assembly> type:<unknown type> member:(null)
  at (wrapper managed-to-native) Pico.Interop.OpenCV.Imports.InspectData(intptr,int,int&,int&,int&)
  at Pico.Interop.OpenCV.PicoCV.PcvImage.InspectData (System.Byte[] data, System.Int32& width, System.Int32& heigth, System.Int32& channels) [0x00014] in <ef5590eb7b8fc57912aa45e68dc07163>:0
  at Pico.Interop.Common.Drawing.PicoCVImageFactory.FromResourceId (System.String id) [0x0003d] in <1e742560f91a5a6ac7dd462358ae3f6c>:0
  at Pico.Services.Themes.ThemedIcon`1[TImage]..ctor (System.String maskResourceId) [0x0004b] in <31116f9be9169880b5629966a99e4925>:0
  at Pico.Services.Themes.UpDownIcon`1[TImage]..ctor (System.String maskResourceId) [0x00000] in <31116f9be9169880b5629966a99e4925>:0
  at PSV.hx..ctor (System.String a) [0x00000] in <9f7e35a9e29a33ee18c58ffc9bfba9ae>:0
...

Right now picoscope 7 crash even with gtk-sharp-3 2.99.3-5

A fix for that issue is inbound in the next update. It's already in the beta channel since a while

Ditto, same issue. Was going to post a comment about it, and saw there were already 8. :)

Hello,

I faced the exact same issue and I also was able to solve it by downgrading gtk-sharp to version 2.99.3-5.

Thanks rc0r for the hint :-)

I tried picoscope7beta yesterday after all my other unsuccessful attempts. Unfortunately, it crashes with the same exception.

On my system gtk-sharp-3 is only used by Picoscope so it might be possible to explicitly specify the last known working gtk-sharp-3 version in the PKGBUILD file of Picoscope to work around the problem until it's fixed upstream. However, this might of course not be the right thing to do for other setups that have dependencies on an up-to-date gtk-sharp-3.