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indigo-astronomy / indigo

INDIGO is a system of standards and frameworks for multiplatform and distributed astronomy software development designed to scale with your needs.
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indigo_ccd_qhy2 crashes the server if launced with the -i option #441

Open Paolo97Gll opened 2 years ago

Paolo97Gll commented 2 years ago

Following the documentation, I launched the indigo_ccd_qhy2 driver using the -i option.

https://github.com/indigo-astronomy/indigo/blob/1b3d02bc82b877853d2093d0ec2ce3f41e18baf8/indigo_drivers/ccd_qhy2/README.md?plain=1#L34-L41

I normally use the following command:

indigo_server --enable-info --disable-bonjour indigo_ccd_asi indigo_ccd_atik -i indigo_ccd_qhy2 indigo_wheel_sx indigo_agent_alpaca

For the test I used the following command.

indigo_server --enable-trace -i indigo_ccd_qhy2  > indigo.log 2>&1

And then the server crashed when I tried to take a 0.1 second shot (it happens also with 0.001, 0.01 and 1). The behaviour is the same that happens with the first ("long") command. Here the log file: indigo.log.

Without the -i option, everything works well and no crash happen. The camera is a QHY5 III 178 mono.

polakovic commented 2 years ago

We'll check it, but for now try to avoid -i switch. For such a fast camera it may slow down everything by many orders of magnitude (because of very inefficient INDI legacy protocol enforced by -i switch).

@rumengb, it looks like a memory overrun in base64 decoding.

Paolo97Gll commented 2 years ago

Ok, thanks!

rumengb commented 2 years ago

@Peter Polakovic @.***> I have checked the problem... it does not crash here but there is another strange issue. Image retrieval hangs until timeout occurs...

08:16:33.070885 indigo_server: Worker thread started socket = 30 08:16:33.070973 indigo_server: 4 clients 08:16:33.112826 indigo_server: GET /blob/0x2fa39f10.fits -> OK (16240320 bytes) 08:16:34.114445 indigo_server: 3 clients 08:16:34.117261 indigo_server: Worker thread finished 08:17:04.917428 indigo_server: indigo_write(24): Broken pipe 08:17:04.928936 indigo_server: Worker thread started socket = 25

I was able to reproduce it with asi too...

On Sat, Feb 12, 2022 at 9:47 PM Paolo Galli @.***> wrote:

Ok, thanks!

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