Re: Occasional crash when running --capture-image-and-download

Hi,

On Sun, Mar 29, 2020 at 11:58:59AM -0700, Brian Hulette wrote:
> Hi all,
> I'm working on setting up a timelapse photography rig by running gphoto2 on
> an RPi Zero W to control a Canon EOS 1100D. Unfortunately, I've run into
> some issues: occasionally when I run `gphoto2 --capture-image-and-download`
> in an ssh session the process seems to kill the entire RPi. I turned on
> debug logging to capture what is happening just before one such crash
> (attached).
> 
> I was wondering if anybody here could provide some insight into what is
> going on, or at least direct me to what I could do to debug further.
> 
> Thanks!
> Brian

> 1.641046 camera_trigger_canon_eos_capture(2): focusing - read event type 3
> 1.641225 camera_trigger_canon_eos_capture(2): focusing - read event type 3
> 1.642534 camera_trigger_canon_eos_capture(2): focusing - read event type 0
> 1.642896 ptp_usb_sendreq             (2): Sending PTP_OC 0x9128 (PTP_OC_CANON_EOS_RemoteReleaseOn) (0x2,0x0) request...
> 1.643419 ptp_usb_getresp             (2): Reading PTP_OC 0x9128 (PTP_OC_CANON_EOS_RemoteReleaseOn) response...

The last printed command does not seem a weird step. Nothing big is transfered 
or special is happening.

Is there anything weird printed in the syslog if you can get at that?

Ciao, Marcus