After removing the new SDK files from Linux Macbook in order to test the camera again with the old SDK, the QHY5L-ii camera was not being recognized on the Linux machine at all. Both cameras, on both USB ports, LED does not light up, no dmesg messages either.
Tried on another Linux machine - Acer running Ubuntu 16 - without any drivers installed - again, no dmesg messages.
Tried changing the USB cable - then a dmesg message was seen, detecting on a 'slow port'. Tried on the Macbook again after reinstalling the new SDK, now it was showing dmesg messages as well as LED lighting up - detected OK. Changed back to the original USB cable - everything still OK.
So, probably a combination of hardware and firmware issues.
Tried on another Linux machine - Acer running Ubuntu 16 - without any drivers installed - again, no dmesg messages.
Tried changing the USB cable - then a dmesg message was seen, detecting on a 'slow port'. Tried on the Macbook again after reinstalling the new SDK, now it was showing dmesg messages as well as LED lighting up - detected OK. Changed back to the original USB cable - everything still OK.
So, probably a combination of hardware and firmware issues.
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