Mac OS 11 Big Sur is a no no for Firewire

Questions, comments and suggestions regarding Phase One P+ series and P series digital camera backs.

Mac OS 11 Big Sur is a no no for Firewire

Postby Ulf » Fri Dec 11, 2020 2:26 pm

With the release of Capture One 21 comes official support for macOS 11 Big Sur. However, it is important that we make you acutely aware of a warning in the release notes:

• Tethering via Firewire is not supported with macOS 11 (Big Sur)

To be more specific, when a Phase One back is connected via FireWire, the computer will experience a kernel panic. Therefore, any user who relies on FireWire connection should not upgrade to macOS 11.
We have also reports that this is a system wide issue in Mac OS 11 which also affects other firewire based devices.

Additional notes:

• USB connections are not affected and remain fully supported ( Any IQ series Camera backs )
• Only Capture One 21 is currently supported under macOS 11 but the issue is not related to Capture One as this issue does not exist under macOS 10.15 on Capture One 21, 20 or earlier.
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Re: Mac OS 11 Big Sur is a no no for Firewire

Postby NNN634573082992641164 » Sat Dec 12, 2020 9:02 pm

Hello.
Thanx for the report. I've just discover the problem by the crash of my computer.
So I've to downgrade to Catalina.

But the big question is : "will the Firewire connection never work on MacOs Big Sur or have we to wait an update from Apple?"

I've just sent a report to Apple but if they don't put an update for us (all the Firewire DB photographer), it's a kind of disaster.

Thanx.
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