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Add known issue for broken cpio version

Patrik Jakobsson
2016-03-16 10:41:15 +01:00
parent e7cfc45638
commit b098b719cf
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Home.md

@@ -21,7 +21,8 @@ It's a mix of probing, reverse engineering, reading up on similar hardware, gues
# Known issues
* Suspend / resume doesn't work properly. Suspending must be done with the device closed.
* Only firmware version 1.43 (latest OSX El Capitan) works with the driver.
* Only firmware version 1.43 is known to work with the driver. Newer versions might also work but 1.43 is highly recommended.
* Due to a bug in cpio 2.11 the firmware download script doesn't work. cpio 2.12 or later is required. (See: https://bugzilla.redhat.com/show_bug.cgi?id=1318084)
* The driver will complain about 1871_01XX.dat (or similarly named) files missing. This error can be ignored. The .dat files contains sensor calibration settings that will improve image quality. The error looks something like this:
```Direct firmware load for facetimehd/1871_01XX.dat failed with error -2```. Ignore it.
* No /dev/video0 device appears after loading the module. This can be because the bdc_pci module is already loaded. Make sure you unload or blacklist bdc_pci before loading the facetimehd module: ```modprobe -r bdc_pci```.