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The 696 MHz operating point of the phyCORE-i.MX 6UL is not supported.
- The DVFS pin to switch VDD_ARM_SOC from 1.4 V to 1.3 V on phyCORE-i.MX 6UL/6ULL is already included in the device tree but not yet supported in the kernel. But DVFS with internal LDOs is already supported.
- When booting from MMC, sometimes (about 5 in 1000) barebox and kernel fail to attach the NAND devices.
- ADC provides uncalibrated values.
- Booting the root filesystem over NFS is not possible.
- TFTP in kernel is slow, but UDP in general is not affected.
- Multimedia page is removed from QT5 Demo.
- QT5 Demo is only working correctly on the 7" displays, smaller displays need adaptation.
- Starting and stopping the QT5 demo influences the consoleblank parameter.
- When returning from suspend to RAM (mem or standby) the display might not work correctly.
- Suspend to RAM (freeze) does not work correctly.
- RS485 is only working correctly in raw mode (stty -F /dev/ttymxc4 raw echo -echoe -echok -echoctl -echoke).
- The TiwiBLE chip sometimes requests a restart of the firmware which leads to a backtrace dump. The connection is reastablished reestablished afterwards and transfers continued.
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