On Monday 08 April 2013, Fabian Vogt wrote:
> The latest kernel it seems to get stuck at
> console_lock() in register_framebuffer (drivers/video/fbmem.c:1655)
> if the LCD-controller is enabled. (Early printk and serial console works
> fine)
> CONFIG_NO_HZ is not activated, it works completely.
> Could this be a kernel bug or is this an issue with our timer
> configuration?
This usually happens when the console driver or anything it uses
calls a function that does a printk(), which means you get a recursive
call into the console code and try to get the same lock again.
Arnd
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