Logging information from inside fb/fb.c

[Warner Losh]

On Oct 22, 2017 8:35 PM, "fire crow" <fire at firecrow.com> wrote:

Hi,
I'm trying to log infirmation about video devices in the `vid_register`
function in `sys/dev/fb/fb.c` and it appears that using `uprintf` is
causing a kernel panic. Is there another logging facility I can use?


Dtrace? Printf may also work better if there is no controlling terminal...
But the panic may be due to recursion into the driver. Try a serial or null
console.

Warner


Thanks
~fire
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