Pluggable frame buffer devices

[Shawn Webb]

On Sunday, February 15, 2015 11:14:47 PM Hans Petter Selasky wrote:
> Hi,
> 
> I've added support for USB display link adapters to FreeBSD-11-current,
> but the kernel panics once "vt_fb_attach(info)" is called from
> "fbd_register(struct fb_info* info)" when the USB device is plugged or
> udl.ko is loaded. Is this a known issue?
> 
> REF: https://svnweb.freebsd.org/base/head/sys/dev/usb/video/udl.c
> 
> --HPS

I just bought a DisplayLink adapter that's compatible. Compiling a new kernel 
with device udl brings this error:

--------------------------------------------------------------
>>> stage 3.2: building everything
--------------------------------------------------------------
linking kernel.debug
udl.o: In function `udl_attach':
/usr/src/sys/dev/usb/video/udl.c:(.text+0xa07): undefined reference to 
`edid_parse'
/usr/src/sys/dev/usb/video/udl.c:(.text+0xa0f): undefined reference to 
`edid_print'
--- kernel.debug ---
*** [kernel.debug] Error code 1

Thanks,

Shawn
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