On Friday, February 20, 2015 09:29:20 AM Hans Petter Selasky wrote: > On 02/20/15 02:15, Shawn Webb wrote: > > On Thursday, February 19, 2015 07:04:50 PM Shawn Webb wrote: > >> 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: > Hi, > > You need to also build the "sys/modules/videomode" and install and kldload. > > Does your device need a power supply? > > Can you plug the device through an external USB HUB after boot? > > Also you need some VT patches, before it will attach to VT which I can > send you. See attachment. > > Beware the unplugging the device is not supported. It will crash / panic > which needs to be resolved. > > --HPS
(FYI: I'm switching email accounts from latt...@gmail.com to shawn.w...@hardenedbsd.org) So I'm a little unsure how to test this. Could you provide some instructions? I bought this device: http://www.iogear.com/support/dm/driver/GUC2020DW6 It's listed in udl.c as supported: https://svnweb.freebsd.org/base/head/sys/dev/usb/video/udl.c?revision=278852&view=markup#l151 What kind of setup should I have in my xorg.conf to tell xorg to use that instead of the built-in laptop display? Can you provide an example xorg.conf? -- Shawn Webb HardenedBSD GPG Key ID: 0x6A84658F52456EEE GPG Key Fingerprint: 2ABA B6BD EF6A F486 BE89 3D9E 6A84 658F 5245 6EEE
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