On Mon, Feb 16, 2015 at 1:33 PM, Hans Petter Selasky <hps_at_selasky.org> wrote: > On 02/16/15 22:30, Mehmet Erol Sanliturk wrote: > >> On Mon, Feb 16, 2015 at 9:10 AM, Hans Petter Selasky <hps_at_selasky.org> >> wrote: >> >> On 02/16/15 16:39, 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 personally can't answer your question. But I'd love to help test this, >>>> especially since Haswell graphics isn't supported, yet, and my laptop is >>>> running Haswell. What would be a good USB display device to buy to help >>>> test >>>> this awesome work out? >>>> >>>> >>> Hi Shawn, >>> >>> I think any USB device that uses the brand name "DisplayLink" will work. >>> >>> Current list of supported devices: >>> >>> /* >>> >>>> * Matching devices. >>>> */ >>>> static const STRUCT_USB_HOST_ID udl_devs[] = { >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_ >>>> LCD4300U, >>>> DL120)}, >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_ >>>> LCD8000U, >>>> DL120)}, >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_ >>>> GUC2020, >>>> DL160)}, >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, >>>> USB_PRODUCT_DISPLAYLINK_LD220, >>>> DL165)}, >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_ >>>> VCUD60, >>>> DL160)}, >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, >>>> USB_PRODUCT_DISPLAYLINK_DLDVI, >>>> DL160)}, >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, >>>> USB_PRODUCT_DISPLAYLINK_VGA10, >>>> DL120)}, >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, >>>> USB_PRODUCT_DISPLAYLINK_WSDVI, >>>> DLUNK)}, >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, >>>> USB_PRODUCT_DISPLAYLINK_EC008, >>>> DL160)}, >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_ >>>> HPDOCK, >>>> DL160)}, >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, >>>> USB_PRODUCT_DISPLAYLINK_NL571, >>>> DL160)}, >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_ >>>> M01061, >>>> DL195)}, >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_ >>>> NBDOCK, >>>> DL165)}, >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, >>>> USB_PRODUCT_DISPLAYLINK_SWDVI, >>>> DLUNK)}, >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, >>>> USB_PRODUCT_DISPLAYLINK_UM7X0, >>>> DL120)}, >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_CONV, >>>> DL160)}, >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_ >>>> PLUGABLE, >>>> DL160)}, >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, >>>> USB_PRODUCT_DISPLAYLINK_LUM70, >>>> DL125)}, >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_ >>>> POLARIS2, >>>> DLUNK)}, >>>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_ >>>> LT1421, >>>> DLUNK)} >>>> }; >>>> >>>> >>> >>> Also see: >>> >>> man udl >>> >>> Some work needs to be done to fully integrate with the VT console >>> subsystem. I had Xorg up and running today with the DisplayLink I >>> adapter I >>> have, and I works quite well. With USB 3.0 ones I think we can expect >>> more. >>> >>> --HPS >>> _______________________________________________ >>> >>> >>> >> >> Will there be support for the devices like the following USB video >> adapters >> ? >> >> >> http://www.amazon.com/gp/product/B00GUE5LGS/ref=s9_ >> simh_gw_p147_d0_i11?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=desktop-2&pf_rd_r= >> 1QXWR8TQVH25A4KZWMDM&pf_rd_t=36701&pf_rd_p=1970566542&pf_rd_i=desktop >> >> >> http://www.amazon.com/gp/product/B00A2E1MQA/ref=s9_ >> simh_gw_p147_d0_i3?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=desktop-2&pf_rd_r= >> 1QXWR8TQVH25A4KZWMDM&pf_rd_t=36701&pf_rd_p=1970566542&pf_rd_i=desktop >> >> >> http://www.amazon.com/gp/product/B00612ZPQA/ref=s9_ >> simh_gw_p147_d0_i2?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=desktop-2&pf_rd_r= >> 1QXWR8TQVH25A4KZWMDM&pf_rd_t=36701&pf_rd_p=1970566542&pf_rd_i=desktop >> >> > Depending on what USB protocol they are using we can add support for them. > Maybe you need to buy one and dump the USB descriptors :-) > > --HPS > > I will attempt to find sample ones ( this may require some time ) and send their descriptors . ( Some of the following are sold in Turkey ) http://www.digitus.info/pt/productos/multimedia/video/usb-grafik-adapter/r-grafikadapter-usb-20-auf-vga-da-70833/ http://www.digitus.info/pt/productos/multimedia/video/usb-grafik-adapter/r-grafikadapter-usb-20-auf-dvi-da-70834/ http://www.digitus.info/pt/productos/multimedia/video/usb-grafik-adapter/usb-20-auf-hdmi-videoadapter-da-70851/ http://www.digitus.info/pt/productos/multimedia/video/usb-grafik-adapter/r-usb-30-zu-vga-adapter-da-70450/ http://www.digitus.info/pt/productos/multimedia/video/usb-grafik-adapter/usb-30-zu-dvi-adapter-da-70451/ http://www.digitus.info/pt/productos/multimedia/video/usb-grafik-adapter/usb-30-zu-hdmi-adapter-da-70452/ http://www.digitus.info/pt/productos/multimedia/video/usb-grafik-adapter/mhl-micro-usb-20-adapterkabel-ak-300305-002-s/ My main aim is to use such devices to attach to a computer extra conventional monitors ( they may be very cheap or already present at hand ) and to divert stdin , stdout , and stderr to different monitors and study outputs during working on GUI desktops and programs to follow their execution steps for their debugging by defining stdin , stdout , stderr ports in boot loader.conf or elsewhere ( I need help on this subject also ) . Thank you very much . Mehmet Erol SanliturkReceived on Mon Feb 16 2015 - 20:51:48 UTC
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