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petalinux-boot cannot find fpga device



Now I got this problem 

$petalinux-boot --jtag --prebuilt 2

INFO: Launching XSDB for file download and boot.

INFO: This may take a few minutes, depending on the size of your image.

rlwrap: warning: your $TERM is 'xterm-256color' but rlwrap couldn't find it in the terminfo database. Expect some problems.: Inappropriate ioctl for device

INFO: Configuring the FPGA...                                                   

INFO: Downloading bitstream to the target.

No supported FPGA device found

    invoked from within

"::tcf::eval -progress ::xsdb::print_progress {::tcf::cache_enter tcfchan#0 {tcf_cache_eval {process_tcf_actions_cache_client ::tcfclient#0::arg}}}"

    (procedure "::tcf::cache_eval_with_progress" line 2)

    invoked from within

"::tcf::cache_eval_with_progress [dict get $arg chan] 

  1. $progress"

    (procedure "process_tcf_actions" line 1)

    invoked from within

"process_tcf_actions $arg ::xsdb::print_progress"

    (procedure "fpga" line 392)

    invoked from within

"fpga "/home/dake/Documents/zybo/plnx/Digilent-Zybo-Linux-BD-v2015.4/pre-built/linux/implementation/download.bit""

    (file "/tmp/tmp.yC3qFEEdKA" line 5)

INFO: The XSDB log is as follows

attempting to launch hw_server


****** Xilinx hw_server v2015.4

  **** Build date : Nov 18 2015-09:53:32

    ** Copyright 1986-1999, 2001-2015 Xilinx, Inc. All Rights Reserved.


INFO: hw_server application started

INFO: Use Ctrl-C to exit hw_server application


INFO: To connect to this hw_server instance use url: TCP:


It says no FPGA device found, but I have installed adpet runtime and util, and I can see this board as

$ sudo djtgcfg enum

Found 1 device(s)


Device: Zybo

    Product Name:   Digilent Zybo

    User Name:      Zybo

    Serial Number:  210279760033

Do I need to install some driver for petalinux?


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well, I am using vivado 2015.4 on linux. UG973 says you need to run install_drivers manually with sudo to install the driver..

Ok, I did that, but I still didnot see /dev/windrvr6 device, And I checked the install_drivers directory, it is suspiciously empty, only two rules files and two simple script to copy them. What should be the right solution?

Many thanks.

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The Zybo will show up as a ttyUSB device. To find out which device is the Zybo run 

ls /dev

Then plug in the Zybo and rerun the command. By comparing the outputs of the two you should be able to find the new entry in the directory. The new entry is the serial port of the Zybo.

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