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<?xml-stylesheet type="text/xsl" href="https://devzone.nordicsemi.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>NRF91DK Board nRF52840 Unable to load/boot Zephyr RTOS</title><link>https://devzone.nordicsemi.com/f/nordic-q-a/43958/nrf91dk-board-nrf52840-unable-to-load-boot-zephyr-rtos</link><description>Hello, thanks for reviewing this. I am trying to install and run Zephyr on the nRF52840 module that is on-board the nRF91 DK board. I have gone through the setup process and get a bus fault error when I flash it, and I have tried several samples. For</description><dc:language>en-US</dc:language><generator>Telligent Community 13</generator><lastBuildDate>Tue, 26 Feb 2019 17:22:29 GMT</lastBuildDate><atom:link rel="self" type="application/rss+xml" href="https://devzone.nordicsemi.com/f/nordic-q-a/43958/nrf91dk-board-nrf52840-unable-to-load-boot-zephyr-rtos" /><item><title>RE: NRF91DK Board nRF52840 Unable to load/boot Zephyr RTOS</title><link>https://devzone.nordicsemi.com/thread/173107?ContentTypeID=1</link><pubDate>Tue, 26 Feb 2019 17:22:29 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:07f40e18-b527-4146-9489-80f1736c082a</guid><dc:creator>OryF</dc:creator><description>&lt;p&gt;Thank you Sigurd! I appreciate this advice. May I ask where I missed this in the documentation? And where I can find info on modifying the required files in general? Thanks, have a great day&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: NRF91DK Board nRF52840 Unable to load/boot Zephyr RTOS</title><link>https://devzone.nordicsemi.com/thread/172978?ContentTypeID=1</link><pubDate>Tue, 26 Feb 2019 10:05:12 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:c7bcd309-1b93-4e34-b5ff-f28f494d3419</guid><dc:creator>Sigurd</dc:creator><description>&lt;p&gt;Hi,&lt;/p&gt;
&lt;p&gt;When you build for board=nrf52840_pca10090, it will load &lt;a href="https://github.com/NordicPlayground/fw-nrfconnect-zephyr/blob/master/boards/arm/nrf52840_pca10090/board.c"&gt;this board control fw.&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;That means that the&amp;nbsp;&lt;a href="https://github.com/NordicPlayground/fw-nrfconnect-zephyr/blob/master/samples/bluetooth/beacon/prj.conf"&gt;prj.conf for the project&lt;/a&gt;, need&amp;nbsp;to include this line:&amp;nbsp;CONFIG_GPIO=y&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: NRF91DK Board nRF52840 Unable to load/boot Zephyr RTOS</title><link>https://devzone.nordicsemi.com/thread/172873?ContentTypeID=1</link><pubDate>Mon, 25 Feb 2019 18:54:27 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:68151740-4451-47d5-8add-5533b0034d35</guid><dc:creator>OryF</dc:creator><description>&lt;p&gt;bump?&lt;br /&gt;&lt;br /&gt;Any other suggestions?&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: NRF91DK Board nRF52840 Unable to load/boot Zephyr RTOS</title><link>https://devzone.nordicsemi.com/thread/172390?ContentTypeID=1</link><pubDate>Thu, 21 Feb 2019 20:51:29 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:7f23db85-879c-4665-a102-34e59370bbcf</guid><dc:creator>OryF</dc:creator><description>&lt;p&gt;The beacon sample as well as the hello world sample. And yes the nRF52 switch is selected&lt;br /&gt;&lt;br /&gt;Update: I saw on &lt;a href="https://docs.zephyrproject.org/latest/samples/hello_world/README.html"&gt;https://docs.zephyrproject.org/latest/samples/hello_world/README.html&lt;/a&gt; that a single thread option existed, so I found a &lt;span class="go"&gt;prj_single.conf in a different zephyr project, and brought it into my hello_world directory. I edited it so that it only disabled multithreading. I installed this on the nRF52840 and it threw the same error with different values&lt;br /&gt;&lt;br /&gt;.***** BUS FAULT *****&lt;br /&gt;&amp;nbsp; Instruction bus error&lt;br /&gt;***** Hardware exception *****&lt;br /&gt;Current thread ID = 0x00000000&lt;br /&gt;Faulting instruction address = 0x1dc0&lt;br /&gt;&lt;/span&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: NRF91DK Board nRF52840 Unable to load/boot Zephyr RTOS</title><link>https://devzone.nordicsemi.com/thread/172315?ContentTypeID=1</link><pubDate>Thu, 21 Feb 2019 13:56:04 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:ff341d2a-f15c-44a4-9364-c8cffc52da04</guid><dc:creator>Sigurd</dc:creator><description>&lt;p&gt;Hi,&lt;/p&gt;
&lt;p&gt;What sample did you test?&lt;/p&gt;
[quote userid="73248" url="~/f/nordic-q-a/43958/nrf91dk-board-nrf52840-unable-to-load-boot-zephyr-rtos"]-DBOARD=nrf52_pca10090[/quote]
&lt;p&gt;I guess that you meant&amp;nbsp;nrf52840_pca10090.&lt;/p&gt;
&lt;p&gt;Did set the switch SW5 to nRF52 ?&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>