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    <title>i.MX Processorsのトピックimx6 kernel3.10  kernel3.14 kernel4.1.15 （console [ttymxc0] enabled） too slow issue</title>
    <link>https://community.nxp.com/t5/i-MX-Processors/imx6-kernel3-10-kernel3-14-kernel4-1-15-console-ttymxc0-enabled/m-p/679960#M104990</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;I&amp;nbsp; find kernel booting on imx6,&amp;nbsp; register console very slow（&lt;STRONG&gt;console [ttymxc0] enabled&lt;/STRONG&gt;）.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/20145iCFA5824ADD2E372A/image-size/large?v=v2&amp;amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I find the following versions of kernel（kernel3.10.53&amp;nbsp; 3.14&amp;nbsp; 4.1.15） all have this problem.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;please check the log（when&lt;STRONG&gt; console&amp;nbsp; enabled&lt;/STRONG&gt;）。&lt;/P&gt;&lt;P&gt;&lt;A class="link-titled" href="http://www.variscite.com/support-forum/viewtopic.php?t=291" title="http://www.variscite.com/support-forum/viewtopic.php?t=291"&gt;Android-LL-5.0.2 R3 Random Lockups (freezing) of Kernel - Variscite Forums&lt;/A&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;A class="link-titled" href="https://isojed.nl/blog/wp-content/uploads/2016/12/CHIP-dmesg.pdf" title="https://isojed.nl/blog/wp-content/uploads/2016/12/CHIP-dmesg.pdf"&gt;https://isojed.nl/blog/wp-content/uploads/2016/12/CHIP-dmesg.pdf&lt;/A&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;A class="link-titled" href="https://github.com/raspberrypi/linux/issues/1641" title="https://github.com/raspberrypi/linux/issues/1641"&gt;Set CONFIG_VMSPLIT_3G=y in kernel configuration will make the initramfs data lose · Issue #1641 · raspberrypi/linux · Gi…&lt;/A&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;A class="link-titled" href="http://forum.khadas.com/t/booting-a-4-10-mainline-kernel/332" title="http://forum.khadas.com/t/booting-a-4-10-mainline-kernel/332"&gt;Booting a 4.10 mainline kernel - Linux Kernel &amp;amp; U-Boot - Khadas Community&lt;/A&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;A class="jx-jive-macro-user" href="https://community.nxp.com/people/igorpadykov"&gt;igorpadykov&lt;/A&gt;‌&amp;nbsp;&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Mon, 15 May 2017 09:01:51 GMT</pubDate>
    <dc:creator>昌清黄</dc:creator>
    <dc:date>2017-05-15T09:01:51Z</dc:date>
    <item>
      <title>imx6 kernel3.10  kernel3.14 kernel4.1.15 （console [ttymxc0] enabled） too slow issue</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/imx6-kernel3-10-kernel3-14-kernel4-1-15-console-ttymxc0-enabled/m-p/679960#M104990</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;I&amp;nbsp; find kernel booting on imx6,&amp;nbsp; register console very slow（&lt;STRONG&gt;console [ttymxc0] enabled&lt;/STRONG&gt;）.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/20145iCFA5824ADD2E372A/image-size/large?v=v2&amp;amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I find the following versions of kernel（kernel3.10.53&amp;nbsp; 3.14&amp;nbsp; 4.1.15） all have this problem.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;please check the log（when&lt;STRONG&gt; console&amp;nbsp; enabled&lt;/STRONG&gt;）。&lt;/P&gt;&lt;P&gt;&lt;A class="link-titled" href="http://www.variscite.com/support-forum/viewtopic.php?t=291" title="http://www.variscite.com/support-forum/viewtopic.php?t=291"&gt;Android-LL-5.0.2 R3 Random Lockups (freezing) of Kernel - Variscite Forums&lt;/A&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;A class="link-titled" href="https://isojed.nl/blog/wp-content/uploads/2016/12/CHIP-dmesg.pdf" title="https://isojed.nl/blog/wp-content/uploads/2016/12/CHIP-dmesg.pdf"&gt;https://isojed.nl/blog/wp-content/uploads/2016/12/CHIP-dmesg.pdf&lt;/A&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;A class="link-titled" href="https://github.com/raspberrypi/linux/issues/1641" title="https://github.com/raspberrypi/linux/issues/1641"&gt;Set CONFIG_VMSPLIT_3G=y in kernel configuration will make the initramfs data lose · Issue #1641 · raspberrypi/linux · Gi…&lt;/A&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;A class="link-titled" href="http://forum.khadas.com/t/booting-a-4-10-mainline-kernel/332" title="http://forum.khadas.com/t/booting-a-4-10-mainline-kernel/332"&gt;Booting a 4.10 mainline kernel - Linux Kernel &amp;amp; U-Boot - Khadas Community&lt;/A&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;A class="jx-jive-macro-user" href="https://community.nxp.com/people/igorpadykov"&gt;igorpadykov&lt;/A&gt;‌&amp;nbsp;&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 15 May 2017 09:01:51 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/imx6-kernel3-10-kernel3-14-kernel4-1-15-console-ttymxc0-enabled/m-p/679960#M104990</guid>
      <dc:creator>昌清黄</dc:creator>
      <dc:date>2017-05-15T09:01:51Z</dc:date>
    </item>
    <item>
      <title>Re: imx6 kernel3.10  kernel3.14 kernel4.1.15 （console [ttymxc0] enabled） too slow issue</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/imx6-kernel3-10-kernel3-14-kernel4-1-15-console-ttymxc0-enabled/m-p/679961#M104991</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;please review solutions provided on&lt;/P&gt;&lt;P&gt;&lt;A class="link-titled" href="https://boundarydevices.com/fastboot-on-i-mx/" title="https://boundarydevices.com/fastboot-on-i-mx/"&gt;Android Fastboot implementation for i.MX&lt;/A&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Best regards&lt;BR /&gt;igor&lt;BR /&gt;-----------------------------------------------------------------------------------------------------------------------&lt;BR /&gt;Note: If this post answers your question, please click the Correct Answer button. Thank you!&lt;BR /&gt;-----------------------------------------------------------------------------------------------------------------------&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 15 May 2017 09:56:24 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/imx6-kernel3-10-kernel3-14-kernel4-1-15-console-ttymxc0-enabled/m-p/679961#M104991</guid>
      <dc:creator>igorpadykov</dc:creator>
      <dc:date>2017-05-15T09:56:24Z</dc:date>
    </item>
    <item>
      <title>Re: imx6 kernel3.10  kernel3.14 kernel4.1.15 （console [ttymxc0] enabled） too slow issue</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/imx6-kernel3-10-kernel3-14-kernel4-1-15-console-ttymxc0-enabled/m-p/679962#M104992</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi &lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; thanks！I still can't find a way to solve the problem！ I think this problem exists in later versions of 3.10。&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; I review this：&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;A href="https://community.nxp.com/docs/DOC-173487"&gt;Android boot optimization - A new try on i.MX6&lt;/A&gt;&amp;nbsp;&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 15 May 2017 10:19:04 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/imx6-kernel3-10-kernel3-14-kernel4-1-15-console-ttymxc0-enabled/m-p/679962#M104992</guid>
      <dc:creator>昌清黄</dc:creator>
      <dc:date>2017-05-15T10:19:04Z</dc:date>
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