<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-family: Calibri, sans-serif;"><div><div>On 6/1/15, 12:42 PM, "elinux-MinnowBoard on behalf of Orozco, Edgar Alexis" <<a href="mailto:elinux-minnowboard-bounces@lists.elinux.org">elinux-minnowboard-bounces@lists.elinux.org</a> on behalf of <a href="mailto:edgar.alexis.orozco@delphi.com">edgar.alexis.orozco@delphi.com</a>> wrote:</div></div><span id="OLK_SRC_BODY_SECTION"><div><br></div><blockquote id="MAC_OUTLOOK_ATTRIBUTION_BLOCKQUOTE" style="BORDER-LEFT: #b5c4df 5 solid; PADDING:0 0 0 5; MARGIN:0 0 0 5;"><div xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><meta name="Generator" content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--><div lang="EN-US" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal">Hello everybody!<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">I am experiencing an issue with UART ports: here’s the output of setserial –ag /dev/ttyS*<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">/dev/ttyS0, Line 0, UART: 16550A, Port: 0x03f8, IRQ: 4<o:p></o:p></p><p class="MsoNormal"> Baud_base: 115200, close_delay: 50, divisor: 0<o:p></o:p></p><p class="MsoNormal"> closing_wait: 3000<o:p></o:p></p><p class="MsoNormal"> Flags: spd_normal skip_test auto_irq<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">/dev/ttyS1, Line 1, UART: unknown, Port: 0x02f8, IRQ: 3<o:p></o:p></p><p class="MsoNormal"> Baud_base: 115200, close_delay: 50, divisor: 0<o:p></o:p></p><p class="MsoNormal"> closing_wait: 3000<o:p></o:p></p><p class="MsoNormal"> Flags: spd_normal skip_test auto_irq<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">/dev/ttyS2, Line 2, UART: unknown, Port: 0x03e8, IRQ: 4<o:p></o:p></p><p class="MsoNormal"> Baud_base: 115200, close_delay: 50, divisor: 0<o:p></o:p></p><p class="MsoNormal"> closing_wait: 3000<o:p></o:p></p><p class="MsoNormal"> Flags: spd_normal skip_test auto_irq<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">/dev/ttyS3, Line 3, UART: unknown, Port: 0x02e8, IRQ: 3<o:p></o:p></p><p class="MsoNormal"> Baud_base: 115200, close_delay: 50, divisor: 0<o:p></o:p></p><p class="MsoNormal"> closing_wait: 3000<o:p></o:p></p><p class="MsoNormal"> Flags: spd_normal auto_irq<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">ttyS0 is working OK since I am using it as a serial console.<o:p></o:p></p><p class="MsoNormal">I noticed that the dmesg output was commonly showing “ttySX MMIO at 0x<address>”. Not anymore!.</p></div></div></div></blockquote></span><div><br></div><div>These are the standard PNP PC UARTs. The other two use the HSUART driver. What changed when you started seeing this change?</div><div><br></div><div><div>-- </div><div>Darren Hart</div><div>Intel Open Source Technology Center</div></div></body></html>