<html xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office"><head><!--[if gte mso 9]><xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>96</o:PixelsPerInch></o:OfficeDocumentSettings></xml><![endif]--></head><body><div style="color:#000; background-color:#fff; font-family:標楷體, dfkai-sb;font-size:16px"><div id="yiv2103986311"><!--[if gte mso 9]><xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>96</o:PixelsPerInch></o:OfficeDocumentSettings></xml><![endif]--><div id="yui_3_16_0_ym19_1_1512075253233_18883"><div style="color:#000;background-color:#fff;font-family:標楷體, dfkai-sb;font-size:16px;" id="yui_3_16_0_ym19_1_1512075253233_18882"><div id="yiv2103986311"><!--[if gte mso 9]><xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>96</o:PixelsPerInch></o:OfficeDocumentSettings></xml><![endif]--><div id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_17397"><div style="color:#000;background-color:#fff;font-family:標楷體, dfkai-sb;font-size:16px;" id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_17396"><div id="yiv2103986311"><!--[if gte mso 9]><xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>96</o:PixelsPerInch></o:OfficeDocumentSettings></xml><![endif]--><div id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_15167"><div style="color:#000;background-color:#fff;font-family:標楷體, dfkai-sb;font-size:16px;" id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_15166"><div id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11149" dir="ltr">On Fri, 1 Dec 2017 00:37:20 +0100 Michael Biebl <biebl@debian.org> wrote:<br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11213">> Am 30.11.2017 um 17:23 schrieb Joshua Marshall:<br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11214">> > Package: systemd<br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11215">> > Version: 232-25+deb9u1<br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11216">> > Severity: normal<br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11217">> > <br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11218">> > Dear Maintainer,<br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11219">> > <br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11220">> > root@debian:/home/testing# uname -a <br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11221">> > Linux debian 4.9.0-4-amd64 #1 SMP Debian 4.9.51-1 (2017-09-28) x86_64 GNU/Linux<br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11222">> > <br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11223">> > root@debian:/home/testing# systemctl --version<br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11224">> > systemd 232<br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11225">> > +PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN<br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11226">> > <br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11227">> > root@debian:/home/testing# update-grub --version<br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11228">> > grub-mkconfig (GRUB) 2.02~beta3-5<br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11229">> > <br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11230">> > <br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11231">> > It seems only the first console= kernel parameter's baud rate is set once the<br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11232">> > system starts. I'm not entirely sure this is a systemd issue but at the very<br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11233">> > least grub passes the correct kernel parameters.<br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11234">> <br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11235">> I don't think systemd cares for the kernel baud parameters (why should it?)<br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11236">> <br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11237">> <br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11238">> -- <br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11239">> Why is it that all of the instruments seeking intelligent life in the<br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11240">> universe are pointed away from Earth?<br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11241">> <br id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11242"></div><div dir="ltr" id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11330"><div id="yui_3_16_0_ym19_1_1512075253233_18907"><br></div><div id="yui_3_16_0_ym19_1_1512075253233_18909"><br></div></div><div dir="ltr" id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11357">You're right. I actually just found that this is a known Linux kernel limitation.</div><div dir="ltr" id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11731">Strange that I looked on kernel.org for documentation but couldn't find it</div>from the main page. A new Google search led me to this link.<div dir="ltr" id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11849"><br></div><div dir="ltr" id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11359"><a rel="nofollow" target="_blank" href="https://www.kernel.org/doc/html/v4.12/admin-guide/serial-console.html" class="yiv2103986311enhancr2_6d0dc07d-a3ba-d8d5-df14-30c7f93d00fa" id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11372">Linux Serial Console — The Linux Kernel documentation</a></div><div dir="ltr" id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11423"><br></div><div dir="ltr" id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11424">"Note that you can only define one console per device type (serial, video)."</div><br><div dir="ltr" id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11492">Sites I previously visited had incomplete second-hand info.<br></div><div dir="ltr" id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11564"><div id="yui_3_16_0_ym19_1_1512075253233_18927"><br></div><div id="yui_3_16_0_ym19_1_1512075253233_18929"><br></div></div><div dir="ltr" id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11565">Sorry for the mistake. This is unrelated to systemd and not actually a bug.</div><div id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11438"><br></div><div id="yiv2103986311enhancr2_6d0dc07d-a3ba-d8d5-df14-30c7f93d00fa" class="yiv2103986311yahoo-link-enhancr-card yiv2103986311yahoo-link-enhancr-not-allow-cover yiv2103986311ymail-preserve-class yiv2103986311ymail-preserve-style" style="max-width:400px;font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;" data-url="https://www.kernel.org/doc/html/v4.12/admin-guide/serial-console.html" data-type="yenhancr" data-category="article" data-embed-url="" data-size="medium" dir="ltr"> <a rel="nofollow" target="_blank" href="https://www.kernel.org/doc/html/v4.12/admin-guide/serial-console.html" style="text-decoration:none;color:#000;" class="yiv2103986311yahoo-enhancr-cardlink" id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11504"> <table class="yiv2103986311card-wrapper yiv2103986311yahoo-compose-table-card yiv2103986311yahoo-compose-table-card yiv2103986311yahoo-compose-table-card yahoo-compose-table-card" style="max-width:400px;" id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11503" border="0" cellspacing="0" cellpadding="0"> <tbody id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11502"><tr id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11501"> <td id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11500" width="400"> <table class="yiv2103986311card-info yiv2103986311yahoo-compose-table-card yiv2103986311yahoo-compose-table-card yiv2103986311yahoo-compose-table-card yahoo-compose-table-card" style="background:#fff;max-width:400px;border:1px solid #e0e4e9;border-bottom:3px solid #000000;" id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11499" width="100%" border="0" cellspacing="0" cellpadding="0"> <tbody id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11498"><tr id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11497"> <td style="vertical-align:top;padding:16px 0 16px 12px;"> </td> <td style="vertical-align:middle;padding:16px 12px;width:99%;" id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_11496"> <h2 class="yiv2103986311card-title" style="margin:0 0 4px 0;font-size:16px;font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;" id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_12005">Linux Serial Console — The Linux Kernel documentation</h2> <div class="yiv2103986311card-description" style="font-size:11px;line-height:15px;color:#999;"></div> </td> <td class="yiv2103986311card-share-container"></td> </tr> </tbody></table> </td> </tr> </tbody></table> </a></div><div id="yiv2103986311yui_3_16_0_ym19_1_1512075253233_12008"><br></div></div></div></div></div></div></div></div></div></div></div></body></html>