<html 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"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:Wingdings;
panose-1:5 0 0 0 0 0 0 0 0 0;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph
{mso-style-priority:34;
margin-top:0cm;
margin-right:0cm;
margin-bottom:0cm;
margin-left:36.0pt;
margin-bottom:.0001pt;
mso-add-space:auto;
line-height:105%;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
p.MsoListParagraphCxSpFirst, li.MsoListParagraphCxSpFirst, div.MsoListParagraphCxSpFirst
{mso-style-priority:34;
mso-style-type:export-only;
margin-top:0cm;
margin-right:0cm;
margin-bottom:0cm;
margin-left:36.0pt;
margin-bottom:.0001pt;
mso-add-space:auto;
line-height:105%;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
p.MsoListParagraphCxSpMiddle, li.MsoListParagraphCxSpMiddle, div.MsoListParagraphCxSpMiddle
{mso-style-priority:34;
mso-style-type:export-only;
margin-top:0cm;
margin-right:0cm;
margin-bottom:0cm;
margin-left:36.0pt;
margin-bottom:.0001pt;
mso-add-space:auto;
line-height:105%;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
p.MsoListParagraphCxSpLast, li.MsoListParagraphCxSpLast, div.MsoListParagraphCxSpLast
{mso-style-priority:34;
mso-style-type:export-only;
margin-top:0cm;
margin-right:0cm;
margin-bottom:0cm;
margin-left:36.0pt;
margin-bottom:.0001pt;
mso-add-space:auto;
line-height:105%;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
.MsoChpDefault
{mso-style-type:export-only;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.WordSection1
{page:WordSection1;}
/* List Definitions */
@list l0
{mso-list-id:801507497;
mso-list-type:hybrid;
mso-list-template-ids:-974901792 67698699 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
@list l0:level1
{mso-level-number-format:bullet;
mso-level-text:\F0D8;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-18.0pt;
font-family:Wingdings;}
@list l0:level2
{mso-level-number-format:bullet;
mso-level-text:o;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-18.0pt;
font-family:"Courier New";}
@list l0:level3
{mso-level-number-format:bullet;
mso-level-text:\F0A7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-18.0pt;
font-family:Wingdings;}
@list l0:level4
{mso-level-number-format:bullet;
mso-level-text:\F0B7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-18.0pt;
font-family:Symbol;}
@list l0:level5
{mso-level-number-format:bullet;
mso-level-text:o;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-18.0pt;
font-family:"Courier New";}
@list l0:level6
{mso-level-number-format:bullet;
mso-level-text:\F0A7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-18.0pt;
font-family:Wingdings;}
@list l0:level7
{mso-level-number-format:bullet;
mso-level-text:\F0B7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-18.0pt;
font-family:Symbol;}
@list l0:level8
{mso-level-number-format:bullet;
mso-level-text:o;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-18.0pt;
font-family:"Courier New";}
@list l0:level9
{mso-level-number-format:bullet;
mso-level-text:\F0A7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-18.0pt;
font-family:Wingdings;}
ol
{margin-bottom:0cm;}
ul
{margin-bottom:0cm;}
--></style></head><body lang=EN-IN link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-US>I continued without using the init variable and changed the root value to “/dev/mmcblk1p2”, where the system-a partition gets loaded. By using these boot commands I’m able to boot and can access the terminal(have to add serial-console executable file and serial_auto_detect.conf file) I have attached my log file with this mail. Is this the correct procedure to boot Snappy in the device? What is the use of using initrd here??<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Can I proceed with the current working state?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Cheers,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Ram</span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div style='mso-element:para-border-div;border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='border:none;padding:0cm'><b>From: </b><a href="mailto:ramprasadrp2412@gmail.com">Ram Prasad</a><br><b>Sent: </b>28 March 2016 08:42 PM<br><b>To: </b><a href="mailto:snappy-devel@lists.ubuntu.com">snappy-devel@lists.ubuntu.com</a><br><b>Subject: </b>Help needed for boot environment values for Snappy Ubuntu Core</p></div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Hi,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I’m facing some trouble because of the values to be entered for Snappy specific parameters during an arm board booting process, especially with the “init”, “root” and “snappy_cmdline” params. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>These are the boot param values I’m using now:<o:p></o:p></span></p><p class=MsoListParagraphCxSpFirst style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US style='font-family:Wingdings'><span style='mso-list:Ignore'>Ø<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>setenv snappy_cmdline 'init=/lib/systemd/systemd-udevd ro panic=-1 console=ttymxc0,115200 ${display} ${extra_bootargs} consoleblank=0 ignore_loglevel root=/dev/ram0 rw initrd=0x13000000,65M'<o:p></o:p></span></p><p class=MsoListParagraphCxSpLast style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US style='font-family:Wingdings'><span style='mso-list:Ignore'>Ø<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>setenv snappy_boot 'run loadfiles; setenv root '/dev/disk/by-label/system-${snappy_ab} ${snappy_cmdline}'; setenv bootargs ${snappy_cmdline}; bootm ${loadaddr} - ${fdt_addr}'<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>When I use “'init=/lib/systemd/systemd-udevd” value, the result is:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>RAMDISK: lzma image found at block 0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>VFS: Mounted root (ext2 filesystem) on device 1:0.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>devtmpfs: mounted<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Freeing unused kernel memory: 340K (80e6a000 - 80ebf000)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Failed to read /proc/cmdline, ignsystemd-udevd[1]: Failed to read /proc/cmdline, ignoring: No such f<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>systemd-udevd[1]: starting version 217<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>systemd-udevd[1]: hwdb.bin does not exist, please run udevadm hwdb --update<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>systemd-udevd[1]: Failed to read /proc/cmdline, ignoring: No such file or directory<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>systemd-udevd[1]: Network interface NamePolicy= disabled on kernel commandline, ignoring.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>random: systemd-udevd urandom read with 96 bits of entropy available<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>systemd-udevd[1]: specified group 'tty' unknown<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>systemd-udevd[1]: specified group 'dialout' unknown<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>systemd-udevd[1]: specified group 'kmem' unknown<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>systemd-udevd[1]: specified group 'input' unknown<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>systemd-udevd[1]: specified group 'video' unknown<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>systemd-udevd[1]: specified group 'audio' unknown<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>systemd-udevd[1]: specified group 'lp' unknown<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>systemd-udevd[1]: specified group 'disk' unknown<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>systemd-udevd[1]: specified group 'cdrom' unknown<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>systemd-udevd[1]: specified group 'tape' unknown<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>random: nonblocking pool is initialized<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Without the init value, I end up stranded as shown in the attached log file with this mail. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Can someone help me?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Ram Prasad R.P.</span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>