<html><head><meta http-equiv="content-type" content="text/html; charset=UTF-8"><style>body { line-height: 1.5; }blockquote { margin-top: 0px; margin-bottom: 0px; margin-left: 0.5em; }p { margin-top: 0px; margin-bottom: 0px; }body { font-size: 10.5pt; font-family: 微软雅黑; color: rgb(0, 0, 0); line-height: 1.5; }</style></head><body> <div>Hi, All</div><div>Thanks for your help, The problem which the uboot can't load the kernel has been fixed, and the snappy ubuntu 16 is ported to the Lemaker Guitar successfully now.</div><div>The problem <span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">mainly related to uboot </span><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">and i have committed the patch to our github at </span><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;"></span><a href="https://github.com/LeMaker/u-boot-actions/commit/1a2f52c79652bd33002a6aee4e318db2061e4879" style="font-size: 10.5pt; line-height: 1.5; background-color: window;">https://github.com/LeMaker/u-boot-actions/commit/1a2f52c79652bd33002a6aee4e318db2061e4879</a><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;"> ,</span></div><div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">Hope this can help</span><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;"> others.</span></div><div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;"><br></span></div><div>Best Regards</div><hr style="width: 210px; height: 1px;" color="#b5c4df" size="1" align="left"> <div><span> <style> v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} </style>    <h1 style="margin: 17pt 0cm 16.5pt; text-align: justify; line-height: 240%; page-break-after: avoid; font-size: 22pt; font-family: Calibri, sans-serif;"><p class="MsoNormal" align="left" style="font-weight: normal; margin: 0cm 0cm 0.0001pt; font-size: 10.5pt; line-height: 21px;"><b><span lang="EN-US" style="font-size: 16pt; font-family: Verdana, sans-serif;">Peter Chen</span></b><span lang="EN-US" style="font-size: 10pt; font-family: Verdana, sans-serif;"></span></p><p class="MsoNormal" align="left" style="font-weight: normal; margin: 0cm 0cm 0.0001pt; font-size: 10.5pt; line-height: 14.25pt;"><br></p><p class="MsoNormal" align="left" style="font-weight: normal; margin: 0cm 0cm 0.0001pt; font-size: 10.5pt; line-height: 14.25pt;"><b><span lang="EN-US" style="font-size: 12pt;">LeMaker </span></b><b><span lang="EN-US" style="font-size: 12pt;"><b><span lang="EN-US" style="font-size: 12pt;"><b><span lang="EN-US" style="font-size: 12pt;">Developer </span></b></span></b>Team</span></b></p><p class="MsoNormal" style="font-weight: normal; margin: 0cm 0cm 0.0001pt; font-size: 10.5pt; line-height: 21px;"><span lang="EN-US" style="font-size: 10pt;"><br></span></p><p class="MsoNormal" style="font-weight: normal; 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margin-bottom: 0px; margin-left: 0.5em;"><div> </div><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm"><div style="PADDING-RIGHT: 8px; PADDING-LEFT: 8px; FONT-SIZE: 12px;FONT-FAMILY:tahoma;COLOR:#000000; BACKGROUND: #efefef; PADDING-BOTTOM: 8px; PADDING-TOP: 8px"><div><b>From:</b> <a href="mailto:ogra@ubuntu.com">Oliver Grawert</a></div><div><b>Date:</b> 2016-06-07 17:17</div><div><b>To:</b> <a href="mailto:woodrow.shen@canonical.com">Woodrow Shen</a></div><div><b>CC:</b> <a href="mailto:peter.chen@lemaker.com">peter.chen@lemaker.com</a>; <a href="mailto:snapcraft@lists.ubuntu.com">snapcraft</a></div><div><b>Subject:</b> Re: Re: snappy: Command not found</div></div></div><div><div>hi,</div> <div>Am Dienstag, den 07.06.2016, 11:17 +0800 schrieb Woodrow Shen:</div> <div> </div> <div> </div> <div>> boot_fix.bin is workaround to make booting normally without active</div> <div>> boot flag.</div> <div>> I suspect above uboot error messages is missing the value</div> <div>> of ${snappy_kernel} when uboot needs to load the files, like:</div> <div> </div> <div>> loadkernel=fatload mmc ${mmcdev}:${mmcpart} ${kernel_addr}</div> <div>> ${snappy_kernel}/${kernel_file}</div> <div> </div> <div>exactly, u-d-f creates an image and then installs the kernel snap</div> <div>inside. after it installed it knows the exact path to the binaries,</div> <div>which is /snap/$packagename/$revision and this path is set to</div> <div>snappy_kernel= inside the uboot.env file. every time you upgrade or</div> <div>roll-back the kernel this variable is adjusted alongside, if a boot</div> <div>fails the value automatically falls back to the last revision that</div> <div>worked and it reboots.</div> <div> </div> <div>ciao</div> <div> oli</div> </div></blockquote> </body></html>