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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">Hi Luke,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">many thanks for your hint!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">After installation of the new kernel snap, my device boots again (no stuck in initramfs anymore).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">Unfortunately I am not able to login anymore
</span><span lang="EN-GB" style="font-size:11.0pt;font-family:Wingdings;mso-fareast-language:EN-US">L</span><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">Does anyone have an idea regarding this issue?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">Best Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">Marco<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="DE" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Von:</span></b><span lang="DE" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Luke Williams [mailto:luke.williams@canonical.com]
<br>
<b>Gesendet:</b> Dienstag, 05. April 2016 18:03<br>
<b>An:</b> Marco Tangl <Marco.Tangl@dewetron.com><br>
<b>Cc:</b> snappy-devel@lists.ubuntu.com<br>
<b>Betreff:</b> Re: kernel snap for generic_amd64 devices<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi Marco,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I ran into the same exact thing. For some reason, the defconfig does not enable squashfs xz. You need to add that to your kconfigs section:<o:p></o:p></p>
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<p class="MsoNormal">CONFIG_SQUASHFS_XZ=y<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Then rebuild your snap using snapcraft and you’ll be good to go.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="color:black">Thanks,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:black">Luke Williams - Support Engineer, Network Switches<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">email: <a href="mailto:luke.williams@canonical.com">luke.williams@canonical.com</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black"><a href="http://www.canonical.com/">http://www.canonical.com/</a> |<span class="apple-converted-space"> </span><a href="http://www.ubuntu.com">http://www.ubuntu.com</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Apr 5, 2016, at 8:07 AM, Marco Tangl <<a href="mailto:Marco.Tangl@dewetron.com">Marco.Tangl@dewetron.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Hi all,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">I am trying to snap a kernel for my device which is running the mvo/amd64-all-snap.img,</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">without success so far<span class="apple-converted-space"> </span></span><span lang="EN-GB" style="font-size:11.0pt;font-family:Wingdings">L</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">What I did:</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal" style="text-indent:-18.0pt"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">1.</span><span lang="EN-GB" style="font-size:7.0pt"> <span class="apple-converted-space"> </span></span><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Downloaded
kernel sources from<span class="apple-converted-space"> </span><a href="git://kernel.ubuntu.com/Ubuntu/Ubuntu-xenial.git"><span style="color:purple">git://kernel.ubuntu.com/Ubuntu/Ubuntu-xenial.git</span></a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal" style="text-indent:-18.0pt"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">2.</span><span lang="EN-GB" style="font-size:7.0pt"> <span class="apple-converted-space"> </span></span><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Prepared
a snapcraft.yaml file:</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">-------</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">xx</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">type: kernel</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">parts:</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> plugin: kernel</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> kdefconfig: [defconfig]</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> kconfigs:</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal" style="text-indent:-18.0pt"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">-</span><span lang="EN-GB" style="font-size:7.0pt"> <span class="apple-converted-space"> </span></span><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">CONFIG_LOCALVERSION=”-amd64”</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal" style="text-indent:-18.0pt"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">-</span><span lang="EN-GB" style="font-size:7.0pt"> <span class="apple-converted-space"> </span></span><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">CONFIG_DEBUG_INFO=n</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal" style="text-indent:-18.0pt"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">-</span><span lang="EN-GB" style="font-size:7.0pt"> <span class="apple-converted-space"> </span></span><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">CONFIG_SQUASHFS=m</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> kernel-initrd-modules:</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal" style="text-indent:-18.0pt"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">-</span><span lang="EN-GB" style="font-size:7.0pt"> <span class="apple-converted-space"> </span></span><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">squashfs</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">------</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal" style="text-indent:-18.0pt"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">3.</span><span lang="EN-GB" style="font-size:7.0pt"> <span class="apple-converted-space"> </span></span><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Transferred
generated kernel.snap (sudo snapcraft) to destination system (amd64-all-snap.img) and installed it.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Everything seemed to be ok .. I got the message “Reboot to use xxxkernel version xxx”</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal" style="text-indent:-18.0pt"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">4.</span><span lang="EN-GB" style="font-size:7.0pt"> <span class="apple-converted-space"> </span></span><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Reboot
system -> got stuck in initramfs</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">The thing is, I’m sure the yaml file isn’t done in a correct way. Unfortunately I cannot find any helpful documentation (for me), examples on that topic.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Do you have an example covering this topic, or can you tell me what I am doing wrong …</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">The reason why I want to generate a kernel.snap is, that we have additional hardware for which we have a DKMS based kernel module. </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Many thanks in advance,</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Marco</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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