Hi, All 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. The problem mainly related to uboot and i have committed the patch to our github at https://github.com/LeMaker/u-boot-actions/commit/1a2f52c79652bd33002a6aee4e318db2061e4879 , Hope this can help others.
Best Regards Peter Chen LeMaker Developer Team Making Innovation Easy. Email: [email protected] (Technical Support) [email protected] (Product Distribution) Website: http://www.lemaker.org/ From: Oliver Grawert Date: 2016-06-07 17:17 To: Woodrow Shen CC: [email protected]; snapcraft Subject: Re: Re: snappy: Command not found hi, Am Dienstag, den 07.06.2016, 11:17 +0800 schrieb Woodrow Shen: > boot_fix.bin is workaround to make booting normally without active > boot flag. > I suspect above uboot error messages is missing the value > of ${snappy_kernel} when uboot needs to load the files, like: > loadkernel=fatload mmc ${mmcdev}:${mmcpart} ${kernel_addr} > ${snappy_kernel}/${kernel_file} exactly, u-d-f creates an image and then installs the kernel snap inside. after it installed it knows the exact path to the binaries, which is /snap/$packagename/$revision and this path is set to snappy_kernel= inside the uboot.env file. every time you upgrade or roll-back the kernel this variable is adjusted alongside, if a boot fails the value automatically falls back to the last revision that worked and it reboots. ciao oli
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