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3

I'm not entirely sure what you're asking here. Yes, top shows CPU usage as a percentage of a single CPU by default. That's why you can have percentages that are >100. On a system with 4 cores, you can see up to 400% CPU usage. You can change this behavior by pressing I (that's Shift + i and toggles "Irix mode") while top is running. That will cause it to ...


1

For Debian 7 and earlier, the easiest option is to put your code in /etc/rc.local. This runs at the very end of the boot sequence, just before the login screen is displayed when you boot into console mode, or just before X is started otherwise. Until this script exits, nothing else happens, so if you reboot the system at the end, you may not see a login ...


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I didn't find the cause of the slow booting with GRUB 2. I ended up using EXTLINUX instead, which is compact and fast, and better-suited if you don't need all the fancy GRUB 2 things. http://www.syslinux.org/wiki/index.php/EXTLINUX


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As "wmill' rightly commented in his answer that most tftp servers will write to file only if it exists. In my case also it was the same problem. tftpput from u-boot works fine. I installed tftpd-hpa and configured it as follows to create a file. edit /etc/default/tftpd-hpa as follows, # /etc/default/tftpd-hpa TFTP_USERNAME="root" ...


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You can refer to the official page: https://www.kernel.org/pub/linux/libs/uclibc/Glibc_vs_uClibc_Differences.txt


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Edit: I just noticed that your save address and size are 0. I have not tried tftpput on u-boot. From the command help it appears address and size must be supplied by the command line. I would try that. I don't know where RAM is on your platform so I can't give a valid example command line but it should look something like: tftpput 80000000 10 ---- Old ...


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Yes, the reg<0xxxx 0xxxx> stands for reg<offset length>. offset is the base address of the device and length will determine the range of address of the given device.



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