Category Archives: Linux Distro

USB mass storage on Gumstix – a tricky issue using Yocto Daisy

A recent upgrade of Yocto, from Dora to Daisy, broke the things worked before. Actually, CONFIG_USB_MASS_STORAGE, enabled in the defconfig of the Overo, was not passed to the .config during the kernel build. This weird missing config costed me 24-hour … Continue reading

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EXT4-fs error – use Ubuntu to fix Fedora

The most terrible thing a Linux could have may be some errors reported by the file system. It is usually caused by power outages or bad blocks/sectors within the hard drive. Eventually, as a Linux user, you may at least … Continue reading

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Gumstix Overo – USB gadget mass storage

This post introduces the general procedure to make gumstix overo work as an USB gadget mass storage using the Yocto Linux. Thanks Adam Lee (Gumstix) for the gadget configuration consulting and debugging. Thanks Tyler Nichols (OSIRIS Lab) for the hardware … Continue reading

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nested KVM – just for fun

KVM is based on virtualization instruction set – either Intel vmx or AMD svm, which provides the ability to run the VM directly without emulation or translation. In other words, KVM could only be enabled if it sees vmx/svm in … Continue reading

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Fedora 20 – some post installation issues may bother

Even though Fedora wiki has posted some common issues after the system is upgraded into Fedora 20, interestingly, none of them applies the issues I have encountered:( Anyway, this post is for guys who may have a little bit chance … Continue reading

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webcam on Linux (Fedora) – issues with Skype

Install a webcam on Linux is kind of tricky. The problem is almost none of the manufacturer would provide the Linux driver when delivering their products. And again, the power of open source community would be the hero again. There … Continue reading

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Nvidia, sucks – issues related with the official GPU driver and CUDA on Linux (Fedora 18)

Nvidia, you SUCK! If you are planning to install the latest official GPU driver for your latest Linux, which means most probably you wanna try CUDA, then please BE WARE! I had installed the 310.xx version of Nvidia Linux driver, … Continue reading

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