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Pi Performance?

Adventures With Linux ™ Posted on April 19, 2012 by RGApril 19, 2012

I had intended to persevere with the Fedora 14 ‘respin’, despite it being (correctly, IMHO..) described as ‘a bit buggy’..     Performance was improved with the newer 3.1.9+ kernel image, without the debug messages, but overall the response was still very sluggish..    I selected XFCE as the UI, as I had used this – successfully – with Fedora … Continue reading →

Posted in compilation, Fedora, Hacks, kernel, Linux / ARM, Opinion, Raspberry Pi | Tagged arch linux, debian, fedora, opinion, performance, raspberry pi, tests, xfce | Leave a reply

Pi Update..

Adventures With Linux ™ Posted on April 17, 2012 by RGApril 17, 2012

Found the latest kernel image (still 3.1.9-based..) and associated pre-compiled modules at the git repository – https://github.com/raspberrypi/firmware – and the ‘new’ version of kernel.img does away with the annoying console debug messages.. Device still seems very slow, but maybe I’m too used to quad-core systems with masses of memory! I even tried the Debian system, as this … Continue reading →

Posted in compilation, Fedora, kernel, Linux / ARM, Opinion, Raspberry Pi | Tagged 3.1.9+, arm, fedora, kernel, raspberry pi | Leave a reply

New Pi…!

Adventures With Linux ™ Posted on April 16, 2012 by RGApril 16, 2012

Raspberry Pi finally arrived today..     Set up with Fedora ‘Respin’ FC14.. Initial impressions.. Confirmed what we already know – does _not_ support Class 10 SD Cards!    Had to do a quick install onto an old 2GB Class 4 card (not really big enough!**)…    32GB Class 4 card on order.. First boot – prompts for user name … Continue reading →

Posted in Fedora, Linux / ARM, Raspberry Pi | Tagged fedora, first impressions, linux, raspberry pi, respin | Leave a reply

Another Essential Kernel Config..

Adventures With Linux ™ Posted on April 15, 2012 by RGApril 15, 2012

Another kernel configuration option that used to be just that – optional – but is now essential for ‘newer’ Fedora systems.. If you see Error unpacking rpm package glibc-common-n.n-nn.xxxx error: unpacking of archive failed on file /usr/libexec/pt_chown: cpio: cap_set_file On some yum/rpm updates (with httpd, as well) this can cause the actual update to fail, but yum/rpm … Continue reading →

Posted in compilation, Fedora, kernel | Tagged cap_set_file, compile, fail, fedora, kernel, rpm, update, yum | Leave a reply

SWAP on SD?

Adventures With Linux ™ Posted on March 23, 2012 by RGMarch 23, 2012

I have been having continuing problems with yum ‘hanging’ on my Dreamplug – through several different versions of Fedora, and numerous kernel updates (currently FC17 and Kernel 3.3..) The Fedora rootfs image did not include any swap, so – after some digging around – I decided to add a ./SWAP file, and activate it…     The results (so … Continue reading →

Posted in Dreamplug, Fedora, kernel, Linux / ARM | Tagged arm, fedora, hang, linux, sd card, sdcard, swap, yum | Leave a reply

Fedora Bash FTP Bug…and Fix

Adventures With Linux ™ Posted on March 19, 2012 by RGMarch 19, 2012

There still seems to be a persistent bug with the latest FC16 and FC17 versions of the bash rpm, which causes ftp logins to fail after you attempt to put in the password. The cause is that vital data is erased from the /etc/shells file, during the rpm update. The file should contain: /sbin/nologin /bin/dash /bin/bash /bin/sh … Continue reading →

Posted in Fedora | Tagged bash, bug, failure, fc16, fc17, fedora, fix, ftp, login, update | Leave a reply

Don’t forget your ACL…

Adventures With Linux ™ Posted on March 13, 2012 by RGMarch 13, 2012

If you are in the habit of compiling your own kernel, don’t forget to stay up-to-date with the latest necessities! ACL used to be one of those ..’don’t select unless you know what you are doing’… options, but now is an absolute necessity for ‘newer’ versions of Fedora.. So.. don’t forget to select the tmpfs / POSIX … Continue reading →

Posted in compilation, Fedora, kernel | Tagged acl, devtmpfs, fedora, kernel compilation, posix, sound not working | Leave a reply

Compiling the Pi Kernel.. My Way..

Adventures With Linux ™ Posted on March 12, 2012 by RGMarch 12, 2012

This is how I compile ARM kernels.  There are other ways of doing this, but this works, for me.. First – I should mention – Read the Wicki!    This is at http://elinux.org/R-Pi_Hub After getting the ‘forked’ kernel I then had to obtain a suitable config file, which included the necessary extra items for the Pi Broadcom chipset..   … Continue reading →

Posted in Hacks, kernel, Linux / ARM, Raspberry Pi | Tagged compile, cross-compiler, fedora, kernel, linux, raspberry pi | Leave a reply

Pi Preparation.. An appropriate kernel cross-compiler toolchain

Adventures With Linux ™ Posted on March 10, 2012 by RGMarch 10, 2012

The Fedora armv5tel / x86_64 cross-compiler toolchain is a bit ancient (GCC 4.1.2!), and the Pi is armv6..  So.. I needed a more up-to-date and architecture-friendly substitute.. After some abortive attempts (some of the other armv7 cross-compilers were just as old!)   I found a set of armv7 / x86_64 cross-compiler rpms – including gcc version 4.6.1 – … Continue reading →

Posted in Dreamplug, Fedora, Hacks, Linux / ARM, Raspberry Pi | Tagged arm, cross-compile, fedora, kernel, linux, mandriva | Leave a reply

Alpha by name…

Adventures With Linux ™ Posted on March 9, 2012 by RGMarch 9, 2012

Tried the Fedora 17 Alpha release on a crash-and-burn x86_64 system…      Definitely alpha quality…    Biggest show-stopper was the weird behaviour of grub2 and dracut, which meant that only one of the kernel choices in the grub2 menu booted OK, but others got ‘lost’ and threw all sorts of worrying udev and ‘xxx not found’ messages, before hanging … Continue reading →

Posted in Crash and Burn.., Fedora | Tagged f17 alpha, fedora, linux, testing | Leave a reply

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