mcBachmann.de TechBlog

A new base feature from Ubuntu 9.10 is the S.M.A.R.T. notifier which informs you whenever your harddrive reports an error. Before Karmic Koala you had to install smart-notifier which does the same job but was not in the base distro. Screenshot after the break… Mehr…

linux data integrity, smart, ubuntu

Today I had a strange error using the GCC version 4.4.1 with EABI support on a non thumb-ARMv4. Everytime I compiled something, with and w/o the -mno-thumb-interwork parameter it also contained the bx lr instruction which is only for later ARM processors with thumb support. Mehr…

linux, programming arm, eabi, gcc, openwrt, thumb

Mailman doesn’t have a command to re-inject all pending mails for the command line. Because in Debian Lenny the web-part is broken (wants to be recompiled because of wrong Apache group) I needed to re-inject a lot of mails which were pending. Mehr…

linux mailing list, mailman, reinject

Bash has a cool feature, it allows you to redirect the output of an application to a virtual file. With this its for example possible to fast-diff two directories. Mehr…

linux bash, virtual file

While compiling OpenWrt for an ARM compatible processor I got the following error:

{standard input}: Assembler messages:
{standard input}:39: Error: selected processor does not support `bx r6'

I found the solution in the The definitive guide to GCC book from William Von Hagen (I don’t own it, I found it via Google Books). You have to disable the the USE_BX flag in the uClibc config file and everything will be fine. Mehr…

linux, programming arm, gcc, openwrt, uClibc