Kernel Debugging Using Kprobe and Jprobe
Debugging is like plumbing; it involves fixing difficult, hidden problems — so, besides the vital experience, both debuggers and plumbers must have a specialised set of tools at hand for each task. Targeted…
CRASH Your System (and Debug Kernel Panic)
Aimed at Linux kernel developers and just about anybody who would like to debug a kernel panic with the Crash utility, this article assumes readers have an understanding of the basics of the…
Debugging the Linux Kernel with debugfs
debugfs is a simple memory-based filesystem, designed specifically to debug Linux kernel code, and not to be confused with the debugfs filesystem utility. Introduced by Greg Kroah-Hartman in December 2004, debugfs helps kernel…
SystemTap Tutorial, Part-2
Last month, we explored SystemTap and how it works. We also discussed Tapset libraries, and looked at a few examples. Let’s proceed from there. I am sure you have gone through the examples…
Joy of Programming: Types of Bugs
In this column, we’ll look at four types of bugs, named after popular scientists. The classification is interesting — we’ll understand how strange bugs can be! Jim Gray, in his popular paper (see…
SystemTap Tutorial, Part 1
This is the first of a two-part series on SystemTap, a dynamic method to monitor and trace the operations of a running Linux kernel. SystemTap is useful to systems administrators, kernel developers, support…
June 19, 2013
anil_pugalia — Just load the usb-storage driver back. Or, just plug out & plug in the pen drive.
