Ubuntu Wiki

Debugging Scenarios

• Kernel/Debugging/Backlight -- how to debug issues related to backlight brightness control

• Kernel/Debugging/HighTemperatures -- how to debug thermal issues and/or fan related problems

• Hotkeys -- How to debug non-working hotkeys.

• KernelTeam/DebuggingUpdateErrors -- Debugging common errors seen when updating/upgrading

• KernelTeam/DebuggingSchedulingWhileAtomic -- How to gather a trace to help debug "scheduling while atomic" bugs

• DebuggingKernelSuspendHibernateResume -- Help debugging suspend/resume and hibernate/resume problems.

• KernelTeam/LinuxWireless -- Testing and reporting bugs to the upstream linux wireless developers

Debugging Tools/Information

• KernelTeam/DebuggingVoodoo - Q&A for strange symptoms and how to debug

• DebuggingIRQProblems - HEFIBootLoaderselp debugging common IRQ problems.

• KernelPPA - Instructions on how to use the kernel team's PPA as well using a specific kernel developer's PPA.

• BIOSandUbuntu - Debugging BIOS issues on Ubuntu (DSDT, Reboot, Suspend/Resume).

• KernelTeam/MainlineBuilds - How to use mainline kernels for debugging.

• Ubuntu to mainline mapping - a table of Ubuntu releases and which mainline version they are based on including the current release pocket assignments.

• KernelTeam/KernelDebuggingTricks - Some kernel debugging tricks and tips.

• Debugging USB -- How to debug USB problems

• Crash Dump -- How to use linux-crashdump to capture a kernel oops/panic

• KernelTeam/Netconsole - Configuring console over network using netconsole

• KernelTeam/Firmware - All about firmware and how to debug firmware loading issues