Debugging
Debugging Scenarios
To determine which guides are relevant to your problem see the Kernel/Debugging/Symptom based debugging guide .
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.
Kernel/DebuggingUpdateErrors -- Debugging common errors seen when updating/upgrading
Kernel/DebuggingSchedulingWhileAtomic -- How to gather a trace to help debug "scheduling while atomic" bugs
DebuggingKernelSuspend -- Help debugging kernel suspend
DebuggingKernelSuspendHibernateResume -- Help debugging suspend/resume and hibernate/resume problems.
Kernel/LinuxWireless -- Testing and reporting bugs to the upstream linux wireless developers
DebuggingKernelOops -- Analysing Kernel Oopses
DebuggingKernelBoot -- debugging Kernel boot issues
Debugging Guides
BIOSandUbuntu -- Debugging BIOS issues on Ubuntu (DSDT, Reboot, Suspend/Resume)
DebuggingSoundProblems -- Basic troubleshooting tips for debugging sound problems
DebuggingIRQProblems -- debugging interrupt related issues
DebuggingACPI -- debugging ACPI (Advanced Configuration and Power Interface)
DebuggingSystemCrash -- Tips for gather information regarding system crashes and lockups
Debugging Tools/Information
Kernel/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.
Kernel/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.
Kernel/KernelDebuggingTricks - Some kernel debugging tricks and tips.
Kernel/Debugging/USB -- How to debug USB problems
Kernel/CrashdumpRecipe -- How to use linux-crashdump to capture a kernel oops/panic
Kernel/Netconsole -- Configuring console over network using netconsole
Kernel/Firmware -- All about firmware and how to debug firmware loading issues
Kernel/Systemtap -- Introduction to Systemtap for reboot free, dynamic instrumentation
Kernel/Debugging/USBearlyprintk -- How to view early printk messages using USB debug