Kernel System Request Debugging
In linux the kernel can be configured to provide functions for system debugging and crash recovery.
Kernel system request debugging. Dynamic debug is designed to allow you to dynamically enable disable kernel code to obtain additional kernel information. Boot option for local debugging in windows. Linux magic system request key hacks. If config dynamic debug is not set print hex dump debug is just shortcut for print hex dump kern debug.
Sound basic troubleshooting tips for debugging sound problems. On the file menu choose kernel debug. To use bcdedit open a command prompt window with elevated privileges right click command prompt and click run as administrator from the shortcut menu. Firmware all about firmware and how to debug firmware loading issues.
Kernel debugging a wide range of different kernel options can help in debugging what is going on within the kernel. For information on setting up local kernel mode debugging see setting up local kernel mode debugging of a single computer manually. Kernel debugging tricks some kernel debugging tricks and tips. This use is known as the magic sysrq key.
16 0x10 enable sync command 32 0x20 enable remount read only 64 0x40 enable signalling of processes term kill oom kill 128 0x80 allow reboot poweroff 256 0x100 allow nicing of all rt tasks. I need to disable the kernel system request debugging on an ubuntu computer but have not been able to find a way of how to do this. Marking a thread as resolved we have added new functionality to the forum that allows you to mark your threads as resolved. Stack exchange network stack exchange network consists of 176 q a communities including stack overflow the largest most trusted online community for developers to learn share their knowledge and build their careers.
Microsoft has also used sysrq for various os and application level debuggers. Currently if config dynamic debug is set then all pr debug dev dbg and print hex dump debug print hex dump bytes calls can be dynamically enabled per callsite. Open windbg as administrator. System crash tips for gather information regarding system crashes and lockups.
Following is a list of some of the more common ones that can be useful for discovering new things about how the kernel works or help find potential problems within the current kernel source code. To enable kernel debugging on a single computer use the bcdedit debug boot option. Setting up local kernel mode debugging. Sak unraw 8 0x8 enable debugging dumps of processes etc.