Which launch the kernel in "stopped" stateģ) Thus I have to use gdb, I try the following command: gdb. config)Ģ) Once the compilation is over I run Qemu using: qemu-system-x86_64 -s -S /dev/zero -kernel /arch/x86/boot/bzImage So what I did so far was:ġ) To compile the kernel with: make defconfig (then setting the CONFIG_DEBUG_INFO=y in the. I'm using eclipse as an IDE to develop on the kernel but I wanted first to get it work under QEMU/gdb. So what I did was to follow this tutorial. I'm actually reading Robert Love's book but unfortunately it doesn't help the reader on how to install proper tools to run or debug the kernel. Settings->System->Acceleration->Enable Nested Paging: set to checked.I'm new to kernel development and I would like to know how to run/debug the linux kernel using QEMU and gdb. Settings->System->Acceleration->Enable VT-x/AMD-V: set to checked Settings->System->Acceleration->Paravirtualization Interface: set to Default Here are the settings and what I set them to in order to get my machine working again: I went about resetting everything except for three somewhat obscure settings.
When I tried to start up my Ubuntu again, all of the settings in the virtual machine had been cleared out (?!). The only solution I've found to this lock up problem is to power cycle the virtual machine.īut when this happened the last time I was getting this notice to upgrade to 5.1.28 which I did (that turned out to be a red herring for my problem.
This happens every now and again (about once a month and I'm using the system nearly constantly for 8 hours every work day). A short while back something went wrong with my Ubuntu and the whole Linux system locked up.
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