On 2023-02-07, [email protected] <[email protected]> wrote: > Hello, > > How would I solve debugging a kernel issue when ddb(4) will freeze running > "boot crash" and using gdb(1) with "target kvm" will not write to the disk? > Is taking photographs of my computer screen the only option to record trace > information? The system message buffer is not large enough to contain the > data on warm reboot.
Other than serial console, if you have a machine which keeps the message buffer between boots then you can try raising the message buffer size (CONSBUFSIZE in sys/msgbuf.h)
