Hi In my 64bit, 3.4 kernel, I'm increasing dmesg buffer size at runtime by passing log_buf_len=512K at command line. At compile time, I have LOG_BUF_LEN as 256K. However, when this kernel crashes (crashkernel set at 64M), vmcore-dmesg fails with below error. I tried with both kexec-tools-2.0.4 and 2.0.6. No program header covering vaddr 0xffff88013ff00000found kexec bug? Thank you.
