在 2020年07月03日 19:54, John Ogness 写道: > On 2020-07-02, lijiang <liji...@redhat.com> wrote: >> About the VMCOREINFO part, I made some tests based on the kernel patch >> v3, the makedumpfile and crash-utility can work as expected with your >> patch(userspace patch), but, unfortunately, the >> vmcore-dmesg(kexec-tools) can't correctly read the printk ring buffer >> information, and get the following error: >> >> "Missing the log_buf symbol" >> >> The kexec-tools(vmcore-dmesg) should also have a similar patch, just like >> in the makedumpfile and crash-utility. > > A patched kexec-tools is available here [0]. > > I did not test using 32-bit dumps on 64-bit machines and vice versa. But > it should work. > > John Ogness > > [0] https://github.com/Linutronix/kexec-tools.git (printk branch) >
After applying this patch, the vmcore-dmesg can work. Thank you, John Ogness. _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec
