Hello Sachin, On Wed, Sep 13, 2023 at 06:19:11PM +0530, Sachin Sant wrote: > > > > On 11-Sep-2023, at 2:44 PM, Aditya Gupta <adit...@linux.ibm.com> wrote: > > > > Presently, while reading a vmcore, makedumpfile uses > > `cur_cpu_spec.mmu_features` to decide whether the crashed system had > > RADIX MMU or not. > > > > Currently, makedumpfile fails to get the `cur_cpu_spec` symbol (unless > > a vmlinux is passed with the `-x` flag to makedumpfile), and hence > > assigns offsets and shifts (such as pgd_offset_l4) incorrecly considering > > MMU to be hash MMU. > > > > Add `cur_cpu_spec` symbol and offset of `mmu_features` in the > > `cpu_spec` struct, to VMCOREINFO, so that the symbol address and offset > > is accessible to makedumpfile, without needing the vmlinux file > > > > Signed-off-by: Aditya Gupta <adit...@linux.ibm.com> > > --- > > Thanks for the patch. With this patch applied (along with makedumpfile > changes) > I am able to capture vmcore against a kernel which contains commit > 8dc9a0ad0c3e > > Reported-by: Sachin Sant <sach...@linux.ibm.com> > Tested-by: Sachin Sant <sach...@linux.ibm.com>
Thanks for testing this, and for providing the tags. - Aditya Gupta