Hello Liu, Your patch is queued for crash-7.0.9: https://github.com/crash-utility/crash/commit/8185107da80bb58d8af9ce37be292f3d46828117 Thanks, Dave ----- Original Message ----- > Thanks to Dave's suggest, I impove the way to identify > LPAE enabled kernel for arm platform, for compatibility with > some old kernel. > > If a vmcore santisfy one of the following conditions, It must > be generated by a LPAE enabled kernel. > > (1) it has CONFIG_ARM_LPAE=y vmcore_info > (2) swapper_pg_dir and its next symbol value differ by 0x5000 > > changes from V1: > - drop function next_symbol_value > > Signed-off-by: Liu Hua <sdu.liu@xxxxxxxxxx> > --- > arm.c | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) > > diff --git a/arm.c b/arm.c > index cb7d841..e7d3dbc 100644 > --- a/arm.c > +++ b/arm.c > @@ -190,6 +190,8 @@ void > arm_init(int when) > { > ulong vaddr; > + char *string; > + struct syment *sp; > > #if defined(__i386__) || defined(__x86_64__) > if (ACTIVE()) > @@ -229,8 +231,13 @@ arm_init(int when) > * LPAE requires an additional page for the PGD, > * so PG_DIR_SIZE = 0x5000 for LPAE > */ > - if ((symbol_value("_text") - symbol_value("swapper_pg_dir")) == 0x5000) > + if ((string = pc->read_vmcoreinfo("CONFIG_ARM_LPAE"))) { > machdep->flags |= PAE; > + free(string); > + } else if ((sp = next_symbol("swapper_pg_dir", NULL)) && > + (sp->value - symbol_value("swapper_pg_dir")) == 0x5000) > + machdep->flags |= PAE; > + > machdep->kvbase = symbol_value("_stext") & ~KVBASE_MASK; > machdep->identity_map_base = machdep->kvbase; > machdep->is_kvaddr = arm_is_kvaddr; > -- > 1.9.0 > > -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility