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authorDavid S. Miller <davem@sunset.davemloft.net>2006-07-22 01:12:09 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-07-24 22:33:58 -0700
commiteb398d1044e0c1c19c2f5041acdb29ddb5bbc9f8 (patch)
treed493c8298bd5204d4295761edd38746d191bd0e2
parentb4e54de8d34afe7fcf08bfe91070d9dfeae6ed27 (diff)
[SPARC64]: Explicitly print return PC when the kernel fault PC is bogus.
That way we'll have at least some debugging info even if the stack dump explodes. Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--arch/sparc64/mm/fault.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c
index 1605967cce9..55ae802dc0a 100644
--- a/arch/sparc64/mm/fault.c
+++ b/arch/sparc64/mm/fault.c
@@ -19,6 +19,7 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/kprobes.h>
+#include <linux/kallsyms.h>
#include <asm/page.h>
#include <asm/pgtable.h>
@@ -132,6 +133,8 @@ static void bad_kernel_pc(struct pt_regs *regs, unsigned long vaddr)
printk(KERN_CRIT "OOPS: Bogus kernel PC [%016lx] in fault handler\n",
regs->tpc);
+ printk(KERN_CRIT "OOPS: RPC [%016lx]\n", regs->u_regs[15]);
+ print_symbol("RPC: <%s>\n", regs->u_regs[15]);
printk(KERN_CRIT "OOPS: Fault was to vaddr[%lx]\n", vaddr);
__asm__("mov %%sp, %0" : "=r" (ksp));
show_stack(current, ksp);