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[SPARC64]: Explicitly print return PC when the kernel fault PC is bogus.

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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>
This commit is contained in:
David S. Miller 2006-07-22 01:12:09 -07:00
parent b4e54de8d3
commit eb398d1044
1 changed files with 3 additions and 0 deletions
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3
arch/sparc64/mm/fault.c
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@ -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);