Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 723925b7 authored by Olof Johansson's avatar Olof Johansson Committed by Paul Mackerras
Browse files

[PATCH] powerpc: Nicer printing of address at oops 



Add nicer printing of faulting address on unresolvable kernel faults.

Makes life a little easier for those who don't know how to decode our
register contents at oops time.

Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 55b6332e

arch/powerpc/mm/fault.c

+17 −0
Original line number Diff line number Diff line
@@ -389,5 +389,22 @@ void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig) 
	}



	/* kernel has accessed a bad area */



	printk(KERN_ALERT "Unable to handle kernel paging request for ");

	switch (regs->trap) {

		case 0x300:

		case 0x380:

			printk("data at address 0x%08lx\n", regs->dar);

			break;

		case 0x400:

		case 0x480:

			printk("instruction fetch\n");

			break;

		default:

			printk("unknown fault\n");

	}

	printk(KERN_ALERT "Faulting instruction address: 0x%08lx\n",

		regs->nip);



	die("Kernel access of bad area", regs, sig);

}