From: Anton Blanchard Date: Thu, 2 Jul 2015 04:56:20 +0000 (+1000) Subject: powerpc: Add plain English description for alignment exception oopses X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=eab861a7a52208868637f47a92caa926ddadd9c7;p=linux-beck.git powerpc: Add plain English description for alignment exception oopses If we take an alignment exception which we cannot fix, the oops currently prints: Unable to handle kernel paging request for unknown fault Lets print something more useful: Unable to handle kernel paging request for unaligned access at address 0xc0000000f77bba8f Signed-off-by: Anton Blanchard Signed-off-by: Michael Ellerman --- diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 6d535973b200..a67c6d781c52 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -529,6 +529,10 @@ void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig) printk(KERN_ALERT "Unable to handle kernel paging request for " "instruction fetch\n"); break; + case 0x600: + printk(KERN_ALERT "Unable to handle kernel paging request for " + "unaligned access at address 0x%08lx\n", regs->dar); + break; default: printk(KERN_ALERT "Unable to handle kernel paging request for " "unknown fault\n");