From: Manfred Spraul <manfred@colorfullife.com>



Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 mm/page_alloc.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+)

diff -puN mm/page_alloc.c~mm-debug-dump-pageframes-on-bad_page mm/page_alloc.c
--- devel/mm/page_alloc.c~mm-debug-dump-pageframes-on-bad_page	2005-11-22 22:31:17.000000000 -0800
+++ devel-akpm/mm/page_alloc.c	2005-11-22 22:31:17.000000000 -0800
@@ -139,6 +139,21 @@ static void bad_page(const char *functio
 		page->mapping, page_mapcount(page), page_count(page));
 	printk(KERN_EMERG "Backtrace:\n");
 	dump_stack();
+	{
+		int i;
+		unsigned char *ptr = (unsigned char *)page;
+		ptr -= 64;
+
+		printk(KERN_EMERG "Hexdump:");
+		for (i=0;i<192;i++) {
+			if ((i%16) == 0) {
+				printk("\n");
+				printk(KERN_EMERG "%03x:", i);
+			}
+			printk(" %02x", ptr[i]);
+		}
+		printk("\n");
+	}
 	printk(KERN_EMERG "Trying to fix it up, but a reboot is needed\n");
 	page->flags &= ~(1 << PG_lru	|
 			1 << PG_private |
_