Re: vm problems

[Daniel Phillips]

On August 29, 2001 01:47 pm, Gergely Madarasz wrote:
> On Wed, Aug 29, 2001 at 01:14:19PM +0200, Gergely Madarasz wrote:
> > Hello,
> > 
> > I get hundreds of this error message:
> > 
> > __alloc_pages: 0-order allocation failed.
> > 
> > The machine is an IBM x250 with 4G ram, the kernel is vanilla 2.4.9 and
> > 2.4.9-ac3, no swap, running bonnie++. When the memory fills up with cache,
> > I start receiving the error message. 
> 
> actually I thought I was running 2.4.9-ac3, but no, and I see the message
> is commented out in 2.4.9-ac3. Does this mean that it doesn't mean
> anything serious? Some of my processes were stuck in uninterruptible
> sleep, I couldn't even shutdown correctly, so there are some problems.

Please try it again with this patch so we can see what kind of allocation is failing:

--- 2.4.9.clean/mm/page_alloc.c	Thu Aug 16 12:43:02 2001
+++ 2.4.9/mm/page_alloc.c	Mon Aug 20 22:05:40 2001
@@ -502,7 +502,8 @@
 	}
 
 	/* No luck.. */
-	printk(KERN_ERR "__alloc_pages: %lu-order allocation failed.\n", order);
+	printk(KERN_ERR "__alloc_pages: %lu-order allocation failed (gfp=0x%x/%i).\n",
+		order, gfp_mask, !!(current->flags & PF_MEMALLOC));
 	return NULL;
 }