lkml.org 
[lkml]   [2002]   [Jun]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: 2.5.23+ bootflag.c triggers __iounmap: bad address
On Fri, Jun 21, 2002 at 01:56:55PM +0200, Mikael Pettersson wrote:
> When booting 2.5.23/.24, my test boxes generate the following:
>
> (an ASUS P4T-E which has SBF)
> __iounmap: bad address d0802100
> SBF: Simple Boot Flag extension found and enabled.
> __iounmap: bad address d0805040
> __iounmap: bad address d0808080
> SBF: Setting boot flags 0x1
>
> (an old Intel AL440LX which doesn't have SBF)
> __iounmap: bad address c4800009
> __iounmap: bad address c4804b8c
> __iounmap: bad address c4802009
>
> These warnings/errors are new since 2.5.23, which makes me
> suspect something's wrong in the 2.5.23 iounmap changes.

Does this patch fix it?


-Andi



--- linux-2.5.23-work/arch/i386/mm/ioremap.c.~2~ Tue Jun 18 02:13:09 2002
+++ linux-2.5.23-work/arch/i386/mm/ioremap.c Fri Jun 21 14:42:23 2002
@@ -213,9 +213,9 @@
void iounmap(void *addr)
{
struct vm_struct *p;
- if (addr < high_memory)
+ if (addr <= high_memory)
return;
- p = remove_kernel_area(addr);
+ p = remove_kernel_area(PAGE_MASK & (unsigned long) addr);
if (!p) {
printk("__iounmap: bad address %p\n", addr);
return;
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2005-03-22 13:26    [W:0.033 / U:4.152 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site