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Date: Mon, 29 Dec 2003 22:30:36 -0500
From: "Murray J. Root" <murrayr@brain.org>
To: linux-kernel@vger.kernel.org
Subject: Re: 2.6.0 kernel panic
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On Sat, Dec 27, 2003 at 09:07:59PM -0500, Murray J. Root wrote:
> P4 2GHz
> ASUS P4S533 mainboard
> 1G PC2700 RAM
> GF2 GTS video using nv driver
> 2.6.0 compiled with gcc 3.3.2
> 
> At boot kernel gets:
>    INIT: cannot execute "/etc/rc.d/rc.sysinit"
> then panic.
> 
> Same configuration for 2.6.0-test11 and earlier works fine.
> 

To answer myself, I did a diff between 2.6.0-test11 and 2.6.0. Found this:

diff -ru RAW260T11/mm/mmap.c RAW260/mm/mmap.c
--- RAW260T11/mm/mmap.c	2003-11-26 15:44:31.000000000 -0500
+++ RAW260/mm/mmap.c	2003-12-17 21:58:58.000000000 -0500
@@ -19,6 +19,7 @@
 #include <linux/hugetlb.h>
 #include <linux/profile.h>
 #include <linux/module.h>
+#include <linux/mount.h>
 
 #include <asm/uaccess.h>
 #include <asm/pgalloc.h>
@@ -474,8 +475,13 @@
 	struct rb_node ** rb_link, * rb_parent;
 	unsigned long charged = 0;
 
-	if (file && (!file->f_op || !file->f_op->mmap))
-		return -ENODEV;
+	if (file) {
+		if (!file->f_op || !file->f_op->mmap)
+			return -ENODEV;
+
+		if ((prot & PROT_EXEC) && (file->f_vfsmnt->mnt_flags & MNT_NOEXEC))
+			return -EPERM;
+	}
 
 	if (!len)
 		return addr;

I undid the changes and it boots fine.
Don't know if it makes a difference but I don't use an initrd.

-- 
Murray J. Root