linux-kernel - Re: linux-next: Tree for August 14 (sysfs/acpi errors)

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Date:	Fri, 15 Aug 2008 13:27:00 +0200
From:	"Kay Sievers" <kay.sievers@...y.org>
To:	"Randy Dunlap" <randy.dunlap@...cle.com>
Cc:	"Stephen Rothwell" <sfr@...b.auug.org.au>, gregkh <greg@...ah.com>,
	ak@...ux.intel.com, linux-next@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>, linux-acpi@...r.kernel.org
Subject: Re: linux-next: Tree for August 14 (sysfs/acpi errors)

On Thu, Aug 14, 2008 at 17:38, Randy Dunlap <randy.dunlap@...cle.com> wrote:
> calling  param_sysfs_init+0x0/0x1e7
> ------------[ cut here ]------------
> WARNING: at fs/sysfs/dir.c:463 sysfs_add_one+0x35/0x3d()
> sysfs: duplicate filename 'acpi' can not be created

Hi Randy,
care to add a printk to the module sysfs setup, and post dmesg again?

--- a/kernel/params.c
+++ b/kernel/params.c
@@ -603,6 +603,8 @@ static void __init param_sysfs_builtin(void)
 		}
 		name_len = dot - kp->name;

+		printk("XXX adding modparam:'%s' %i (%p)\n", kp->name, i, kp);
+
  		/* new kbuild_modname? */
 		if (strlen(modname) != name_len
 		    || strncmp(modname, kp->name, name_len) != 0) {

I might show the order of registering the /sys/modules/ directory, and
if there is possibly another "acpi" section, which tries to add
parameter names.

Thanks,
Kay
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