Re: MULTIPLE WARNING: at fs/sysfs/dir.c:455 sysfs_add_one‏‏

[Greg KH <greg@kroah.com>]

On Thu, Jan 12, 2012 at 02:40:18PM -0600, Greg White wrote:
> 
> Hi,
>  
> I just installed Linux on my HP 6200 PC using UEFI. The Ubuntu lucid kernel caused my computer to freeze during shutdown and reboots. So I downloaded 3.1.6 from kernel.org and compiled my own kernel and it works fine except for the following messages in my dmesg:
>  
> [2.295957] ------------[ cut here ]------------
> [2.295962] WARNING: at fs/sysfs/dir.c:455 sysfs_add_one+0xc1/0xf0()
> [2.295964] Hardware name: HP Compaq 6200 Pro Small Form Factor
> [2.295966] sysfs: cannot create duplicate filename '/firmware/efi/vars/SlotPresent-ec87d643-eba4-4bb5-a1e5-3f3e36b20da9'

This is a BIOS problem, with EFI, go complain to your manufacturer that
they are creating multiple slots with the same name.

> [2.296043] kobject_add_internal failed for 
> SlotPresent-ec87d643-eba4-4bb5-a1e5-3f3e36b20da9 with -EEXIST, don't try to register things with the same name in the same directory.

See, the kernel told you this :)

best of luck,

greg k-h