Badness in local_bh_enable at kernel/softirq.c:119

Hi,
I am encountering the following
'Badness in local_bh_enable at kernel/softirq.c:119' when hanging up pppoe. This is of course reproducable for me.

Badness in local_bh_enable at kernel/softirq.c:119

Call Trace:
 [<c011d1b4>] local_bh_enable+0x38/0x54
 [<c029de95>] ppp_async_push+0x171/0x17c
 [<c029d68f>] ppp_asynctty_wakeup+0x27/0x4c
 [<c02446c7>] pty_unthrottle+0x23/0x48
 [<c0241541>] check_unthrottle+0x31/0x38
 [<c02415a0>] reset_buffer_flags+0x58/0x60
 [<c02415b3>] n_tty_flush_buffer+0xb/0x40
 [<c02449ee>] pty_flush_buffer+0x1a/0x48
 [<c023e7bf>] do_tty_hangup+0x113/0x31c
 [<c023e9e2>] tty_vhangup+0xa/0x10
 [<c024469d>] pty_close+0xfd/0x104
 [<c023f6aa>] release_dev+0x202/0x538
 [<c0138ce2>] unmap_page_range+0x3a/0x5c
 [<c023fd0e>] tty_release+0xa/0x10
 [<c0145f57>] __fput+0x3b/0xb0
 [<c0145f1b>] fput+0x13/0x14
 [<c0144cef>] filp_close+0x63/0x6c
 [<c011b298>] put_files_struct+0x4c/0xb4
 [<c011bc72>] do_exit+0x156/0x280
 [<c011bdc3>] sys_exit+0xf/0x10
 [<c010a627>] syscall_call+0x7/0xb

I am running http://linux.bkbits.net/linux-2.5 . Expect the kern.log output I have no other problems.

Greetings,
Thomas