"Badness in local_bh_enable" in system log

I'am using Kubuntu Dapper Drake and while playing with my infrared dongle (STIR4200) I've found the following message in my system log:

Apr 23 17:31:11 localhost kernel: [4368842.616000] ircomm_tty_open - got signal while blocking on ASYNC_CLOSING!
Apr 23 17:47:04 localhost -- MARK --
Apr 23 17:54:25 localhost kernel: [4370237.148000] Badness in local_bh_enable at kernel/softirq.c:140
Apr 23 17:54:25 localhost kernel: [4370237.148000] [local_bh_enable+123/144] local_bh_enable+0x7b/0x90
Apr 23 17:54:25 localhost kernel: [4370237.148000] [dev_queue_xmit+168/752] dev_queue_xmit+0xa8/0x2f0
Apr 23 17:54:25 localhost kernel: [4370237.148000] [pg0+275740198/1069188096] irlap_send_data_primary_poll+0x1c6/0x220 [irda]
Apr 23 17:54:25 localhost kernel: [4370237.148000] [pg0+275725531/1069188096] irlap_state_xmit_p+0x23b/0x2b0 [irda]
Apr 23 17:54:25 localhost kernel: [4370237.148000] [pg0+275720302/1069188096] irlap_do_event+0xee/0x1e0 [irda]
Apr 23 17:54:25 localhost kernel: [4370237.148000] [pg0+275711939/1069188096] irlap_data_request+0x113/0x1b0 [irda]
Apr 23 17:54:25 localhost kernel: [4370237.148000] [pg0+275704278/1069188096] irlmp_state_dtr+0x206/0x360 [irda]
Apr 23 17:54:25 localhost kernel: [4370237.148000] [pg0+275690126/1069188096] irlmp_disconnect_request+0x6e/0x2b0 [irda]
Apr 23 17:54:25 localhost kernel: [4370237.148000] [pg0+275764255/1069188096] irttp_disconnect_request+0x7f/0x260 [irda]
Apr 23 17:54:25 localhost kernel: [4370237.148000] [pg0+278049203/1069188096] __ircomm_close+0x43/0x90 [ircomm]
Apr 23 17:54:25 localhost kernel: [4370237.148000] [pg0+277948316/1069188096] ircomm_tty_shutdown+0x10c/0x1a0 [ircomm_tty]
Apr 23 17:54:25 localhost kernel: [4370237.148000] [pg0+277945116/1069188096] ircomm_tty_close+0x19c/0x2c0 [ircomm_tty]
Apr 23 17:54:25 localhost kernel: [4370237.148000] [tty_fasync+110/272] tty_fasync+0x6e/0x110
Apr 23 17:54:25 localhost kernel: [4370237.148000] [release_dev+355/1904] release_dev+0x163/0x770
Apr 23 17:54:25 localhost kernel: [4370237.148000] [unix_release_sock+251/640] unix_release_sock+0xfb/0x280
Apr 23 17:54:25 localhost kernel: [4370237.148000] [invalidate_inode_buffers+18/112] invalidate_inode_buffers+0x12/0x70
Apr 23 17:54:25 localhost kernel: [4370237.148000] [inotify_dentry_parent_queue_event+82/224] inotify_dentry_parent_queue_event+0x52/0xe0
Apr 23 17:54:25 localhost kernel: [4370237.148000] [dput+243/528] dput+0xf3/0x210
Apr 23 17:54:25 localhost kernel: [4370237.148000] [tty_release+20/32] tty_release+0x14/0x20
Apr 23 17:54:25 localhost kernel: [4370237.148000] [__fput+163/400] __fput+0xa3/0x190
Apr 23 17:54:25 localhost kernel: [4370237.148000] [filp_close+82/144] filp_close+0x52/0x90
Apr 23 17:54:25 localhost kernel: [4370237.148000] [put_files_struct+123/208] put_files_struct+0x7b/0xd0
Apr 23 17:54:25 localhost kernel: [4370237.148000] [do_exit+303/1072] do_exit+0x12f/0x430
Apr 23 17:54:25 localhost kernel: [4370237.148000] [do_group_exit+64/176] do_group_exit+0x40/0xb0
Apr 23 17:54:25 localhost kernel: [4370237.148000] [sysenter_past_esp+84/117] sysenter_past_esp+0x54/0x75