Comment 10 for bug 93230

Here someone suggested a solution:

http://lkml.org/lkml/2007/5/8/505

Happens with Toshiba A7.

@Matteo: I have no dealy on boot, but I say another bug related to this, I think with the first Feisty released, related to NetworkManager, but it has been fixed in the meantime.

[ 22.308000] ACPI: Error installing notify handler
[ 22.308000] Device 'dock.0' does not have a release() function, it is broken and must be fixed.
[ 22.308000] BUG: at drivers/base/core.c:104 device_release()
[ 22.308000] [<c01ed609>] kobject_cleanup+0x49/0x90
[ 22.308000] [<c01ed650>] kobject_release+0x0/0x10
[ 22.308000] [<c01ee30b>] kref_put+0x2b/0xa0
[ 22.308000] [<f8db5723>] find_dock+0x1d0/0x1f0 [dock]
[ 22.308000] [<c021cb5d>] acpi_ns_walk_namespace+0xf9/0x114
[ 22.308000] [<c021b314>] acpi_walk_namespace+0x57/0x74
[ 22.308000] [<f8db5553>] find_dock+0x0/0x1f0 [dock]
[ 22.308000] [<f8a4e03c>] dock_init+0x3c/0x55 [dock]
[ 22.308000] [<f8db5553>] find_dock+0x0/0x1f0 [dock]
[ 22.308000] [<c014422d>] sys_init_module+0x15d/0x1ba0
[ 22.308000] [<c0107a5d>] sys_mmap2+0xcd/0xd0
[ 22.308000] [<c01031f0>] sysenter_past_esp+0x69/0xa9
[ 22.308000] =======================
[ 22.308000] No dock devices found.