prism54 at boot fails

[Eric Tanguy <eric tanguy univ-nantes fr>]

I try to activate my prism54 wireless card at bootup but the system
fails :
eth0: uploading firmware...
audit(1118835134.219:31): avc:  denied  { write } for  pid=1910
comm="firmware.agent" name=loading dev=sysfs ino=6188
scontext=system_u:system_r:hotplug_t tcontext=system_u:object_r:sysfs_t
tclass=file
audit(1118835134.219:32): avc:  denied  { write } for  pid=1910
comm="firmware.agent" name=loading dev=sysfs ino=6188
scontext=system_u:system_r:hotplug_t tcontext=system_u:object_r:sysfs_t
tclass=file
audit(1118835134.219:33): avc:  denied  { search } for  pid=1912
comm="cp" name=selinux dev=dm-0 ino=27656630
scontext=system_u:system_r:hotplug_t
tcontext=system_u:object_r:selinux_config_t tclass=dir
audit(1118835134.220:34): avc:  denied  { write } for  pid=1912
comm="cp" name=data dev=sysfs ino=6193
scontext=system_u:system_r:hotplug_t tcontext=system_u:object_r:sysfs_t
tclass=file
audit(1118835134.220:35): avc:  denied  { write } for  pid=1910
comm="firmware.agent" name=loading dev=sysfs ino=6188
scontext=system_u:system_r:hotplug_t tcontext=system_u:object_r:sysfs_t
tclass=file
audit(1118835134.220:36): avc:  denied  { write } for  pid=1910
comm="firmware.agent" name=loading dev=sysfs ino=6188
scontext=system_u:system_r:hotplug_t tcontext=system_u:object_r:sysfs_t
tclass=file
prism54: request_firmware() failed for 'isl3890'
eth0: could not upload firmware ('isl3890')
eth0: islpci_reset: failure

what could be the problem ?

--
Eric Tanguy | Nantes, France 
<eric tanguy univ-nantes fr>
Key : A4B8368F | Key Server : subkeys.pgp.net 
Fedora Core release 4 (Stentz) sur athlon kernel 2.6.11-1.1369_FC4