encontrei neste site
http://diversosassuntosbrasil.blogspot.com/2011/06/solucao-bug-de-nao-desligamento-ubuntu.html uma alternativa, mas não sei se é confiável.
quero saber se podem me ajudar. Mas a preferencia é corrigir o problema e utilizar o modo tradicional para desligar.
encontrei, mas isso aqui
http://ubuntuforum-br.org/index.php?topic=11266.0 que o tota fala pra fazer, mas estou com medo de fazer besteira.
sudo lsmod
Module Size Used by
cryptd 19801 0
aes_i586 16956 2
aes_generic 38023 1 aes_i586
parport_pc 32111 0
ppdev 12849 0
dm_crypt 22463 0
binfmt_misc 13213 1
joydev 17322 0
arc4 12473 2
snd_hda_codec_hdmi 27479 1
snd_hda_codec_realtek 255820 1
acer_wmi 23123 0
sparse_keymap 13666 1 acer_wmi
snd_hda_intel 24140 2
snd_hda_codec 90901 3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel
snd_hwdep 13274 1 snd_hda_codec
snd_pcm 80244 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
ath9k 103633 0
snd_seq_midi 13132 0
uvcvideo 66851 0
videodev 75143 1 uvcvideo
snd_rawmidi 25269 1 snd_seq_midi
psmouse 73312 0
mac80211 257001 1 ath9k
serio_raw 12990 0
snd_seq_midi_event 14475 1 snd_seq_midi
snd_seq 51291 2 snd_seq_midi,snd_seq_midi_event
snd_timer 28659 2 snd_pcm,snd_seq
ath9k_common 13611 1 ath9k
snd_seq_device 14110 3 snd_seq_midi,snd_rawmidi,snd_seq
ath9k_hw 300328 2 ath9k,ath9k_common
ath 19141 2 ath9k,ath9k_hw
snd 55295 14 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
cfg80211 156212 3 ath9k,mac80211,ath
soundcore 12600 1 snd
intel_ips 17769 0
snd_page_alloc 14073 2 snd_hda_intel,snd_pcm
lp 13349 0
parport 36746 3 parport_pc,ppdev,lp
dm_raid45 88410 0
xor 21860 1 dm_raid45
btrfs 527341 0
zlib_deflate 26594 1 btrfs
libcrc32c 12543 1 btrfs
i915 450944 8
drm_kms_helper 40745 1 i915
drm 180037 4 i915,drm_kms_helper
ahci 21591 2
tg3 131476 0
libahci 25548 1 ahci
i2c_algo_bit 13184 1 i915
video 18951 1 i915
ramzswap 13202 0
xvmalloc 13453 1 ramzswap