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¿Ubuntu 14.04 se bloquea al reanudar desde la suspensión?

Escenario.

Recientemente desinstalé los controladores propiciatorios de Nvidia e instalé los nouveau.
Antes de eso, dormir y reanudar funcionaban bien. Entonces podría ser un problema con el controlador, pero no quiero contaminar mi kernel nuevamente.

Problema
pm-suspender o cerrar la tapa suspende la sesión, pero al reanudarla, me quedo atascado en la pantalla de inicio de sesión. todo se congela y se necesita un reinicio forzado para comenzar de nuevo.

Registros

Tue Aug  5 00:55:09 IST 2014: Finished.
Initial commandline parameters: 
Tue Aug  5 01:15:14 IST 2014: Running hooks for suspend.
Running hook /usr/lib/pm-utils/sleep.d/000kernel-change suspend suspend:
/usr/lib/pm-utils/sleep.d/000kernel-change suspend suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/000record-status suspend suspend:
/usr/lib/pm-utils/sleep.d/000record-status suspend suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/00logging suspend suspend:
Linux hardy 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
Module                  Size  Used by
ppp_deflate            12950  0 
bsd_comp               12921  0 
ppp_async              17413  1 
crc_ccitt              12707  1 ppp_async
ip6table_filter        12815  0 
ip6_tables             27025  1 ip6table_filter
pci_stub               12622  1 
vboxpci                23194  0 
vboxnetadp             25670  0 
vboxnetflt             27613  0 
vboxdrv               339502  3 vboxnetadp,vboxnetflt,vboxpci
rfcomm                 69160  8 
bnep                   19624  2 
binfmt_misc            17468  1 
nls_iso8859_1          12713  1 
snd_hda_codec_hdmi     46254  4 
iptable_filter         12810  0 
ipt_MASQUERADE         12880  1 
zte_ev                 13178  2 
iptable_nat            13011  1 
nf_conntrack_ipv4      15012  1 
nf_defrag_ipv4         12758  1 nf_conntrack_ipv4
nf_nat_ipv4            13263  1 iptable_nat
nf_nat                 21841  3 ipt_MASQUERADE,nf_nat_ipv4,iptable_nat
nf_conntrack           96976  5 ipt_MASQUERADE,nf_nat,nf_nat_ipv4,iptable_nat,nf_conntrack_ipv4
iptable_mangle         12695  0 
ip_tables              27239  3 iptable_filter,iptable_mangle,iptable_nat
x_tables               34059  6 ip6table_filter,ip_tables,ipt_MASQUERADE,iptable_filter,iptable_mangle,ip6_tables
usbserial              45014  6 zte_ev
arc4                   12608  2 
iwldvm                232285  0 
mac80211              630653  1 iwldvm
ppdev                  17671  0 
uvcvideo               80885  0 
videobuf2_vmalloc      13216  1 uvcvideo
videobuf2_memops       13362  1 videobuf2_vmalloc
videobuf2_core         40664  1 uvcvideo
videodev              134688  2 uvcvideo,videobuf2_core
dell_laptop            18168  0 
dcdbas                 14928  1 dell_laptop
snd_hda_codec_realtek    61438  1 
btusb                  32412  0 
bluetooth             391196  22 bnep,btusb,rfcomm
snd_hda_intel          52355  5 
snd_hda_codec         192906  3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel
snd_hwdep              13602  1 snd_hda_codec
snd_seq_midi           13324  0 
snd_seq_midi_event     14899  1 snd_seq_midi
snd_rawmidi            30144  1 snd_seq_midi
snd_pcm               102099  3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
snd_page_alloc         18710  2 snd_pcm,snd_hda_intel
intel_rapl             18773  0 
x86_pkg_temp_thermal    14205  0 
intel_powerclamp       14705  0 
kvm_intel             143060  0 
kvm                   451511  1 kvm_intel
crct10dif_pclmul       14289  0 
crc32_pclmul           13113  0 
ghash_clmulni_intel    13216  0 
aesni_intel            55624  0 
aes_x86_64             17131  1 aesni_intel
lrw                    13286  1 aesni_intel
gf128mul               14951  1 lrw
glue_helper            13990  1 aesni_intel
ablk_helper            13597  1 aesni_intel
snd_seq                61560  2 snd_seq_midi_event,snd_seq_midi
cryptd                 20359  3 ghash_clmulni_intel,aesni_intel,ablk_helper
snd_seq_device         14497  3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer              29482  2 snd_pcm,snd_seq
joydev                 17381  0 
serio_raw              13462  0 
iwlwifi               169932  1 iwldvm
cfg80211              484040  3 iwlwifi,mac80211,iwldvm
lpc_ich                21080  0 
snd                    69238  21 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_seq_device,snd_seq_midi
mei_me                 18627  0 
mei                    82276  1 mei_me
soundcore              12680  1 snd
dell_wmi               12761  0 
sparse_keymap          13948  1 dell_wmi
nouveau              1097199  4 
mxm_wmi                13021  1 nouveau
wmi                    19177  3 dell_wmi,mxm_wmi,nouveau
video                  19476  1 nouveau
ttm                    85115  1 nouveau
drm_kms_helper         53081  1 nouveau
drm                   303102  6 ttm,drm_kms_helper,nouveau
mac_hid                13205  0 
i2c_algo_bit           13413  1 nouveau
coretemp               13435  0 
lp                     17759  0 
parport                42348  2 lp,ppdev
hid_generic            12548  0 
usbhid                 52570  0 
hid                   106148  2 hid_generic,usbhid
psmouse               106678  0 
ahci                   25819  3 
r8169                  67581  0 
libahci                32560  1 ahci
mii                    13934  1 r8169
             total       used       free     shared    buffers     cached
Mem:       8135984    2435028    5700956      52340     154652     956940
-/+ buffers/cache:    1323436    6812548
Swap:      9764860          0    9764860
/usr/lib/pm-utils/sleep.d/00logging suspend suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/00powersave suspend suspend:
/usr/lib/pm-utils/sleep.d/00powersave suspend suspend: success.

Running hook /etc/pm/sleep.d/10_grub-common suspend suspend:
/etc/pm/sleep.d/10_grub-common suspend suspend: success.

Running hook /etc/pm/sleep.d/10_unattended-upgrades-hibernate suspend suspend:
/etc/pm/sleep.d/10_unattended-upgrades-hibernate suspend suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/50unload_alx suspend suspend:
/usr/lib/pm-utils/sleep.d/50unload_alx suspend suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/60_wpa_supplicant suspend suspend:
Selected interface 'wlan0'
OK
/usr/lib/pm-utils/sleep.d/60_wpa_supplicant suspend suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/75modules suspend suspend:
/usr/lib/pm-utils/sleep.d/75modules suspend suspend: not applicable.

Running hook /usr/lib/pm-utils/sleep.d/90clock suspend suspend:
/usr/lib/pm-utils/sleep.d/90clock suspend suspend: not applicable.

Running hook /usr/lib/pm-utils/sleep.d/94cpufreq suspend suspend:
/usr/lib/pm-utils/sleep.d/94cpufreq suspend suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/95anacron suspend suspend:
stop: Unknown instance: 
/usr/lib/pm-utils/sleep.d/95anacron suspend suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/95hdparm-apm suspend suspend:
/usr/lib/pm-utils/sleep.d/95hdparm-apm suspend suspend: not applicable.

Running hook /usr/lib/pm-utils/sleep.d/95led suspend suspend:
/usr/lib/pm-utils/sleep.d/95led suspend suspend: not applicable.

Running hook /usr/lib/pm-utils/sleep.d/98video-quirk-db-handler suspend suspend:
Kernel modesetting video driver detected, not using quirks.
/usr/lib/pm-utils/sleep.d/98video-quirk-db-handler suspend suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/99video suspend suspend:
kernel.acpi_video_flags = 0
/usr/lib/pm-utils/sleep.d/99video suspend suspend: success.

Running hook /etc/pm/sleep.d/novatel_3g_suspend suspend suspend:
/etc/pm/sleep.d/novatel_3g_suspend suspend suspend: success.

Tue Aug  5 01:15:15 IST 2014: performing suspend
Tue Aug  5 01:15:29 IST 2014: Awake.
Tue Aug  5 01:15:29 IST 2014: Running hooks for resume
Running hook /etc/pm/sleep.d/novatel_3g_suspend resume suspend:
/etc/pm/sleep.d/novatel_3g_suspend resume suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/99video resume suspend:
/usr/lib/pm-utils/sleep.d/99video resume suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/98video-quirk-db-handler resume suspend:
/usr/lib/pm-utils/sleep.d/98video-quirk-db-handler resume suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/95led resume suspend:
/usr/lib/pm-utils/sleep.d/95led resume suspend: not applicable.

Running hook /usr/lib/pm-utils/sleep.d/95hdparm-apm resume suspend:

/dev/sda:
 setting Advanced Power Management level to 0xfe (254)
 APM_level  = 254

/dev/sdb:
 setting Advanced Power Management level to 0xfe (254)
 APM_level  = 254
/usr/lib/pm-utils/sleep.d/95hdparm-apm resume suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/95anacron resume suspend:
/usr/lib/pm-utils/sleep.d/95anacron resume suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/94cpufreq resume suspend:
/usr/lib/pm-utils/sleep.d/94cpufreq resume suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/90clock resume suspend:
/usr/lib/pm-utils/sleep.d/90clock resume suspend: not applicable.

Running hook /usr/lib/pm-utils/sleep.d/75modules resume suspend:
Reloaded unloaded modules.
/usr/lib/pm-utils/sleep.d/75modules resume suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/60_wpa_supplicant resume suspend:
Selected interface 'wlan0'
OK
/usr/lib/pm-utils/sleep.d/60_wpa_supplicant resume suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/50unload_alx resume suspend:
/usr/lib/pm-utils/sleep.d/50unload_alx resume suspend: success.

Running hook /etc/pm/sleep.d/10_unattended-upgrades-hibernate resume suspend:
/etc/pm/sleep.d/10_unattended-upgrades-hibernate resume suspend: success.

Running hook /etc/pm/sleep.d/10_grub-common resume suspend:
/etc/pm/sleep.d/10_grub-common resume suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/00powersave resume suspend:
/usr/lib/pm-utils/sleep.d/00powersave resume suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/00logging resume suspend:
/usr/lib/pm-utils/sleep.d/00logging resume suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/000record-status resume suspend:
/usr/lib/pm-utils/sleep.d/000record-status resume suspend: success.

Running hook /usr/lib/pm-utils/sleep.d/000kernel-change resume suspend:
/usr/lib/pm-utils/sleep.d/000kernel-change resume suspend: success.

Los registros de Xorg

[  3167.616] (II) AIGLX: Suspending AIGLX clients for VT switch
[  3167.616] (II) NOUVEAU(0): NVLeaveVT is called.
[  3174.793] (II) AIGLX: Resuming AIGLX clients after VT switch
[  3174.793] (II) NOUVEAU(0): NVEnterVT is called.
[  3174.831] (II) NOUVEAU(0): EDID vendor "LGD", prod id 709
[  3174.831] (II) NOUVEAU(0): Printing DDC gathered Modelines:
[  3174.831] (II) NOUVEAU(0): Modeline "1920x1080"x0.0  148.50  1920 2008 2052 2
200  1080 1084 1089 1125 +hsync -vsync (67.5 kHz eP)
[  3174.831] (II) NOUVEAU(0): Modeline "1920x1080"x0.0  396.36  1920 1968 2000 2
888  1080 1083 1088 1372 +hsync -vsync (137.2 kHz e)
[  3174.831] (II) NOUVEAU(0): Modeline "1920x1080"x0.0  396.36  1920 1968 2000 2
888  1080 1083 1088 1248 +hsync -vsync (137.2 kHz e)
[  3174.831] (II) NOUVEAU(0): Modeline "1920x1080"x0.0  396.36  1920 1968 2000 2
888  1080 1083 1088 1144 +hsync -vsync (137.2 kHz e)
[  3174.961] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
(EE) [mi] EQ overflowing.  Additional events will be discarded until existing ev
ents are processed.
(EE) 
(EE) Backtrace:
(EE) 0: /usr/bin/X (xorg_backtrace+0x48) [0x7f9338f3cc78]
(EE) 1: /usr/bin/X (mieqEnqueue+0x22b) [0x7f9338f1eceb]
(EE) 2: /usr/bin/X (QueuePointerEvents+0x52) [0x7f9338e00b12] 
(EE) 3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f932f4c3000+0x57fd) [0x7f93      2f4c87fd]
(EE) 4: /usr/bin/X (0x7f9338d94000+0x92e88) [0x7f9338e26e88]
(EE) 5: /usr/bin/X (0x7f9338d94000+0xbb530) [0x7f9338e4f530]
(EE) 6: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f9337e91000+0x10340) [0x7f9337
 ea1340]
(EE) 7: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f93369a11c7]
(EE) 8: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmIoctl+0x34) [0x7f9337c883a4]
(EE) 9: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmCommandWrite+0x1e) [0x7f9337c8
 a6be]
(EE) 10: /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2 (nouveau_bo_wait+0x89) [0
 x7f9332e3f1c9]
(EE) 11: /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2 (nouveau_pushbuf_space+0x
 c6) [0x7f9332e403f6]
(EE) 12: /usr/lib/xorg/modules/drivers/nouveau_drv.so (0x7f9333043000+0x23859) [
 0x7f9333066859]
(EE) 13: /usr/lib/xorg/modules/libexa.so (0x7f9332a02000+0xd70f) [0x7f9332a0f70f
]
(EE) 14: /usr/lib/xorg/modules/libexa.so (0x7f9332a02000+0xe1bc) [0x7f9332a101bc
]
(EE) 15: /usr/lib/xorg/modules/libexa.so (0x7f9332a02000+0xc028) [0x7f9332a0e028
]
(EE) 16: /usr/bin/X (0x7f9338d94000+0x1333a6) [0x7f9338ec73a6]
(EE) 17: /usr/bin/X (0x7f9338d94000+0x12988e) [0x7f9338ebd88e]
(EE) 18: /usr/bin/X (0x7f9338d94000+0x55abe) [0x7f9338de9abe]
(EE) 19: /usr/bin/X (0x7f9338d94000+0x5994a) [0x7f9338ded94a] 
(EE) 20: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f93368d0ec
5]
(EE) 21: /usr/bin/X (0x7f9338d94000+0x44e7e) [0x7f9338dd8e7e]
(EE) 
(EE) [mi] These backtraces from mieqEnqueue may point to a culprit higher up the
stack.
(EE)   [mi] mieq is *NOT* the cause.  It is a victim.

Respuesta aceptada:

En pocas palabras, no puede usar nouveau que no admita poner el adaptador NVidia vga en suspensión y esperar que la suspensión funcione. Lo siento, tienes para instalar los controladores patentados de NVidia para que la suspensión vuelva a funcionar... mira esto:el controlador nouveau evita la suspensión, y ni siquiera lo necesitaría

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