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[Bug 753216] Re: [arrandale] Computer hangs when trying to sleep after external monitor is connected or disconnected

 

This is what I got from /var/log/pm-suspend.log

Initial commandline parameters: 
Thu Jun 16 17:37:57 EDT 2011: 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/00logging suspend suspend:
Linux a6 2.6.38-9-generic-phc #43~0natty0504~3beol-Ubuntu SMP Thu May 5 01:13:
21 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
Module                  Size  Used by
cryptd                 20510  0 
aes_x86_64             17208  8327 
aes_generic            38279  1 aes_x86_64
binfmt_misc            17565  1 
nouveau               682322  3 
ttm                    76664  1 nouveau
drm_kms_helper         42136  1 nouveau
drm                   227495  5 nouveau,ttm,drm_kms_helper
i2c_algo_bit           13400  1 nouveau
hdaps                  19207  1 
phc_intel              18278  1 
mperf                  12667  1 phc_intel
cpufreq_stats          13257  0 
dm_crypt               22993  0 
joydev                 17606  0 
snd_hda_codec_analog    98042  1 
snd_hda_intel          33211  2 
snd_hda_codec         103804  2 snd_hda_codec_analog,snd_hda_intel
arc4                   12529  2 
snd_hwdep              13604  1 snd_hda_codec
pcmcia                 49166  0 
snd_pcm                96391  2 snd_hda_intel,snd_hda_codec
thinkpad_acpi          81587  0 
snd_seq_midi           13324  0 
snd_rawmidi            30486  1 snd_seq_midi
snd_seq_midi_event     14899  1 snd_seq_midi
snd_seq                61621  2 snd_seq_midi,snd_seq_midi_event
ip6t_LOG               16975  4 
xt_hl                  12521  6 
ip6t_rt                12558  3 
nf_conntrack_ipv6      13908  7 
nf_defrag_ipv6         13325  1 nf_conntrack_ipv6
ip6t_REJECT            12609  2 
iwlagn                333500  0 
snd_timer              29602  2 snd_pcm,snd_seq
usbhid                 46956  0 
ppdev                  17113  0 
snd_seq_device         14462  3 snd_seq_midi,snd_rawmidi,snd_seq
xt_recent              18393  4 
r852                   18246  0 
ipt_LOG                17016  7 
usb_storage            53538  1 
sm_common              16817  1 r852
xt_limit               12711  14 
xt_tcpudp              12603  28 
snd                    67382  14 snd_hda_codec_analog,snd_hda_intel,snd_hda_co
dec,snd_hwdep,snd_pcm,thinkpad_acpi,snd_rawmidi,snd_seq,snd_timer,snd_seq_devi
ce
ipt_addrtype           12599  4 
hid                    91020  1 usbhid
nand                   55112  2 r852,sm_common
nand_ids               12723  1 nand
nand_ecc               13230  1 nand
tpm_tis                18537  0 
yenta_socket           27846  0 
xt_state               12578  20 
uas                    17996  0 
pcmcia_rsrc            18372  1 yenta_socket
ipt_REJECT             12576  3 
ip6table_filter        12815  1 
psmouse                73535  0 
ip6_tables             27845  3 ip6t_LOG,ip6t_rt,ip6table_filter
iwlcore               167503  1 iwlagn
nf_nat_irc             12643  0 
nf_conntrack_irc       13383  1 nf_nat_irc
nf_nat_ftp             12649  0 
nf_nat                 25736  2 nf_nat_irc,nf_nat_ftp
nf_conntrack_ipv4      19640  15 nf_nat
nf_defrag_ipv4         12729  1 nf_conntrack_ipv4
nf_conntrack_ftp       13359  1 nf_nat_ftp
nf_conntrack           81956  8 nf_conntrack_ipv6,xt_state,nf_nat_irc,nf_connt
rack_irc,nf_nat_ftp,nf_nat,nf_conntrack_ipv4,nf_conntrack_ftp
iptable_filter         12810  1 
ip_tables              27456  1 iptable_filter
x_tables               29581  15 ip6t_LOG,xt_hl,ip6t_rt,ip6t_REJECT,xt_recent,
ipt_LOG,xt_limit,xt_tcpudp,ipt_addrtype,xt_state,ipt_REJECT,ip6table_filter,ip
6_tables,iptable_filter,ip_tables
serio_raw              13166  0 
mac80211              294370  2 iwlagn,iwlcore
cfg80211              178528  3 iwlagn,iwlcore,mac80211
mtd                    27900  2 sm_common,nand
pcmcia_core            22569  3 pcmcia,yenta_socket,pcmcia_rsrc
tpm                    22267  1 tpm_tis
nvram                  14419  1 thinkpad_acpi
soundcore              12680  1 snd
snd_page_alloc         18529  2 snd_hda_intel,snd_pcm
parport_pc             36959  1 
tpm_bios               13684  1 tpm
tp_smapi               28471  0 
thinkpad_ec            14450  2 hdaps,tp_smapi
lp                     17825  0 
parport                46458  3 ppdev,parport_pc,lp
e1000e                159096  0 
firewire_ohci          40370  0 
firewire_core          62646  1 firewire_ohci
crc_itu_t              12707  1 firewire_core
sdhci_pci              13989  0 
sdhci                  27387  1 sdhci_pci
video                  19438  1 nouveau
ahci                   25951  2 
libahci                26642  1 ahci
             total       used       free     shared    buffers     cached
Mem:       3992480    3892948      99532          0      37704    2595708
-/+ buffers/cache:    1259536    2732944
Swap:      6384636        112    6384524

/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 /usr/lib/pm-utils/sleep.d/01PulseAudio suspend suspend:
Sessions still open, not unmounting
Sessions still open, not unmounting
Sessions still open, not unmounting
Welcome to PulseAudio! Use "help" for usage information.
>>> >>> Sessions still open, not unmounting
Sessions still open, not unmounting
Welcome to PulseAudio! Use "help" for usage information.
>>> >>> Sessions still open, not unmounting
Welcome to PulseAudio! Use "help" for usage information.
>>> >>> Sessions still open, not unmounting

/usr/lib/pm-utils/sleep.d/01PulseAudio 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/49bluetooth suspend suspend:

/usr/lib/pm-utils/sleep.d/49bluetooth suspend suspend: success.
Running hook /usr/lib/pm-utils/sleep.d/55NetworkManager suspend suspend:
Having NetworkManager put all interaces to sleep...Failed.

/usr/lib/pm-utils/sleep.d/55NetworkManager suspend suspend: success.
Running hook /usr/lib/pm-utils/sleep.d/60_wpa_supplicant suspend suspend:
Failed to connect to wpa_supplicant - wpa_ctrl_open: No such file or directory

/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: success.
Running hook /usr/lib/pm-utils/sleep.d/90clock suspend suspend:

/usr/lib/pm-utils/sleep.d/90clock suspend suspend: success.
Running hook /usr/lib/pm-utils/sleep.d/92sysfs suspend suspend:

/usr/lib/pm-utils/sleep.d/92sysfs suspend suspend: success.
Running hook /usr/lib/pm-utils/sleep.d/93phc suspend suspend:

/usr/lib/pm-utils/sleep.d/93phc suspend suspend: success.
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: success.
Running hook /usr/lib/pm-utils/sleep.d/95led suspend suspend:

/usr/lib/pm-utils/sleep.d/95led suspend suspend: success.
Running hook /usr/lib/pm-utils/sleep.d/98video-quirk-db-handler suspend suspen
d:
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.
Thu Jun 16 17:37:58 EDT 2011: performing suspend

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https://bugs.launchpad.net/bugs/753216

Title:
  [arrandale] Computer hangs when trying to sleep after external monitor
  is connected or disconnected

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References