Comment 4 for bug 362981

This happens also with kernel 2.6.28-9-generic #31-Ubuntu:

Kernel failure message 1:
WARNING: synaptics was reset on resume, see synaptics_resume_reset if you have trouble on resume
WARNING: synaptics was reset on resume, see synaptics_resume_reset if you have trouble on resume
r8169: eth0: link up
r8169: eth0: link up
Registered led device: iwl-phy0:radio
Registered led device: iwl-phy0:assoc
Registered led device: iwl-phy0:RX
Registered led device: iwl-phy0:TX
ADDRCONF(NETDEV_UP): wlan0: link is not ready
wlan0: direct probe to AP 00:0f:20:c6:54:0b try 1
wlan0: direct probe to AP 00:0f:20:c6:54:0b try 1
wlan0 direct probe responded
wlan0: authenticate with AP 00:0f:20:c6:54:0b
wlan0: authenticated
wlan0: associate with AP 00:0f:20:c6:54:0b
wlan0: RX AssocResp from 00:0f:20:c6:54:0b (capab=0x401 status=0 aid=102)
wlan0: associated
phy0: failed to restore operational channel after scan
ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
wlan0: disassociating by local choice (reason=3)
phy0: failed to restore operational channel after scan
sudo[5322]: segfault at 0 ip 000000000040bcf8 sp 00007fffd5c8d420 error 4 in sudo[400000+1e000]
sudo[5323]: segfault at 0 ip 000000000040bcf8 sp 00007fffd89da170 error 4 in sudo[400000+1e000]

Kernel failure message 2:
------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.28/kernel/power/main.c:177 suspend_test_finish+0x7c/0x80()
Component: resume devices
Modules linked in: sha256_generic aes_x86_64 aes_generic cbc binfmt_misc ppdev bridge stp bnep input_polldev dm_crypt lp parport snd_hda_intel joydev snd_pcm_oss snd_mixer_oss arc4 ecb snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device iwlagn iwlcore led_class snd mac80211 uvcvideo soundcore compat_ioctl32 video snd_page_alloc cfg80211 iTCO_wdt iTCO_vendor_support videodev v4l1_compat output usbhid pcspkr psmouse serio_raw intel_agp btusb nvidia(P) r8169 mii ehci_hcd uhci_hcd fbcon tileblit font bitblit softcursor
Pid: 4769, comm: pm-suspend Tainted: P 2.6.28-9-generic #31-Ubuntu
Call Trace:
 [<ffffffff802508d7>] warn_slowpath+0xb7/0xf0
 [<ffffffff8026d458>] ? down_trylock+0x38/0x50
 [<ffffffff80250ff0>] ? try_acquire_console_sem+0x10/0x40
 [<ffffffff8025c636>] ? lock_timer_base+0x36/0x70
 [<ffffffff8068c5a0>] ? printk+0x67/0x6f
 [<ffffffff80418797>] ? kobject_put+0x27/0x60
 [<ffffffff804b63a5>] ? put_device+0x15/0x20
 [<ffffffff804be38a>] ? dpm_complete+0x18a/0x1a0
 [<ffffffff8028000c>] suspend_test_finish+0x7c/0x80
 [<ffffffff802800f4>] suspend_devices_and_enter+0xe4/0x180
 [<ffffffff802803a9>] enter_state+0xe9/0x120
 [<ffffffff8028049a>] state_store+0xba/0x100
 [<ffffffff80418637>] kobj_attr_store+0x17/0x20
 [<ffffffff80347535>] sysfs_write_file+0xc5/0x140
 [<ffffffff802e7f3b>] vfs_write+0xcb/0x130
 [<ffffffff802e8090>] sys_write+0x50/0x90
 [<ffffffff8021253a>] system_call_fastpath+0x16/0x1b
---[ end trace cf646c66bda63ff1 ]---