[Samsung Galaxy Nexus] 2lines.pl:
I have a problem. When I get message from facebook the gnex wakes up for a while.

08-17 18:54:29.867: E/ActivityThread(4957): Failed to find provider info for com.facebook.orca.notify.FbandroidMessagesForegroundProvider
08-17 18:54:30.328: I/PowerManagerService(378): Waking up from sleep...
08-17 18:54:30.382: D/YouTube MDX(14980): Recieved intent android.intent.action.SCREEN_ON
08-17 18:54:30.390: I/WindowManager(378): Lock screen displayed!
08-17 18:54:30.609: D/dalvikvm(9373): GC_FOR_ALLOC freed 1757K, 11% free 16376K/18224K, paused 131ms, total 131ms
08-17 18:54:30.695: D/PowerManagerService-JNI(378): Excessive delay in autosuspend_disable() while turning screen on: 353ms
08-17 18:54:30.695: D/SurfaceFlinger(129): Screen acquired, type=0 flinger=0x41f34478
08-17 18:54:30.734: D/dalvikvm(4957): GC_FOR_ALLOC freed 1984K, 23% free 17153K/22180K, paused 81ms, total 84ms
08-17 18:54:40.328: I/PowerManagerService(378): Going to sleep due to screen timeout...
08-17 18:54:40.828: D/SurfaceFlinger(129): Screen released, type=0 flinger=0x41f34478
08-17 18:54:40.890: D/YouTube MDX(14980): Recieved intent android.intent.action.SCREEN_OFF
08-17 18:54:40.984: V/KeyguardHostView(378): show transport, gen:160
08-17 18:54:40.984: V/KeyguardHostView(378): music state changed: 2
08-17 18:54:52.882: D/PlayEventLogger(10393): uploadEventsImpl: Thought we had files ready to send, but didn't
08-17 18:54:55.015: D/dalvikvm(594): GC_FOR_ALLOC freed 1441K, 11% free 15196K/16892K, paused 51ms, total 51ms
08-17 18:54:55.125: I/GCoreUlr(594): Successfully inserted location
08-17 18:54:55.132: I/GCoreUlr(594): Not calling LocationReportingService, hasMoved: false, elapsed millis: 1445393, request: Phone
08-17 18:55:30.578: W/Settings(9373): Setting wifi_sleep_policy has moved from android.provider.Settings.System to android.provider.Settings.Global, returning read-only value.
08-17 18:55:30.601: W/Settings(4957): Setting wifi_sleep_policy has moved from android.provider.Settings.System to android.provider.Settings.Global, returning read-only value.
08-17 18:55:55.101: I/GCoreUlr(594): Successfully inserted location
08-17 18:55:55.101: I/GCoreUlr(594): Not calling LocationReportingService, hasMoved: false, elapsed millis: 1505365, request: Phone
08-17 18:56:55.101: D/dalvikvm(378): GC_EXPLICIT freed 4396K, 25% free 27228K/36088K, paused 4ms+15ms, total 126ms
08-17 18:56:55.273: I/GCoreUlr(594): Successfully inserted location
08-17 18:56:55.273: I/GCoreUlr(594): Not calling LocationReportingService, hasMoved: false, elapsed millis: 1565537, request: Phone
08-17 18:56:57.218: E/ActivityThread(4957): Failed to find provider info for com.facebook.orca.notify.FbandroidMessagesForegroundProvider
08-17 18:56:57.828: D/dalvikvm(9373): GC_FOR_ALLOC freed 1820K, 11% free 16350K/18224K, paused 84ms, total 84ms
08-17 18:56:57.859: I/PowerManagerService(378): Waking up from sleep...
08-17 18:56:57.906: D/dalvikvm(4957): GC_FOR_ALLOC freed 2100K, 23% free 17107K/22180K, paused 119ms, total 119ms
08-17 18:56:57.914: I/WindowManager(378): Lock screen displayed!
08-17 18:56:57.929: D/YouTube MDX(14980): Recieved intent android.intent.action.SCREEN_ON
08-17 18:56:58.171: D/dalvikvm(460): GC_FOR_ALLOC freed 4526K, 22% free 26809K/34172K, paused 89ms, total 89ms
08-17 18:56:58.234: D/PowerManagerService-JNI(378): Excessive delay in autosuspend_disable() while turning screen on: 346ms
08-17 18:56:58.234: D/SurfaceFlinger(129): Screen acquired, type=0 flinger=0x41f34478
08-17 18:56:59.796: E/ActivityThread(4957): Failed to find provider info for com.facebook.orca.notify.FbandroidMessagesForegroundProvider

Sometimes it works and when I get message (FB) screen is still off.

Did u have sth like that?

PA 3.96

3.0.89-pa.franco.kernel

When I had stock 4.3 and stock kernel there was the same issue.

//edit

This problem is only when I'm using wifi.

With 3g it works like a charm.