Openmoko Bug #2318: rtcwake: /dev/rtc0 not enabled for wakeup events

Openmoko Public Trac bugs at
Tue Nov 3 21:46:37 CET 2009

#2318: rtcwake: /dev/rtc0 not enabled for wakeup events
 Reporter:  josch            |          Owner:  openmoko-kernel
     Type:  defect           |         Status:  new            
 Priority:  normal           |      Milestone:                 
Component:  System Software  |        Version:  unspecified    
 Severity:  normal           |       Keywords:                 
 Haspatch:  0                |      Blockedby:                 
Estimated:                   |    Patchreview:                 
 Blocking:                   |   Reproducible:                 

Comment(by josch):


 rtcwake -s 20 -m no

 works but

 rtcwake -s 20

 yields the same error as above

 on 2.6.31

 rtcwake -s 20 -m no

 doesnt give the original /dev/rtc0 error but doesnt wake up afterwards -
 but the same happens when just issuing


 without rtc so that is another bug report to be filed for the new kernel.

 i just would have had suspected rtcwake to be able to suspend itself
 without pm-suspend but as it seems to work on 2.6.28 with pm-suspend
 issued manually it is probably no kernel bug

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