severity 646429 important
merge 646429 653331
quit

P. wrote:

> A friend (thanks FrodoBaggins!) suggested Bug#646429
> (http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=646429) may be the
> same problem.
[...]
> Indeed: stars. After entering "echo +300 >
> /sys/class/rtc/rtc0/wakealarm" a proper value is shown, but is
> instantly forgotten on reboot or powerdown. A couple of
> kernel-reloadings using kexec appear to show that updating the
> wakealarm makes the difference between kernel 3.1 booting or not.

Thanks; merging.

> I haven't tried his patch, for two reasons: #1 I'm not very
> experienced with kernel compilation. #2 It would take approximately
> two eternities on the laptop in question.

There have been some rtc changes upstream:

 - v3.2-rc5~43^2~4 (rtc: Disable the alarm in the hardware,
   2011-11-22), cherry-picked as v3.1.5~23

 - v3.2-rc7~23^2~2 (rtc: Expire alarms after the time is set,
   2011-12-09)

but neither seems relevant.

My advice:

 - Please test version 3.1.5 or newer from sid, testing, or
   experimental.
 - If that reproduces the problem, please also try 3.2-rc7 or newer
   from experimental.
 - If that reproduces the problem, please send a summary of the
   problem to rtc-li...@googlegroups.com, cc-ing
   linux-ker...@vger.kernel.org, Alessandro Zummo
   <a.zu...@towertech.it>, John Stultz <john.stu...@linaro.org>, and
   either me or this bug log so we can track it.  Be sure to include
   a link to <http://bugs.debian.org/646429> for the diagnosis and
   be ready to answer questions if the developers have any.
 - If you find yourself wanting to test a patch, see [1] for
   instructions and feel free to do the actual building on some beefy
   machine other than the one you're testing on. :)

Thanks much, and good luck,
Jonathan

[1] http://kernel-handbook.alioth.debian.org/ch-common-tasks.html



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