http://bugzilla.kernel.org/show_bug.cgi?id=11312


[EMAIL PROTECTED] changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
OtherBugsDependingO|                            |11153
              nThis|                            |




------- Comment #18 from [EMAIL PROTECTED]  2008-09-04 12:37 -------
FYI a new incarnation of this bug seems to have appeared in 2.6.27-rc5 ...

Relevant patches applied included the one from Bug #11153 comment #18 (with
what seemed to be winning workarounds before -- not the original patch!) and
your diagnostic patch (which I hope will merge before 2.6.27-final).

Reproduce by running the test program from Bug #11153 comment #2 ... I then
observe the update IRQ firing *AT MOST TWICE* before being disabled.  That is,
the program output (slightly modified test program, the number in parens is the
tv_usec value of the timestamp when the UIE was received in userspace):

  Read using select(2) on /dev/rtc0:
      1    0.338471  (+0.999664) 0190
      2    1.338491  (+0.999684) 0190
  [ and never outputs again ]

The contents of /sys/firmware/acpi/interrupts/ff_rt_clk were initially
"disabled" (ignoring IRQ count), then "enabled" while the program was
successfully getting events, then "disabled" in the "never outputs again"
state.

So I put this bug back at blocking the fix to Bug #11153 ...


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