[Bug 1048056] Re: perf_event_open syscall fails for HW counters on Pandaboard

2013-01-17 Thread David Long
A fresh build of 3.4 from the origin/tilt-3.4 tracking branch also
works.

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Title:
  perf_event_open syscall fails for HW counters on Pandaboard

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[Bug 1048056] Re: perf_event_open syscall fails for HW counters on Pandaboard

2013-01-16 Thread Marat Dukhan
** Project changed: linux = linaro-landing-team-ti

** Also affects: linux (Ubuntu)
   Importance: Undecided
   Status: New

** Also affects: linux-meta (Ubuntu)
   Importance: Undecided
   Status: New

** No longer affects: linux-meta (Ubuntu)

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Title:
  perf_event_open syscall fails for HW counters on Pandaboard

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[Bug 1048056] Re: perf_event_open syscall fails for HW counters on Pandaboard

2013-01-16 Thread Marat Dukhan
apport-collect crashes on my Pandaboard.

** Changed in: linux (Ubuntu)
   Status: Incomplete = Confirmed

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Title:
  perf_event_open syscall fails for HW counters on Pandaboard

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[Bug 1048056] Re: perf_event_open syscall fails for HW counters on Pandaboard

2013-01-16 Thread David Long
I do not see this problem on a kernel built from the latest Linaro TI
3.2 sources using the default config file.  The error sounds like a
configuration error, or possibly a problem in the underlying hardware
event support which has been patched over time.

If you are intent on continuing with a 3.2 kernel I recommend rebuilding
it from sources checked out from the origin/tilt-3.2 tracking branch in
the git://git.linaro.org/landing-teams/working/ti/kernel.git repo.
Either use the omap4_defconfig under there or at least make sure
CONFIG_HW_PERF_EVENTS=y is present.

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  perf_event_open syscall fails for HW counters on Pandaboard

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[Bug 1048056] Re: perf_event_open syscall fails for HW counters on Pandaboard

2013-01-16 Thread warmcat
What's the situation with it on tilt-3.4?  3.2 is too old to care about
but 3.4 needs to work under the same conditions.

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Title:
  perf_event_open syscall fails for HW counters on Pandaboard

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