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[Bug 1395855] Re: Enable CONFIG_SCOM_DEBUGFS for ppc64el kernels


This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
trusty' to 'verification-done-trusty'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!

** Tags added: verification-needed-trusty

** Tags added: verification-needed-utopic

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  Enable CONFIG_SCOM_DEBUGFS for ppc64el kernels

Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Trusty:
  Fix Committed
Status in linux source package in Utopic:
  Fix Committed
Status in linux source package in Vivid:
  Fix Committed

Bug description:
  Please enable CONFIG_SCOM_DEBUGFS for ppc64el kernels, this creates some new files in debugfs that allow userspace (root only) to access the P7/P8 chip internal XSCOM bus, which is needed for  various debug/diag/mfg tools. There should be no runtime impact on performance or stability by just enabling that option.

  [Test Case]
   ls /sys/kernel/debug/powerpc/scom/*

  Enable CONFIG_SCOM_DEBUGFS for powerpc/powerpc64-smp and ppc64el/generic arch/flavors.

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