47 lines
1.8 KiB
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47 lines
1.8 KiB
ReStructuredText
.. _skiboot-5.9-rc4:
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skiboot-5.9-rc4
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===============
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skiboot v5.9-rc4 was released on Thursday October 19th 2017. It is the fourth
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release candidate of skiboot 5.9, which will become the new stable release
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of skiboot following the 5.8 release, first released August 31st 2017.
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skiboot v5.9-rc4 contains all bug fixes as of :ref:`skiboot-5.4.8`
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and :ref:`skiboot-5.1.21` (the currently maintained stable releases). We
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do not currently expect to do any 5.8.x stable releases.
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For how the skiboot stable releases work, see :ref:`stable-rules` for details.
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The current plan is to cut the final 5.9 by October 20th, with skiboot 5.9
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being for all POWER8 and POWER9 platforms in op-build v1.20 (Due October 18th,
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so we're running a bit behind there).
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This release will be targetted to early POWER9 systems.
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Over :ref:`skiboot-5.9-rc3`, we have the following changes:
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- phb4: Fix PCIe GEN4 on DD2.1 and above
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In this change:
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eef0e197ab PHB4: Default to PCIe GEN3 on POWER9 DD2.00
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We clamped DD2.00 parts to GEN3 but unfortunately this change also
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applies to DD2.1 and above.
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This fixes this to only apply to DD2.00.
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- occ-sensors : Add OCC inband sensor region to exports
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(useful for debugging)
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Two SRESET fixes:
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- core: direct-controls: Fix clearing of special wakeup
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'special_wakeup_count' is incremented on successfully asserting
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special wakeup. So we will never clear the special wakeup if we
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check 'special_wakeup_count' to be zero. Fix this issue by checking
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the 'special_wakeup_count' to 1 in dctl_clear_special_wakeup().
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- core/direct-controls: increase special wakeup timeout on POWER9
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Some instances have been observed where the special wakeup assert
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times out. The current timeout is too short for deeper sleep states.
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Hostboot uses 100ms, so match that.
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