26 lines
894 B
ReStructuredText
26 lines
894 B
ReStructuredText
.. _skiboot-5.9.4:
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=============
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skiboot-5.9.4
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=============
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skiboot 5.9.4 was released on Wednesday November 29th, 2017. It replaces
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:ref:`skiboot-5.9.3` as the current stable release in the 5.9.x series.
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Over :ref:`skiboot-5.9.3`, we have one NPU2/NVLink2 fix that works around
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a potential glitch (the one :ref:`skiboot-5.9.3` would hard crash on rather
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than let a system continue to run until it mysteriously crashed later on).
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That fix is in two parts:
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- npu2: hw-procedures: Change phy_rx_clock_sel values to recover from a
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potential glitch.
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- npu2: hw-procedures: Manipulate IOVALID during training
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Ensure that the IOVALID bit for this brick is raised at the start of
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link training, in the reset_ntl procedure.
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Then, to protect us from a glitch when the PHY clock turns off or gets
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chopped, lower IOVALID for the duration of the phy_reset and
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phy_rx_dccal procedures.
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