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Diffstat (limited to 'roms/skiboot/doc/release-notes/skiboot-5.9.3.rst')
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diff --git a/roms/skiboot/doc/release-notes/skiboot-5.9.3.rst b/roms/skiboot/doc/release-notes/skiboot-5.9.3.rst new file mode 100644 index 000000000..af5149a1a --- /dev/null +++ b/roms/skiboot/doc/release-notes/skiboot-5.9.3.rst @@ -0,0 +1,24 @@ +.. _skiboot-5.9.3: + +============= +skiboot-5.9.3 +============= + +skiboot 5.9.3 was released on Wednesday November 22nd, 2017. It replaces +:ref:`skiboot-5.9.2` as the current stable release in the 5.9.x series. + +Over :ref:`skiboot-5.9.2`, we have one NPU2/NVLink2 fix that causes the +machine to crash hard in the event of hardware error rather than crash +mysteriously later on whenever the NVLink2 links are used. + +That fix is: + +- npu2: hw-procedures: Add check_credits procedure + + As an immediate mitigator for a current hardware glitch, add a procedure + that can be used to validate NTL credit values. This will be called as a + safeguard to check that link training succeeded. + + Assert that things are exactly as we expect, because if they aren't, the + system will experience a catastrophic failure shortly after the start of + link traffic. |