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28 lines
1 KiB
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.. _skiboot-5.9.7:
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=============
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skiboot-5.9.7
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=============
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skiboot 5.9.7 was released on Friday December 22nd, 2017. It replaces
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:ref:`skiboot-5.9.6` as the current stable release in the 5.9.x series.
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Over :ref:`skiboot-5.9.6`, we have two bug fixes, they are:
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- phb4: Change PCI MMIO timers
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Currently we have a mismatch between the NCU and PCI timers for MMIO
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accesses. The PCI timers must be lower than the NCU timers otherwise
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it may cause checkstops.
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This changes PCI timeouts controlled by skiboot to 33-50ms. It should
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be forwards and backwards compatible with expected hostboot changes to
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the NCU timer.
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- p8-i2c: Limit number of retry attempts
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Currently we will attempt to start an I2C transaction until it succeeds.
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In the event that the OCC does not release the lock on an I2C bus this
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results in an async token being held forever and the kernel thread that
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started the transaction will block forever while waiting for an async
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completion message. Fix this by limiting the number of attempts to
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start the transaction.
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