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| <section id="skiboot-6-0-15"> |
| <span id="id1"></span><h1>skiboot-6.0.15<a class="headerlink" href="#skiboot-6-0-15" title="Link to this heading">¶</a></h1> |
| <p>skiboot 6.0.15 was released on Monday December 17th, 2018. It replaces |
| <a class="reference internal" href="skiboot-6.0.14.html#skiboot-6-0-14"><span class="std std-ref">skiboot-6.0.14</span></a> as the current stable release in the 6.0.x series.</p> |
| <p>It is recommended that 6.0.15 be used instead of any previous 6.0.x version |
| due to the bug fixes it contains.</p> |
| <p>Bug fixes included in this release are:</p> |
| <ul> |
| <li><p>i2c: Fix i2c request hang during opal init if timers are not checked</p> |
| <p>If an i2c request cannot go through the first time, because the bus is |
| found in error and need a reset or it’s locked by the OCC for example, |
| the underlying i2c implementation is using timers to manage the |
| request. However during opal init, opal pollers may not be called, it |
| depends in the context in which the i2c request is made. If the |
| pollers are not called, the timers are not checked and we can end up |
| with an i2c request which will not move foward and skiboot hangs.</p> |
| <p>Fix it by explicitly checking the timers if we are waiting for an i2c |
| request to complete and it seems to be taking a while.</p> |
| </li> |
| <li><p>opal-prd: hservice: Enable hservice->wakeup() in BMC</p> |
| <p>This patch enables HBRT to use HYP special wakeup register in openBMC |
| which until now was only used in FSP based machines.</p> |
| <p>This patch also adds a capability check for opal-prd so that HBRT can |
| decide if the host special wakeup register can be used.</p> |
| </li> |
| <li><p>npu2: Advertise correct TCE page size</p> |
| <p>The P9 NPU workbook says that only 4K/64K/16M/256M page size are supported |
| and in fact npu2_map_pe_dma_window() supports just these but in absence of |
| the “ibm,supported-tce-sizes” property Linux assumes the default P9 PHB4 |
| page sizes - 4K/64K/2M/1G - so when Linux tries 2M/1G TCEs, we get lots of |
| “Unexpected TCE size” from npu2_tce_kill().</p> |
| <p>This advertises TCE page sizes so Linux could handle it correctly, i.e. |
| fall back to 4K/64K TCEs.</p> |
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