| 1 | <?xml version='1.0' encoding='UTF-8'?>
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| 2 | <!DOCTYPE topic PUBLIC "-//OASIS//DTD DITA Topic//EN" "topic.dtd">
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| 3 | <topic xml:lang="en-us" id="ts_solaris-10-guest-slow-boot-smp">
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| 4 | <title>Certain Oracle Solaris 10 Releases May Take a Long Time to Boot with SMP</title>
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| 5 |
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| 6 | <body>
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| 7 | <p>
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| 8 | When using more than one CPU, Oracle Solaris 10 10/08, and
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| 9 | Oracle Solaris 10 5/09 may take a long time to boot and may
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| 10 | print warnings on the system console regarding failures to read
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| 11 | from disk. This is a bug in Oracle Solaris 10 which affects
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| 12 | specific physical and virtual configurations. It is caused by
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| 13 | trying to read microcode updates from the boot disk when the
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| 14 | disk interrupt is reassigned to a not yet fully initialized
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| 15 | secondary CPU. Disk reads will time out and fail, triggering
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| 16 | delays of about 45 seconds and warnings.
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| 17 | </p>
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| 18 | <p>
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| 19 | The recommended solution is upgrading to at least Oracle Solaris
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| 20 | 10 10/09 which includes a fix for this problem. Alternative
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| 21 | solutions include restricting the number of virtual CPUs to one
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| 22 | or possibly using a different storage controller.
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| 23 | </p>
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| 24 | </body>
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| 25 |
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| 26 | </topic>
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