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qemu: long guest (windows) boot time with kernel 4.2
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Fran
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Joined: 29 Feb 2004
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Location: Coruña (Spain)

PostPosted: Wed Sep 02, 2015 7:01 pm    Post subject: qemu: long guest (windows) boot time with kernel 4.2 Reply with quote

I've been using qemu with gpu passthrough to emulate windows at native speeds and it's been working flawlessly so far. With the 4.2.0 kernel update, however, guest boot times have increased significantly, and sometimes windows even fails to boot entirely. Reverting to kernel 4.1.5 is enough to get fast qemu boot times.

Does anyone else experience a similar problem? Is there a new 4.2 kernel setting that may cause this? Haven't found any info in google...
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