kern/181632: 9.2-RC3 - on resume from suspend, disk operations are slower

[Mike Harding]

The following reply was made to PR kern/181632; it has been noted by GNATS.

From: Mike Harding <mvharding at gmail.com>
To: bug-followup at FreeBSD.org, Mike Harding <mvharding at gmail.com>
Cc:  
Subject: Re: kern/181632: 9.2-RC3 - on resume from suspend, disk operations
 are slower
Date: Thu, 29 Aug 2013 23:51:18 -0700

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 I was able to track this down by building kernels against /base/stable/9
 (it took
 -hours!-).
 
 The issue does occur with commit 244616, but does not occur with 244614.
 The
 only difference is a small patch to /usr/src/sys/dev/acpica/acpi_cpu.c -
 this
 code appears to do with c-state processing.
 
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 <div dir=3D"ltr"><div><div><div>I was able to track this down by building k=
 ernels against /base/stable/9 (it took<br></div><div>-hours!-).<br></div><d=
 iv><br></div>The issue does occur with commit 244616, but does not occur wi=
 th 244614.=A0 The<br>
 
 only difference is a small patch to /usr/src/sys/dev/acpica/acpi_cpu.c - th=
 is<br></div>code appears to do with c-state processing.<br><br></div></div>
 
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