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Message-ID: <51892802.6090707@ubuntu.com>
Date: Tue, 07 May 2013 12:12:50 -0400
From: Phillip Susi <psusi@ubuntu.com>
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To: Bjorn Helgaas <bhelgaas@google.com>
CC: Robert Hancock <hancockrwd@gmail.com>,
        "Artem S. Tashkinov" <t.artem@lycos.com>,
        Alan Stern <stern@rowland.harvard.edu>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
        "Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: Abysmal HDD/USB write speed after sleep on a UEFI system
References: <CAErSpo7qj2SNR7BfuBsfF-saZXvgcqqLtgoP5Hyb5u99qR4Ncg@mail.gmail.com> <Pine.LNX.4.44L0.1302191119270.2215-100000@iolanthe.rowland.org> <CAErSpo7NZoOQZyW76HEoOTVgdqL2CgbVScAeF6HGLAVaNCq0=w@mail.gmail.com> <337833384.57445.1361860509194.JavaMail.mail@webmail08> <CAErSpo6CbO5KYXiErv6J_Dnm1u694C5fQPP2_cZL8VKDEnZa9A@mail.gmail.com> <569718148.80620.1361906088301.JavaMail.mail@webmail13> <CAErSpo6UkVhSf+nFW4zwJLBQw_0RQ5H9Bv-UuQRb6zdwsFPw4g@mail.gmail.com> <CAErSpo4X+XXKvWDfqh2CKZAtJ9WMQk91OcsWwdxwYv2MfEM_zQ@mail.gmail.com> <771333906.75854.1367057440028.JavaMail.mail@webmail08> <CAErSpo4B4sRco-nuqgXiYtGQxBcbEB6ArQjHD0A9cj4TRE+qQw@mail.gmail.com> <518097B8.4020402@gmail.com> <CAErSpo7KWPRVEnw+n068pUZz+=WSTwno6m6t7N6dunuhnFC8EA@mail.gmail.com>
In-Reply-To: <CAErSpo7KWPRVEnw+n068pUZz+=WSTwno6m6t7N6dunuhnFC8EA@mail.gmail.com>
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On 5/7/2013 11:25 AM, Bjorn Helgaas wrote:
> Phillip, I cc'd you because you have similar hardware and your 
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1131468 report
> is slightly similar.  Have you seen anything like this "reduced 
> performance after resume" issue?  If so, can you collect
> /proc/mtrr contents before and after suspending?

Nope, not seen that issue.


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