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Date:      Thu, 29 Aug 2013 07:10:51 -0700
From:      Adrian Chadd <adrian@freebsd.org>
To:        Mike Harding <mvharding@gmail.com>
Cc:        FreeBSD Stable Mailing List <freebsd-stable@freebsd.org>
Subject:   Re: 9.2-RC3 - suspend/resume causes slow system performance
Message-ID:  <CAJ-Vmom970ZBLPLWWTomkKtX1w-Fi3cj5qva1_ODcx22nqEXfA@mail.gmail.com>
In-Reply-To: <CALRn2n_2tUc0vPCFpgmAjYRm1=7KB5sA3A%2BxQqcc=ye-S1-0LA@mail.gmail.com>
References:  <CALRn2n_2tUc0vPCFpgmAjYRm1=7KB5sA3A%2BxQqcc=ye-S1-0LA@mail.gmail.com>

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Wow. Uhm, can you downgrade to 9.1 and see if it still happens?

Would you be able to bisect the kernel source and see if you can find where
along stable/9 it happened? That's the fastest way to determine what broke.

Thanks!



-adrian



On 29 August 2013 06:32, Mike Harding <mvharding@gmail.com> wrote:

> I opened a ticket about this: kern/181632
>
> Basically, if I do a 'zzz' and then wake the system up, operations like a
> buildworld or portmaster take much longer after the resume - systat shows
> very low CPU/disk utilization.  It's 100% repeatable, I don't recall this
> happening on 9.1
>
> I build 9.2-RC3 from source (as I have for years) - this is a fairly
> generic SMP system (i5 750 with 4 cpus).
>
> Let me know if I can provide any data - this is a fairly significant
> regression for me as I have taken to bringing the system up as needed vs.
> leaving it on all of the time.
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