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Date:      Sun, 11 Jan 2015 11:08:11 -0700
From:      Jason Wolfe <nitroboost@gmail.com>
To:        Hans Petter Selasky <hps@selasky.org>
Cc:        Adrian Chadd <adrian@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org>, "freebsd-arch@freebsd.org" <freebsd-arch@freebsd.org>
Subject:   Re: [RFC] kern/kern_timeout.c rewrite in progress
Message-ID:  <CAAAm0r2eNYicq%2BKKj5f5EE%2BKLPxdvy15wj1ZWS=zA6sgOtcoGQ@mail.gmail.com>
In-Reply-To: <54B29A49.3080600@selasky.org>
References:  <54A1B38C.1000709@selasky.org> <20150101005613.4f788b0c@nonamehost.local> <54A49CA5.2060801@selasky.org> <54A4A002.8010802@selasky.org> <54A53F4F.2000003@selasky.org> <54A92ED1.2070906@selasky.org> <CAJ-Vmo=tc-hqykhyc5bQW8qd_34PZU6yfGY8wziByA0xnR3ANQ@mail.gmail.com> <54A9A71E.70609@selasky.org> <CAAAm0r39Sv3TCvwaCiNQ1Y9iBVtY_nb0A_iNOC41bgxqXmt%2B4w@mail.gmail.com> <54B29A49.3080600@selasky.org>

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Hans,

We've had 50 machines running 10.1-STABLE with this patch for the
better part of a week without issue.  Prior we would have seen a panic
every few days at the least, so things are looking very promising on
our front.

Jason

On Sun, Jan 11, 2015 at 8:44 AM, Hans Petter Selasky <hps@selasky.org> wrote:
> On 01/07/15 00:10, Jason Wolfe wrote:
>>
>>
>> Hans,
>>
>> We've been running into 'spin lock held too long' panics in the kernel
>> idle threads on 10-STABLE over the past 6 months, so I was interested
>> to see your work here in the callout code.  I went ahead and brought
>> this patch back to a recent 10.1-STABLE base without much issue,
>> kern_timeout.c was actually the only piece with some easily resolvable
>> rejections.
>>
>> I've had a box running stable under load with this patch for a few
>> days, and 10 more have just been added to the rotation.  Anyway just
>> figured you might be interested in the some feedback while the changes
>> are reviewed.
>>
>
> Hi,
>
> Thank your for testing this patch. Any updates?
>
> --HPS
>



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