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Date:      Sat, 24 Apr 2010 15:19:54 +0300
From:      Kostik Belousov <kostikbel@gmail.com>
To:        Bruce Cran <bruce@cran.org.uk>
Cc:        Michael Moll <kvedulv@kvedulv.de>, freebsd-bugs@freebsd.org
Subject:   Re: amd64/135014: [padlock] Using padlock(4) in 8-current triggers "fpudna in kernel mode!" warnings
Message-ID:  <20100424121954.GE2422@deviant.kiev.zoral.com.ua>
In-Reply-To: <201004240908.32856.bruce@cran.org.uk>
References:  <20100405141508.GC7513@darkthrone.kvedulv.de> <201004051622.36096.bruce@cran.org.uk> <201004221904.58736.bruce@cran.org.uk> <201004240908.32856.bruce@cran.org.uk>

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On Sat, Apr 24, 2010 at 09:08:32AM +0100, Bruce Cran wrote:
> On Thursday 22 April 2010 19:04:58 Bruce Cran wrote:
> > On Monday 05 April 2010 16:22:36 Bruce Cran wrote:
> > > On Monday 05 April 2010 15:15:08 Michael Moll wrote:
> > > > the patch from
> > > > http://people.freebsd.org/~kib/misc/kern_fpu.2.patch
> > > > fixes this problem for me.
> > >=20
> > > The patch fixes the problem on my i386 mini-iTX system too.
> >=20
> > I don't know if it's related, but I've been having regular crashes on t=
he
> > same box since applying the patch. Sometimes it runs for 12 hours, other
> > times only for a few minutes.
>=20
> I had thought the dumps were being corrupted but taking another look I've=
=20
> found the machine started generating core.txt files a couple of days ago =
which=20
> confirmed the crashes happening in fpu_kern_leave. I've built a kernel wi=
th=20
> the kern_fpu.3.patch and the machine has survived lots of network and dis=
k=20
> traffic, which would normally have caused a crash.

You still neglected to show me the _actual_ error, with backtrace,
that happen.

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