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Date: Tue, 19 Apr 2005 10:46:50 -0700
From: Kris Kennaway <kris@obsecurity.org>
To: Robert Watson <rwatson@FreeBSD.org>
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cc: sparc64@FreeBSD.org
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cc: Kris Kennaway <kris@obsecurity.org>
Subject: Re: "panic: trap: fast data access mmu miss" in m_copym
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On Tue, Apr 19, 2005 at 08:36:28AM +0100, Robert Watson wrote:
> On Mon, 18 Apr 2005, Kris Kennaway wrote:
>=20
> >This on an u10 running
> >
> >FreeBSD 5.3-STABLE (NETBOOT) #1: Sun Dec 12 18:38:35 JST 2004
> >
> >It may already be fixed, but since this is clearly a very infrequent=20
> >problem (the other 7 machines with the same kernel have been running for=
=20
> >months) it will be hard to tell empirically.
> >
> >Unfortunately I don't seem to have a kernel.debug for this machine.
>=20
> Is it possible to build a kernel from around the right date and see how=
=20
> closely things match?

I could, but I don't know how well this is likely to work.
=20
> Do you have the full trap message?

The full trap message is as above.  sparc64 doesn't seem to give very
detailed trap information.

> There was a=20
> 2005/01/12 change to tcp_output.c that corrected a possible crash, but I=
=20
> don't have the details of the crash on-hand to know if it's the same one.=
=20
> A lin number would be very helpful, even approximate, for the call to=20
> m_copym() in tcp_output(), as well as the full fault message.

I'll try to get the line number.

Kris

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