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Date: Tue, 12 Apr 2005 15:44:33 -0700
From: Kris Kennaway <kris@obsecurity.org>
To: Kris Kennaway <kris@obsecurity.org>
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cc: scottl@FreeBSD.org
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Subject: Re: "esp0: !TC on DATA XFER [intr 10, stat 83, step 4] prevphase 1,
	resid 4000" on e4500
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On Sat, Feb 26, 2005 at 06:10:01PM -0800, Kris Kennaway wrote:
> An e4500 running RELENG_5 crashed overnight with the following.  I
> asked Justin Gibbs about it, and he suggested that
>=20
> "The driver seems to be complaining that its internal state is
> indicating that a DMA is *not* in progress, but the chip is saying it
> is."
>=20
> Kris
>=20
> db> show msgbuf
> msgbufp =3D 0xfffff80001407fe0
> magic =3D 63062, size =3D 32736, r=3D 115944, w =3D 116197, ptr =3D 0xfff=
ff80001400000, cksum=3D 2460862
> esp0: !TC on DATA XFER [intr 10, stat 87, step 4] prevphase 0, resid 4000
> esp0: !TC on DATA XFER [intr 10, stat 83, step 4] prevphase 1, resid 800
> /var: bad dir ino 94212 at offset 0: mangled entry
> panic: ufs_dirbad: bad dir
> cpuid =3D 1
> KDB: enter: panic
> 0, stat 83, step 4] prevphase 1, resid 800
> esp0: !TC on DATA XFER [intr 10, stat 87, step 4] prevphase 0, resid 4000

This happened again.  Has anyone had further insights into what could
be wrong with the esp driver?

Kris

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