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Subject: Re: Problems with em0 driver after upgrade to r303832
From: Doug Hardie <doug@mail.sermon-archive.info>
In-Reply-To: <20160809114023.GY96200@home.opsec.eu>
Date: Tue, 9 Aug 2016 17:42:28 -0700
Cc: Pete French <petefrench@ingresso.co.uk>,
 freebsd-stable@freebsd.org
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References: <E1bX4uK-00033V-TD@dilbert.ingresso.co.uk>
 <20160809114023.GY96200@home.opsec.eu>
To: Kurt Jaeger <lists@opsec.eu>
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> On 9 August 2016, at 04:40, Kurt Jaeger <lists@opsec.eu> wrote:
>=20
> Hi!
>=20
>> I upgraded my local machine to the above revision a few days ago. =
Since then I have seen the local em0 card locking up and getting he =
following
>> messages in dmesg
>>=20
>> em0: Watchdog timeout -- resetting
>> em0: link state changed to DOWN
>> em0: link state changed to UP
>>=20
>>=20
>> I thought it was the physical card, but I have swapped this out
>> for a completely different one and the problems remain.
>=20
> What does pciconf -lvb display for the PCI IDs for this card ?
>=20
> If you use r303832, this is CURRENT (12.x) ? Then maybe the
> question should be discussed on current@freebsd.org.


I am seeing this on 11.0-BETA3/4.

bge0@pci0:3:0:0:	class=3D0x020000 card=3D0x168614e4 =
chip=3D0x168614e4 rev=3D0x01 hdr=3D0x00
    vendor     =3D 'Broadcom Corporation'
    device     =3D 'NetXtreme BCM57766 Gigabit Ethernet PCIe'
    class      =3D network
    subclass   =3D ethernet
    bar   [10] =3D type Prefetchable Memory, range 64, base 0xa0700000, =
size 65536, enabled
    bar   [18] =3D type Prefetchable Memory, range 64, base 0xa0710000, =
size 65536, enabled

It does not occur on another machine with:

bge0@pci0:2:0:0:	class=3D0x020000 card=3D0x16b414e4 =
chip=3D0x16b414e4 rev=3D0x10 hdr=3D0x00
    vendor     =3D 'Broadcom Corporation'
    device     =3D 'NetXtreme BCM57765 Gigabit Ethernet PCIe'
    class      =3D network
    subclass   =3D ethernet
    bar   [10] =3D type Prefetchable Memory, range 64, base 0x90400000, =
size 65536, enabled
    bar   [18] =3D type Prefetchable Memory, range 64, base 0x90410000, =
size 65536, enabled