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Date:   Wed, 29 Mar 2023 15:43:10 +0700
From:   Bagas Sanjaya <bagasdotme@gmail.com>
To:     Takashi Iwai <tiwai@suse.de>,
        Jesse Brandeburg <jesse.brandeburg@intel.com>,
        Tony Nguyen <anthony.l.nguyen@intel.com>
Cc:     regressions@lists.linux.dev, intel-wired-lan@lists.osuosl.org,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [REGRESSION] e1000e probe/link detection fails since 6.2 kernel
Message-ID: <ZCP6Hhs21zzpzBQE@debian.me>
References: <87jzz13v7i.wl-tiwai@suse.de>
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On Tue, Mar 28, 2023 at 02:40:33PM +0200, Takashi Iwai wrote:
> Hi,
>=20
> we've got a regression report for e1000e device on Lenovo T460p since
> 6.2 kernel (with openSUSE Tumbleweed).  The details are found in
>   https://bugzilla.opensuse.org/show_bug.cgi?id=3D1209254
>=20
> It seems that the driver can't detect the 1000Mbps but only 10/100Mbps
> link, eventually making the device unusable.
>=20
> On 6.1.12:
> [    5.119117] e1000e: Intel(R) PRO/1000 Network Driver
> [    5.119120] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
> [    5.121754] e1000e 0000:00:1f.6: Interrupt Throttling Rate (ints/sec) =
set to dynamic conservative mode
> [    7.905526] e1000e 0000:00:1f.6 0000:00:1f.6 (uninitialized): Failed t=
o disable ULP
> [    7.988925] e1000e 0000:00:1f.6 0000:00:1f.6 (uninitialized): register=
ed PHC clock
> [    8.069935] e1000e 0000:00:1f.6 eth0: (PCI Express:2.5GT/s:Width x1) 5=
0:7b:9d:cf:13:43
> [    8.069942] e1000e 0000:00:1f.6 eth0: Intel(R) PRO/1000 Network Connec=
tion
> [    8.072691] e1000e 0000:00:1f.6 eth0: MAC: 12, PHY: 12, PBA No: 1000FF=
-0FF
> [   11.643919] e1000e 0000:00:1f.6 eth0: NIC Link is Up 1000 Mbps Full Du=
plex, Flow Control: None
> [   15.437437] e1000e 0000:00:1f.6 eth0: NIC Link is Up 1000 Mbps Full Du=
plex, Flow Control: None
>=20
> On 6.2.4:
> [    4.344140] e1000e: Intel(R) PRO/1000 Network Driver
> [    4.344143] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
> [    4.344933] e1000e 0000:00:1f.6: Interrupt Throttling Rate (ints/sec) =
set to dynamic conservative mode
> [    7.113334] e1000e 0000:00:1f.6 0000:00:1f.6 (uninitialized): Failed t=
o disable ULP
> [    7.201715] e1000e 0000:00:1f.6 0000:00:1f.6 (uninitialized): register=
ed PHC clock
> [    7.284038] e1000e 0000:00:1f.6 eth0: (PCI Express:2.5GT/s:Width x1) 5=
0:7b:9d:cf:13:43
> [    7.284044] e1000e 0000:00:1f.6 eth0: Intel(R) PRO/1000 Network Connec=
tion
> [    7.284125] e1000e 0000:00:1f.6 eth0: MAC: 12, PHY: 12, PBA No: 1000FF=
-0FF
> [   10.897973] e1000e 0000:00:1f.6 eth0: NIC Link is Up 10 Mbps Full Dupl=
ex, Flow Control: None
> [   10.897977] e1000e 0000:00:1f.6 eth0: 10/100 speed: disabling TSO
> [   14.710059] e1000e 0000:00:1f.6 eth0: NIC Link is Up 10 Mbps Full Dupl=
ex, Flow Control: None
> [   14.710064] e1000e 0000:00:1f.6 eth0: 10/100 speed: disabling TSO
> [   59.894807] e1000e 0000:00:1f.6 eth0: NIC Link is Up 10 Mbps Full Dupl=
ex, Flow Control: None
> [   59.894812] e1000e 0000:00:1f.6 eth0: 10/100 speed: disabling TSO
> [   63.808662] e1000e 0000:00:1f.6 eth0: NIC Link is Up 10 Mbps Full Dupl=
ex, Flow Control: None
> [   63.808668] e1000e 0000:00:1f.6 eth0: 10/100 speed: disabling TSO
>=20
> The same problem persists with 6.3-rc3.
>=20

I'm adding this to regzbot:

#regzbot ^introduced: v6.1.12..v6.2.4
#regzbot: e1000 probe/link detection fails since v6.2

Thanks.

--=20
An old man doll... just what I always wanted! - Clara

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