Re: [REGRESSION] e1000e probe/link detection fails since 6.2 kernel

From: Bagas Sanjaya
Date: Wed Mar 29 2023 - 04:43:23 EST


On Tue, Mar 28, 2023 at 02:40:33PM +0200, Takashi Iwai wrote:
> Hi,
>
> 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=1209254
>
> It seems that the driver can't detect the 1000Mbps but only 10/100Mbps
> link, eventually making the device unusable.
>
> 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 to disable ULP
> [ 7.988925] e1000e 0000:00:1f.6 0000:00:1f.6 (uninitialized): registered PHC clock
> [ 8.069935] e1000e 0000:00:1f.6 eth0: (PCI Express:2.5GT/s:Width x1) 50:7b:9d:cf:13:43
> [ 8.069942] e1000e 0000:00:1f.6 eth0: Intel(R) PRO/1000 Network Connection
> [ 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 Duplex, Flow Control: None
> [ 15.437437] e1000e 0000:00:1f.6 eth0: NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
>
> 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 to disable ULP
> [ 7.201715] e1000e 0000:00:1f.6 0000:00:1f.6 (uninitialized): registered PHC clock
> [ 7.284038] e1000e 0000:00:1f.6 eth0: (PCI Express:2.5GT/s:Width x1) 50:7b:9d:cf:13:43
> [ 7.284044] e1000e 0000:00:1f.6 eth0: Intel(R) PRO/1000 Network Connection
> [ 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 Duplex, 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 Duplex, 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 Duplex, 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 Duplex, Flow Control: None
> [ 63.808668] e1000e 0000:00:1f.6 eth0: 10/100 speed: disabling TSO
>
> The same problem persists with 6.3-rc3.
>

I'm adding this to regzbot:

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

Thanks.

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

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