On my laptop, Ethernet has been limited to 100 Mbps for a few days.
Nothing changed on the network side. Just a few upgrades on the laptop
(Debian/unstable). Any explanation?
xvii:~> zgrep e1000e:
/var/log/{kern.log.4.gz,kern.log.3.gz,kern.log.2.gz,kern.log.1,kern.log}
/var/log/kern.log.4.gz:Jul 25 08:52:14 xvii kernel: [551721.072200] e1000e:
eth0 NIC Link is Down
/var/log/kern.log.4.gz:Jul 25 09:44:48 xvii kernel: [554875.032922] e1000e:
eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log.4.gz:Jul 25 09:45:00 xvii kernel: [554887.528143] e1000e:
eth0 NIC Link is Down
/var/log/kern.log.4.gz:Jul 25 09:45:38 xvii kernel: [554924.937194] e1000e:
eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log.4.gz:Jul 25 09:46:11 xvii kernel: [554957.808911] e1000e:
eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log.4.gz:Jul 28 00:16:56 xvii kernel: [ 0.805857] e1000e:
Intel(R) PRO/1000 Network Driver - 2.3.2-k
/var/log/kern.log.4.gz:Jul 28 00:16:56 xvii kernel: [ 0.805859] e1000e:
Copyright(c) 1999 - 2013 Intel Corporation.
/var/log/kern.log.4.gz:Jul 28 00:17:20 xvii kernel: [ 76.724904] e1000e: eth0
NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log.3.gz:Jul 28 01:22:13 xvii kernel: [ 0.822007] e1000e:
Intel(R) PRO/1000 Network Driver - 2.3.2-k
/var/log/kern.log.3.gz:Jul 28 01:22:13 xvii kernel: [ 0.822011] e1000e:
Copyright(c) 1999 - 2013 Intel Corporation.
/var/log/kern.log.3.gz:Jul 28 01:22:32 xvii kernel: [ 72.800920] e1000e: eth0
NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log.3.gz:Jul 28 02:47:36 xvii kernel: [ 0.793633] e1000e:
Intel(R) PRO/1000 Network Driver - 2.2.14-k
/var/log/kern.log.3.gz:Jul 28 02:47:36 xvii kernel: [ 0.793636] e1000e:
Copyright(c) 1999 - 2013 Intel Corporation.
/var/log/kern.log.3.gz:Jul 28 02:47:59 xvii kernel: [ 63.076906] e1000e: eth0
NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log.3.gz:Jul 28 02:51:54 xvii kernel: [ 0.805266] e1000e:
Intel(R) PRO/1000 Network Driver - 2.3.2-k
/var/log/kern.log.3.gz:Jul 28 02:51:54 xvii kernel: [ 0.805268] e1000e:
Copyright(c) 1999 - 2013 Intel Corporation.
/var/log/kern.log.3.gz:Jul 28 02:52:16 xvii kernel: [ 62.320928] e1000e: eth0
NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log.3.gz:Jul 28 18:12:30 xvii kernel: [ 0.822495] e1000e:
Intel(R) PRO/1000 Network Driver - 2.3.2-k
/var/log/kern.log.3.gz:Jul 28 18:12:30 xvii kernel: [ 0.822498] e1000e:
Copyright(c) 1999 - 2013 Intel Corporation.
/var/log/kern.log.3.gz:Jul 28 18:12:53 xvii kernel: [ 60.996886] e1000e: eth0
NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log.3.gz:Aug 1 10:13:27 xvii kernel: [ 0.797585] e1000e:
Intel(R) PRO/1000 Network Driver - 2.3.2-k
/var/log/kern.log.3.gz:Aug 1 10:13:27 xvii kernel: [ 0.797588] e1000e:
Copyright(c) 1999 - 2013 Intel Corporation.
/var/log/kern.log.3.gz:Aug 1 10:13:51 xvii kernel: [ 63.156920] e1000e: eth0
NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log.3.gz:Aug 1 10:24:24 xvii kernel: [ 0.813076] e1000e:
Intel(R) PRO/1000 Network Driver - 2.3.2-k
/var/log/kern.log.3.gz:Aug 1 10:24:24 xvii kernel: [ 0.813080] e1000e:
Copyright(c) 1999 - 2013 Intel Corporation.
/var/log/kern.log.3.gz:Aug 1 10:24:46 xvii kernel: [ 60.084890] e1000e: eth0
NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log.3.gz:Aug 2 13:34:14 xvii kernel: [ 0.814672] e1000e:
Intel(R) PRO/1000 Network Driver - 2.3.2-k
/var/log/kern.log.3.gz:Aug 2 13:34:14 xvii kernel: [ 0.814674] e1000e:
Copyright(c) 1999 - 2013 Intel Corporation.
/var/log/kern.log.3.gz:Aug 2 13:34:38 xvii kernel: [ 63.636882] e1000e: eth0
NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log.2.gz:Aug 7 00:56:29 xvii kernel: [386574.536143] e1000e:
eth0 NIC Link is Down
/var/log/kern.log.2.gz:Aug 7 00:56:32 xvii kernel: [386577.985236] e1000e:
eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log.2.gz:Aug 7 00:57:22 xvii kernel: [386627.508912] e1000e:
eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log.2.gz:Aug 7 14:33:05 xvii kernel: [435571.004555] e1000e:
eth0 NIC Link is Down
/var/log/kern.log.2.gz:Aug 7 14:33:14 xvii kernel: [435580.093180] e1000e:
eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log.2.gz:Aug 7 14:33:21 xvii kernel: [435586.304971] e1000e:
eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log.2.gz:Aug 7 14:33:25 xvii kernel: [435591.044195] e1000e:
eth0 NIC Link is Down
/var/log/kern.log.2.gz:Aug 7 14:34:02 xvii kernel: [435628.144983] e1000e:
eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log.2.gz:Aug 7 14:34:39 xvii kernel: [435664.505177] e1000e:
eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log.2.gz:Aug 9 05:37:43 xvii kernel: [576249.064389] e1000e:
eth0 NIC Link is Down
/var/log/kern.log.2.gz:Aug 9 23:49:34 xvii kernel: [ 0.801550] e1000e:
Intel(R) PRO/1000 Network Driver - 2.3.2-k
/var/log/kern.log.2.gz:Aug 9 23:49:34 xvii kernel: [ 0.801552] e1000e:
Copyright(c) 1999 - 2013 Intel Corporation.
/var/log/kern.log.2.gz:Aug 10 11:51:52 xvii kernel: [ 0.811342] e1000e:
Intel(R) PRO/1000 Network Driver - 2.3.2-k
/var/log/kern.log.2.gz:Aug 10 11:51:52 xvii kernel: [ 0.811345] e1000e:
Copyright(c) 1999 - 2013 Intel Corporation.
/var/log/kern.log.1:Aug 13 01:05:03 xvii kernel: [ 0.817054] e1000e:
Intel(R) PRO/1000 Network Driver - 2.3.2-k
/var/log/kern.log.1:Aug 13 01:05:03 xvii kernel: [ 0.817055] e1000e:
Copyright(c) 1999 - 2013 Intel Corporation.
/var/log/kern.log.1:Aug 13 19:09:25 xvii kernel: [15292.321188] e1000e: eth0
NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log.1:Aug 14 12:16:23 xvii kernel: [ 0.813690] e1000e:
Intel(R) PRO/1000 Network Driver - 2.3.2-k
/var/log/kern.log.1:Aug 14 12:16:23 xvii kernel: [ 0.813692] e1000e:
Copyright(c) 1999 - 2013 Intel Corporation.
/var/log/kern.log.1:Aug 14 12:16:55 xvii kernel: [ 76.840908] e1000e: eth0
NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log:Aug 18 12:01:37 xvii kernel: [ 0.810732] e1000e: Intel(R)
PRO/1000 Network Driver - 2.3.2-k
/var/log/kern.log:Aug 18 12:01:37 xvii kernel: [ 0.810734] e1000e:
Copyright(c) 1999 - 2013 Intel Corporation.
/var/log/kern.log:Aug 18 12:02:11 xvii kernel: [ 73.792906] e1000e: eth0 NIC
Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log:Aug 18 12:17:54 xvii kernel: [ 0.813632] e1000e: Intel(R)
PRO/1000 Network Driver - 2.3.2-k
/var/log/kern.log:Aug 18 12:17:54 xvii kernel: [ 0.813634] e1000e:
Copyright(c) 1999 - 2013 Intel Corporation.
/var/log/kern.log:Aug 18 12:18:25 xvii kernel: [ 70.096887] e1000e: eth0 NIC
Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log:Aug 18 16:15:44 xvii kernel: [ 0.806852] e1000e: Intel(R)
PRO/1000 Network Driver - 2.3.2-k
/var/log/kern.log:Aug 18 16:15:44 xvii kernel: [ 0.806855] e1000e:
Copyright(c) 1999 - 2013 Intel Corporation.
/var/log/kern.log:Aug 18 16:16:17 xvii kernel: [ 78.968919] e1000e: eth0 NIC
Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log:Aug 18 16:21:01 xvii kernel: [ 0.807109] e1000e: Intel(R)
PRO/1000 Network Driver - 2.2.14-k
/var/log/kern.log:Aug 18 16:21:01 xvii kernel: [ 0.807111] e1000e:
Copyright(c) 1999 - 2013 Intel Corporation.
/var/log/kern.log:Aug 18 16:21:34 xvii kernel: [ 114.252906] e1000e: eth0 NIC
Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log:Aug 18 16:22:45 xvii kernel: [ 186.400166] e1000e: eth0 NIC
Link is Down
/var/log/kern.log:Aug 18 16:23:04 xvii kernel: [ 205.444966] e1000e: eth0 NIC
Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log:Aug 18 16:23:06 xvii kernel: [ 206.960146] e1000e: eth0 NIC
Link is Down
/var/log/kern.log:Aug 18 16:23:52 xvii kernel: [ 253.488885] e1000e: eth0 NIC
Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log:Aug 18 16:27:00 xvii kernel: [ 0.814121] e1000e: Intel(R)
PRO/1000 Network Driver - 2.3.2-k
/var/log/kern.log:Aug 18 16:27:00 xvii kernel: [ 0.814124] e1000e:
Copyright(c) 1999 - 2013 Intel Corporation.
/var/log/kern.log:Aug 18 16:27:33 xvii kernel: [ 72.620925] e1000e: eth0 NIC
Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log:Aug 18 16:39:08 xvii kernel: [ 767.728219] e1000e: eth0 NIC
Link is Down
/var/log/kern.log:Aug 18 16:39:30 xvii kernel: [ 790.104939] e1000e: eth0 NIC
Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log:Aug 18 16:44:32 xvii kernel: [ 1092.216955] e1000e: eth0 NIC
Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log:Aug 18 16:48:05 xvii kernel: [ 0.805758] e1000e: Intel(R)
PRO/1000 Network Driver - 2.3.2-k
/var/log/kern.log:Aug 18 16:48:05 xvii kernel: [ 0.805761] e1000e:
Copyright(c) 1999 - 2013 Intel Corporation.
/var/log/kern.log:Aug 18 16:48:38 xvii kernel: [ 82.340927] e1000e: eth0 NIC
Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log:Aug 18 16:54:05 xvii kernel: [ 409.536189] e1000e: eth0 NIC
Link is Down
/var/log/kern.log:Aug 18 16:54:29 xvii kernel: [ 434.129160] e1000e: eth0 NIC
Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log:Aug 18 16:54:52 xvii kernel: [ 457.016167] e1000e: eth0 NIC
Link is Down
/var/log/kern.log:Aug 18 16:57:27 xvii kernel: [ 611.833189] e1000e: eth0 NIC
Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log:Aug 18 16:57:49 xvii kernel: [ 634.176388] e1000e: eth0 NIC
Link is Down
/var/log/kern.log:Aug 18 16:59:35 xvii kernel: [ 739.769194] e1000e: eth0 NIC
Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log:Aug 18 16:59:54 xvii kernel: [ 758.788422] e1000e: eth0 NIC
Link is Down
/var/log/kern.log:Aug 18 17:00:12 xvii kernel: [ 777.260963] e1000e: eth0 NIC
Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log:Aug 18 17:00:37 xvii kernel: [ 801.928584] e1000e: eth0 NIC
Link is Down
/var/log/kern.log:Aug 18 17:02:15 xvii kernel: [ 900.381013] e1000e: eth0 NIC
Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
/var/log/kern.log:Aug 18 17:04:10 xvii kernel: [ 0.821890] e1000e: Intel(R)
PRO/1000 Network Driver - 2.3.2-k
/var/log/kern.log:Aug 18 17:04:10 xvii kernel: [ 0.821894] e1000e:
Copyright(c) 1999 - 2013 Intel Corporation.
/var/log/kern.log:Aug 18 17:04:40 xvii kernel: [ 65.664904] e1000e: eth0 NIC
Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
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