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Bug#703040: marked as done (No 1000baseT connection via crosslink with BCM95720 and tg3 module)

Your message dated Sat, 24 Apr 2021 08:05:44 -0700 (PDT)
with message-id <608433c8.1c69fb81.23ec3.41d4@mx.google.com>
and subject line Closing this bug (BTS maintenance for src:linux bugs)
has caused the Debian Bug report #703040,
regarding No 1000baseT connection via crosslink with BCM95720 and tg3 module
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
703040: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=703040
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: firmware-linux-nonfree
Version: 0.28+squeeze1
Two Dell PowerEdge R620 connected via crosslink using the onboard NICs (obviously a BCM5720 which is specifically produced for Dell and called BCM95720 then) don't negotiate to 1000baseT/Full, but only to 100baseT/Full.
Setting the speed to 1000baseT/Full using ethtool (ethtool -s eth2 speed 1000 duplex full) on both sides causes the interfaces to flap and finally to run on 100baseT again: 


Mar 13 13:02:19 srv kernel: [ 4130.011167] tg3 0000:02:00.0: eth2: Link is down
Mar 13 13:02:39 srv kernel: [ 4149.190067] tg3 0000:02:00.0: eth2: Link is up at 1000 Mbps, full duplex
Mar 13 13:02:39 srv kernel: [ 4149.190069] tg3 0000:02:00.0: eth2: Flow control is on for TX and on for RX
Mar 13 13:02:39 srv kernel: [ 4149.190071] tg3 0000:02:00.0: eth2: EEE is enabled
Mar 13 13:02:40 srv kernel: [ 4150.672418] tg3 0000:02:00.0: eth2: Link is down
Mar 13 13:02:59 srv kernel: [ 4170.041164] tg3 0000:02:00.0: eth2: Link is up at 1000 Mbps, full duplex
Mar 13 13:02:59 srv kernel: [ 4170.041167] tg3 0000:02:00.0: eth2: Flow control is on for TX and on for RX
Mar 13 13:02:59 srv kernel: [ 4170.041168] tg3 0000:02:00.0: eth2: EEE is enabled
Mar 13 13:03:01 srv kernel: [ 4171.589320] tg3 0000:02:00.0: eth2: Link is down
Mar 13 13:03:04 srv kernel: [ 4174.593785] tg3 0000:02:00.0: eth2: Link is up at 1000 Mbps, full duplex
Mar 13 13:03:04 srv kernel: [ 4174.593787] tg3 0000:02:00.0: eth2: Flow control is on for TX and on for RX
Mar 13 13:03:04 srv kernel: [ 4174.593789] tg3 0000:02:00.0: eth2: EEE is enabled
Mar 13 13:03:06 srv kernel: [ 4176.133621] tg3 0000:02:00.0: eth2: Link is down
Mar 13 13:03:08 srv kernel: [ 4178.890884] tg3 0000:02:00.0: eth2: Link is up at 1000 Mbps, full duplex
Mar 13 13:03:08 srv kernel: [ 4178.890886] tg3 0000:02:00.0: eth2: Flow control is on for TX and on for RX
Mar 13 13:03:08 srv kernel: [ 4178.890888] tg3 0000:02:00.0: eth2: EEE is enabled
Mar 13 13:03:10 srv kernel: [ 4180.405676] tg3 0000:02:00.0: eth2: Link is down
Mar 13 13:03:13 srv kernel: [ 4183.453298] tg3 0000:02:00.0: eth2: Link is up at 1000 Mbps, full duplex
Mar 13 13:03:13 srv kernel: [ 4183.453301] tg3 0000:02:00.0: eth2: Flow control is on for TX and on for RX
Mar 13 13:03:13 srv kernel: [ 4183.453302] tg3 0000:02:00.0: eth2: EEE is enabled
Mar 13 13:03:14 srv kernel: [ 4184.991844] tg3 0000:02:00.0: eth2: Link is down
Mar 13 13:03:21 srv kernel: [ 4191.373332] tg3 0000:02:00.0: eth2: Link is up at 100 Mbps, full duplex
Mar 13 13:03:21 srv kernel: [ 4191.373335] tg3 0000:02:00.0: eth2: Flow control is on for TX and on for RX
Mar 13 13:03:21 srv kernel: [ 4191.373336] tg3 0000:02:00.0: eth2: EEE is enabled



Kernel:
Linux srv.yourdomain.net 3.2.0-0.bpo.4-amd64 #1 SMP Debian 3.2.35-2~bpo60+1 x86_64 GNU/Linux 

libc:
libc6: 2.11.3-4

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--- End Message ---
--- Begin Message --- 
Hi

This bug was filed for a very old kernel or the bug is old itself
without resolution.

If you can reproduce it with

- the current version in unstable/testing
- the latest kernel from backports

please reopen the bug, see https://www.debian.org/Bugs/server-control
for details.

Regards,
Salvatore

--- End Message ---
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