Messages in this thread | | | Date | Tue, 24 Jul 2012 01:36:34 +0200 | From | Michael Leun <> | Subject | Re: [3.5 regression / mcs7830 / bisected] bridge constantly toggeling between disabled and forwarding |
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On Mon, 23 Jul 2012 09:15:04 +0200 Michael Leun <lkml20120218@newton.leun.net> wrote:
[see issue description below]
Bisecting yielded
b1ff4f96fd1c63890d78d8939c6e0f2b44ce3113 is the first bad commit commit b1ff4f96fd1c63890d78d8939c6e0f2b44ce3113 Author: Ondrej Zary <linux@rainbow-software.org> Date: Fri Jun 1 10:29:08 2012 +0000
mcs7830: Implement link state detection
Add .status callback that detects link state changes. Tested with MCS7832CV-AA chip (9710:7830, identified as rev.C by the driver). Fixes https://bugzilla.kernel.org/show_bug.cgi?id=28532
Signed-off-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: David S. Miller <davem@davemloft.net>
:040000 040000 5480780cb5e75c57122a621fc3bab0108c16be27 d97efd9cc0a465dff76bcd3a3c547f718f2a5345 M drivers
Reverting that from 3.5 makes the issue go away.
> Hi, > > when I use my usb ethernet adapter > > # > lsusb > [...] > Bus 002 Device 009: ID 9710:7830 MosChip Semiconductor MCS7830 10/100 Mbps Ethernet adapter > [...] > > as port of an bridge > > > # brctl addbr br0 > > # brctl addif br0 eth0 > > # brctl addif br0 ue5 > > # ifconfig ue5 up > > # ifconfig br0 up > > (Also does happen when eth0 is not part of the bridge, but the logs I > had available were from that situation...) > > I constantly get messages showing the interface toggeling between > disabled and forwarding state: > > Jul 23 07:40:50 elektra kernel: [ 1539.497337] br0: port 2(ue5) entered disabled state > Jul 23 07:40:50 elektra kernel: [ 1539.554992] br0: port 2(ue5) entered forwarding state > Jul 23 07:40:50 elektra kernel: [ 1539.555005] br0: port 2(ue5) entered forwarding state > Jul 23 07:40:51 elektra kernel: [ 1540.496242] br0: port 2(ue5) entered disabled state > Jul 23 07:40:51 elektra kernel: [ 1540.552534] br0: port 2(ue5) entered forwarding state > Jul 23 07:40:51 elektra kernel: [ 1540.552548] br0: port 2(ue5) entered forwarding state > Jul 23 07:40:52 elektra kernel: [ 1541.550413] br0: port 2(ue5) entered forwarding state > Jul 23 07:40:53 elektra kernel: [ 1542.529672] br0: port 2(ue5) entered disabled state > Jul 23 07:40:53 elektra kernel: [ 1542.587162] br0: port 2(ue5) entered forwarding state > Jul 23 07:40:53 elektra kernel: [ 1542.587175] br0: port 2(ue5) entered forwarding state > Jul 23 07:40:54 elektra kernel: [ 1543.585309] br0: port 2(ue5) entered forwarding state > Jul 23 07:41:00 elektra kernel: [ 1549.360600] br0: port 2(ue5) entered disabled state > Jul 23 07:41:00 elektra kernel: [ 1549.442998] br0: port 2(ue5) entered forwarding state > Jul 23 07:41:00 elektra kernel: [ 1549.443011] br0: port 2(ue5) entered forwarding state > Jul 23 07:41:01 elektra kernel: [ 1550.357686] br0: port 2(ue5) entered disabled state > Jul 23 07:41:01 elektra kernel: [ 1550.408208] br0: port 2(ue5) entered forwarding state > Jul 23 07:41:01 elektra kernel: [ 1550.408222] br0: port 2(ue5) entered forwarding state > Jul 23 07:41:02 elektra kernel: [ 1551.407656] br0: port 2(ue5) entered forwarding state > Jul 23 07:41:03 elektra kernel: [ 1552.401578] br0: port 2(ue5) entered disabled state > Jul 23 07:41:03 elektra kernel: [ 1552.474773] br0: port 2(ue5) entered forwarding state > Jul 23 07:41:03 elektra kernel: [ 1552.474786] br0: port 2(ue5) entered forwarding state > Jul 23 07:41:04 elektra kernel: [ 1553.472487] br0: port 2(ue5) entered forwarding state > Jul 23 07:41:05 elektra kernel: [ 1554.356138] br0: port 2(ue5) entered disabled state > [...] > > This does (in the same situation, nothing else than the kernel changed) > not happen with 3.4.5. > > Does anybody have an idea what the issue might be or do I need to bisect?
-- MfG,
Michael Leun
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