What is the patch?
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Title:
unregister_netdevice: waiting for lo to become free. Usage count
Status in Linux:
Unknown
Status in li
Chris, I will start testing this build and let you know how it goes.
Thanks.
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Title:
unregister_netdevice: waiting for lo to become
Looks like no progress on the netdev side yet?
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Title:
unregister_netdevice: waiting for lo to become free. Usage count
Status in T
I can confirm that disabling CONFIG_BRIDGE_NETFILTER and/or disabling
net.bridge.bridge-nf-call-iptables makes me unable to repro on Ubuntu
14.04 running 3.13.0-53-generic.
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h
Really great progress! Sounds like you're close to finding a fix.
Thanks Chris.
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Title:
unregister_netdevice: waiting for lo to bec
Sounds good, thanks Chris.
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Title:
unregister_netdevice: waiting for lo to become free. Usage count
Status in The Linux Kernel:
U
Any updates?
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https://bugs.launchpad.net/bugs/1403152
Title:
unregister_netdevice: waiting for lo to become free. Usage count
Status in The Linux Kernel:
Unknown
Status
Great progress, thanks Chris. I did some initial instrumentation of
dev_put and dev_hold calls earlier, dumping out the call stack and
comparing a good run to a bad one. Nothing definitive yet, and it's bit
tricky to match up on an SMP machine, but one thing stood out: many of
the bad traces had
Agreed. Thanks for pushing this forward Chris.
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Title:
unregister_netdevice: waiting for lo to become free. Usage count
Status in
Ok. For what it's worth, we still see the problem on Ubuntu 15.04
running v3.19. However, the problem is much harder to trigger and the
attached reproducer script does not trigger the problem there, so I
don't have code to reliably repro it on 3.19.
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Great, thanks Chris! Let me know if I can help further.
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Title:
unregister_netdevice: waiting for lo to become free. Usage count
S
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