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Groups > linux.kernel > #1452253
| From | David Miller <davem@davemloft.net> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [Regression?] fib_rules: Added NLM_F_EXCL support to fib_nl_newrule breaks Android userspace |
| Date | 2016-07-29 06:30 +0200 |
| Message-ID | <s07AR-89U-1@gated-at.bofh.it> (permalink) |
| References | <s07rb-83j-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: John Stultz <john.stultz@linaro.org>
Date: Thu, 28 Jul 2016 21:18:16 -0700
> After moving my HiKey tree to pre-v4.8-rc, I noticed when using
> Android that I was getting routing errors after toggling networking on
> and off (or entering suspend). Wifi associated, but I got some
> rounting errors in the logcat the connection manager wouldn't detect a
> valid network.
>
> Not being able to figure out exactly what was going wrong from the
> userspace side, I bisected (manually rebasing a 70 patch stack each
> step :P) it down and it seems that the commit: 153380ec4b9b
> ("fib_rules: Added NLM_F_EXCL support to fib_nl_newrule") is causing
> the problem.
>
> Reverting that patch seems to make things work again.
>
> I'm no networking guru, but I'm happy to help debug this further if
> folks can walk me through it a bit.
It simply sounds like Android's userspace is specifying NLM_F_EXCL when
it shouldn't be during FIB rule netlink operations.
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[Regression?] fib_rules: Added NLM_F_EXCL support to fib_nl_newrule breaks Android userspace John Stultz <john.stultz@linaro.org> - 2016-07-29 06:20 +0200
Re: [Regression?] fib_rules: Added NLM_F_EXCL support to fib_nl_newrule breaks Android userspace David Miller <davem@davemloft.net> - 2016-07-29 06:30 +0200
Re: [Regression?] fib_rules: Added NLM_F_EXCL support to fib_nl_newrule breaks Android userspace David Ahern <dsa@cumulusnetworks.com> - 2016-07-29 16:20 +0200
Re: [Regression?] fib_rules: Added NLM_F_EXCL support to fib_nl_newrule breaks Android userspace John Stultz <john.stultz@linaro.org> - 2016-07-29 19:00 +0200
Re: [Regression?] fib_rules: Added NLM_F_EXCL support to fib_nl_newrule breaks Android userspace David Ahern <dsa@cumulusnetworks.com> - 2016-07-29 21:20 +0200
Re: [Regression?] fib_rules: Added NLM_F_EXCL support to fib_nl_newrule breaks Android userspace Lorenzo Colitti <lorenzo@google.com> - 2016-08-01 03:50 +0200
Re: [Regression?] fib_rules: Added NLM_F_EXCL support to fib_nl_newrule breaks Android userspace John Stultz <john.stultz@linaro.org> - 2016-08-02 18:40 +0200
Re: [Regression?] fib_rules: Added NLM_F_EXCL support to fib_nl_newrule breaks Android userspace David Ahern <dsa@cumulusnetworks.com> - 2016-08-02 19:10 +0200
Re: [Regression?] fib_rules: Added NLM_F_EXCL support to fib_nl_newrule breaks Android userspace David Miller <davem@davemloft.net> - 2016-08-02 20:20 +0200
Re: [Regression?] fib_rules: Added NLM_F_EXCL support to fib_nl_newrule breaks Android userspace David Miller <davem@davemloft.net> - 2016-08-02 20:30 +0200
Re: [Regression?] fib_rules: Added NLM_F_EXCL support to fib_nl_newrule breaks Android userspace John Stultz <john.stultz@linaro.org> - 2016-08-02 20:40 +0200
Re: [Regression?] fib_rules: Added NLM_F_EXCL support to fib_nl_newrule breaks Android userspace Lorenzo Colitti <lorenzo@google.com> - 2016-08-03 03:00 +0200
Re: [Regression?] fib_rules: Added NLM_F_EXCL support to fib_nl_newrule breaks Android userspace David Miller <davem@davemloft.net> - 2016-08-03 03:20 +0200
Re: [Regression?] fib_rules: Added NLM_F_EXCL support to fib_nl_newrule breaks Android userspace John Stultz <john.stultz@linaro.org> - 2016-08-02 21:00 +0200
Re: [Regression?] fib_rules: Added NLM_F_EXCL support to fib_nl_newrule breaks Android userspace John Stultz <john.stultz@linaro.org> - 2016-08-02 19:10 +0200
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