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Re: Strange PF_NETLINK NETLINK_ROUTE stall: netlink: Fix autobind race condition that leads to zero port ID

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  Re: Strange PF_NETLINK NETLINK_ROUTE stall: netlink: Fix autobind  race condition that leads to zero port ID Herbert Xu <herbert@gondor.apana.org.au> - 2015-12-05 02:20 +0100
    Re: Strange PF_NETLINK NETLINK_ROUTE stall: netlink: Fix autobind  race condition that leads to zero port ID Philipp Matthias Hahn <pmhahn@pmhahn.de> - 2015-12-05 15:20 +0100

#1284429 — Re: Strange PF_NETLINK NETLINK_ROUTE stall: netlink: Fix autobind race condition that leads to zero port ID

On Fri, Nov 27, 2015 at 04:23:54PM +0100, Philipp Hahn wrote:
> 
> I observed a strange stall in a multi-threaded process (originally
> OpenLDAP slapd), which stalls during a call to getaddrinfo() after
> upgrading the kernel from 3.16.x to 4.1.12:

Can you try to see if the latest kernel still has this problem.
Unfortunately a number of fixes seem to not have made it into
4.1 so anything could happen there.

Thanks,
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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#1284562

Hello,

On Sat, Dec 05, 2015 at 09:10:08AM +0800, Herbert Xu wrote:
> On Fri, Nov 27, 2015 at 04:23:54PM +0100, Philipp Hahn wrote:
> > 
> > I observed a strange stall in a multi-threaded process (originally
> > OpenLDAP slapd), which stalls during a call to getaddrinfo() after
> > upgrading the kernel from 3.16.x to 4.1.12:
> 
> Can you try to see if the latest kernel still has this problem.
> Unfortunately a number of fixes seem to not have made it into
> 4.1 so anything could happen there.

I also tried 4.1.13, if that is what you mean with latest; it also
hangs.

> Thanks,

Thanks go to you.

Philipp
-- 
  / /  (_)__  __ ____  __ Philipp Hahn
 / /__/ / _ \/ // /\ \/ /
/____/_/_//_/\_,_/ /_/\_\ pmhahn@pmhahn.de
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