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Date: Thu, 19 Apr 2012 07:26:22 -0700 From: Ben Greear <greearb@...delatech.com> To: Kristian Evensen <kristian.evensen@...il.com> CC: netdev@...r.kernel.org Subject: Re: RTM_NEWLINK not received by application when connecting multiple devices simultaneously On 04/19/2012 04:44 AM, Kristian Evensen wrote: > Hello, > The application works as intended when I connect interfaces one by > one. However, if I connect two interfaces "simultaneously", the > RTM_NEWLINK message for one of the interfaces is sometimes not > received. Nothing arrives at the handle. It seems to be random which > RTM_NEWLINK actually arrives. I have only been able to recreate this > problem when connecting two USB 3G modems and automatically dialing > the ISP, but I assume it would happen with other technologies as well. > What puzzles me, is that both RTM_NEWLINK messages are seen by for > example ip monitor. This has led me to conclusion that there is a bug > in my application, and my question is therefore, are there any common > mistakes one can make or things to forget that would cause a message > to get lost or not be received, or does anyone have any tips on where > I can start looking? Multiple netlink msgs can be received in each read of a netlink socket. Maybe you are only processing the first one? Thanks, Ben -- Ben Greear <greearb@...delatech.com> Candela Technologies Inc http://www.candelatech.com -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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