lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Mon, 3 Feb 2014 23:03:23 +0100 From: Hannes Frederic Sowa <hannes@...essinduktion.org> To: Ben Greear <greearb@...delatech.com> Cc: netdev <netdev@...r.kernel.org> Subject: Re: IPv6 FIB related crash with MACVLANs in 3.9.11+ kernel. Hi Ben, On Mon, Feb 03, 2014 at 12:37:52PM -0800, Ben Greear wrote: > The kernel has some additional patches, but not much to IPv6. > > The bug is that when we have lots of mac-vlans on some ixgbe ports > (500 per interface in this case), and boot up the system with the ports unplugged, > we get this crash almost every time. Boot-up is going to do normal bootup > stuff plus create and configure the 1000 mac-vlans, dump their routing > tables, etc. > > We are using one routing table per network device, and some > ip rules. > > If we plug in the ixgbe ports, we do not ever see a crash. > > We have not yet tried reproducing it on other drivers, but I suspect > the issue is not related to ixgbe. > > Any ideas on this one? Could you bring the machine to a panic again with enabling RT6_DEBUG at the top of ip6_fib.c and send a dump of the trace? Thanks, Hannes -- 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
Powered by blists - more mailing lists