Re: [PATCH][RFC] race in generic address resolution

2008-02-14 Thread Benjamin Thery
Hi, It seems this patch hangs my machine very quickly when there are some ICMPv6 traffic. I'm using net-2.6, pulled today (14th Feb). I had some unexpected hangs on my SMP test machines and I bisected the problem to 69cc64d8d92bf852f933e90c888dfff083bd4fc9 [NDISC]: Fix race in generic address

Re: [PATCH][RFC] race in generic address resolution

2008-02-14 Thread Benjamin Thery
I ran some additional tests and these traces may also be usefull. They appears before the soft-lockup are detected. fermi:~# ping6 -c 500 -f 2007::1 PING 2007::1(2007::1) 56 data bytes . === [ INFO: possible circular locking dependency detected

Re: [PATCH][RFC] race in generic address resolution

2008-02-11 Thread Frank Blaschka
David Miller schrieb: From: Blaschka [EMAIL PROTECTED] Date: Mon, 4 Feb 2008 15:27:17 +0100 I'm running a SMP maschine (2 CPUs) configured as a router. During heavy traffic kernel dies with following message: 2kernel BUG at

Re: [PATCH][RFC] race in generic address resolution

2008-02-11 Thread David Miller
From: Frank Blaschka [EMAIL PROTECTED] Date: Mon, 11 Feb 2008 10:01:20 +0100 we run your patch during the weekend on single CPU and SMP machines. We do not see any problems. Thanks for providing the fix. Thanks for testing Frank, I can now push this fix upstream. -- To unsubscribe from this

Re: [PATCH][RFC] race in generic address resolution

2008-02-05 Thread David Miller
From: Blaschka [EMAIL PROTECTED] Date: Mon, 4 Feb 2008 15:27:17 +0100 I'm running a SMP maschine (2 CPUs) configured as a router. During heavy traffic kernel dies with following message: 2kernel BUG at /home/autobuild/BUILD/linux-2.6.23-20080125/net/core/skbuff.c:648! ... Following

[PATCH][RFC] race in generic address resolution

2008-02-04 Thread Blaschka
I'm running a SMP maschine (2 CPUs) configured as a router. During heavy traffic kernel dies with following message: 2kernel BUG at /home/autobuild/BUILD/linux-2.6.23-20080125/net/core/skbuff.c:648! 4illegal operation: 0001 [#1] PREEMPT SMP 4Modules linked in: dm_multipath sunrpc