From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jon Masters Subject: Re: PROBLEM: reproducible crash KVM+nf_conntrack all recent 2.6 kernels Date: Thu, 28 Jan 2010 16:49:14 -0500 Message-ID: <1264715354.2793.156.camel@tonnant> References: <1264657559.2793.103.camel@tonnant> <1264658364.2793.105.camel@tonnant> <4B6180D1.6050609@trash.net> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: linux-kernel , netdev , netfilter-devel@vger.kernel.org To: Patrick McHardy Return-path: In-Reply-To: <4B6180D1.6050609@trash.net> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Thu, 2010-01-28 at 13:19 +0100, Patrick McHardy wrote: > ip6tables -t raw -I PREROUTING -j TRACE I'm not seeing anything on the console - is there additional conntrack debugging I can enable? I will try building in netfilter debug again. But I did just get this crash while testing again: BUG: unable to handle kernel paging request at ffff8802aae52f20 IP: [] __nf_conntrack_find+0x53/0xb1 PGD 1a3c063 PUD 0 Oops: 0000 [#1] SMP last sysfs file: /sys/kernel/mm/ksm/run CPU 5 Pid: 2012, comm: qemu-kvm Not tainted 2.6.33-rc5 #1 0F9382/Precision WorkStation 490 RIP: 0010:[] [] __nf_conntrack_find +0x53/0xb1 RSP: 0018:ffff880172893778 EFLAGS: 00010282 RAX: ffff8802aae52f20 RBX: ffff880172893878 RCX: 00000000eb883b77 RDX: 000000000001d710 RSI: 0000000081af2f90 RDI: 000000003b9ab4e4 RBP: ffff8801728937b8 R08: 000000008a6bf028 R09: 00000000a2d26753 R10: 0000000067d81e2b R11: ffff88017289389c R12: ffffffff81ddace0 R13: ffff880172893878 R14: ffffffff81ddace0 R15: 00000000137f25e4 FS: 00007f002fe16780(0000) GS:ffff880028340000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: ffff8802aae52f20 CR3: 00000001717dd000 CR4: 00000000000026e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process qemu-kvm (pid: 2012, threadinfo ffff880172892000, task ffff8801702bc5f0) Jon.