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Message-ID: <515650490.20150114140502@eikelenboom.it> Date: Wed, 14 Jan 2015 14:05:02 +0100 From: Sander Eikelenboom <linux@...elenboom.it> To: Thomas Graf <tgraf@...g.ch> CC: Pravin B Shelar <pshelar@...ira.com>, "David S. Miller" <davem@...emloft.net>, <netdev@...r.kernel.org>, <dev@...nvswitch.org> Subject: Re: 3.19-rc4: BUG: unable to handle kernel paging request at ffff880055f15000 ovs_packet_cmd_execute+0x1f/0x229 Wednesday, January 14, 2015, 2:00:05 PM, you wrote: > Copying ovs-dev mailing list and thus qutoing full message. > On 01/14/15 at 01:14pm, Sander Eikelenboom wrote: >> Hi, >> >> I was testing 3.19-rc4 with openvswitch and encountered the splat below. > What version of OVS are you using? Did this work properly with rc3 or > an older kernel? Hi Thomas, Don't know for sure, i haven't seen it before, but on the other hand after a reboot it is running fine now for some time. So it seems it's not reliably reproducible :(. OVS version is current Debian wheezy: ii openvswitch-common 1.4.2+git20120612-9.1~deb7u1 amd64 Open vSwitch common components ii openvswitch-controller 1.4.2+git20120612-9.1~deb7u1 amd64 Open vSwitch controller implementation ii openvswitch-pki 1.4.2+git20120612-9.1~deb7u1 all Open vSwitch public key infrastructure dependency package ii openvswitch-switch 1.4.2+git20120612-9.1~deb7u1 amd64 Open vSwitch switch implementations -- Sander >> #addr2line -e /boot/vmlinux-3.19.0-rc4-creanuc-20150114-doflr-apicpatchv3-apicrevert+ ffffffff818a1690 >> /mnt/kernelbuild/linux-tip/net/openvswitch/datapath.c:527 >> -- >> Sander >> >> [ 463.033308] BUG: unable to handle kernel paging request at ffff880055f15000 >> [ 463.072154] IP: [<ffffffff818a1690>] ovs_packet_cmd_execute+0x1f/0x229 >> [ 463.106202] PGD 1e10067 PUD 2097067 PMD 5ff54067 PTE 0 >> [ 463.126940] Oops: 0000 [#1] SMP >> [ 463.147505] Modules linked in: >> [ 463.166938] CPU: 2 PID: 3049 Comm: ovs-vswitchd Not tainted 3.19.0-rc4-creanuc-20150114-doflr-apicpatchv3-apicrevert+ #1 >> [ 463.187507] Hardware name: /D53427RKE, BIOS RKPPT10H.86A.0017.2013.0425.1251 04/25/2013 >> [ 463.208553] task: ffff880058d30000 ti: ffff880055c38000 task.ti: ffff880055c38000 >> [ 463.229734] RIP: e030:[<ffffffff818a1690>] [<ffffffff818a1690>] ovs_packet_cmd_execute+0x1f/0x229 >> [ 463.251082] RSP: e02b:ffff880055c3ba48 EFLAGS: 00010296 >> [ 463.271786] RAX: ffff88004fe38818 RBX: ffffffff81ed4cc0 RCX: 0000000000000000 >> [ 463.293072] RDX: ffff880055c3bb00 RSI: ffff880055c3bad0 RDI: ffff8800559dc700 >> [ 463.314521] RBP: ffff8800559dc700 R08: ffffffff81b08d00 R09: 000000007ffff000 >> [ 463.336189] R10: ffff88004fe38814 R11: ffffffff81ed4cc0 R12: ffff880055f14fc0 >> [ 463.356906] R13: ffff88004fe38800 R14: ffff880055f14fc0 R15: ffffffff81b08c60 >> [ 463.377482] FS: 00007f196321c700(0000) GS:ffff88005f700000(0000) knlGS:ffff88005f680000 >> [ 463.398646] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033 >> [ 463.419995] CR2: ffff880055f15000 CR3: 000000005622e000 CR4: 0000000000042660 >> [ 463.441577] Stack: >> [ 463.462975] 000000000000000c ffff88004fe38814 0000000000000005 ffffffff8130b116 >> [ 463.485114] ffffffff81ed4cc0 ffffffff81ed4cc0 ffff8800559dc700 ffff880055f14fc0 >> [ 463.507367] ffff88004fe38800 0000000000000008 ffffffff81b08c60 ffffffff81794364 >> [ 463.530186] Call Trace: >> [ 463.552330] [<ffffffff8130b116>] ? nla_parse+0x57/0xe7 >> [ 463.574869] [<ffffffff81794364>] ? genl_family_rcv_msg+0x243/0x2a9 >> [ 463.597276] [<ffffffff818ad9a2>] ? __slab_alloc.constprop.63+0x2bb/0x2e5 >> [ 463.619394] [<ffffffff81794402>] ? genl_rcv_msg+0x38/0x5b >> [ 463.641361] [<ffffffff817911a6>] ? __netlink_lookup+0x3a/0x40 >> [ 463.663192] [<ffffffff817943ca>] ? genl_family_rcv_msg+0x2a9/0x2a9 >> [ 463.685141] [<ffffffff81793686>] ? netlink_rcv_skb+0x36/0x7c >> [ 463.706874] [<ffffffff81793987>] ? genl_rcv+0x1f/0x2c >> [ 463.729152] [<ffffffff817930ea>] ? netlink_unicast+0x100/0x19c >> [ 463.751315] [<ffffffff8179350d>] ? netlink_sendmsg+0x311/0x36b >> [ 463.772483] [<ffffffff8173d574>] ? do_sock_sendmsg+0x62/0x7b >> [ 463.793309] [<ffffffff8173e6ce>] ? copy_msghdr_from_user+0x158/0x17c >> [ 463.814032] [<ffffffff8173e94c>] ? ___sys_sendmsg+0x11f/0x197 >> [ 463.834595] [<ffffffff8173ddfd>] ? sock_poll+0xf2/0xfd >> [ 463.854970] [<ffffffff81136d27>] ? ep_send_events_proc+0x91/0x153 >> [ 463.875603] [<ffffffff81136c96>] ? ep_read_events_proc+0x92/0x92 >> [ 463.896168] [<ffffffff818b6929>] ? _raw_spin_unlock_irqrestore+0x42/0x5b >> [ 463.917050] [<ffffffff8113759c>] ? ep_scan_ready_list.isra.14+0x163/0x182 >> [ 463.938458] [<ffffffff81137820>] ? ep_poll+0x250/0x2c4 >> [ 463.958214] [<ffffffff8173f410>] ? __sys_sendmsg+0x3b/0x5d >> [ 463.977581] [<ffffffff818b6da9>] ? system_call_fastpath+0x12/0x17 >> [ 463.996860] Code: ff 89 d8 5b 5d 41 5c 41 5d 41 5e c3 41 57 41 56 41 55 41 54 55 53 48 83 ec 28 48 8b 46 18 4c 8b 76 20 48 89 44 24 08 49 8b 46 08 <49> 8b 6e 40 48 85 c0 0f 84 e0 01 00 00 49 83 7e 10 00 0f 84 d5 >> [ 464.037236] RIP [<ffffffff818a1690>] ovs_packet_cmd_execute+0x1f/0x229 >> [ 464.056926] RSP <ffff880055c3ba48> >> [ 464.076182] CR2: ffff880055f15000 >> [ 464.095097] ---[ end trace 8bcb28ced5309e55 ]--- -- 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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