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Date: Fri, 28 Mar 2008 15:05:20 +0200 From: "Denys Fedoryshchenko" <denys@...p.net.lb> To: netdev@...r.kernel.org Subject: WARNING while bringing up macvlan To trigger just run: ip link add link eth0 eth2 type macvlan ip link set eth2 up i have enabled CONFIG_DEBUG_KERNEL=y CONFIG_SCHED_DEBUG=y CONFIG_DEBUG_SPINLOCK=y CONFIG_DEBUG_MUTEXES=y CONFIG_DEBUG_LOCK_ALLOC=y CONFIG_DEBUG_BUGVERBOSE=y CONFIG_DEBUG_VM=y CONFIG_DEBUG_LIST=y CONFIG_DEBUG_SG=y CONFIG_DEBUG_STACKOVERFLOW=y CONFIG_DEBUG_RODATA=y [ 1212.916288] ------------[ cut here ]------------ [ 1212.916322] WARNING: at kernel/mutex.c:353 mutex_trylock+0x3c/0xef() [ 1212.916354] Modules linked in: macvlan softdog nf_nat_pptp nf_conntrack_pptp nf_conntrack_proto_gre nf_nat_proto_gre hangcheck_timer xt_tcpudp ipt_TTL ipt_ttl xt_NOTRACK iptable_raw iptable_mangle ifb e1000e em_nbyte cls_tcindex act_gact cls_rsvp sch_htb cls_fw act_mirred em_u32 sch_red sch_sfq sch_tbf sch_teql cls_basic act_police sch_gred act_pedit sch_hfsc cls_rsvp6 sch_ingress em_meta em_text act_ipt sch_dsmark sch_prio sch_netem act_simple cls_u32 em_cmp sch_cbq cls_route xt_TCPMSS iptable_nat nf_conntrack_ipv4 ipt_LOG ipt_MASQUERADE ipt_REDIRECT nf_nat nf_conntrack nfnetlink iptable_filter ip_tables x_tables 8021q tun tulip r8169 sky2 via_velocity via_rhine sis900 ne2k_pci 8390 skge tg3 8139too e1000 e100 usb_storage mtdblock mtd_blkdevs usbhid uhci_hcd ehci_hcd ohci_hcd usbcore [ 1212.916781] Pid: 2572, comm: ip Not tainted 2.6.25-rc7-git1-build-0026 #34 [ 1212.916818] [<c0121038>] warn_on_slowpath+0x41/0x51 [ 1212.916859] [<c012f652>] ? __kernel_text_address+0x1b/0x27 [ 1212.916895] [<c010493a>] ? dump_trace+0xce/0xda [ 1212.916927] [<c0109ea6>] ? save_stack_address+0x0/0x2c [ 1212.916965] [<c013afc8>] ? mark_held_locks+0x41/0x5c [ 1212.916999] [<c015cdef>] ? kmem_cache_alloc+0x69/0xa1 [ 1212.917033] [<c013b12d>] ? trace_hardirqs_on+0xcb/0x102 [ 1212.917067] [<c02ba549>] mutex_trylock+0x3c/0xef [ 1212.917099] [<c0272796>] rtnl_trylock+0xd/0xf [ 1212.917131] [<c0268bc8>] __dev_set_promiscuity+0x15/0xa9 [ 1212.917164] [<c0268c97>] __dev_set_rx_mode+0x3b/0x75 [ 1212.917196] [<c026c1ab>] dev_unicast_add+0x79/0x94 [ 1212.917228] [<f8a6565f>] macvlan_open+0x2c/0x73 [macvlan] [ 1212.917264] [<c026b6f6>] dev_open+0x42/0x74 [ 1212.917293] [<c026a392>] dev_change_flags+0x9f/0x14f [ 1212.917326] [<c0271b19>] do_setlink+0x248/0x2fd [ 1212.917360] [<c0272eab>] rtnl_newlink+0x24a/0x399 [ 1212.917403] [<c02bab26>] ? mutex_lock_nested+0x1e8/0x1fa [ 1212.917438] [<c0272c61>] ? rtnl_newlink+0x0/0x399 [ 1212.917470] [<c027297e>] rtnetlink_rcv_msg+0x193/0x1ad [ 1212.917504] [<c02727ca>] ? rtnl_lock+0xf/0x11 [ 1212.917537] [<c02727eb>] ? rtnetlink_rcv_msg+0x0/0x1ad [ 1212.917571] [<c027cf52>] netlink_rcv_skb+0x30/0x82 [ 1212.917603] [<c02727e3>] rtnetlink_rcv+0x17/0x1f [ 1212.917635] [<c027cd32>] netlink_unicast+0x1bb/0x220 [ 1212.917657] [<c027d4ea>] netlink_sendmsg+0x243/0x250 [ 1212.917693] [<c0260580>] sock_sendmsg+0xca/0xe1 [ 1212.917728] [<c013106e>] ? autoremove_wake_function+0x0/0x33 [ 1212.917764] [<c013106e>] ? autoremove_wake_function+0x0/0x33 [ 1212.917800] [<c013106e>] ? autoremove_wake_function+0x0/0x33 [ 1212.917837] [<c01f080a>] ? copy_from_user+0x2c/0x4f [ 1212.917871] [<c0266acd>] ? verify_iovec+0x40/0x73 [ 1212.917904] [<c02606e6>] sys_sendmsg+0x14f/0x1aa [ 1212.917936] [<c0260ebf>] ? sys_recvmsg+0x117/0x17f [ 1212.917971] [<c013afc8>] ? mark_held_locks+0x41/0x5c [ 1212.918012] [<c0152cfe>] ? handle_mm_fault+0x2d0/0x2e3 [ 1212.918047] [<c02bba34>] ? _spin_unlock+0x1d/0x20 [ 1212.918084] [<c0261386>] sys_socketcall+0x14e/0x166 [ 1212.918117] [<c01038e9>] ? sysenter_past_esp+0x9a/0xa5 [ 1212.918151] [<c01038ae>] sysenter_past_esp+0x5f/0xa5 [ 1212.918187] ======================= [ 1212.918654] ---[ end trace 06fb1c0a761da1b0 ]--- one more [ 49.772366] ------------[ cut here ]------------ [ 49.772416] WARNING: at kernel/mutex.c:353 mutex_trylock+0x3c/0xef() [ 49.772447] Modules linked in: macvlan softdog nf_nat_pptp nf_conntrack_pptp nf_conntrack_proto_gre nf_nat_proto_gre hangcheck_timer xt_tcpudp ipt_TTL ipt_ttl xt_NOTRACK iptable_raw iptable_mangle ifb e1000e em_nbyte cls_tcindex act_gact cls_rsvp sch_htb cls_fw act_mirred em_u32 sch_red sch_sfq sch_tbf sch_teql cls_basic act_police sch_gred act_pedit sch_hfsc cls_rsvp6 sch_ingress em_meta em_text act_ipt sch_dsmark sch_prio sch_netem act_simple cls_u32 em_cmp sch_cbq cls_route xt_TCPMSS iptable_nat nf_conntrack_ipv4 ipt_LOG ipt_MASQUERADE ipt_REDIRECT nf_nat nf_conntrack nfnetlink iptable_filter ip_tables x_tables 8021q tun tulip r8169 sky2 via_velocity via_rhine sis900 ne2k_pci 8390 skge tg3 8139too e1000 e100 usb_storage mtdblock mtd_blkdevs usbhid uhci_hcd ehci_hcd ohci_hcd usbcore [ 49.774284] Pid: 2415, comm: ip Not tainted 2.6.25-rc7-git1-build-0026 #34 [ 49.774354] [<c0121038>] warn_on_slowpath+0x41/0x51 [ 49.774427] [<c013b963>] ? __lock_acquire+0x45c/0xabd [ 49.774510] [<c012f652>] ? __kernel_text_address+0x1b/0x27 [ 49.774597] [<c010493a>] ? dump_trace+0xce/0xda [ 49.774680] [<c0109ea6>] ? save_stack_address+0x0/0x2c [ 49.774769] [<c013afc8>] ? mark_held_locks+0x41/0x5c [ 49.774853] [<c015cdef>] ? kmem_cache_alloc+0x69/0xa1 [ 49.774938] [<c013b12d>] ? trace_hardirqs_on+0xcb/0x102 [ 49.775022] [<c02ba549>] mutex_trylock+0x3c/0xef [ 49.775088] [<c0272796>] rtnl_trylock+0xd/0xf [ 49.775154] [<c0268bc8>] __dev_set_promiscuity+0x15/0xa9 [ 49.775221] [<c0268c97>] __dev_set_rx_mode+0x3b/0x75 [ 49.775286] [<c026c1ab>] dev_unicast_add+0x79/0x94 [ 49.775352] [<f8a6565f>] macvlan_open+0x2c/0x73 [macvlan] [ 49.775448] [<c026b6f6>] dev_open+0x42/0x74 [ 49.775512] [<c026a392>] dev_change_flags+0x9f/0x14f [ 49.775578] [<c0271b19>] do_setlink+0x248/0x2fd [ 49.775645] [<c0272eab>] rtnl_newlink+0x24a/0x399 [ 49.775722] [<c02bab26>] ? mutex_lock_nested+0x1e8/0x1fa [ 49.775807] [<c0272c61>] ? rtnl_newlink+0x0/0x399 [ 49.775890] [<c027297e>] rtnetlink_rcv_msg+0x193/0x1ad [ 49.775957] [<c02727ca>] ? rtnl_lock+0xf/0x11 [ 49.776040] [<c02727eb>] ? rtnetlink_rcv_msg+0x0/0x1ad [ 49.776124] [<c027cf52>] netlink_rcv_skb+0x30/0x82 [ 49.776190] [<c02727e3>] rtnetlink_rcv+0x17/0x1f [ 49.776255] [<c027cd32>] netlink_unicast+0x1bb/0x220 [ 49.776322] [<c027d4ea>] netlink_sendmsg+0x243/0x250 [ 49.776391] [<c0260580>] sock_sendmsg+0xca/0xe1 [ 49.776451] [<c013106e>] ? autoremove_wake_function+0x0/0x33 [ 49.776538] [<c013106e>] ? autoremove_wake_function+0x0/0x33 [ 49.776625] [<c013106e>] ? autoremove_wake_function+0x0/0x33 [ 49.776713] [<c01f080a>] ? copy_from_user+0x2c/0x4f [ 49.776797] [<c0266acd>] ? verify_iovec+0x40/0x73 [ 49.776881] [<c02606e6>] sys_sendmsg+0x14f/0x1aa [ 49.776947] [<c0260ebf>] ? sys_recvmsg+0x117/0x17f [ 49.777032] [<c013afc8>] ? mark_held_locks+0x41/0x5c [ 49.777124] [<c0152cfe>] ? handle_mm_fault+0x2d0/0x2e3 [ 49.777210] [<c02bba34>] ? _spin_unlock+0x1d/0x20 [ 49.777296] [<c0261386>] sys_socketcall+0x14e/0x166 [ 49.777363] [<c01038e9>] ? sysenter_past_esp+0x9a/0xa5 [ 49.777447] [<c01038ae>] sysenter_past_esp+0x5f/0xa5 [ 49.777517] ======================= [ 49.777560] ---[ end trace e18ee8b62e9cda31 ]--- -- Denys Fedoryshchenko Technical Manager Virtual ISP S.A.L. -- 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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