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Message-ID: <loom.20110121T104147-622@post.gmane.org>
Date: Fri, 21 Jan 2011 09:44:46 +0000 (UTC)
From: Jongman Heo <jongman.heo@...il.com>
To: netdev@...r.kernel.org
Subject: [vmxnet3] possible irq lock inversion dependency detected
I'm using Fedora 14 on VMWare.
With latest Linus git tree(2b1caf6ed7b888), following warnings are printed.
Is this a known issue? I don't know whether this is a regression or not.
This is my first time using vmxnet3 driver.
===============================================================
[ 17.593243] NET: Registered protocol family 10
[ 17.640420] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 18.418134] auditd (733): /proc/733/oom_adj is deprecated, please
use /proc/733/oom_score_adj instead.
[ 24.074627] eth0: intr type 3, mode 0, 5 vectors allocated
[ 24.075450] eth0: NIC Link is Up 10000 Mbps
[ 24.081505]
[ 24.081507] =========================================================
[ 24.081693] [ INFO: possible irq lock inversion dependency detected ]
[ 24.081797] 2.6.38-rc1+ #85
[ 24.081914] ---------------------------------------------------------
[ 24.082061] dbus-daemon/847 just changed the state of lock:
[ 24.082200] (&(&mc->mca_lock)->rlock){+.-...}, at: [<f85a034e>]
mld_ifc_timer_expire+0x12a/0x1f2 [ipv6]
[ 24.082488] but this lock took another, SOFTIRQ-unsafe lock in the past:
[ 24.082690] (&(&adapter->cmd_lock)->rlock){+.+...}
[ 24.082769]
[ 24.082770] and interrupts could create inverse lock ordering between them.
[ 24.082772]
[ 24.083196]
[ 24.083197] other info that might help us debug this:
[ 24.083415] 3 locks held by dbus-daemon/847:
[ 24.083538] #0: (&mm->mmap_sem){++++++}, at: [<c07d49ea>]
do_page_fault+0x140/0x33b
[ 24.083799] #1: (&idev->mc_ifc_timer){+.-...}, at: [<c04459c7>]
run_timer_softirq+0x11c/0x268
[ 24.084081] #2: (&ndev->lock){++.-..}, at: [<f85a023f>]
mld_ifc_timer_expire+0x1b/0x1f2 [ipv6]
[ 24.084364]
[ 24.084365] the shortest dependencies between 2nd lock and 1st lock:
[ 24.084659] -> (&(&adapter->cmd_lock)->rlock){+.+...} ops: 28 {
[ 24.084826] HARDIRQ-ON-W at:
[ 24.084987] [<c0461e11>]
__lock_acquire+0x2d9/0xbf2
[ 24.085302] [<c0462b5f>]
lock_acquire+0xb7/0xd7
[ 24.085507] [<c07d1835>]
_raw_spin_lock+0x33/0x40
[ 24.085708] [<f855e2bf>]
vmxnet3_alloc_intr_resources+0x18/0x1c1 [vmxnet3]
[ 24.085964] [<f8562b23>]
vmxnet3_probe_device+0x503/0x712 [vmxnet3]
[ 24.086180] [<c05f645a>]
local_pci_probe+0x2f/0x5a
[ 24.086382] [<c05f68ed>]
pci_device_probe+0x48/0x6b
[ 24.086582] [<c067f87a>]
driver_probe_device+0x115/0x1ec
[ 24.086788] [<c067f990>]
__driver_attach+0x3f/0x5b
[ 24.087014] [<c067eb28>]
bus_for_each_dev+0x3d/0x60
[ 24.087214] [<c067f50e>]
driver_attach+0x19/0x1b
[ 24.087411] [<c067f1a4>]
bus_add_driver+0xbd/0x215
[ 24.087611] [<c067fb61>]
driver_register+0x7f/0xde
[ 24.087811] [<c05f6adb>]
__pci_register_driver+0x4c/0xa9
[ 24.088046] [<f8568036>]
0xf8568036
[ 24.088238] [<c0401268>]
do_one_initcall+0x87/0x143
[ 24.088439] [<c046b0a6>]
sys_init_module+0x130d/0x14aa
[ 24.088643] [<c040319f>]
sysenter_do_call+0x12/0x38
[ 24.088844] SOFTIRQ-ON-W at:
[ 24.115469] [<c0461e30>]
__lock_acquire+0x2f8/0xbf2
[ 24.115483] [<c0462b5f>]
lock_acquire+0xb7/0xd7
[ 24.115486] [<c07d1835>]
_raw_spin_lock+0x33/0x40
[ 24.115493] [<f855e2bf>]
vmxnet3_alloc_intr_resources+0x18/0x1c1 [vmxnet3]
[ 24.115508] [<f8562b23>]
vmxnet3_probe_device+0x503/0x712 [vmxnet3]
[ 24.115513] [<c05f645a>]
local_pci_probe+0x2f/0x5a
[ 24.115519] [<c05f68ed>]
pci_device_probe+0x48/0x6b
[ 24.115523] [<c067f87a>]
driver_probe_device+0x115/0x1ec
[ 24.115529] [<c067f990>]
__driver_attach+0x3f/0x5b
[ 24.115532] [<c067eb28>]
bus_for_each_dev+0x3d/0x60
[ 24.115535] [<c067f50e>]
driver_attach+0x19/0x1b
[ 24.115539] [<c067f1a4>]
bus_add_driver+0xbd/0x215
[ 24.115542] [<c067fb61>]
driver_register+0x7f/0xde
[ 24.115545] [<c05f6adb>]
__pci_register_driver+0x4c/0xa9
[ 24.115555] [<f8568036>]
0xf8568036
[ 24.115562] [<c0401268>]
do_one_initcall+0x87/0x143
[ 24.115567] [<c046b0a6>]
sys_init_module+0x130d/0x14aa
[ 24.115590] [<c040319f>]
sysenter_do_call+0x12/0x38
[ 24.115596] INITIAL USE at:
[ 24.115598] [<c0461e85>]
__lock_acquire+0x34d/0xbf2
[ 24.115602] [<c0462b5f>]
lock_acquire+0xb7/0xd7
[ 24.115606] [<c07d1835>]
_raw_spin_lock+0x33/0x40
[ 24.115609] [<f855e2bf>]
vmxnet3_alloc_intr_resources+0x18/0x1c1 [vmxnet3]
[ 24.115614] [<f8562b23>]
vmxnet3_probe_device+0x503/0x712 [vmxnet3]
[ 24.115619] [<c05f645a>]
local_pci_probe+0x2f/0x5a
[ 24.115622] [<c05f68ed>]
pci_device_probe+0x48/0x6b
[ 24.115626] [<c067f87a>]
driver_probe_device+0x115/0x1ec
[ 24.115629] [<c067f990>]
__driver_attach+0x3f/0x5b
[ 24.115633] [<c067eb28>]
bus_for_each_dev+0x3d/0x60
[ 24.115636] [<c067f50e>]
driver_attach+0x19/0x1b
[ 24.115639] [<c067f1a4>]
bus_add_driver+0xbd/0x215
[ 24.115642] [<c067fb61>]
driver_register+0x7f/0xde
[ 24.115645] [<c05f6adb>]
__pci_register_driver+0x4c/0xa9
[ 24.115648] [<f8568036>]
0xf8568036
[ 24.115652] [<c0401268>]
do_one_initcall+0x87/0x143
[ 24.115655] [<c046b0a6>]
sys_init_module+0x130d/0x14aa
[ 24.115659] [<c040319f>]
sysenter_do_call+0x12/0x38
[ 24.115662] }
[ 24.115663] ... key at: [<f8564580>] __key.40447+0x0/0xffffe7b2
[vmxnet3]
[ 24.115668] ... acquired at:
[ 24.115670] [<c0462b5f>] lock_acquire+0xb7/0xd7
[ 24.115673] [<c07d1920>] _raw_spin_lock_irqsave+0x40/0x50
[ 24.115676] [<f855f494>] vmxnet3_set_mc+0x11a/0x165 [vmxnet3]
[ 24.115684] [<c0751f4d>] __dev_set_rx_mode+0x76/0x7a
[ 24.115689] [<c0751f6c>] dev_set_rx_mode+0x1b/0x26
[ 24.115692] [<c0752014>] __dev_open+0x9d/0xaf
[ 24.115694] [<c07521e6>] __dev_change_flags+0x98/0x10d
[ 24.115697] [<c07522c1>] dev_change_flags+0x13/0x3f
[ 24.115699] [<c075ae71>] do_setlink+0x245/0x56b
[ 24.115703] [<c075b6a6>] rtnl_setlink+0xaa/0xc6
[ 24.115706] [<c075b90f>] rtnetlink_rcv_msg+0x1a0/0x1af
[ 24.115709] [<c07694fd>] netlink_rcv_skb+0x32/0x73
[ 24.115712] [<c075b3bc>] rtnetlink_rcv+0x1b/0x22
[ 24.115714] [<c0769098>] netlink_unicast+0xc4/0x120
[ 24.115716] [<c076934e>] netlink_sendmsg+0x25a/0x271
[ 24.115719] [<c074135e>] __sock_sendmsg+0x54/0x5b
[ 24.115723] [<c07419dd>] sock_sendmsg+0x95/0xac
[ 24.115726] [<c0742fbc>] sys_sendmsg+0x181/0x1e8
[ 24.115729] [<c074348c>] sys_socketcall+0x22c/0x287
[ 24.115732] [<c040319f>] sysenter_do_call+0x12/0x38
[ 24.115735]
[ 24.115736] -> (_xmit_ETHER){+.....} ops: 6 {
[ 24.115741] HARDIRQ-ON-W at:
[ 24.115742] [<c0461e11>]
__lock_acquire+0x2d9/0xbf2
[ 24.115746] [<c0462b5f>]
lock_acquire+0xb7/0xd7
[ 24.115750] [<c07d1a20>]
_raw_spin_lock_bh+0x38/0x45
[ 24.115753] [<c07553cd>]
__dev_mc_add+0x23/0x61
[ 24.115761] [<c0755424>]
dev_mc_add+0xa/0xc
[ 24.115764] [<f85a0bb9>]
igmp6_group_added+0x56/0x139 [ipv6]
[ 24.115784] [<f85a114f>]
ipv6_dev_mc_inc+0x1fb/0x20c [ipv6]
[ 24.115799] [<f858d0f9>]
ipv6_add_dev+0x26d/0x28b [ipv6]
[ 24.115834] [<f8590007>]
addrconf_notify+0x57/0x52c [ipv6]
[ 24.115848] [<c074ec2a>]
register_netdevice_notifier+0x54/0x14e
[ 24.115852] [<f866b324>] 0xf866b324
[ 24.115856] [<f866b18a>] 0xf866b18a
[ 24.115859] [<c0401268>]
do_one_initcall+0x87/0x143
[ 24.115862] [<c046b0a6>]
sys_init_module+0x130d/0x14aa
[ 24.115867] [<c040319f>]
sysenter_do_call+0x12/0x38
[ 24.115870] INITIAL USE at:
[ 24.115872] [<c0461e85>]
__lock_acquire+0x34d/0xbf2
[ 24.115876] [<c0462b5f>]
lock_acquire+0xb7/0xd7
[ 24.115880] [<c07d1a20>]
_raw_spin_lock_bh+0x38/0x45
[ 24.115884] [<c07553cd>]
__dev_mc_add+0x23/0x61
[ 24.115887] [<c0755424>]
dev_mc_add+0xa/0xc
[ 24.115891] [<f85a0bb9>]
igmp6_group_added+0x56/0x139 [ipv6]
[ 24.115911] [<f85a114f>]
ipv6_dev_mc_inc+0x1fb/0x20c [ipv6]
[ 24.115926] [<f858d0f9>]
ipv6_add_dev+0x26d/0x28b [ipv6]
[ 24.115939] [<f8590007>]
addrconf_notify+0x57/0x52c [ipv6]
[ 24.115951] [<c074ec2a>]
register_netdevice_notifier+0x54/0x14e
[ 24.115954] [<f866b324>] 0xf866b324
[ 24.115957] [<f866b18a>] 0xf866b18a
[ 24.115960] [<c0401268>]
do_one_initcall+0x87/0x143
[ 24.115963] [<c046b0a6>]
sys_init_module+0x130d/0x14aa
[ 24.115966] [<c040319f>]
sysenter_do_call+0x12/0x38
[ 24.115970] }
[ 24.115971] ... key at: [<c10308b8>] netdev_addr_lock_key+0x8/0x1d0
[ 24.115985] ... acquired at:
[ 24.115986] [<c0462b5f>] lock_acquire+0xb7/0xd7
[ 24.115990] [<c07d1a20>] _raw_spin_lock_bh+0x38/0x45
[ 24.115992] [<c07553cd>] __dev_mc_add+0x23/0x61
[ 24.115995] [<c0755424>] dev_mc_add+0xa/0xc
[ 24.115997] [<f85a0bb9>] igmp6_group_added+0x56/0x139 [ipv6]
[ 24.116013] [<f85a114f>] ipv6_dev_mc_inc+0x1fb/0x20c [ipv6]
[ 24.116027] [<f858d0f9>] ipv6_add_dev+0x26d/0x28b [ipv6]
[ 24.116039] [<f8590007>] addrconf_notify+0x57/0x52c [ipv6]
[ 24.116051] [<c074ec2a>] register_netdevice_notifier+0x54/0x14e
[ 24.116054] [<f866b324>] 0xf866b324
[ 24.116056] [<f866b18a>] 0xf866b18a
[ 24.116058] [<c0401268>] do_one_initcall+0x87/0x143
[ 24.116061] [<c046b0a6>] sys_init_module+0x130d/0x14aa
[ 24.116064] [<c040319f>] sysenter_do_call+0x12/0x38
[ 24.116067]
[ 24.116068] -> (&(&mc->mca_lock)->rlock){+.-...} ops: 6 {
[ 24.116071] HARDIRQ-ON-W at:
[ 24.116073] [<c0461e11>]
__lock_acquire+0x2d9/0xbf2
[ 24.116077] [<c0462b5f>]
lock_acquire+0xb7/0xd7
[ 24.116080] [<c07d1a20>]
_raw_spin_lock_bh+0x38/0x45
[ 24.116083] [<f85a0b8b>]
igmp6_group_added+0x28/0x139 [ipv6]
[ 24.116102] [<f85a114f>]
ipv6_dev_mc_inc+0x1fb/0x20c [ipv6]
[ 24.116118] [<f858d0f9>]
ipv6_add_dev+0x26d/0x28b [ipv6]
[ 24.116130] [<f866b2f0>] 0xf866b2f0
[ 24.116133] [<f866b18a>] 0xf866b18a
[ 24.116136] [<c0401268>]
do_one_initcall+0x87/0x143
[ 24.116139] [<c046b0a6>]
sys_init_module+0x130d/0x14aa
[ 24.116143] [<c040319f>]
sysenter_do_call+0x12/0x38
[ 24.116146] IN-SOFTIRQ-W at:
[ 24.116148] [<c0461dbc>]
__lock_acquire+0x284/0xbf2
[ 24.116151] [<c0462b5f>]
lock_acquire+0xb7/0xd7
[ 24.116154] [<c07d1a20>]
_raw_spin_lock_bh+0x38/0x45
[ 24.116158] [<f85a034e>]
mld_ifc_timer_expire+0x12a/0x1f2 [ipv6]
[ 24.116173] [<c0445a4a>]
run_timer_softirq+0x19f/0x268
[ 24.116180] [<c043fd5b>]
__do_softirq+0xa9/0x16a
[ 24.116183] INITIAL USE at:
[ 24.116185] [<c0461e85>]
__lock_acquire+0x34d/0xbf2
[ 24.116188] [<c0462b5f>]
lock_acquire+0xb7/0xd7
[ 24.116191] [<c07d1a20>]
_raw_spin_lock_bh+0x38/0x45
[ 24.116195] [<f85a0b8b>]
igmp6_group_added+0x28/0x139 [ipv6]
[ 24.116210] [<f85a114f>]
ipv6_dev_mc_inc+0x1fb/0x20c [ipv6]
[ 24.116226] [<f858d0f9>]
ipv6_add_dev+0x26d/0x28b [ipv6]
[ 24.116238] [<f866b2f0>] 0xf866b2f0
[ 24.116241] [<f866b18a>] 0xf866b18a
[ 24.116244] [<c0401268>]
do_one_initcall+0x87/0x143
[ 24.116247] [<c046b0a6>]
sys_init_module+0x130d/0x14aa
[ 24.116251] [<c040319f>]
sysenter_do_call+0x12/0x38
[ 24.116254] }
[ 24.116255] ... key at: [<f85b382c>] __key.38329+0x0/0xffff9cd8 [ipv6]
[ 24.116266] ... acquired at:
[ 24.116268] [<c046135b>] check_usage_forwards+0x6f/0x77
[ 24.116271] [<c0461a70>] mark_lock+0xf3/0x1bb
[ 24.116273] [<c0461dbc>] __lock_acquire+0x284/0xbf2
[ 24.116276] [<c0462b5f>] lock_acquire+0xb7/0xd7
[ 24.116279] [<c07d1a20>] _raw_spin_lock_bh+0x38/0x45
[ 24.116282] [<f85a034e>] mld_ifc_timer_expire+0x12a/0x1f2 [ipv6]
[ 24.116296] [<c0445a4a>] run_timer_softirq+0x19f/0x268
[ 24.116299] [<c043fd5b>] __do_softirq+0xa9/0x16a
[ 24.116302]
[ 24.116303]
[ 24.116303] stack backtrace:
[ 24.116307] Pid: 847, comm: dbus-daemon Not tainted 2.6.38-rc1+ #85
[ 24.116309] Call Trace:
[ 24.116314] [<c04612e2>] ? print_irq_inversion_bug+0xfc/0x106
[ 24.116317] [<c046135b>] ? check_usage_forwards+0x6f/0x77
[ 24.116320] [<c0461a70>] ? mark_lock+0xf3/0x1bb
[ 24.116323] [<c04612ec>] ? check_usage_forwards+0x0/0x77
[ 24.116327] [<c0461dbc>] ? __lock_acquire+0x284/0xbf2
[ 24.116330] [<c04607f5>] ? save_trace+0x37/0x93
[ 24.116333] [<c046267c>] ? __lock_acquire+0xb44/0xbf2
[ 24.116348] [<f85a034e>] ? mld_ifc_timer_expire+0x12a/0x1f2 [ipv6]
[ 24.116352] [<c0462b5f>] ? lock_acquire+0xb7/0xd7
[ 24.116366] [<f85a034e>] ? mld_ifc_timer_expire+0x12a/0x1f2 [ipv6]
[ 24.116370] [<c07d1a20>] ? _raw_spin_lock_bh+0x38/0x45
[ 24.116385] [<f85a034e>] ? mld_ifc_timer_expire+0x12a/0x1f2 [ipv6]
[ 24.116400] [<f85a034e>] ? mld_ifc_timer_expire+0x12a/0x1f2 [ipv6]
[ 24.116403] [<c04459c7>] ? run_timer_softirq+0x11c/0x268
[ 24.116410] [<c0445a4a>] ? run_timer_softirq+0x19f/0x268
[ 24.116413] [<c04459c7>] ? run_timer_softirq+0x11c/0x268
[ 24.116428] [<f85a0224>] ? mld_ifc_timer_expire+0x0/0x1f2 [ipv6]
[ 24.116432] [<c043fd5b>] ? __do_softirq+0xa9/0x16a
[ 24.116434] [<c043fcb2>] ? __do_softirq+0x0/0x16a
[ 24.116436] <IRQ> [<c043fead>] ? irq_exit+0x38/0x6c
[ 24.116443] [<c0419e71>] ? smp_apic_timer_interrupt+0x66/0x73
[ 24.116447] [<c05e6cc0>] ? trace_hardirqs_off_thunk+0xc/0x10
[ 24.116451] [<c07d2522>] ? apic_timer_interrupt+0x36/0x3c
[ 24.116456] [<c04bb9d7>] ? copy_user_highpage.clone.44+0x21/0x34
[ 24.116459] [<c04bc87a>] ? do_wp_page+0x397/0x514
[ 24.116462] [<c07d183c>] ? _raw_spin_lock+0x3a/0x40
[ 24.116465] [<c04be2a8>] ? handle_pte_fault+0x67f/0x6ea
[ 24.116468] [<c04be3bf>] ? handle_mm_fault+0xac/0xb8
[ 24.116472] [<c07d4bcd>] ? do_page_fault+0x323/0x33b
[ 24.116475] [<c0462b77>] ? lock_acquire+0xcf/0xd7
[ 24.116478] [<c07d205d>] ? restore_all_notrace+0x0/0x18
[ 24.116481] [<c04601a3>] ? trace_hardirqs_off_caller+0x2e/0x86
[ 24.116484] [<c07d48aa>] ? do_page_fault+0x0/0x33b
[ 24.116487] [<c07d27a4>] ? error_code+0x6c/0x74
[ 24.550299] RPC: Registered udp transport module.
[ 24.550405] RPC: Registered tcp transport module.
[ 24.550498] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 28.499064] Installing knfsd (copyright (C) 1996 okir@...ad.swb.de).
[ 28.725260] NFSD: Using /var/lib/nfs/v4recovery as the NFSv4 state recovery
directory
[ 28.783996] NFSD: starting 90-second grace period
[ 33.488381] Bridge firewalling registered
[ 34.443551] ------------[ cut here ]------------
[ 34.443561] WARNING: at net/core/dev.c:1351 dev_disable_lro+0x54/0x57()
[ 34.443563] Hardware name: VMware Virtual Platform
[ 34.443565] Modules linked in: ipt_MASQUERADE iptable_nat nf_nat bridge stp
llc nfsd lockd nfs_acl auth_rpcgss exportfs sunrpc xt_physdev
nf_conntrack_tftp nf_conntrack_netbios_ns ip6t_REJECT nf_conntrack_ipv6
nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 vmhgfs uinput snd_ens1371
gameport snd_rawmidi snd_ac97_codec ac97_bus snd_seq snd_seq_device snd_pcm
snd_timer microcode vmxnet3 vmci snd soundcore snd_page_alloc i2c_piix4 mptspi
mptscsih mptbase scsi_transport_spi [last unloaded: scsi_wait_scan]
[ 34.443605] Pid: 1358, comm: libvirtd Not tainted 2.6.38-rc1+ #85
[ 34.443607] Call Trace:
[ 34.443615] [<c043a801>] ? warn_slowpath_common+0x77/0x8c
[ 34.443618] [<c074d8cb>] ? dev_disable_lro+0x54/0x57
[ 34.443620] [<c074d8cb>] ? dev_disable_lro+0x54/0x57
[ 34.443623] [<c043a833>] ? warn_slowpath_null+0x1d/0x1f
[ 34.443626] [<c074d8cb>] ? dev_disable_lro+0x54/0x57
[ 34.443630] [<c079a574>] ? devinet_sysctl_forward+0xd5/0x139
[ 34.443633] [<c079a49f>] ? devinet_sysctl_forward+0x0/0x139
[ 34.443638] [<c051e889>] ? proc_sys_call_handler.clone.0+0x6a/0x89
[ 34.443641] [<c051e8a8>] ? proc_sys_write+0x0/0x22
[ 34.443643] [<c051e8c5>] ? proc_sys_write+0x1d/0x22
[ 34.443649] [<c04da9d8>] ? vfs_write+0x86/0xde
[ 34.443651] [<c04dba58>] ? fget_light+0x5f/0x66
[ 34.443654] [<c04daba6>] ? sys_write+0x3d/0x5e
[ 34.443659] [<c040319f>] ? sysenter_do_call+0x12/0x38
[ 34.443662] ---[ end trace 06a697a570356b0c ]---
--
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