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Date: Wed, 26 Mar 2008 13:26:00 -0700 From: Matheos Worku <Matheos.Worku@....COM> To: Jarek Poplawski <jarkao2@...il.com> Cc: netdev@...r.kernel.org Subject: Re: 2.6.24 BUG: soft lockup - CPU#X Jarek Poplawski wrote: > Matheos Worku wrote, On 03/26/2008 05:46 PM: > ... > > >> outside the driver as well. I have attached several lockup error >> traces and corresponding profile data. Any clues? >> > > Are network cards' irqs balanced? If so, could you reproduce this > with affinity set? > > Regards, > Jarek P. > Jarek, Reproduced the lockup with irqbalance disabled and with single src of interrupt (TX interrupt, UDP transmit). Lockup appears in different location though. Regards matheos irq of interest: 454 (TX interrupt) 454: 19249 93234 907186 2691 0 188 0 160 PCI-MSI-edge eth6 455: 22607 15083 5 13104 25569 161519 62514 25637 PCI-MSI-edge eth6 456: 22390 14921 5 24605 37438 110453 251315 66 PCI-MSI-edge eth6 457: 11109 26849 2 58895 251720 84 0 67420 PCI-MSI-edge eth6 458: 22348 15859 1 21978 27839 10231 0 267743 PCI-MSI-edge eth6 459: 19922 15331 2 59275 0 149788 12394 82549 PCI-MSI-edge eth6 460: 22928 19058 4 1268 49775 183189 160901 25150 PCI-MSI-edge eth6 461: 497 32134 1 31428 0 69182 68889 45407 PCI-MSI-edge eth6 462: 11932 23212 10 11355 120509 47588 1 118637 PCI-MSI-edge eth6 463: 0 0 0 0 0 0 0 0 PCI-MSI-edge eth6 464: 0 0 0 0 0 0 0 0 PCI-MSI-edge eth6 465: 0 0 0 0 0 0 0 0 PCI-MSI-edge eth6 ....... 454: 19249 126519 907186 2691 0 188 0 160 PCI-MSI-edge eth6 455: 22609 15083 5 13104 25569 161519 62514 25637 PCI-MSI-edge eth6 456: 22390 14923 5 24605 37438 110453 251315 66 PCI-MSI-edge eth6 457: 11109 26849 2 58895 251720 84 0 67420 PCI-MSI-edge eth6 458: 22348 15867 1 21978 27839 10231 0 267744 PCI-MSI-edge eth6 459: 19922 15331 2 59275 0 149788 12394 82549 PCI-MSI-edge eth6 460: 22928 19058 4 1268 49775 183189 160901 25150 PCI-MSI-edge eth6 461: 498 32134 1 31428 0 69182 68889 45407 PCI-MSI-edge eth6 462: 11932 23216 10 11355 120509 47588 1 118637 PCI-MSI-edge eth6 463: 0 0 0 0 0 0 0 0 PCI-MSI-edge eth6 464: 0 0 0 0 0 0 0 0 PCI-MSI-edge eth6 465: 0 0 0 0 0 0 0 0 PCI-MSI-edge eth6 nsn57-110 login: BUG: soft lockup - CPU#2 stuck for 11s! [uperf.x86_64:16606] CPU 2: Modules linked in: ixgbe oprofile niu nfs lockd nfs_acl autofs4 hidp rfcomm l2cap bluetooth sunrpc ipv6 cpufreq_ondemand rdma_ucm ib_ucm rdma_cm iw_cm ib_addr ib_srp scsi_transport_srp ib_cm ib_ipoib ib_sa ib_uverbs ib_umad ib_mad ib_core dm_multipath battery ac parport_pc lp parport joydev sr_mod sg e1000 button i2c_nforce2 pcspkr shpchp i2c_core dm_snapshot dm_zero dm_mirror dm_mod usb_storage mptsas mptscsih mptbase scsi_transport_sas sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci_hcd Pid: 16606, comm: uperf.x86_64 Not tainted 2.6.24-mati #3 RIP: 0010:[<ffffffff803ef525>] [<ffffffff803ef525>] __copy_skb_header+0x10d/0x134 RSP: 0018:ffff8101ae14ba38 EFLAGS: 00000246 RAX: 0000000020000000 RBX: ffff8101d059a400 RCX: 000000000000000c RDX: 0000000000000000 RSI: ffff8101d059a468 RDI: ffff8101f7db4868 RBP: ffff8101ffe50d80 R08: ffff8101f7db4800 R09: ffff8101d059a400 R10: 00000001b1c64660 R11: ffffffff80221995 R12: 0000000000000000 R13: 0000000100000000 R14: ffffffff802858e4 R15: ffff8101fec71900 FS: 0000000040800940(0063) GS:ffff8101fb072700(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000044005f48 CR3: 00000001d0513000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: [<ffffffff803ef5f6>] __skb_clone+0x24/0xdc [<ffffffff803f152e>] skb_realloc_headroom+0x30/0x63 [<ffffffff882edd40>] :niu:niu_start_xmit+0x114/0x5af [<ffffffff80221995>] gart_map_single+0x0/0x70 [<ffffffff803f5e2b>] dev_hard_start_xmit+0x1d2/0x246 [<ffffffff80406fb8>] pfifo_fast_dequeue+0x3b/0x59 [<ffffffff80406dab>] __qdisc_run+0x77/0x174 [<ffffffff803f8139>] dev_queue_xmit+0x141/0x270 [<ffffffff80417faf>] ip_push_pending_frames+0x32c/0x3a0 [<ffffffff80419676>] ip_generic_getfrag+0x0/0x8b [<ffffffff8043359f>] udp_push_pending_frames+0x2ba/0x337 [<ffffffff80434794>] udp_sendmsg+0x4c8/0x606 [<ffffffff803eafbb>] sock_sendmsg+0xe2/0xff [<ffffffff8029e1a1>] iput+0x42/0x7b [<ffffffff802480e0>] autoremove_wake_function+0x0/0x2e [<ffffffff80275d0c>] find_extend_vma+0x16/0x59 [<ffffffff8045e4d3>] _spin_lock_irqsave+0x9/0xe [<ffffffff80311d88>] __up_read+0x13/0x8a [<ffffffff803eba5c>] sys_sendto+0x128/0x151 [<ffffffff8045e3ed>] _spin_unlock_bh+0x9/0x15 [<ffffffff8020b7fc>] tracesys+0xdc/0xe1 BUG: soft lockup - CPU#2 stuck for 11s! [uperf.x86_64:16606] CPU 2: Modules linked in: ixgbe oprofile niu nfs lockd nfs_acl autofs4 hidp rfcomm l2cap bluetooth sunrpc ipv6 cpufreq_ondemand rdma_ucm ib_ucm rdma_cm iw_cm ib_addr ib_srp scsi_transport_srp ib_cm ib_ipoib ib_sa ib_uverbs ib_umad ib_mad ib_core dm_multipath battery ac parport_pc lp parport joydev sr_mod sg e1000 button i2c_nforce2 pcspkr shpchp i2c_core dm_snapshot dm_zero dm_mirror dm_mod usb_storage mptsas mptscsih mptbase scsi_transport_sas sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci_hcd Pid: 16606, comm: uperf.x86_64 Not tainted 2.6.24-mati #3 RIP: 0010:[<ffffffff803ef462>] [<ffffffff803ef462>] __copy_skb_header+0x4a/0x134 RSP: 0018:ffff8101ae14ba38 EFLAGS: 00000202 RAX: ffff8101fa048300 RBX: ffff8103fb35c100 RCX: ffffffff803f0453 RDX: ffff8101fa1e5d00 RSI: ffff8103fb35c100 RDI: ffff8101fa1e5d00 RBP: 0000000000000020 R08: ffff8101fa1e5d00 R09: ffff8103fb35c100 R10: 00000001c6920e60 R11: ffffffff80221995 R12: ffff810100052cc0 R13: ffffffff805abb88 R14: ffff8101ff231b80 R15: 0000000000000000 FS: 0000000040800940(0063) GS:ffff8101fb072700(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000044005f48 CR3: 00000001d0513000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: [<ffffffff803ef5f6>] __skb_clone+0x24/0xdc [<ffffffff803f152e>] skb_realloc_headroom+0x30/0x63 [<ffffffff882edd40>] :niu:niu_start_xmit+0x114/0x5af [<ffffffff80221995>] gart_map_single+0x0/0x70 [<ffffffff803f5e2b>] dev_hard_start_xmit+0x1d2/0x246 [<ffffffff80406daf>] __qdisc_run+0x7b/0x174 [<ffffffff80406dab>] __qdisc_run+0x77/0x174 [<ffffffff803f8139>] dev_queue_xmit+0x141/0x270 [<ffffffff80417faf>] ip_push_pending_frames+0x32c/0x3a0 [<ffffffff80419676>] ip_generic_getfrag+0x0/0x8b [<ffffffff8043359f>] udp_push_pending_frames+0x2ba/0x337 [<ffffffff80434794>] udp_sendmsg+0x4c8/0x606 [<ffffffff803eafbb>] sock_sendmsg+0xe2/0xff [<ffffffff8029e1a1>] iput+0x42/0x7b [<ffffffff802480e0>] autoremove_wake_function+0x0/0x2e [<ffffffff80275d0c>] find_extend_vma+0x16/0x59 [<ffffffff8045e4d3>] _spin_lock_irqsave+0x9/0xe [<ffffffff80311d88>] __up_read+0x13/0x8a [<ffffffff803eba5c>] sys_sendto+0x128/0x151 [<ffffffff8045e3ed>] _spin_unlock_bh+0x9/0x15 [<ffffffff8020b7fc>] tracesys+0xdc/0xe1 BUG: soft lockup - CPU#2 stuck for 11s! [uperf.x86_64:16606] CPU 2: Modules linked in: ixgbe oprofile niu nfs lockd nfs_acl autofs4 hidp rfcomm l2cap bluetooth sunrpc ipv6 cpufreq_ondemand rdma_ucm ib_ucm rdma_cm iw_cm ib_addr ib_srp scsi_transport_srp ib_cm ib_ipoib ib_sa ib_uverbs ib_umad ib_mad ib_core dm_multipath battery ac parport_pc lp parport joydev sr_mod sg e1000 button i2c_nforce2 pcspkr shpchp i2c_core dm_snapshot dm_zero dm_mirror dm_mod usb_storage mptsas mptscsih mptbase scsi_transport_sas sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci_hcd Pid: 16606, comm: uperf.x86_64 Not tainted 2.6.24-mati #3 RIP: 0010:[<ffffffff803f065e>] [<ffffffff803f065e>] pskb_expand_head+0x73/0x147 RSP: 0018:ffff8101ae14ba18 EFLAGS: 00000286 RAX: 0000000000000080 RBX: ffff8101c6476080 RCX: 000000000000059f RDX: 0000000000000138 RSI: ffff8103f64ad841 RDI: ffff8101c64760c1 RBP: 0000000000000000 R08: ffff8101fb0722cb R09: 0000000000000002 R10: 0000000000000001 R11: 0000000000000002 R12: ffffffff8028725b R13: ffff8101c6478000 R14: ffff8101ff191d80 R15: ffffffff805abb88 FS: 0000000040800940(0063) GS:ffff8101fb072700(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000044005f48 CR3: 00000001d0513000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: [<ffffffff803f0630>] pskb_expand_head+0x45/0x147 [<ffffffff803f154b>] skb_realloc_headroom+0x4d/0x63 [<ffffffff882edd40>] :niu:niu_start_xmit+0x114/0x5af [<ffffffff80221995>] gart_map_single+0x0/0x70 [<ffffffff803f5e2b>] dev_hard_start_xmit+0x1d2/0x246 [<ffffffff80406fb8>] pfifo_fast_dequeue+0x3b/0x59 [<ffffffff80406dab>] __qdisc_run+0x77/0x174 [<ffffffff803f8139>] dev_queue_xmit+0x141/0x270 [<ffffffff80417faf>] ip_push_pending_frames+0x32c/0x3a0 [<ffffffff80419676>] ip_generic_getfrag+0x0/0x8b [<ffffffff8043359f>] udp_push_pending_frames+0x2ba/0x337 [<ffffffff80434794>] udp_sendmsg+0x4c8/0x606 [<ffffffff803eafbb>] sock_sendmsg+0xe2/0xff [<ffffffff8029e1a1>] iput+0x42/0x7b [<ffffffff802480e0>] autoremove_wake_function+0x0/0x2e [<ffffffff80275d0c>] find_extend_vma+0x16/0x59 [<ffffffff8045e4d3>] _spin_lock_irqsave+0x9/0xe [<ffffffff80311d88>] __up_read+0x13/0x8a [<ffffffff803eba5c>] sys_sendto+0x128/0x151 [<ffffffff8045e3ed>] _spin_unlock_bh+0x9/0x15 [<ffffffff8020b7fc>] tracesys+0xdc/0xe1 -- 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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