All, I am seeing the following issue with the link_status example. This requires a reboot on my testbox.
Ideas or suggestions? Thanks, Patrick >From /var/log/messages: Jun 12 11:08:22 dpdk-eval kernel: ixgbe 0000:03:00.0: removed PHC on p2p1 Jun 12 11:08:22 dpdk-eval kernel: ixgbe 0000:03:00.0: complete Jun 12 11:08:22 dpdk-eval kernel: ixgbe 0000:03:00.0: PCI INT A disabled Jun 12 11:08:22 dpdk-eval kernel: igb_uio 0000:03:00.0: PCI INT A -> GSI 48 (level, low) -> IRQ 48 Jun 12 11:08:22 dpdk-eval kernel: BUG: sleeping function called from invalid context at drivers/pci/access.c:402 Jun 12 11:08:22 dpdk-eval kernel: in_atomic(): 0, irqs_disabled(): 1, pid: 3403, name: work_for_cpu Jun 12 11:08:22 dpdk-eval kernel: 1 lock held by work_for_cpu/3403: Jun 12 11:08:22 dpdk-eval kernel: #0: (&udev->lock){......}, at: [<ffffffffa00331cd>] igbuio_pci_irqcontrol+0x3d/0x80 [igb_uio] Jun 12 11:08:22 dpdk-eval kernel: irq event stamp: 176 Jun 12 11:08:22 dpdk-eval kernel: hardirqs last enabled at (175): [<ffffffff81542270>] _spin_unlock_irqrestore+0x40/0x80 Jun 12 11:08:22 dpdk-eval kernel: hardirqs last disabled at (176): [<ffffffff81542602>] _spin_lock_irqsave+0x32/0xa0 Jun 12 11:08:22 dpdk-eval kernel: softirqs last enabled at (0): [<ffffffff8106f785>] copy_process+0x625/0x1660 Jun 12 11:08:22 dpdk-eval kernel: softirqs last disabled at (0): [<(null)>] (null) Jun 12 11:08:22 dpdk-eval kernel: Pid: 3403, comm: work_for_cpu Tainted: G W --------------- 2.6.32-358.6.2.el6.x86_64.debug #1 Jun 12 11:08:22 dpdk-eval kernel: Call Trace: Jun 12 11:08:22 dpdk-eval kernel: [<ffffffff810b0fd0>] ? print_irqtrace_events+0xd0/0xe0 Jun 12 11:08:22 dpdk-eval kernel: [<ffffffff8105af17>] ? __might_sleep+0xf7/0x130 Jun 12 11:08:22 dpdk-eval kernel: [<ffffffff812b84c4>] ? pci_cfg_access_lock+0x24/0x70 Jun 12 11:08:22 dpdk-eval kernel: [<ffffffff812b851e>] ? pci_block_user_cfg_access+0xe/0x10 Jun 12 11:08:22 dpdk-eval kernel: [<ffffffffa00331d8>] ? igbuio_pci_irqcontrol+0x48/0x80 [igb_uio] Jun 12 11:08:22 dpdk-eval kernel: [<ffffffffa0033526>] ? igbuio_pci_probe+0x217/0x29e [igb_uio] Jun 12 11:08:22 dpdk-eval kernel: [<ffffffff81095a30>] ? do_work_for_cpu+0x0/0x30 Jun 12 11:08:22 dpdk-eval kernel: [<ffffffff812c07d7>] ? local_pci_probe+0x17/0x20 Jun 12 11:08:22 dpdk-eval kernel: [<ffffffff81095a48>] ? do_work_for_cpu+0x18/0x30 Jun 12 11:08:22 dpdk-eval kernel: [<ffffffff8109b826>] ? kthread+0x96/0xa0 Jun 12 11:08:22 dpdk-eval kernel: [<ffffffff8100c1ca>] ? child_rip+0xa/0x20 Jun 12 11:08:22 dpdk-eval kernel: [<ffffffff8100bb10>] ? restore_args+0x0/0x30 Jun 12 11:08:22 dpdk-eval kernel: [<ffffffff8109b790>] ? kthread+0x0/0xa0 Jun 12 11:08:22 dpdk-eval kernel: [<ffffffff8100c1c0>] ? child_rip+0x0/0x20 Jun 12 11:08:22 dpdk-eval kernel: uio device registered with irq 4f Jun 12 11:08:22 dpdk-eval rte[3386]: EAL: Mapping resources for '/dev/uio0' starting at 0x00000000 for 524288 bytes Jun 12 11:08:22 dpdk-eval kernel: ixgbe 0000:03:00.1: removed PHC on p2p2 Jun 12 11:08:23 dpdk-eval kernel: ixgbe 0000:03:00.1: complete Jun 12 11:08:23 dpdk-eval kernel: ixgbe 0000:03:00.1: PCI INT B disabled Jun 12 11:08:23 dpdk-eval kernel: igb_uio 0000:03:00.1: PCI INT B -> GSI 52 (level, low) -> IRQ 52 Jun 12 11:08:23 dpdk-eval kernel: uio device registered with irq 50 Jun 12 11:08:23 dpdk-eval rte[3386]: EAL: Mapping resources for '/dev/uio1' starting at 0x00000000 for 524288 bytes Jun 12 11:08:23 dpdk-eval kernel: igb 0000:06:00.0: removed PHC on em1 Jun 12 11:08:23 dpdk-eval dhclient[2227]: receive_packet failed on em1: Network is down Jun 12 11:08:24 dpdk-eval kernel: igb 0000:06:00.0: PCI INT A disabled Jun 12 11:08:24 dpdk-eval kernel: igb_uio 0000:06:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 Jun 12 11:08:24 dpdk-eval kernel: BUG: sleeping function called from invalid context at drivers/pci/access.c:402 Jun 12 11:08:24 dpdk-eval kernel: in_atomic(): 0, irqs_disabled(): 1, pid: 3509, name: work_for_cpu Jun 12 11:08:24 dpdk-eval kernel: 1 lock held by work_for_cpu/3509: Jun 12 11:08:24 dpdk-eval kernel: #0: (&udev->lock){+.+...}, at: [<ffffffffa00331cd>] igbuio_pci_irqcontrol+0x3d/0x80 [igb_uio] Jun 12 11:08:24 dpdk-eval kernel: irq event stamp: 234 Jun 12 11:08:24 dpdk-eval kernel: hardirqs last enabled at (233): [<ffffffff81542270>] _spin_unlock_irqrestore+0x40/0x80 Jun 12 11:08:24 dpdk-eval kernel: hardirqs last disabled at (234): [<ffffffff81542602>] _spin_lock_irqsave+0x32/0xa0 Jun 12 11:08:24 dpdk-eval kernel: softirqs last enabled at (64): [<ffffffff8107a6a1>] __do_softirq+0x151/0x210 Jun 12 11:08:24 dpdk-eval kernel: softirqs last disabled at (49): [<ffffffff8100c2cc>] call_softirq+0x1c/0x30 Jun 12 11:08:24 dpdk-eval kernel: Pid: 3509, comm: work_for_cpu Tainted: G W --------------- 2.6.32-358.6.2.el6.x86_64.debug #1 Jun 12 11:08:24 dpdk-eval kernel: Call Trace: Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff810b0fd0>] ? print_irqtrace_events+0xd0/0xe0 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff8105af17>] ? __might_sleep+0xf7/0x130 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff812b84c4>] ? pci_cfg_access_lock+0x24/0x70 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff812b851e>] ? pci_block_user_cfg_access+0xe/0x10 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffffa00331d8>] ? igbuio_pci_irqcontrol+0x48/0x80 [igb_uio] Jun 12 11:08:24 dpdk-eval kernel: [<ffffffffa0033526>] ? igbuio_pci_probe+0x217/0x29e [igb_uio] Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff81095a30>] ? do_work_for_cpu+0x0/0x30 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff812c07d7>] ? local_pci_probe+0x17/0x20 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff81095a48>] ? do_work_for_cpu+0x18/0x30 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff8109b826>] ? kthread+0x96/0xa0 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff8100c1ca>] ? child_rip+0xa/0x20 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff8100bb10>] ? restore_args+0x0/0x30 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff8109b790>] ? kthread+0x0/0xa0 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff8100c1c0>] ? child_rip+0x0/0x20 Jun 12 11:08:24 dpdk-eval kernel: uio device registered with irq 51 Jun 12 11:08:24 dpdk-eval rte[3386]: EAL: Mapping resources for '/dev/uio2' starting at 0x00000000 for 1048576 bytes Jun 12 11:08:24 dpdk-eval kernel: igb 0000:06:00.1: removed PHC on em2 Jun 12 11:08:24 dpdk-eval kernel: igb 0000:06:00.1: PCI INT B disabled Jun 12 11:08:24 dpdk-eval kernel: igb_uio 0000:06:00.1: PCI INT B -> GSI 17 (level, low) -> IRQ 17 Jun 12 11:08:24 dpdk-eval kernel: uio device registered with irq 52 Jun 12 11:08:24 dpdk-eval rte[3386]: EAL: Mapping resources for '/dev/uio3' starting at 0x00000000 for 1048576 bytes Jun 12 11:08:24 dpdk-eval kernel: Jun 12 11:08:24 dpdk-eval kernel: ================================= Jun 12 11:08:24 dpdk-eval kernel: [ INFO: inconsistent lock state ] Jun 12 11:08:24 dpdk-eval kernel: 2.6.32-358.6.2.el6.x86_64.debug #1 Jun 12 11:08:24 dpdk-eval kernel: --------------------------------- Jun 12 11:08:24 dpdk-eval kernel: inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. Jun 12 11:08:24 dpdk-eval kernel: swapper/0 [HC1[1]:SC0[0]:HE0:SE1] takes: Jun 12 11:08:24 dpdk-eval kernel: (&udev->lock){?.+...}, at: [<ffffffffa003324d>] igbuio_pci_irqhandler+0x3d/0xe8 [igb_uio] Jun 12 11:08:24 dpdk-eval kernel: {HARDIRQ-ON-W} state was registered at: Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff810b4d13>] mark_held_locks+0x73/0xa0 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff810b4f37>] trace_hardirqs_on_caller+0x67/0x190 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff810b506d>] trace_hardirqs_on+0xd/0x10 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff81542220>] _spin_unlock_irq+0x30/0x40 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff812b8504>] pci_cfg_access_lock+0x64/0x70 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff812b851e>] pci_block_user_cfg_access+0xe/0x10 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffffa00331d8>] igbuio_pci_irqcontrol+0x48/0x80 [igb_uio] Jun 12 11:08:24 dpdk-eval kernel: [<ffffffffa0033526>] igbuio_pci_probe+0x217/0x29e [igb_uio] Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff812c07d7>] local_pci_probe+0x17/0x20 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff81095a48>] do_work_for_cpu+0x18/0x30 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff8109b826>] kthread+0x96/0xa0 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff8100c1ca>] child_rip+0xa/0x20 Jun 12 11:08:24 dpdk-eval kernel: irq event stamp: 285500 Jun 12 11:08:24 dpdk-eval kernel: hardirqs last enabled at (285497): [<ffffffff812fbc11>] intel_idle+0xe1/0x170 Jun 12 11:08:24 dpdk-eval kernel: hardirqs last disabled at (285498): [<ffffffff8100aeea>] save_args+0x6a/0x70 Jun 12 11:08:24 dpdk-eval kernel: softirqs last enabled at (285500): [<ffffffff8107a773>] _local_bh_enable+0x13/0x20 Jun 12 11:08:24 dpdk-eval kernel: softirqs last disabled at (285499): [<ffffffff8107a7f5>] irq_enter+0x75/0x90 Jun 12 11:08:24 dpdk-eval kernel: Jun 12 11:08:24 dpdk-eval kernel: other info that might help us debug this: Jun 12 11:08:24 dpdk-eval kernel: no locks held by swapper/0. Jun 12 11:08:24 dpdk-eval kernel: Jun 12 11:08:24 dpdk-eval kernel: stack backtrace: Jun 12 11:08:24 dpdk-eval kernel: Pid: 0, comm: swapper Tainted: G W --------------- 2.6.32-358.6.2.el6.x86_64.debug #1 Jun 12 11:08:24 dpdk-eval kernel: Call Trace: Jun 12 11:08:24 dpdk-eval kernel: <IRQ> [<ffffffff810b3c27>] ? print_usage_bug+0x177/0x180 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff810b4bcd>] ? mark_lock+0x35d/0x430 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff810b5eaa>] ? __lock_acquire+0x77a/0x1570 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff81013af3>] ? native_sched_clock+0x13/0x80 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff81012dc9>] ? sched_clock+0x9/0x10 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff81013af3>] ? native_sched_clock+0x13/0x80 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff81012dc9>] ? sched_clock+0x9/0x10 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff810a32dd>] ? sched_clock_cpu+0xcd/0x110 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff810b6d44>] ? lock_acquire+0xa4/0x120 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffffa003324d>] ? igbuio_pci_irqhandler+0x3d/0xe8 [igb_uio] Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff81542625>] ? _spin_lock_irqsave+0x55/0xa0 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffffa003324d>] ? igbuio_pci_irqhandler+0x3d/0xe8 [igb_uio] Jun 12 11:08:24 dpdk-eval kernel: [<ffffffffa003324d>] ? igbuio_pci_irqhandler+0x3d/0xe8 [igb_uio] Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff810a32dd>] ? sched_clock_cpu+0xcd/0x110 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffffa02822ee>] ? uio_interrupt+0x1e/0x48 [uio] Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff810f3050>] ? handle_IRQ_event+0x50/0x160 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff810f5820>] ? handle_edge_irq+0xe0/0x170 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff8100e019>] ? handle_irq+0x49/0xa0 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff81549a0c>] ? do_IRQ+0x6c/0xf0 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff8100ba53>] ? ret_from_intr+0x0/0x16 Jun 12 11:08:24 dpdk-eval kernel: <EOI> [<ffffffff812fbc18>] ? intel_idle+0xe8/0x170 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff812fbc11>] ? intel_idle+0xe1/0x170 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff81440d07>] ? cpuidle_idle_call+0xa7/0x150 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff81009fcb>] ? cpu_idle+0xbb/0x110 Jun 12 11:08:24 dpdk-eval kernel: [<ffffffff81537f37>] ? start_secondary+0x2bb/0x2fe Jun 12 11:08:24 dpdk-eval kernel: irq 0x4f handled Jun 12 11:08:25 dpdk-eval kernel: BUG: sleeping function called from invalid context at drivers/pci/access.c:402 Jun 12 11:08:25 dpdk-eval kernel: in_atomic(): 0, irqs_disabled(): 1, pid: 3386, name: link_status_int Jun 12 11:08:25 dpdk-eval kernel: INFO: lockdep is turned off. Jun 12 11:08:25 dpdk-eval kernel: irq event stamp: 240175 Jun 12 11:08:25 dpdk-eval kernel: hardirqs last enabled at (240175): [<ffffffff8100b0aa>] sysret_check+0x2e/0x69 Jun 12 11:08:25 dpdk-eval kernel: hardirqs last disabled at (240174): [<ffffffff8100b09e>] sysret_check+0x22/0x69 Jun 12 11:08:25 dpdk-eval kernel: softirqs last enabled at (240164): [<ffffffff8107a6a1>] __do_softirq+0x151/0x210 Jun 12 11:08:25 dpdk-eval kernel: softirqs last disabled at (240151): [<ffffffff8100c2cc>] call_softirq+0x1c/0x30 Jun 12 11:08:25 dpdk-eval kernel: Pid: 3386, comm: link_status_int Tainted: G W --------------- 2.6.32-358.6.2.el6.x86_64.debug #1 Jun 12 11:08:25 dpdk-eval kernel: Call Trace: Jun 12 11:08:25 dpdk-eval kernel: [<ffffffff810b0fd0>] ? print_irqtrace_events+0xd0/0xe0 Jun 12 11:08:25 dpdk-eval kernel: [<ffffffff8105af17>] ? __might_sleep+0xf7/0x130 Jun 12 11:08:25 dpdk-eval kernel: [<ffffffff812b84c4>] ? pci_cfg_access_lock+0x24/0x70 Jun 12 11:08:25 dpdk-eval kernel: [<ffffffff812b851e>] ? pci_block_user_cfg_access+0xe/0x10 Jun 12 11:08:25 dpdk-eval kernel: [<ffffffffa00331d8>] ? igbuio_pci_irqcontrol+0x48/0x80 [igb_uio] Jun 12 11:08:25 dpdk-eval kernel: [<ffffffffa0281ae0>] ? uio_write+0x90/0xa0 [uio] Jun 12 11:08:25 dpdk-eval kernel: [<ffffffff8119d448>] ? vfs_write+0xb8/0x1a0 Jun 12 11:08:25 dpdk-eval kernel: [<ffffffff8119e636>] ? fget_light+0x66/0x100 Jun 12 11:08:25 dpdk-eval kernel: [<ffffffff81541da8>] ? lockdep_sys_exit_thunk+0x35/0x67 Jun 12 11:08:25 dpdk-eval kernel: [<ffffffff8119dd41>] ? sys_write+0x51/0x90 Jun 12 11:08:25 dpdk-eval kernel: [<ffffffff8100b072>] ? system_call_fastpath+0x16/0x1b Jun 12 11:08:25 dpdk-eval kernel: irq 0x50 handled Jun 12 11:08:25 dpdk-eval rte[3386]: LSI: lcore 1 has nothing to do Jun 12 11:08:25 dpdk-eval rte[3386]: LSI: lcore 2 has nothing to do Jun 12 11:08:25 dpdk-eval rte[3386]: LSI: entering main loop on lcore 0 Jun 12 11:08:25 dpdk-eval rte[3386]: LSI: -- lcoreid=0 portid=0 Jun 12 11:08:25 dpdk-eval rte[3386]: LSI: -- lcoreid=0 portid=1 Jun 12 11:08:25 dpdk-eval rte[3386]: LSI: lcore 3 has nothing to do Jun 12 11:08:26 dpdk-eval kernel: BUG: sleeping function called from invalid context at drivers/pci/access.c:402 Jun 12 11:08:26 dpdk-eval kernel: in_atomic(): 0, irqs_disabled(): 1, pid: 3387, name: link_status_int Jun 12 11:08:26 dpdk-eval kernel: INFO: lockdep is turned off. Jun 12 11:08:26 dpdk-eval kernel: irq event stamp: 806 Jun 12 11:08:26 dpdk-eval kernel: hardirqs last enabled at (805): [<ffffffff81542270>] _spin_unlock_irqrestore+0x40/0x80 Jun 12 11:08:26 dpdk-eval kernel: hardirqs last disabled at (806): [<ffffffff8154256f>] _spin_lock_irq+0x1f/0x80 Jun 12 11:08:26 dpdk-eval kernel: softirqs last enabled at (0): [<ffffffff8106f785>] copy_process+0x625/0x1660 Jun 12 11:08:26 dpdk-eval kernel: softirqs last disabled at (0): [<(null)>] (null) Jun 12 11:08:26 dpdk-eval kernel: Pid: 3387, comm: link_status_int Tainted: G W --------------- 2.6.32-358.6.2.el6.x86_64.debug #1 Jun 12 11:08:26 dpdk-eval kernel: Call Trace: Jun 12 11:08:26 dpdk-eval kernel: [<ffffffff810b0fd0>] ? print_irqtrace_events+0xd0/0xe0 Jun 12 11:08:26 dpdk-eval kernel: [<ffffffff8105af17>] ? __might_sleep+0xf7/0x130 Jun 12 11:08:26 dpdk-eval kernel: [<ffffffff812b84c4>] ? pci_cfg_access_lock+0x24/0x70 Jun 12 11:08:26 dpdk-eval kernel: [<ffffffff812b851e>] ? pci_block_user_cfg_access+0xe/0x10 Jun 12 11:08:26 dpdk-eval kernel: [<ffffffffa00331d8>] ? igbuio_pci_irqcontrol+0x48/0x80 [igb_uio] Jun 12 11:08:26 dpdk-eval kernel: [<ffffffffa0281ae0>] ? uio_write+0x90/0xa0 [uio] Jun 12 11:08:26 dpdk-eval kernel: [<ffffffff8119d448>] ? vfs_write+0xb8/0x1a0 Jun 12 11:08:26 dpdk-eval kernel: [<ffffffff8119e636>] ? fget_light+0x66/0x100 Jun 12 11:08:26 dpdk-eval kernel: [<ffffffff8119dd41>] ? sys_write+0x51/0x90 Jun 12 11:08:26 dpdk-eval kernel: [<ffffffff8100b072>] ? system_call_fastpath+0x16/0x1b Jun 12 11:08:40 dpdk-eval kernel: BUG: sleeping function called from invalid context at drivers/pci/access.c:402 Jun 12 11:08:40 dpdk-eval kernel: in_atomic(): 1, irqs_disabled(): 1, pid: 0, name: swapper Jun 12 11:08:40 dpdk-eval kernel: INFO: lockdep is turned off. Jun 12 11:08:40 dpdk-eval kernel: irq event stamp: 285500 Jun 12 11:08:40 dpdk-eval kernel: hardirqs last enabled at (285497): [<ffffffff812fbc11>] intel_idle+0xe1/0x170 Jun 12 11:08:40 dpdk-eval kernel: hardirqs last disabled at (285498): [<ffffffff8100aeea>] save_args+0x6a/0x70 Jun 12 11:08:40 dpdk-eval kernel: softirqs last enabled at (285500): [<ffffffff8107a773>] _local_bh_enable+0x13/0x20 Jun 12 11:08:40 dpdk-eval kernel: softirqs last disabled at (285499): [<ffffffff8107a7f5>] irq_enter+0x75/0x90 Jun 12 11:08:40 dpdk-eval kernel: Pid: 0, comm: swapper Tainted: G W --------------- 2.6.32-358.6.2.el6.x86_64.debug #1 Jun 12 11:08:40 dpdk-eval kernel: Call Trace: Jun 12 11:08:40 dpdk-eval kernel: <IRQ> [<ffffffff810b0fd0>] ? print_irqtrace_events+0xd0/0xe0 Jun 12 11:08:40 dpdk-eval kernel: [<ffffffff8105af17>] ? __might_sleep+0xf7/0x130 Jun 12 11:08:40 dpdk-eval kernel: [<ffffffff812b84c4>] ? pci_cfg_access_lock+0x24/0x70 Jun 12 11:08:40 dpdk-eval kernel: [<ffffffff810b506d>] ? trace_hardirqs_on+0xd/0x10 Jun 12 11:08:40 dpdk-eval kernel: [<ffffffff812b851e>] ? pci_block_user_cfg_access+0xe/0x10 Jun 12 11:08:40 dpdk-eval kernel: [<ffffffffa0033258>] ? igbuio_pci_irqhandler+0x48/0xe8 [igb_uio] Jun 12 11:08:40 dpdk-eval kernel: [<ffffffffa02822ee>] ? uio_interrupt+0x1e/0x48 [uio] Jun 12 11:08:40 dpdk-eval kernel: [<ffffffff810f5762>] ? handle_edge_irq+0x22/0x170 Jun 12 11:08:40 dpdk-eval kernel: [<ffffffff810f3050>] ? handle_IRQ_event+0x50/0x160 Jun 12 11:08:40 dpdk-eval kernel: [<ffffffff810f5820>] ? handle_edge_irq+0xe0/0x170 Jun 12 11:08:40 dpdk-eval kernel: [<ffffffff8100e019>] ? handle_irq+0x49/0xa0 Jun 12 11:08:40 dpdk-eval kernel: [<ffffffff81549a0c>] ? do_IRQ+0x6c/0xf0 Jun 12 11:08:40 dpdk-eval kernel: [<ffffffff8100ba53>] ? ret_from_intr+0x0/0x16 Jun 12 11:08:40 dpdk-eval kernel: <EOI> [<ffffffff812fbc11>] ? intel_idle+0xe1/0x170 Jun 12 11:08:40 dpdk-eval kernel: [<ffffffff812fbc18>] ? intel_idle+0xe8/0x170 Jun 12 11:08:40 dpdk-eval kernel: [<ffffffff812fbc11>] ? intel_idle+0xe1/0x170 Jun 12 11:08:40 dpdk-eval kernel: [<ffffffff81440d07>] ? cpuidle_idle_call+0xa7/0x150 Jun 12 11:08:40 dpdk-eval kernel: [<ffffffff81009fcb>] ? cpu_idle+0xbb/0x110 Jun 12 11:08:40 dpdk-eval kernel: [<ffffffff81537f37>] ? start_secondary+0x2bb/0x2fe Jun 12 11:08:40 dpdk-eval kernel: irq 0x4f handled Jun 12 11:08:44 dpdk-eval kernel: BUG: sleeping function called from invalid context at drivers/pci/access.c:402 Jun 12 11:08:44 dpdk-eval kernel: in_atomic(): 0, irqs_disabled(): 1, pid: 3387, name: link_status_int Jun 12 11:08:44 dpdk-eval kernel: INFO: lockdep is turned off. Jun 12 11:08:44 dpdk-eval kernel: irq event stamp: 806 Jun 12 11:08:44 dpdk-eval kernel: hardirqs last enabled at (805): [<ffffffff81542270>] _spin_unlock_irqrestore+0x40/0x80 Jun 12 11:08:44 dpdk-eval kernel: hardirqs last disabled at (806): [<ffffffff8154256f>] _spin_lock_irq+0x1f/0x80 Jun 12 11:08:44 dpdk-eval kernel: softirqs last enabled at (0): [<ffffffff8106f785>] copy_process+0x625/0x1660 Jun 12 11:08:44 dpdk-eval kernel: softirqs last disabled at (0): [<(null)>] (null) Jun 12 11:08:44 dpdk-eval kernel: Pid: 3387, comm: link_status_int Tainted: G W --------------- 2.6.32-358.6.2.el6.x86_64.debug #1 Jun 12 11:08:44 dpdk-eval kernel: Call Trace: Jun 12 11:08:44 dpdk-eval kernel: [<ffffffff810b0fd0>] ? print_irqtrace_events+0xd0/0xe0 Jun 12 11:08:44 dpdk-eval kernel: [<ffffffff8105af17>] ? __might_sleep+0xf7/0x130 Jun 12 11:08:44 dpdk-eval kernel: [<ffffffff812b84c4>] ? pci_cfg_access_lock+0x24/0x70 Jun 12 11:08:44 dpdk-eval kernel: [<ffffffff812b851e>] ? pci_block_user_cfg_access+0xe/0x10 Jun 12 11:08:44 dpdk-eval kernel: [<ffffffffa00331d8>] ? igbuio_pci_irqcontrol+0x48/0x80 [igb_uio] Jun 12 11:08:44 dpdk-eval kernel: [<ffffffffa0281ae0>] ? uio_write+0x90/0xa0 [uio] Jun 12 11:08:44 dpdk-eval kernel: [<ffffffff8119d448>] ? vfs_write+0xb8/0x1a0 Jun 12 11:08:44 dpdk-eval kernel: [<ffffffff8119e636>] ? fget_light+0x66/0x100 Jun 12 11:08:44 dpdk-eval kernel: [<ffffffff8119dd41>] ? sys_write+0x51/0x90 Jun 12 11:08:44 dpdk-eval kernel: [<ffffffff8100b072>] ? system_call_fastpath+0x16/0x1b Jun 12 11:08:46 dpdk-eval kernel: BUG: sleeping function called from invalid context at drivers/pci/access.c:402 Jun 12 11:08:46 dpdk-eval kernel: in_atomic(): 1, irqs_disabled(): 1, pid: 0, name: swapper Jun 12 11:08:46 dpdk-eval kernel: INFO: lockdep is turned off. Jun 12 11:08:46 dpdk-eval kernel: irq event stamp: 285500 Jun 12 11:08:46 dpdk-eval kernel: hardirqs last enabled at (285497): [<ffffffff812fbc11>] intel_idle+0xe1/0x170 Jun 12 11:08:46 dpdk-eval kernel: hardirqs last disabled at (285498): [<ffffffff8100aeea>] save_args+0x6a/0x70 Jun 12 11:08:46 dpdk-eval kernel: softirqs last enabled at (285500): [<ffffffff8107a773>] _local_bh_enable+0x13/0x20 Jun 12 11:08:46 dpdk-eval kernel: softirqs last disabled at (285499): [<ffffffff8107a7f5>] irq_enter+0x75/0x90 Jun 12 11:08:46 dpdk-eval kernel: Pid: 0, comm: swapper Tainted: G W --------------- 2.6.32-358.6.2.el6.x86_64.debug #1 Jun 12 11:08:46 dpdk-eval kernel: Call Trace: Jun 12 11:08:46 dpdk-eval kernel: <IRQ> [<ffffffff810b0fd0>] ? print_irqtrace_events+0xd0/0xe0 Jun 12 11:08:46 dpdk-eval kernel: [<ffffffff8105af17>] ? __might_sleep+0xf7/0x130 Jun 12 11:08:46 dpdk-eval kernel: [<ffffffff812b84c4>] ? pci_cfg_access_lock+0x24/0x70 Jun 12 11:08:46 dpdk-eval kernel: [<ffffffff812b851e>] ? pci_block_user_cfg_access+0xe/0x10 Jun 12 11:08:46 dpdk-eval kernel: [<ffffffffa0033258>] ? igbuio_pci_irqhandler+0x48/0xe8 [igb_uio] Jun 12 11:08:46 dpdk-eval kernel: [<ffffffffa02822ee>] ? uio_interrupt+0x1e/0x48 [uio] Jun 12 11:08:46 dpdk-eval kernel: [<ffffffff810f5762>] ? handle_edge_irq+0x22/0x170 Jun 12 11:08:46 dpdk-eval kernel: [<ffffffff810f3050>] ? handle_IRQ_event+0x50/0x160 Jun 12 11:08:46 dpdk-eval kernel: [<ffffffff810f5820>] ? handle_edge_irq+0xe0/0x170 Jun 12 11:08:46 dpdk-eval kernel: [<ffffffff8100e019>] ? handle_irq+0x49/0xa0 Jun 12 11:08:46 dpdk-eval kernel: [<ffffffff81549a0c>] ? do_IRQ+0x6c/0xf0 Jun 12 11:08:46 dpdk-eval kernel: [<ffffffff8100ba53>] ? ret_from_intr+0x0/0x16 Jun 12 11:08:46 dpdk-eval kernel: <EOI> [<ffffffff812fbc11>] ? intel_idle+0xe1/0x170 Jun 12 11:08:46 dpdk-eval kernel: [<ffffffff812fbc18>] ? intel_idle+0xe8/0x170 Jun 12 11:08:46 dpdk-eval kernel: [<ffffffff812fbc11>] ? intel_idle+0xe1/0x170 Jun 12 11:08:46 dpdk-eval kernel: [<ffffffff81440d07>] ? cpuidle_idle_call+0xa7/0x150 Jun 12 11:08:46 dpdk-eval kernel: [<ffffffff81009fcb>] ? cpu_idle+0xbb/0x110 Jun 12 11:08:46 dpdk-eval kernel: [<ffffffff81537f37>] ? start_secondary+0x2bb/0x2fe Jun 12 11:08:46 dpdk-eval kernel: irq 0x4f handled Jun 12 11:08:47 dpdk-eval kernel: BUG: sleeping function called from invalid context at drivers/pci/access.c:402 Jun 12 11:08:47 dpdk-eval kernel: in_atomic(): 0, irqs_disabled(): 1, pid: 3387, name: link_status_int Jun 12 11:08:47 dpdk-eval kernel: INFO: lockdep is turned off. Jun 12 11:08:47 dpdk-eval kernel: irq event stamp: 806 Jun 12 11:08:47 dpdk-eval kernel: hardirqs last enabled at (805): [<ffffffff81542270>] _spin_unlock_irqrestore+0x40/0x80 Jun 12 11:08:47 dpdk-eval kernel: hardirqs last disabled at (806): [<ffffffff8154256f>] _spin_lock_irq+0x1f/0x80 Jun 12 11:08:47 dpdk-eval kernel: softirqs last enabled at (0): [<ffffffff8106f785>] copy_process+0x625/0x1660 Jun 12 11:08:47 dpdk-eval kernel: softirqs last disabled at (0): [<(null)>] (null) Jun 12 11:08:47 dpdk-eval kernel: Pid: 3387, comm: link_status_int Tainted: G W --------------- 2.6.32-358.6.2.el6.x86_64.debug #1 Jun 12 11:08:47 dpdk-eval kernel: Call Trace: Jun 12 11:08:47 dpdk-eval kernel: [<ffffffff810b0fd0>] ? print_irqtrace_events+0xd0/0xe0 Jun 12 11:08:47 dpdk-eval kernel: [<ffffffff8105af17>] ? __might_sleep+0xf7/0x130 Jun 12 11:08:47 dpdk-eval kernel: [<ffffffff812b84c4>] ? pci_cfg_access_lock+0x24/0x70 Jun 12 11:08:47 dpdk-eval kernel: [<ffffffff812b851e>] ? pci_block_user_cfg_access+0xe/0x10 Jun 12 11:08:47 dpdk-eval kernel: [<ffffffffa00331d8>] ? igbuio_pci_irqcontrol+0x48/0x80 [igb_uio] Jun 12 11:08:47 dpdk-eval kernel: [<ffffffffa0281ae0>] ? uio_write+0x90/0xa0 [uio] Jun 12 11:08:47 dpdk-eval kernel: [<ffffffff8119d448>] ? vfs_write+0xb8/0x1a0 Jun 12 11:08:47 dpdk-eval kernel: [<ffffffff8119e636>] ? fget_light+0x66/0x100 Jun 12 11:08:47 dpdk-eval kernel: [<ffffffff8119dd41>] ? sys_write+0x51/0x90 Jun 12 11:08:47 dpdk-eval kernel: [<ffffffff8100b072>] ? system_call_fastpath+0x16/0x1b Jun 12 11:08:52 dpdk-eval kernel: BUG: sleeping function called from invalid context at drivers/pci/access.c:402 Jun 12 11:08:52 dpdk-eval kernel: in_atomic(): 1, irqs_disabled(): 1, pid: 0, name: swapper Jun 12 11:08:52 dpdk-eval kernel: INFO: lockdep is turned off. Jun 12 11:08:52 dpdk-eval kernel: irq event stamp: 285500 Jun 12 11:08:52 dpdk-eval kernel: hardirqs last enabled at (285497): [<ffffffff812fbc11>] intel_idle+0xe1/0x170 Jun 12 11:08:52 dpdk-eval kernel: hardirqs last disabled at (285498): [<ffffffff8100aeea>] save_args+0x6a/0x70 Jun 12 11:08:52 dpdk-eval kernel: softirqs last enabled at (285500): [<ffffffff8107a773>] _local_bh_enable+0x13/0x20 Jun 12 11:08:52 dpdk-eval kernel: softirqs last disabled at (285499): [<ffffffff8107a7f5>] irq_enter+0x75/0x90 Jun 12 11:08:52 dpdk-eval kernel: Pid: 0, comm: swapper Tainted: G W --------------- 2.6.32-358.6.2.el6.x86_64.debug #1 Jun 12 11:08:52 dpdk-eval kernel: Call Trace: Jun 12 11:08:52 dpdk-eval kernel: <IRQ> [<ffffffff810b0fd0>] ? print_irqtrace_events+0xd0/0xe0 Jun 12 11:08:52 dpdk-eval kernel: [<ffffffff8105af17>] ? __might_sleep+0xf7/0x130 Jun 12 11:08:52 dpdk-eval kernel: [<ffffffff812b84c4>] ? pci_cfg_access_lock+0x24/0x70 Jun 12 11:08:52 dpdk-eval kernel: [<ffffffff812b851e>] ? pci_block_user_cfg_access+0xe/0x10 Jun 12 11:08:52 dpdk-eval kernel: [<ffffffffa0033258>] ? igbuio_pci_irqhandler+0x48/0xe8 [igb_uio] Jun 12 11:08:52 dpdk-eval kernel: [<ffffffffa02822ee>] ? uio_interrupt+0x1e/0x48 [uio] Jun 12 11:08:52 dpdk-eval kernel: [<ffffffff810f5762>] ? handle_edge_irq+0x22/0x170 Jun 12 11:08:52 dpdk-eval kernel: [<ffffffff810f3050>] ? handle_IRQ_event+0x50/0x160 Jun 12 11:08:52 dpdk-eval kernel: [<ffffffff810f5820>] ? handle_edge_irq+0xe0/0x170 Jun 12 11:08:52 dpdk-eval kernel: [<ffffffff8100e019>] ? handle_irq+0x49/0xa0 Jun 12 11:08:52 dpdk-eval kernel: [<ffffffff81549a0c>] ? do_IRQ+0x6c/0xf0 Jun 12 11:08:52 dpdk-eval kernel: [<ffffffff8100ba53>] ? ret_from_intr+0x0/0x16 Jun 12 11:08:52 dpdk-eval kernel: <EOI> [<ffffffff812fbc11>] ? intel_idle+0xe1/0x170 Jun 12 11:08:52 dpdk-eval kernel: [<ffffffff812fbc18>] ? intel_idle+0xe8/0x170 Jun 12 11:08:52 dpdk-eval kernel: [<ffffffff812fbc11>] ? intel_idle+0xe1/0x170 Jun 12 11:08:52 dpdk-eval kernel: [<ffffffff81440d07>] ? cpuidle_idle_call+0xa7/0x150 Jun 12 11:08:52 dpdk-eval kernel: [<ffffffff81009fcb>] ? cpu_idle+0xbb/0x110 Jun 12 11:08:52 dpdk-eval kernel: [<ffffffff81537f37>] ? start_secondary+0x2bb/0x2fe Jun 12 11:08:52 dpdk-eval kernel: irq 0x4f handled Jun 12 11:08:53 dpdk-eval kernel: BUG: sleeping function called from invalid context at drivers/pci/access.c:402 Jun 12 11:08:53 dpdk-eval kernel: in_atomic(): 0, irqs_disabled(): 1, pid: 3387, name: link_status_int Jun 12 11:08:53 dpdk-eval kernel: INFO: lockdep is turned off. Jun 12 11:08:53 dpdk-eval kernel: irq event stamp: 806 Jun 12 11:08:53 dpdk-eval kernel: hardirqs last enabled at (805): [<ffffffff81542270>] _spin_unlock_irqrestore+0x40/0x80 Jun 12 11:08:53 dpdk-eval kernel: hardirqs last disabled at (806): [<ffffffff8154256f>] _spin_lock_irq+0x1f/0x80 Jun 12 11:08:53 dpdk-eval kernel: softirqs last enabled at (0): [<ffffffff8106f785>] copy_process+0x625/0x1660 Jun 12 11:08:53 dpdk-eval kernel: softirqs last disabled at (0): [<(null)>] (null) Jun 12 11:08:53 dpdk-eval kernel: Pid: 3387, comm: link_status_int Tainted: G W --------------- 2.6.32-358.6.2.el6.x86_64.debug #1 Jun 12 11:08:53 dpdk-eval kernel: Call Trace: Jun 12 11:08:53 dpdk-eval kernel: [<ffffffff810b0fd0>] ? print_irqtrace_events+0xd0/0xe0 Jun 12 11:08:53 dpdk-eval kernel: [<ffffffff8105af17>] ? __might_sleep+0xf7/0x130 Jun 12 11:08:53 dpdk-eval kernel: [<ffffffff812b84c4>] ? pci_cfg_access_lock+0x24/0x70 Jun 12 11:08:53 dpdk-eval kernel: [<ffffffff812b851e>] ? pci_block_user_cfg_access+0xe/0x10 Jun 12 11:08:53 dpdk-eval kernel: [<ffffffffa00331d8>] ? igbuio_pci_irqcontrol+0x48/0x80 [igb_uio] Jun 12 11:08:53 dpdk-eval kernel: [<ffffffffa0281ae0>] ? uio_write+0x90/0xa0 [uio] Jun 12 11:08:53 dpdk-eval kernel: [<ffffffff8119d448>] ? vfs_write+0xb8/0x1a0 Jun 12 11:08:53 dpdk-eval kernel: [<ffffffff8119e636>] ? fget_light+0x66/0x100 Jun 12 11:08:53 dpdk-eval kernel: [<ffffffff8119dd41>] ? sys_write+0x51/0x90 Jun 12 11:08:53 dpdk-eval kernel: [<ffffffff8100b072>] ? system_call_fastpath+0x16/0x1b Jun 12 11:09:12 dpdk-eval kernel: link_status_int used greatest stack depth: 2968 bytes left