| title: | network hanging on heavy load |
|
can anyone explain this
kernel: INFO: task sirq-net-rx/0:8 blocked for more than 120 seconds.
kernel: "echo 0 /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kernel: sirq-net-rx/0 M (005) [f78660f0] c483b600 [on rq #0] 0 8 2
kernel: f7852e44 00000046 c483b600 c483b600 00000001 00000078 41dd129d
0000015e
kernel: f78660f0 f7866384 c483b600 00000000 f7852000 c0445a58 f5f0e7a4
0000000a
kernel: 00000000 00000000 c48389c0 f5f0e7a0 f7852e64 f5f0e338 f5f0e330
c48389c0
kernel: Call Trace:
kernel: [<c0445a58 ] ? __rt_mutex_adjust_prio+0x19/0x1c
kernel: [<c0632f85 ] schedule+0xbf/0xd8
kernel: [<c063439d ] rt_spin_lock_slowlock+0x134/0x1eb
kernel: [<c06348c3 ] __rt_spin_lock+0x5e/0x61
kernel: [<c06348fe ] rt_spin_lock+0x38/0x3b
kernel: [<c04832c5 ] kfree+0x29/0x7b
kernel: [<c05bdbdd ] skb_release_data+0x82/0x87
kernel: [<c05be19b ] skb_release_all+0xab/0xae
kernel: [<c05bda81 ] __kfree_skb+0xb/0x66
kernel: [<c05bdb0a ] kfree_skb+0x2e/0x30
kernel: [<c05c451f ] dev_kfree_skb_any+0x40/0x42
kernel: [<f8a54e8b ] e1000_put_txbuf+0x52/0x61 [e1000e]
kernel: [<f8a54fed ] e1000_clean_tx_irq+0xae/0x288 [e1000e]
kernel: [<c0421966 ] ? finish_task_switch+0x4e/0xf0
kernel: [<f8a55484 ] e1000_clean+0x3e/0x1d7 [e1000e]
kernel: [<c05c467d ] net_rx_action+0xa6/0x1af
kernel: [<c042dfec ] ksoftirqd+0x155/0x239
kernel: [<c042de97 ] ? ksoftirqd+0x0/0x239
kernel: [<c0439f63 ] kthread+0x3b/0x64
kernel: [<c0439f28 ] ? kthread+0x0/0x64
kernel: [<c0405803 ] kernel_thread_helper+0x7/0x10
kernel: =======================
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