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[Rafael David Tinoco <inaddy@xxxxxxxxxx>]

I got confirmation that these cherry-picks fix the issue.

I'm going to send the merge proposal to the kernel team.

Thank you

Rafael Tinoco

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https://bugs.launchpad.net/bugs/1425333

Title:
  Precise kernel lockup with Intel Corporation 82579LM network
  interfaces

Status in linux package in Ubuntu:
  In Progress

Bug description:
  It was brought to my attention the following lockup (and error
  message):

  Feb  1 21:17:54 hostname kernel: [10461681.674619] NETDEV WATCHDOG:
  eth0 (e1000e): transmit queue 0 timed out

  """
  Feb  1 21:17:54 hostname kernel: [10461681.674613] WARNING: at /build/buildd/linux-3.2.0/net/sched/sch_generic.c:255 dev_watchdog+0x25a/0x270()
  Feb  1 21:17:54 hostname kernel: [10461681.674616] Hardware name: HP Z210 Workstation
  Feb  1 21:17:54 hostname kernel: [10461681.674619] NETDEV WATCHDOG: eth0 (e1000e): transmit queue 0 timed out
  Feb  1 21:17:54 hostname kernel: [10461681.674622] Modules linked in: nvidia(P) btrfs zlib_deflate libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs reiserfs ext2 openafs(P) bnep rfcomm bluetooth autofs4 parport_pc ppdev nfsd nfs binfmt_misc lockd fscache auth_rpcgss nfs_acl sunrpc snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq joydev hp_wmi snd_timer snd_seq_device snd mei(C) psmouse soundcore sparse_keymap serio_raw mac_hid wmi snd_page_alloc lp parport dm_multipath ses enclosure hid_logitech_dj usb_storage usbhid hid e1000e [last unloaded: nvidia]
  Feb  1 21:17:54 hostname kernel: [10461681.674683] Pid: 0, comm: swapper/0 Tainted: P         C O 3.2.0-69-generic #103-Ubuntu
  Feb  1 21:17:54 hostname kernel: [10461681.674684] Call Trace:
  Feb  1 21:17:54 hostname kernel: [10461681.674685]  <IRQ>  [<ffffffff8106844f>] warn_slowpath_common+0x7f/0xc0
  Feb  1 21:17:54 hostname kernel: [10461681.674692]  [<ffffffff8104f634>] ? __enqueue_entity+0x74/0x80
  Feb  1 21:17:54 hostname kernel: [10461681.674694]  [<ffffffff81068546>] warn_slowpath_fmt+0x46/0x50
  Feb  1 21:17:54 hostname kernel: [10461681.674696]  [<ffffffff81025392>] ? x86_pmu_enable+0x1f2/0x270
  Feb  1 21:17:54 hostname kernel: [10461681.674699]  [<ffffffff815684fa>] dev_watchdog+0x25a/0x270
  Feb  1 21:17:54 hostname kernel: [10461681.674701]  [<ffffffff81113310>] ? perf_rotate_context+0x110/0x220
  Feb  1 21:17:54 hostname kernel: [10461681.674703]  [<ffffffff815682a0>] ? qdisc_reset+0x50/0x50
  Feb  1 21:17:54 hostname kernel: [10461681.674705]  [<ffffffff815682a0>] ? qdisc_reset+0x50/0x50
  Feb  1 21:17:54 hostname kernel: [10461681.674708]  [<ffffffff81077456>] call_timer_fn+0x46/0x160
  Feb  1 21:17:54 hostname kernel: [10461681.674710]  [<ffffffff815682a0>] ? qdisc_reset+0x50/0x50
  Feb  1 21:17:54 hostname kernel: [10461681.674712]  [<ffffffff81078da2>] run_timer_softirq+0x132/0x2a0
  Feb  1 21:17:54 hostname kernel: [10461681.674715]  [<ffffffff81096655>] ? ktime_get+0x65/0xe0
  Feb  1 21:17:54 hostname kernel: [10461681.674717]  [<ffffffff8106fce8>] __do_softirq+0xa8/0x210
  Feb  1 21:17:54 hostname kernel: [10461681.674719]  [<ffffffff8109d664>] ? tick_program_event+0x24/0x30
  Feb  1 21:17:54 hostname kernel: [10461681.674723]  [<ffffffff8166e4ac>] call_softirq+0x1c/0x30
  Feb  1 21:17:54 hostname kernel: [10461681.674725]  [<ffffffff81016495>] do_softirq+0x65/0xa0
  Feb  1 21:17:54 hostname kernel: [10461681.674727]  [<ffffffff810700ce>] irq_exit+0x8e/0xb0
  Feb  1 21:17:54 hostname kernel: [10461681.674729]  [<ffffffff8166ee5e>] smp_apic_timer_interrupt+0x6e/0x99
  Feb  1 21:17:54 hostname kernel: [10461681.674731]  [<ffffffff8166cd1e>] apic_timer_interrupt+0x6e/0x80
  Feb  1 21:17:54 hostname kernel: [10461681.674732]  <EOI>  [<ffffffff8101d721>] ? __switch_to_xtra+0x171/0x180
  Feb  1 21:17:54 hostname kernel: [10461681.674737]  [<ffffffff813713ad>] ? intel_idle+0xed/0x150
  Feb  1 21:17:54 hostname kernel: [10461681.674739]  [<ffffffff8137138f>] ? intel_idle+0xcf/0x150
  Feb  1 21:17:54 hostname kernel: [10461681.674742]  [<ffffffff8150e001>] cpuidle_idle_call+0xc1/0x290
  Feb  1 21:17:54 hostname kernel: [10461681.674744]  [<ffffffff8101322a>] cpu_idle+0xca/0x120
  Feb  1 21:17:54 hostname kernel: [10461681.674746]  [<ffffffff8162a4fe>] rest_init+0x72/0x74
  Feb  1 21:17:54 hostname kernel: [10461681.674750]  [<ffffffff81cfcc06>] start_kernel+0x3b5/0x3c2
  Feb  1 21:17:54 hostname kernel: [10461681.674752]  [<ffffffff81cfc388>] x86_64_start_reservations+0x132/0x136
  Feb  1 21:17:54 hostname kernel: [10461681.674754]  [<ffffffff81cfc140>] ? early_idt_handlers+0x140/0x140
  Feb  1 21:17:54 hostname kernel: [10461681.674756]  [<ffffffff81cfc459>] x86_64_start_kernel+0xcd/0xdc
  Feb  1 21:17:54 hostname kernel: [10461681.674757] ---[ end trace a84a3dbc98d19bff ]---
  Feb  1 21:17:54 hostname kernel: [10461681.674762] e1000e 0000:00:19.0: eth0: Reset adapter
  Feb  1 21:17:58 hostname kernel: [10461685.529232] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
  """

  This happens with the e1000e module on HP z210 systems.

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