Public bug reported: Using the new alx module in 3.5.0-24.37, some HP systems have the problem that the transmit queue times out:
Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.846931] ------------[ cut here ]------------ Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.846940] WARNING: at /build/buildd/linux-lts-quantal-3.5.0/net/sched/sch_generic.c:255 dev_watchdog+0x272/0x280() Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.846942] Hardware name: Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.846943] NETDEV WATCHDOG: eth0 (alx): transmit queue 2 timed out Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.846945] Modules linked in: nls_iso8859_1 rfcomm bnep parport_pc ppdev dm_multipath scsi_dh arc4 joydev ath9k mac80211 snd_hda_codec_idt(O) snd_hda_intel(O) snd_hda_codec(O) ath9k_common kvm_amd kvm ath9k_hw snd_hwdep snd_pcm btusb ath snd_seq_midi snd_rawmidi alx snd_seq_midi_event ghash_clmulni_intel bluetooth snd_seq cfg80211 snd_timer snd_seq_device snd aesni_intel cryptd mdio aes_x86_64 psmouse soundcore snd_page_alloc serio_raw microcode mac_hid i2c_piix4 k10temp lp parport binfmt_misc dm_raid45 xor dm_mirror dm_region_hash dm_log btrfs zlib_deflate libcrc32c vesafb usb_storage hid_generic usbhid hid wmi Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.846979] Pid: 0, comm: swapper/3 Tainted: G O 3.5.0-24-generic #37~precise1-Ubuntu Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.846981] Call Trace: Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.846983] <IRQ> [<ffffffff81052c6f>] warn_slowpath_common+0x7f/0xc0 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.846989] [<ffffffff81052d66>] warn_slowpath_fmt+0x46/0x50 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.846992] [<ffffffff815a0eb2>] dev_watchdog+0x272/0x280 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.846996] [<ffffffff8101be03>] ? native_sched_clock+0x13/0x80 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.846998] [<ffffffff815a0c40>] ? pfifo_fast_dequeue+0xe0/0xe0 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.847000] [<ffffffff815a0c40>] ? pfifo_fast_dequeue+0xe0/0xe0 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.847003] [<ffffffff81062c86>] call_timer_fn+0x46/0x160 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.847005] [<ffffffff815a0c40>] ? pfifo_fast_dequeue+0xe0/0xe0 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.847007] [<ffffffff810645d2>] run_timer_softirq+0x132/0x2a0 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.847010] [<ffffffff810a40a5>] ? ktime_get+0x65/0xe0 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.847013] [<ffffffff8105ba28>] __do_softirq+0xa8/0x210 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.847015] [<ffffffff810ab204>] ? tick_program_event+0x24/0x30 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.847018] [<ffffffff816a8e1c>] call_softirq+0x1c/0x30 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.847021] [<ffffffff81016245>] do_softirq+0x65/0xa0 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.847023] [<ffffffff8105be0e>] irq_exit+0x8e/0xb0 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.847025] [<ffffffff816a975e>] smp_apic_timer_interrupt+0x6e/0x99 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.847028] [<ffffffff816a84ca>] apic_timer_interrupt+0x6a/0x70 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.847029] <EOI> [<ffffffff8103ff56>] ? native_safe_halt+0x6/0x10 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.847034] [<ffffffff8101c993>] default_idle+0x53/0x1f0 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.847036] [<ffffffff8101d8a9>] cpu_idle+0xd9/0x120 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.847039] [<ffffffff8167bc07>] start_secondary+0xc3/0xc5 Feb 19 06:54:40 ubuntu-desktop kernel: [ 20.847041] ---[ end trace 24ab339038e093ee ]--- I'll include the full kernel log as an attachment ** Affects: hwe-next Importance: Undecided Status: New ** Affects: linux (Ubuntu) Importance: Undecided Status: Incomplete ** Tags: blocks-hwcert-enablement quantal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1130503 Title: Some HP machines do not work with the alx driver To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1130503/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs