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08-26-2015, 12:58 PM | #1 |
Junior Member
Join Date: Aug 2015
Posts: 6
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DisplayLink Lenovo Dock USB 3 : network lost after screensaver mode
Hello
thank for your work that's very helpful Some quick remark (without real investigation on my side) - Sometime after waking up from the screen saver mode I notice that's my network connectivity from my Displaylink Lenovo USB 3 is lost. For testing I'm connecting the network cable directly to the laptop without using the displaylink ethernet port and the network come back. So the issue seems to be on the displaylink network port. Here the log of the crash (I suppose, but i'm not sure). The issue seems related to "intel_powerclamp: Start idle injection to reduce power" Code:
Aug 26 12:54:01 X1Carbon kernel: [18721.959692] intel_powerclamp: Start idle injection to reduce power Aug 26 12:55:35 X1Carbon kernel: [18816.310507] cdc_ncm 3-1.2.4.1:1.5 usb0: network connection: disconnected Aug 26 12:55:35 X1Carbon NetworkManager[2308]: <info> (usb0): link disconnected (deferring action for 4 seconds) Aug 26 12:55:38 X1Carbon kernel: [18819.434023] cdc_ncm 3-1.2.4.1:1.5 usb0: 1000 mbit/s downlink 1000 mbit/s uplink Aug 26 12:55:38 X1Carbon kernel: [18819.450050] cdc_ncm 3-1.2.4.1:1.5 usb0: network connection: connected Aug 26 12:55:38 X1Carbon NetworkManager[2308]: <info> (usb0): link connected Aug 26 12:55:56 X1Carbon kernel: [18836.942142] cdc_ncm 3-1.2.4.1:1.5 usb0: network connection: disconnected Aug 26 12:55:56 X1Carbon NetworkManager[2308]: <info> (usb0): link disconnected (deferring action for 4 seconds) Aug 26 12:55:59 X1Carbon kernel: [18840.161564] cdc_ncm 3-1.2.4.1:1.5 usb0: 1000 mbit/s downlink 1000 mbit/s uplink Aug 26 12:55:59 X1Carbon kernel: [18840.177697] cdc_ncm 3-1.2.4.1:1.5 usb0: network connection: connected Aug 26 12:55:59 X1Carbon NetworkManager[2308]: <info> (usb0): link connected Aug 26 12:56:24 X1Carbon kernel: [18865.774561] cdc_ncm 3-1.2.4.1:1.5 usb0: network connection: disconnected Aug 26 12:56:24 X1Carbon NetworkManager[2308]: <info> (usb0): link disconnected (deferring action for 4 seconds) Aug 26 12:56:28 X1Carbon kernel: [18869.394675] cdc_ncm 3-1.2.4.1:1.5 usb0: 1000 mbit/s downlink 1000 mbit/s uplink Aug 26 12:56:28 X1Carbon kernel: [18869.410754] cdc_ncm 3-1.2.4.1:1.5 usb0: network connection: connected Aug 26 12:56:28 X1Carbon NetworkManager[2308]: <info> (usb0): link connected Aug 26 12:56:36 X1Carbon kernel: [18877.291638] cdc_ncm 3-1.2.4.1:1.5 usb0: network connection: disconnected Aug 26 12:56:36 X1Carbon NetworkManager[2308]: <info> (usb0): link disconnected (deferring action for 4 seconds) Aug 26 12:56:39 X1Carbon kernel: [18880.415134] cdc_ncm 3-1.2.4.1:1.5 usb0: 1000 mbit/s downlink 1000 mbit/s uplink Aug 26 12:56:39 X1Carbon kernel: [18880.431214] cdc_ncm 3-1.2.4.1:1.5 usb0: network connection: connected Aug 26 12:56:39 X1Carbon NetworkManager[2308]: <info> (usb0): link connected Aug 26 12:56:49 X1Carbon kernel: [18890.135046] [D] evdi_detect (dev=2) Painter is connected Aug 26 12:56:49 X1Carbon kernel: [18890.135065] [D] evdi_painter_get_edid (dev=2) 00 ff ff Aug 26 12:56:49 X1Carbon kernel: [18890.137296] [D] evdi_detect (dev=1) Painter is connected Aug 26 12:56:49 X1Carbon kernel: [18890.137307] [D] evdi_painter_get_edid (dev=1) 00 ff ff Aug 26 12:57:40 X1Carbon kernel: [18940.962609] ------------[ cut here ]------------ Aug 26 12:57:40 X1Carbon kernel: [18940.962639] WARNING: CPU: 0 PID: 19077 at /build/linux-SKpZC9/linux-3.19.0/net/sched/sch_generic.c:303 dev_watchdog+0x240/0x250() Aug 26 12:57:40 X1Carbon kernel: [18940.962641] NETDEV WATCHDOG: usb0 (cdc_ncm): transmit queue 0 timed out Aug 26 12:57:40 X1Carbon kernel: [18940.962642] Modules linked in: evdi(OE) binfmt_misc bnep snd_usb_audio snd_usbmidi_lib hid_generic usbhid hid btusb bluetooth uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media joydev intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp arc4 kvm_intel snd_hda_codec_hdmi kvm snd_hda_codec_realtek snd_hda_codec_generic crct10dif_pclmul crc32_pclmul ghash_clmulni_intel iwldvm mac80211 aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd serio_raw cdc_mbim cdc_ncm usbnet mii cdc_wdm iwlwifi cdc_acm cfg80211 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep thinkpad_acpi i915 nvram lpc_ich snd_pcm shpchp mei_me mei snd_seq_midi snd_seq_midi_event drm_kms_helper snd_rawmidi drm snd_seq i2c_algo_bit snd_seq_device wmi snd_timer snd soundcore video soc_button_array intel_smartconnect mac_hid parport_pc ppdev lp parport autofs4 psmouse ahci sdhci_pci libahci sdhci Aug 26 12:57:40 X1Carbon kernel: [18940.962693] CPU: 0 PID: 19077 Comm: kidle_inject/0 Tainted: G OE 3.19.0-26-generic #28-Ubuntu Aug 26 12:57:40 X1Carbon kernel: [18940.962694] Hardware name: LENOVO 3448CTO/3448CTO, BIOS G6ETA9WW (2.69 ) 09/16/2014 Aug 26 12:57:40 X1Carbon kernel: [18940.962696] ffffffff81b41968 ffff88021e203d58 ffffffff817c45cf 0000000000000007 Aug 26 12:57:40 X1Carbon kernel: [18940.962697] ffff88021e203da8 ffff88021e203d98 ffffffff81076a6a ffff88021e214a78 Aug 26 12:57:40 X1Carbon kernel: [18940.962699] 0000000000000000 ffff8800c949b480 0000000000000000 ffff880213c3f000 Aug 26 12:57:40 X1Carbon kernel: [18940.962701] Call Trace: Aug 26 12:57:40 X1Carbon kernel: [18940.962702] <IRQ> [<ffffffff817c45cf>] dump_stack+0x45/0x57 Aug 26 12:57:40 X1Carbon kernel: [18940.962719] [<ffffffff81076a6a>] warn_slowpath_common+0x8a/0xc0 Aug 26 12:57:40 X1Carbon kernel: [18940.962720] [<ffffffff81076ae6>] warn_slowpath_fmt+0x46/0x50 Aug 26 12:57:40 X1Carbon kernel: [18940.962724] [<ffffffff816e3be0>] dev_watchdog+0x240/0x250 Aug 26 12:57:40 X1Carbon kernel: [18940.962726] [<ffffffff816e39a0>] ? dev_graft_qdisc+0x80/0x80 Aug 26 12:57:40 X1Carbon kernel: [18940.962729] [<ffffffff810dd759>] call_timer_fn+0x39/0x110 Aug 26 12:57:40 X1Carbon kernel: [18940.962731] [<ffffffff816e39a0>] ? dev_graft_qdisc+0x80/0x80 Aug 26 12:57:40 X1Carbon kernel: [18940.962733] [<ffffffff810df5c0>] run_timer_softirq+0x250/0x320 Aug 26 12:57:40 X1Carbon kernel: [18940.962735] [<ffffffff8107ae99>] __do_softirq+0x109/0x270 Aug 26 12:57:40 X1Carbon kernel: [18940.962737] [<ffffffff8107b165>] irq_exit+0x95/0xa0 Aug 26 12:57:40 X1Carbon kernel: [18940.962740] [<ffffffff817ce786>] smp_apic_timer_interrupt+0x46/0x60 Aug 26 12:57:40 X1Carbon kernel: [18940.962742] [<ffffffff817cc7bd>] apic_timer_interrupt+0x6d/0x80 Aug 26 12:57:40 X1Carbon kernel: [18940.962743] <EOI> [<ffffffff810dd94b>] ? lock_timer_base.isra.36+0x2b/0x50 Aug 26 12:57:40 X1Carbon kernel: [18940.962748] [<ffffffffc063f7d0>] ? clamp_thread+0x2f0/0x650 [intel_powerclamp] Aug 26 12:57:40 X1Carbon kernel: [18940.962761] [<ffffffffc063f78c>] ? clamp_thread+0x2ac/0x650 [intel_powerclamp] Aug 26 12:57:40 X1Carbon kernel: [18940.962763] [<ffffffffc063f0f0>] ? pkg_state_counter+0xf0/0xf0 [intel_powerclamp] Aug 26 12:57:40 X1Carbon kernel: [18940.962765] [<ffffffffc063f4e0>] ? poll_pkg_cstate+0xc0/0xc0 [intel_powerclamp] Aug 26 12:57:40 X1Carbon kernel: [18940.962768] [<ffffffff81095939>] kthread+0xc9/0xe0 Aug 26 12:57:40 X1Carbon kernel: [18940.962770] [<ffffffff81095870>] ? kthread_create_on_node+0x1c0/0x1c0 Aug 26 12:57:40 X1Carbon kernel: [18940.962771] [<ffffffff817cb658>] ret_from_fork+0x58/0x90 Aug 26 12:57:40 X1Carbon kernel: [18940.962773] [<ffffffff81095870>] ? kthread_create_on_node+0x1c0/0x1c0 Aug 26 12:57:40 X1Carbon kernel: [18940.962775] ---[ end trace 090ba8ba7f8e64a5 ]--- Aug 26 13:01:29 X1Carbon kernel: [19170.913744] [D] evdi_painter_dpms_notify (dev=1) Notifying dpms mode: 3 |
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