This warning just popped up:
[ +0.000001] CPU1: Package temperature/speed normal
[Nov21 10:49] perf: interrupt took too long (2528 > 2500), lowering kernel.perf_event_max_sample_rate to 79000
[ +2.373788] ------------[ cut here ]------------
[ +0.000006] WARNING: CPU: 1 PID: 0 at /build/linux-hwe-zOpU13/linux-hwe-4.10.0/net/core/dev.c:5306 net_rx_action+0x274/0x390
[ +0.000000] Modules linked in: msr ccm arc4 rfcomm bnep nls_iso8859_1 snd_hda_codec_hdmi dell_led dell_laptop dell_wmi dell_smbios i2c_designware_platform i2c_designware_core dcdbas snd_hda_codec_realtek snd_hda_codec_generic snd_soc_skl intel_rapl snd_soc_skl_ipc snd_soc_sst_ipc x86_pkg_temp_thermal snd_soc_sst_dsp intel_powerclamp snd_hda_ext_core coretemp snd_soc_sst_match snd_soc_core kvm_intel snd_compress ac97_bus snd_pcm_dmaengine kvm snd_hda_intel irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec pcbc snd_hda_core snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi ath10k_pci snd_seq ath10k_core snd_seq_device snd_timer ath aesni_intel snd mac80211 aes_x86_64 crypto_simd glue_helper cryptd uvcvideo videobuf2_vmalloc cfg80211 videobuf2_memops rtsx_pci_ms videobuf2_v4l2
[ +0.000034] videobuf2_core memstick serio_raw videodev media joydev input_leds hid_multitouch soundcore idma64 btusb virt_dma btrtl mei_me mei shpchp processor_thermal_device intel_pch_thermal intel_lpss_pci intel_soc_dts_iosf hci_uart btbcm ucsi btqca btintel bluetooth intel_vbtn soc_button_array intel_lpss_acpi intel_lpss int3403_thermal tpm_crb intel_hid int3400_thermal acpi_als int340x_thermal_zone mac_hid acpi_thermal_rel sparse_keymap acpi_pad kfifo_buf industrialio parport_pc ppdev lp parport autofs4 hid_apple hid_generic usbhid i915 rtsx_pci_sdmmc i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt psmouse fb_sys_fops nvme nvme_core drm rtsx_pci i2c_hid wmi hid pinctrl_sunrisepoint video pinctrl_intel fjes
[ +0.000030] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.10.0-40-generic #44~16.04.1-Ubuntu
[ +0.000001] Hardware name: Dell Inc. XPS 13 9360/02PG84, BIOS 2.2.1 08/18/2017
[ +0.000000] Call Trace:
[ +0.000002] <IRQ>
[ +0.000003] dump_stack+0x63/0x90
[ +0.000002] __warn+0xcb/0xf0
[ +0.000001] warn_slowpath_null+0x1d/0x20
[ +0.000002] net_rx_action+0x274/0x390
[ +0.000002] __do_softirq+0xed/0x297
[ +0.000001] irq_exit+0xb6/0xc0
[ +0.000001] do_IRQ+0x4f/0xd0
[ +0.000002] common_interrupt+0x89/0x89
[ +0.000003] RIP: 0010:cpuidle_enter_state+0x12b/0x2d0
[ +0.000001] RSP: 0018:ffffb1e581937e68 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff4b
[ +0.000001] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000000001f
[ +0.000001] RDX: 0000000000000000 RSI: ffff9675fe456a98 RDI: 0000000000000000
[ +0.000000] RBP: ffffb1e581937ea0 R08: 0000000000000001 R09: 0000000000000018
[ +0.000001] R10: 00000000ffffffff R11: 000000000000007c R12: 0000000000000003
[ +0.000000] R13: ffff9675fe461100 R14: ffffffff860e7398 R15: 0000040891095a4d
[ +0.000001] </IRQ>
[ +0.000002] ? cpuidle_enter_state+0x119/0x2d0
[ +0.000002] cpuidle_enter+0x17/0x20
[ +0.000002] call_cpuidle+0x23/0x40
[ +0.000001] do_idle+0x17f/0x1f0
[ +0.000002] cpu_startup_entry+0x71/0x80
[ +0.000003] start_secondary+0x154/0x190
[ +0.000001] start_cpu+0x14/0x14
[ +0.000001] ---[ end trace 87a53bab784e71f2 ]---
[Nov21 10:57] show_signal_msg: 13 callbacks suppressed
[ +0.000008] dleyna-renderer[17700]: segfault at 7feaa8cf1150 ip 00007feaa7b6f45b sp 00007ffe0280e790 error 4 in libc-2.23.so[7feaa7af1000+1c0000]
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.10.0-40-generic 4.10.0-40.44~16.04.1
ProcVersionSignature: Ubuntu 4.10.0-40.44~16.04.1-generic 4.10.17
Uname: Linux 4.10.0-40-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.13
Architecture: amd64
CurrentDesktop: GNOME
Date: Tue Nov 21 11:00:07 2017
EcryptfsInUse: Yes
InstallationDate: Installed on 2017-10-18 (33 days ago)
InstallationMedia: Ubuntu-GNOME 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
SourcePackage: linux-hwe
UpgradeStatus: No upgrade log present (probably fresh install)
Hello,
do you still have this issue with the latest 4.15 HWE kernel on Xenial?
Thanks.