I have the same problem. Suspend works fine with any kernel version4.14.x, does not work with any version from 4.15.x. I have blacklisted the mei modules, it did not solve the problem. Following are my lsmod.
debashishc@DebashishC-ublp:~$ lsmod Module Size Used by btrfs 1343488 0 zstd_compress 188416 1 btrfs xor 24576 1 btrfs raid6_pq 122880 1 btrfs ufs 86016 0 qnx4 16384 0 hfsplus 122880 0 hfs 69632 0 minix 40960 0 ntfs 110592 0 msdos 20480 0 jfs 217088 0 xfs 1441792 0 libcrc32c 16384 1 xfs cpuid 16384 0 rfcomm 86016 16 ccm 20480 6 cmac 16384 1 bnep 24576 2 arc4 16384 2 uvcvideo 102400 0 videobuf2_vmalloc 16384 1 uvcvideo videobuf2_memops 16384 1 videobuf2_vmalloc videobuf2_v4l2 28672 1 uvcvideo videobuf2_core 45056 2 videobuf2_v4l2,uvcvideo btusb 53248 0 btrtl 16384 1 btusb btbcm 16384 1 btusb videodev 208896 3 videobuf2_core,videobuf2_v4l2,uvcvideo btintel 16384 1 btusb media 45056 2 videodev,uvcvideo bluetooth 626688 52 btrtl,btintel,btbcm,bnep,btusb,rfcomm ecdh_generic 24576 1 bluetooth joydev 24576 0 hid_multitouch 24576 0 snd_hda_codec_hdmi 61440 1 snd_hda_codec_realtek 110592 1 snd_hda_codec_generic 86016 1 snd_hda_codec_realtek snd_soc_skl 98304 0 snd_soc_skl_ipc 73728 1 snd_soc_skl snd_soc_sst_ipc 16384 1 snd_soc_skl_ipc snd_soc_sst_dsp 36864 1 snd_soc_skl_ipc snd_hda_ext_core 28672 1 snd_soc_skl snd_soc_sst_match 16384 1 snd_soc_skl snd_soc_core 266240 1 snd_soc_skl snd_compress 24576 1 snd_soc_core ac97_bus 16384 1 snd_soc_core snd_pcm_dmaengine 16384 1 snd_soc_core ath10k_pci 53248 0 ath10k_core 417792 1 ath10k_pci ath 32768 1 ath10k_core mac80211 925696 1 ath10k_core cfg80211 733184 3 ath,mac80211,ath10k_core rtsx_pci_ms 20480 0 memstick 16384 1 rtsx_pci_ms wmi_bmof 16384 0 dell_wmi 16384 0 dell_rbtn 16384 0 dell_laptop 24576 1 dell_smbios 16384 2 dell_wmi,dell_laptop dcdbas 16384 1 dell_smbios dell_smm_hwmon 16384 0 binfmt_misc 20480 1 nls_iso8859_1 16384 1 intel_rapl 24576 0 x86_pkg_temp_thermal 16384 0 intel_powerclamp 16384 0 snd_hda_intel 45056 8 coretemp 16384 0 snd_hda_codec 151552 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek kvm_intel 241664 0 snd_hda_core 90112 7 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_hda_codec_realtek,snd_soc_skl snd_hwdep 16384 1 snd_hda_codec kvm 704512 1 kvm_intel snd_pcm 118784 9 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_soc_core,snd_soc_skl,snd_hda_core,snd_pcm_dmaengine irqbypass 16384 1 kvm crct10dif_pclmul 16384 0 crc32_pclmul 16384 0 ghash_clmulni_intel 16384 0 pcbc 16384 0 aesni_intel 188416 6 snd_seq_midi 16384 0 snd_seq_midi_event 16384 1 snd_seq_midi aes_x86_64 20480 1 aesni_intel crypto_simd 16384 1 aesni_intel snd_rawmidi 40960 1 snd_seq_midi glue_helper 16384 1 aesni_intel cryptd 28672 3 crypto_simd,ghash_clmulni_intel,aesni_intel intel_cstate 20480 0 intel_rapl_perf 16384 0 snd_seq 81920 2 snd_seq_midi,snd_seq_midi_event input_leds 16384 0 snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi snd_timer 36864 2 snd_seq,snd_pcm serio_raw 16384 0 i915 1912832 63 snd 94208 28 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_compress,snd_soc_core,snd_pcm,snd_rawmidi soundcore 16384 1 snd drm_kms_helper 204800 1 i915 idma64 20480 0 virt_dma 16384 1 idma64 drm 438272 24 drm_kms_helper,i915 shpchp 40960 0 i2c_algo_bit 16384 1 i915 fb_sys_fops 16384 1 drm_kms_helper syscopyarea 16384 1 drm_kms_helper processor_thermal_device 16384 0 sysfillrect 16384 1 drm_kms_helper intel_lpss_pci 20480 0 sysimgblt 16384 1 drm_kms_helper intel_soc_dts_iosf 16384 1 processor_thermal_device intel_pch_thermal 16384 0 wmi 28672 2 dell_wmi,wmi_bmof intel_hid 16384 0 intel_lpss_acpi 16384 0 int3403_thermal 16384 0 int3400_thermal 16384 0 sparse_keymap 16384 2 intel_hid,dell_wmi intel_lpss 16384 2 intel_lpss_pci,intel_lpss_acpi acpi_thermal_rel 16384 1 int3400_thermal int340x_thermal_zone 16384 2 int3403_thermal,processor_thermal_device video 45056 3 dell_wmi,dell_laptop,i915 acpi_pad 180224 0 mac_hid 16384 0 sch_fq_codel 20480 6 parport_pc 36864 0 ppdev 20480 0 lp 20480 0 parport 57344 3 parport_pc,lp,ppdev ip_tables 28672 0 x_tables 45056 1 ip_tables autofs4 49152 2 hid_logitech_hidpp 36864 0 hid_logitech_dj 24576 0 usbhid 57344 0 rtsx_pci_sdmmc 28672 0 e1000e 282624 0 ptp 20480 1 e1000e pps_core 20480 1 ptp ahci 40960 2 rtsx_pci 65536 2 rtsx_pci_sdmmc,rtsx_pci_ms libahci 40960 1 ahci i2c_hid 24576 0 hid 131072 6 i2c_hid,usbhid,hid_multitouch,hid_logitech_dj,hid_logitech_hidpp -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1801743 Title: Suspend fails in Kubuntu 18.04 but works fine in Kubuntu 17.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1801743/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
