forgot an lsmod : lsmod Module Size Used by fuse 106496 3 drbg 32768 1 ansi_cprng 16384 0 ctr 16384 1 ccm 20480 1 nf_log_ipv6 16384 5 xt_pkttype 16384 4 nf_log_ipv4 16384 5 nf_log_common 16384 2 nf_log_ipv4,nf_log_ipv6 xt_LOG 16384 10 xt_limit 16384 10 af_packet 45056 8 uvcvideo 98304 0 videobuf2_vmalloc 16384 1 uvcvideo videobuf2_memops 16384 1 videobuf2_vmalloc videobuf2_v4l2 32768 1 uvcvideo videobuf2_core 36864 2 uvcvideo,videobuf2_v4l2 v4l2_common 16384 1 videobuf2_v4l2 videodev 188416 4 uvcvideo,v4l2_common,videobuf2_core,videobuf2_v4l2 msr 16384 0 iTCO_wdt 16384 0 iTCO_vendor_support 16384 1 iTCO_wdt acer_wmi 24576 0 sparse_keymap 16384 1 acer_wmi arc4 16384 2 snd_hda_codec_hdmi 57344 1 acerhdf 20480 0 snd_hda_codec_realtek 90112 1 snd_hda_codec_generic 81920 1 snd_hda_codec_realtek coretemp 16384 0 iwldvm 253952 0 snd_hda_intel 40960 2 snd_hda_codec 147456 4 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel snd_hda_core 73728 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel snd_hwdep 16384 1 snd_hda_codec snd_pcm 135168 4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_core joydev 20480 0 mac80211 786432 1 iwldvm pcspkr 16384 0 i2c_i801 24576 0 snd_timer 36864 1 snd_pcm iwlwifi 163840 1 iwldvm snd 90112 12 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel lpc_ich 24576 0 mfd_core 16384 1 lpc_ich ip6t_REJECT 16384 3 cfg80211 614400 3 iwlwifi,mac80211,iwldvm rfkill 28672 5 cfg80211,acer_wmi atl1c 53248 0 xt_tcpudp 16384 3 soundcore 16384 1 snd shpchp 36864 0 nf_conntrack_ipv6 20480 3 nf_defrag_ipv6 36864 1 nf_conntrack_ipv6 battery 16384 0 fjes 32768 0 wmi 16384 1 acer_wmi acpi_cpufreq 20480 0 tpm_tis 20480 0 ac 16384 0 tpm 49152 1 tpm_tis ip6table_raw 16384 1 ipt_REJECT 16384 3 iptable_raw 16384 1 xt_CT 16384 4 iptable_filter 16384 1 ip6table_mangle 16384 0 nf_conntrack_ipv4 16384 3 nf_defrag_ipv4 16384 1 nf_conntrack_ipv4 ip_tables 28672 2 iptable_filter,iptable_raw xt_conntrack 16384 6 nf_conntrack 122880 4 xt_CT,xt_conntrack,nf_conntrack_ipv4,nf_conntrack_ipv6 ip6table_filter 16384 1 ip6_tables 28672 3 ip6table_filter,ip6table_mangle,ip6table_raw x_tables 36864 15 xt_pkttype,ip6table_filter,xt_CT,ip6table_mangle,ip_tables,xt_tcpudp,xt_limit,xt_conntrack,xt_LOG,iptable_filter,ip6table_raw,ipt_REJECT,ip6_tables,iptable_raw,ip6t_REJECT btrfs 1064960 1 xor 24576 1 btrfs raid6_pq 106496 1 btrfs serio_raw 16384 0 i915 1310720 7 i2c_algo_bit 16384 1 i915 drm_kms_helper 147456 1 i915 syscopyarea 16384 1 drm_kms_helper sysfillrect 16384 1 drm_kms_helper sysimgblt 16384 1 drm_kms_helper fb_sys_fops 16384 1 drm_kms_helper video 40960 2 i915,acer_wmi drm 393216 9 i915,drm_kms_helper ehci_pci 16384 0 uhci_hcd 45056 0 ehci_hcd 81920 1 ehci_pci usbcore 262144 4 uhci_hcd,uvcvideo,ehci_hcd,ehci_pci usb_common 16384 1 usbcore button 16384 1 i915 sg 40960 0