!!################################ !!ALSA Information Script v 0.4.59 !!################################ !!Script ran on: Tue Dec 28 16:59:55 UTC 2010 !!Linux Distribution !!------------------ Ubuntu 10.10 \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 10.10" !!DMI Information !!--------------- Manufacturer: Hewlett-Packard Product Name: HP Compaq dc5750 Small Form Factor !!Kernel Information !!------------------ Kernel release: 2.6.35-24-generic Operating System: GNU/Linux Architecture: i686 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: 1.0.23 Library version: 1.0.23 Utilities version: 1.0.23 !!Loaded ALSA modules !!------------------- snd_hda_intel !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes ESound Daemon: Installed - Yes (/usr/bin/esd) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [NVidia ]: HDA-Intel - HDA NVidia HDA NVidia at 0xd4200000 irq 18 !!PCI Soundcards installed in the system !!-------------------------------------- 02:00.1 Audio device: nVidia Corporation High Definition Audio Controller (rev a1) !!Advanced information - PCI Vendor/Device/Susbsystem ID's !!-------------------------------------------------------- 02:00.1 0403: 10de:0be2 (rev a1) Subsystem: 1043:830f !!Modprobe options (Sound related) !!-------------------------------- snd-atiixp-modem: index=-2 snd-intel8x0m: index=-2 snd-via82xx-modem: index=-2 snd-usb-audio: index=-2 snd-usb-caiaq: index=-2 snd-usb-ua101: index=-2 snd-usb-us122l: index=-2 snd-usb-usx2y: index=-2 snd-cmipci: mpu_port=0x330 fm_port=0x388 snd-pcsp: index=-2 snd-usb-audio: index=-2 !!Loaded sound module options !!-------------------------- !!Module: snd_hda_intel bdl_pos_adj : 32,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 beep_mode : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y enable_msi : -1 id : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) index : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 model : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) patch : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) position_fix : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 power_save : 0 power_save_controller : Y probe_mask : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 probe_only : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 single_cmd : N !!HDA-Intel Codec information !!--------------------------- --startcollapse-- Codec: Nvidia GPU 0a HDMI/DP Address: 0 Function Id: 0x1 Vendor Id: 0x10de000a Subsystem Id: 0x10de0101 Revision Id: 0x100100 No Modem Function Group found Default PCM: rates [0x0]: bits [0x0]: formats [0x0]: Default Amp-In caps: N/A Default Amp-Out caps: N/A GPIO: io=0, o=0, i=0, unsolicited=0, wake=0 Node 0x04 [Audio Output] wcaps 0x72b1: 8-Channels Digital Stripe CP Control: name="IEC958 Playback Con Mask", index=0, device=0 Control: name="IEC958 Playback Pro Mask", index=0, device=0 Control: name="IEC958 Playback Default", index=0, device=0 Control: name="IEC958 Playback Switch", index=0, device=0 Device: name="NVIDIA HDMI", type="HDMI", device=3 Converter: stream=6, channel=0 Digital: Enabled GenLevel Digital category: 0x2 PCM: rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000 bits [0xe]: 16 20 24 formats [0x5]: PCM AC3 Unsolicited: tag=00, enabled=0 Node 0x05 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP Pincap 0x09000094: OUT Detect HBR HDMI DP Pin Default 0x18560010: [Jack] Digital Out at Int HDMI Conn = Digital, Color = Unknown DefAssociation = 0x1, Sequence = 0x0 Pin-ctls: 0x40: OUT Unsolicited: tag=05, enabled=1 Connection: 1 0x04 Codec: Nvidia GPU 0a HDMI/DP Address: 1 Function Id: 0x1 Vendor Id: 0x10de000a Subsystem Id: 0x10de0101 Revision Id: 0x100100 No Modem Function Group found Default PCM: rates [0x0]: bits [0x0]: formats [0x0]: Default Amp-In caps: N/A Default Amp-Out caps: N/A GPIO: io=0, o=0, i=0, unsolicited=0, wake=0 Node 0x04 [Audio Output] wcaps 0x72b1: 8-Channels Digital Stripe CP Control: name="IEC958 Playback Con Mask", index=1, device=0 Control: name="IEC958 Playback Pro Mask", index=1, device=0 Control: name="IEC958 Playback Default", index=1, device=0 Control: name="IEC958 Playback Switch", index=1, device=0 Device: name="NVIDIA HDMI", type="HDMI", device=7 Converter: stream=0, channel=0 Digital: Digital category: 0x0 PCM: rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000 bits [0xe]: 16 20 24 formats [0x5]: PCM AC3 Unsolicited: tag=00, enabled=0 Node 0x05 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP Pincap 0x09000094: OUT Detect HBR HDMI DP Pin Default 0x18560010: [Jack] Digital Out at Int HDMI Conn = Digital, Color = Unknown DefAssociation = 0x1, Sequence = 0x0 Pin-ctls: 0x40: OUT Unsolicited: tag=05, enabled=1 Connection: 1 0x04 Codec: Nvidia GPU 0a HDMI/DP Address: 2 Function Id: 0x1 Vendor Id: 0x10de000a Subsystem Id: 0x10de0101 Revision Id: 0x100100 No Modem Function Group found Default PCM: rates [0x0]: bits [0x0]: formats [0x0]: Default Amp-In caps: N/A Default Amp-Out caps: N/A GPIO: io=0, o=0, i=0, unsolicited=0, wake=0 Node 0x04 [Audio Output] wcaps 0x72b1: 8-Channels Digital Stripe CP Control: name="IEC958 Playback Con Mask", index=2, device=0 Control: name="IEC958 Playback Pro Mask", index=2, device=0 Control: name="IEC958 Playback Default", index=2, device=0 Control: name="IEC958 Playback Switch", index=2, device=0 Device: name="NVIDIA HDMI", type="HDMI", device=8 Converter: stream=0, channel=0 Digital: Digital category: 0x0 PCM: rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000 bits [0xe]: 16 20 24 formats [0x5]: PCM AC3 Unsolicited: tag=00, enabled=0 Node 0x05 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP Pincap 0x09000094: OUT Detect HBR HDMI DP Pin Default 0x18560010: [Jack] Digital Out at Int HDMI Conn = Digital, Color = Unknown DefAssociation = 0x1, Sequence = 0x0 Pin-ctls: 0x40: OUT Unsolicited: tag=05, enabled=1 Connection: 1 0x04 Codec: Nvidia GPU 0a HDMI/DP Address: 3 Function Id: 0x1 Vendor Id: 0x10de000a Subsystem Id: 0x10de0101 Revision Id: 0x100100 No Modem Function Group found Default PCM: rates [0x0]: bits [0x0]: formats [0x0]: Default Amp-In caps: N/A Default Amp-Out caps: N/A GPIO: io=0, o=0, i=0, unsolicited=0, wake=0 Node 0x04 [Audio Output] wcaps 0x72b1: 8-Channels Digital Stripe CP Control: name="IEC958 Playback Con Mask", index=3, device=0 Control: name="IEC958 Playback Pro Mask", index=3, device=0 Control: name="IEC958 Playback Default", index=3, device=0 Control: name="IEC958 Playback Switch", index=3, device=0 Device: name="NVIDIA HDMI", type="HDMI", device=9 Converter: stream=0, channel=0 Digital: Digital category: 0x0 PCM: rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000 bits [0xe]: 16 20 24 formats [0x5]: PCM AC3 Unsolicited: tag=00, enabled=0 Node 0x05 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP Pincap 0x09000094: OUT Detect HBR HDMI DP Pin Default 0x18560010: [Jack] Digital Out at Int HDMI Conn = Digital, Color = Unknown DefAssociation = 0x1, Sequence = 0x0 Pin-ctls: 0x40: OUT Unsolicited: tag=05, enabled=1 Connection: 1 0x04 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 12 Dec 28 11:38 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 11 Dec 28 11:38 /dev/snd/hwC0D0 crw-rw---- 1 root audio 116, 10 Dec 28 11:38 /dev/snd/hwC0D1 crw-rw---- 1 root audio 116, 9 Dec 28 11:38 /dev/snd/hwC0D2 crw-rw---- 1 root audio 116, 8 Dec 28 11:38 /dev/snd/hwC0D3 crw-rw---- 1 root audio 116, 7 Dec 28 11:53 /dev/snd/pcmC0D3p crw-rw---- 1 root audio 116, 6 Dec 28 11:38 /dev/snd/pcmC0D7p crw-rw---- 1 root audio 116, 5 Dec 28 11:38 /dev/snd/pcmC0D8p crw-rw---- 1 root audio 116, 4 Dec 28 11:38 /dev/snd/pcmC0D9p crw-rw---- 1 root audio 116, 3 Dec 28 11:38 /dev/snd/seq crw-rw---- 1 root audio 116, 2 Dec 28 11:38 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Dec 28 11:38 . drwxr-xr-x 3 root root 280 Dec 28 11:38 .. lrwxrwxrwx 1 root root 12 Dec 28 11:38 pci-0000:02:00.1 -> ../controlC0 !!Aplay/Arecord output !!------------ APLAY **** List of PLAYBACK Hardware Devices **** card 0: NVidia [HDA NVidia], device 3: NVIDIA HDMI [NVIDIA HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: NVidia [HDA NVidia], device 7: NVIDIA HDMI [NVIDIA HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: NVidia [HDA NVidia], device 8: NVIDIA HDMI [NVIDIA HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: NVidia [HDA NVidia], device 9: NVIDIA HDMI [NVIDIA HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card 0 [NVidia] Card hw:0 'NVidia'/'HDA NVidia at 0xd4200000 irq 18' Mixer name : 'Nvidia GPU 0a HDMI/DP' Components : 'HDA:10de000a,10de0101,00100100' Controls : 16 Simple ctrls : 4 Simple mixer control 'IEC958',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [on] Simple mixer control 'IEC958',1 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [off] Simple mixer control 'IEC958',2 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [off] Simple mixer control 'IEC958',3 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [off] !!Alsactl output !!------------- --startcollapse-- state.NVidia { control.1 { comment.access read comment.type IEC958 comment.count 1 iface MIXER name 'IEC958 Playback Con Mask' value '0fff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' } control.2 { comment.access read comment.type IEC958 comment.count 1 iface MIXER name 'IEC958 Playback Pro Mask' value '0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' } control.3 { comment.access 'read write' comment.type IEC958 comment.count 1 iface MIXER name 'IEC958 Playback Default' value '0482000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' } control.4 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'IEC958 Playback Switch' value true } control.5 { comment.access read comment.type IEC958 comment.count 1 iface MIXER name 'IEC958 Playback Con Mask' index 1 value '0fff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' } control.6 { comment.access read comment.type IEC958 comment.count 1 iface MIXER name 'IEC958 Playback Pro Mask' index 1 value '0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' } control.7 { comment.access 'read write' comment.type IEC958 comment.count 1 iface MIXER name 'IEC958 Playback Default' index 1 value '0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' } control.8 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'IEC958 Playback Switch' index 1 value false } control.9 { comment.access read comment.type IEC958 comment.count 1 iface MIXER name 'IEC958 Playback Con Mask' index 2 value '0fff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' } control.10 { comment.access read comment.type IEC958 comment.count 1 iface MIXER name 'IEC958 Playback Pro Mask' index 2 value '0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' } control.11 { comment.access 'read write' comment.type IEC958 comment.count 1 iface MIXER name 'IEC958 Playback Default' index 2 value '0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' } control.12 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'IEC958 Playback Switch' index 2 value false } control.13 { comment.access read comment.type IEC958 comment.count 1 iface MIXER name 'IEC958 Playback Con Mask' index 3 value '0fff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' } control.14 { comment.access read comment.type IEC958 comment.count 1 iface MIXER name 'IEC958 Playback Pro Mask' index 3 value '0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' } control.15 { comment.access 'read write' comment.type IEC958 comment.count 1 iface MIXER name 'IEC958 Playback Default' index 3 value '0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' } control.16 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'IEC958 Playback Switch' index 3 value false } } --endcollapse-- !!All Loaded Modules !!------------------ Module binfmt_misc nvidia snd_hda_codec_nvhdmi snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq ppdev snd_timer snd_seq_device parport_pc hp_wmi psmouse snd joydev ati_agp i2c_piix4 soundcore snd_page_alloc serio_raw lp k8temp agpgart parport usbhid hid ahci floppy tg3 libahci pata_atiixp !!Sysfs Files !!----------- /sys/class/sound/hwC0D0/init_pin_configs: 0x05 0x18560010 /sys/class/sound/hwC0D0/driver_pin_configs: /sys/class/sound/hwC0D0/user_pin_configs: /sys/class/sound/hwC0D0/init_verbs: /sys/class/sound/hwC0D1/init_pin_configs: 0x05 0x18560010 /sys/class/sound/hwC0D1/driver_pin_configs: /sys/class/sound/hwC0D1/user_pin_configs: /sys/class/sound/hwC0D1/init_verbs: /sys/class/sound/hwC0D2/init_pin_configs: 0x05 0x18560010 /sys/class/sound/hwC0D2/driver_pin_configs: /sys/class/sound/hwC0D2/user_pin_configs: /sys/class/sound/hwC0D2/init_verbs: /sys/class/sound/hwC0D3/init_pin_configs: 0x05 0x18560010 /sys/class/sound/hwC0D3/driver_pin_configs: /sys/class/sound/hwC0D3/user_pin_configs: /sys/class/sound/hwC0D3/init_verbs: !!ALSA/HDA dmesg !!------------------ [ 13.174537] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro [ 13.191808] HDA Intel 0000:02:00.1: PCI INT A -> GSI 18 (level, low) -> IRQ 18 [ 13.191814] hda_intel: Disable MSI for Nvidia chipset [ 13.191850] HDA Intel 0000:02:00.1: setting latency timer to 64 [ 13.328843] nvidia: module license 'NVIDIA' taints kernel. -- [ 17.703438] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 20.324510] HDMI hot plug event: Pin=5 Presence_Detect=1 ELD_Valid=0 [ 20.348667] HDMI hot plug event: Pin=5 Presence_Detect=1 ELD_Valid=1 [ 21.133018] HDMI: detected monitor SONY TV [ 21.133020] at connection type HDMI [ 21.133024] HDMI: available speakers: FL/FR [ 21.133029] ------------[ cut here ]------------ -- [ 21.133040] Hardware name: HP Compaq dc5750 Small Form Factor [ 21.133042] Modules linked in: binfmt_misc nvidia(P) snd_hda_codec_nvhdmi snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq ppdev snd_timer snd_seq_device parport_pc hp_wmi psmouse snd joydev ati_agp i2c_piix4 soundcore snd_page_alloc serio_raw lp k8temp agpgart parport usbhid hid ahci floppy tg3 libahci pata_atiixp [ 21.133073] Pid: 721, comm: hd-audio0 Tainted: P 2.6.35-24-generic #42-Ubuntu -- [ 21.133105] [] snprintf 0x1a/0x20 [ 21.133115] [] snd_print_pcm_bits 0x5d/0x80 [snd_hda_codec] [ 21.133124] [] hdmi_show_short_audio_desc 0xf7/0x100 [snd_hda_codec] [ 21.133128] [] ? snprintf 0x1a/0x20 [ 21.133136] [] snd_hdmi_show_eld 0x5f/0xa0 [snd_hda_codec] [ 21.133145] [] ? snd_hdmi_get_eld 0xd0/0x100 [snd_hda_codec] [ 21.133152] [] ? snd_hdmi_get_eld 0xd0/0x100 [snd_hda_codec] [ 21.133157] [] hdmi_present_sense 0x5e/0x70 [snd_hda_codec_nvhdmi] [ 21.133162] [] hdmi_intrinsic_event 0xed/0x100 [snd_hda_codec_nvhdmi] [ 21.133166] [] hdmi_unsol_event 0x46/0x80 [snd_hda_codec_nvhdmi] [ 21.133170] [] ? finish_task_switch 0x3d/0xc0 [ 21.133177] [] process_unsol_events 0x56/0x70 [snd_hda_codec] [ 21.133183] [] run_workqueue 0x8e/0x150 [ 21.133189] [] ? process_unsol_events 0x0/0x70 [snd_hda_codec] [ 21.133194] [] worker_thread 0x84/0xe0 -- [ 21.133217] ---[ end trace 0380dc90ee6dbde7 ]--- [ 21.133220] HDMI: supports coding type LPCM: channels = 2, rates = 44100 48000 88200, bits = 16 [ 21.920036] HDMI: detected monitor SONY TV [ 21.920040] at connection type HDMI [ 21.920044] HDMI: available speakers: FL/FR [ 21.920049] HDMI: supports coding type LPCM: channels = 2, rates = 44100 48000 88200, bits = 16 [ 23.033416] hda-intel: IRQ timing workaround is activated for card #0. Suggest a bigger bdl_pos_adj. [ 24.644038] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,commit=0