!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Fri Apr 26 13:25:35 UTC 2024 !!Linux Distribution !!------------------ Ubuntu 18.04.6 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 18.04.6 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 18.04.6 LTS" HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" UBUNTU_CODENAME=bionic !!DMI Information !!--------------- Manufacturer: QEMU Product Name: Standard PC (Q35 ICH9, 2009) Product Version: pc-q35-8.1 Firmware Version: rel-1.16.2-0-gea1b7a073390-prebuilt.qemu.org System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- /sys/bus/acpi/devices/LNXCPU:00/status 15 /sys/bus/acpi/devices/LNXCPU:01/status 15 /sys/bus/acpi/devices/LNXCPU:02/status 15 /sys/bus/acpi/devices/LNXCPU:03/status 15 /sys/bus/acpi/devices/PNP0103:00/status 15 /sys/bus/acpi/devices/PNP0303:00/status 15 /sys/bus/acpi/devices/PNP0A06:01/status 11 /sys/bus/acpi/devices/PNP0A06:02/status 11 /sys/bus/acpi/devices/PNP0C0F:00/status 9 /sys/bus/acpi/devices/PNP0C0F:01/status 9 /sys/bus/acpi/devices/PNP0C0F:02/status 9 /sys/bus/acpi/devices/PNP0C0F:03/status 9 /sys/bus/acpi/devices/PNP0C0F:04/status 9 /sys/bus/acpi/devices/PNP0C0F:05/status 9 /sys/bus/acpi/devices/PNP0C0F:06/status 9 /sys/bus/acpi/devices/PNP0C0F:07/status 9 /sys/bus/acpi/devices/PNP0F13:00/status 15 /sys/bus/acpi/devices/QEMU0002:00/status 11 /sys/bus/acpi/devices/QEMUVGID:00/status 15 !!ACPI SoundWire Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 Operating System: GNU/Linux Architecture: x86_64 Processor: x86_64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.15.0-213-generic Library version: 1.1.3 Utilities version: 1.1.3 !!Loaded ALSA modules !!------------------- MergingRavennaALSA (card 0) snd_hda_intel (card 1) !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [RAVENNA ]: snd_merging_rav - Merging RAVENNA Merging RAVENNA 1 [Intel ]: HDA-Intel - HDA Intel HDA Intel at 0xfea10000 irq 43 !!PCI Soundcards installed in the system !!-------------------------------------- 00:1b.0 Audio device [0403]: Intel Corporation 82801I (ICH9 Family) HD Audio Controller [8086:293e] (rev 03) Subsystem: Red Hat, Inc. QEMU Virtual Machine [1af4:1100] !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_usb_audio: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 !!Loaded sound module options !!--------------------------- !!Module: MergingRavennaALSA enable : Y id : (null) index : -1 pcm_devs : 1 !!Module: snd_hda_intel align_buffer_size : -1 bdl_pos_adj : -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 beep_mode : N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N 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 jackpoll_ms : 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 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) pm_blacklist : Y position_fix : -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 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 : -1 snoop : -1 !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/snd_merging_rav Tree: !!Card: /sys/class/sound/card1 Driver: /sys/bus/pci/drivers/snd_hda_intel Tree: !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 2 Apr 26 13:19 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 5 Apr 26 13:19 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 4 Apr 26 13:19 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 3 Apr 26 13:23 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Apr 26 13:19 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Apr 26 13:19 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Apr 26 13:19 . drwxr-xr-x 3 root root 180 Apr 26 13:19 .. lrwxrwxrwx 1 root root 12 Apr 26 13:19 pci-0000:00:1b.0 -> ../controlC1 lrwxrwxrwx 1 root root 12 Apr 26 13:19 platform-snd_merging_rav.0 -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: RAVENNA [Merging RAVENNA], device 0: Merging RAVENNA [Merging RAVENNA] Subdevices: 0/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: RAVENNA [Merging RAVENNA], device 0: Merging RAVENNA [Merging RAVENNA] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card RAVENNA Card hw:0 'RAVENNA'/'Merging RAVENNA' Mixer name : '' Components : '' Controls : 3 Simple ctrls : 1 Simple mixer control 'Master',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -99 - 0 Mono: Playback -20 [80%] [-20.00dB] [on] !!-------Mixer controls for card Intel Card hw:1 'Intel'/'HDA Intel at 0xfea10000 irq 43' Mixer name : '' Components : '' Controls : 0 Simple ctrls : 0 !!Alsactl output !!-------------- --startcollapse-- state.RAVENNA { control.1 { iface PCM name 'Playback Channel Map' value.0 3 value.1 4 value.2 0 value.3 0 value.4 0 value.5 0 value.6 0 value.7 0 comment { access read type INTEGER count 8 range '0 - 36' } } control.2 { iface MIXER name 'Master Playback Volume' value -20 comment { access 'read write' type INTEGER count 1 range '-99 - 0' dbmin -9900 dbmax 0 dbvalue.0 -2000 } } control.3 { iface MIXER name 'Master Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } state.Intel { control { } } --endcollapse-- !!All Loaded Modules !!------------------ MergingRavennaALSA aes_x86_64 aesni_intel ahci async_memcpy async_pq async_raid6_recov async_tx async_xor autofs4 binfmt_misc bochs_drm btrfs cryptd crypto_simd drm drm_kms_helper e1000e fb_sys_fops glue_helper hid hid_generic ib_cm ib_core ib_iser input_leds ip_tables iscsi_tcp iw_cm joydev libahci libcrc32c libiscsi libiscsi_tcp linear lpc_ich mac_hid multipath pcbc pps_core psmouse ptp qemu_fw_cfg raid0 raid1 raid10 raid456 raid6_pq rdma_cm sch_fq_codel scsi_transport_iscsi serio_raw shpchp snd snd_hda_codec snd_hda_core snd_hda_intel snd_hwdep snd_pcm snd_timer soundcore syscopyarea sysfillrect sysimgblt ttm usbhid virtio_blk virtio_net x_tables xor zstd_compress !!ALSA/HDA dmesg !!-------------- [ 0.160958] ACPI: Added _OSI(Linux-Dell-Video) [ 0.160958] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.160958] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) -- [ 4.244106] EXT4-fs (dm-0): re-mounted. Opts: (null) [ 4.272544] MergingRavennaALSA: loading out-of-tree module taints kernel. [ 4.273603] MergingRavennaALSA: module verification failed: signature and/or required key missing - tainting kernel [ 4.274914] EtherTubeNetfilter net filter hook ( (ptrval), (ptrval)) -- [ 4.277841] CManager::SetNumberOfOutputs(64) [ 4.288105] Caudio_streamer_clock_PTP::SetPTPMasterPortNumber 1 [ 4.288841] ResetPTPMaster [ 4.289580] CRTP_streams_manager::Init [ 4.291628] mr_alsa_audio_pcm_open: get_master_switch_value error [ 4.292345] Register ALSA driver into Ravenna Peer... [ 4.298824] snd_merging_rav snd_merging_rav.0: mr_alsa_audio snd_card_register successful [ 4.299599] init_driver: succeeded [ 4.300301] Base period set to 1333333 ns [ 4.301037] Merging RAVENNA ALSA module installed [ 4.313486] systemd-journald[482]: Received request to flush runtime journal from PID 1 -- [ 5.911006] shpchp: Standard Hot Plug PCI Controller Driver version: 0.4 [ 6.108953] snd_hda_intel 0000:00:1b.0: no codecs found! [ 6.758647] EXT4-fs (vda2): mounted filesystem with ordered data mode. Opts: (null) -- [ 15.656144] new mount options do not match the existing superblock, will be ignored [ 159.564767] Hello Mr RAV ALSA Daemon [ 159.568851] CManager::OnNewMessage MT_ALSA_Msg_Start.. [ 159.568854] ResetPTPLock() -- [ 159.568893] CManager::start() [ 159.568894] CManager::OnNewMessage MT_ALSA_Msg_Start.. succeeded [ 159.568901] CManager::OnNewMessage MT_ALSA_Msg_Reset.. [ 159.596208] PTPConfig: domain = 0, DSCP = 46 -- [ 159.615698] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 159.615705] added source at 0000000095023df9 -- [ 161.133260] CManager::start() [ 161.133297] CManager::OnNewMessage MT_ALSA_Msg_Stop [ 161.133297] entering CManager::stop.. -- [ 161.133298] leaving CManager::stop.. [ 161.133299] CManager::OnNewMessage MT_ALSA_Msg_Stop.. succeeded [ 161.133304] CManager::UpdateFrameSize() new TIC Frame Size = 192 [ 161.170288] MT_ALSA_Msg_SetPlayoutDelay set to 0 [ 161.170891] remove_RTP_stream stream_handle = 18446744072641351216 -- [ 161.171903] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 161.172649] added sink at 000000000646d7a0 -- [ 161.173630] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 161.173631] added source at 0000000095023df9 -- [ 161.175451] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 161.175482] added sink at 000000000646d7a0 -- [ 161.176832] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 161.176833] added source at 0000000095023df9 [ 161.176833] self->m_RTP_streams_manager stream_handle = 18446744072641351216 [ 161.176962] CManager::OnNewMessage MT_ALSA_Msg_Start.. [ 161.176963] ResetPTPLock() -- [ 161.176978] CManager::start() [ 161.176993] CManager::OnNewMessage MT_ALSA_Msg_Start.. succeeded [ 161.177565] Wake up late of 1/2 period. Now(1611789), Asked(1611823), Diff(-34) [100us] neg means earlier -- [ 161.178234] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 161.178252] added sink at 000000000646d7a0 -- [ 161.179620] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 161.179621] added source at 0000000095023df9 [ 161.179621] self->m_RTP_streams_manager stream_handle = 18446744072641351216 [ 161.179761] MT_ALSA_Msg_SetPlayoutDelay set to 0 [ 161.180829] Get Nb Inputs. return 64 -- [ 161.182335] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 161.182385] added sink at 000000000646d7a0 -- [ 161.329901] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 161.329944] added sink at 000000000646d7a0 -- [ 161.332948] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 161.332982] added sink at 000000000646d7a0 -- [ 161.357229] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 161.357259] added sink at 000000000646d7a0 -- [ 161.387577] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 161.387599] added sink at 000000000646d7a0 -- [ 161.390978] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 161.390999] added sink at 000000000646d7a0 -- [ 161.401382] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 161.401402] added sink at 000000000646d7a0 -- [ 161.409934] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 161.409953] added sink at 000000000646d7a0 -- [ 161.619199] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 161.619247] added sink at 000000000646d7a0 -- [ 162.880880] LastTICCounter = 562 ui64TICCounter = 428534445827 (Timer period = 42 [100us]) [ 165.380830] CManager::OnNewMessage MT_ALSA_Msg_Stop [ 165.380831] entering CManager::stop.. -- [ 165.380834] leaving CManager::stop.. [ 165.380834] CManager::OnNewMessage MT_ALSA_Msg_Stop.. succeeded [ 165.381436] remove_RTP_stream stream_handle = 18446744072641570888 -- [ 165.382184] manager = 000000008bd4f2d3, [ 165.805405] Bye Mr RAV ALSA Daemon [ 168.026088] Hello Mr RAV ALSA Daemon [ 168.026387] CManager::OnNewMessage MT_ALSA_Msg_Start.. [ 168.026389] ResetPTPLock() -- [ 168.026402] CManager::start() [ 168.026403] CManager::OnNewMessage MT_ALSA_Msg_Start.. succeeded [ 168.026409] CManager::OnNewMessage MT_ALSA_Msg_Reset.. [ 168.049241] CHANNEL ###### = 2 -- [ 168.049322] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 168.049324] added source at 0000000095023df9 -- [ 168.097353] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 168.097397] added sink at 000000000646d7a0 -- [ 169.570545] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 169.570594] added sink at 000000000646d7a0 -- [ 169.572088] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 169.572089] added source at 0000000095023df9 [ 169.572090] self->m_RTP_streams_manager stream_handle = 18446744072641351216 [ 169.572451] MT_ALSA_Msg_SetPlayoutDelay set to 0 [ 169.576687] Get Nb Inputs. return 64 -- [ 169.578383] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 169.578420] added sink at 000000000646d7a0 -- [ 169.580247] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 169.580269] added sink at 000000000646d7a0 -- [ 169.581863] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 169.581886] added sink at 000000000646d7a0 -- [ 169.583509] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 169.583528] added sink at 000000000646d7a0 -- [ 169.585120] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 169.585138] added sink at 000000000646d7a0 -- [ 169.586761] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 169.586781] added sink at 000000000646d7a0 -- [ 169.588737] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 169.588787] added sink at 000000000646d7a0 -- [ 169.590392] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 169.590418] added sink at 000000000646d7a0 -- [ 169.592006] CRTP_audio_stream::Init: EAudioEngineSampleFormat = (3) [ 169.592025] added sink at 000000000646d7a0 -- [ 170.533016] PTP lock status changed from 1 to 2 [ 218.688964] entering mr_alsa_audio_pcm_open (substream name=subdevice #0 #0) ... [ 218.688966] Current PTPFrame Size = 192 [ 218.689120] entering mr_alsa_audio_pcm_close (substream name=subdevice #0 #0) ... [ 218.689175] entering mr_alsa_audio_pcm_open (substream name=subdevice #0 #0) ... [ 218.689375] Current PTPFrame Size = 192 [ 218.689416] entering mr_alsa_audio_pcm_close (substream name=subdevice #0 #0) ... [ 218.708417] entering mr_alsa_audio_pcm_open (substream name=subdevice #0 #0) ... [ 218.708418] Current PTPFrame Size = 192 [ 218.708750] entering mr_alsa_audio_pcm_close (substream name=subdevice #0 #0) ... [ 218.708844] entering mr_alsa_audio_pcm_open (substream name=subdevice #0 #0) ... [ 218.708963] Current PTPFrame Size = 192 [ 218.709252] entering mr_alsa_audio_pcm_close (substream name=subdevice #0 #0) ... [ 218.711211] entering mr_alsa_audio_pcm_open (substream name=subdevice #0 #0) ... [ 218.711213] Current PTPFrame Size = 192 [ 218.711548] entering mr_alsa_audio_pcm_close (substream name=subdevice #0 #0) ... [ 218.711642] entering mr_alsa_audio_pcm_open (substream name=subdevice #0 #0) ... [ 218.711697] Current PTPFrame Size = 192 [ 218.712005] entering mr_alsa_audio_pcm_close (substream name=subdevice #0 #0) ... [ 218.713189] entering mr_alsa_audio_pcm_open (substream name=subdevice #0 #0) ... [ 218.713233] Current PTPFrame Size = 192 [ 218.713290] mr_alsa_audio_pcm_hw_params (enter): rate=48000 format=10 channels=2 period_size=192, nb_periods=12 , buffer_bytes=18432 [ 218.713291] mr_alsa_audio_pcm_hw_params (playback): wrong nbPeriods (12 instead of 256)... [ 218.713462] mr_alsa_audio_pcm_hw_params done: rate=48000 format=10 channels=2 period_size=192, nb_periods=12 , buffer_bytes=18432 [ 218.713507] entering mr_alsa_audio_pcm_prepare (substream name=subdevice #0 #0) ... [ 218.713507] mr_alsa_audio_pcm_prepare: rate=48000 format=10 channels=2 period_size=192, nb periods=12 [ 218.713508] mr_alsa_audio_pcm_prepare for playback stream [ 218.713508] Leaving mr_alsa_audio_pcm_prepare.. [ 218.713512] entering mr_alsa_audio_pcm_trigger (substream name=subdevice #0 #0) ... [ 218.713513] mr_alsa_audio_pcm_trigger(Start), rate=48000 format=10 channels=2 period_size=192 [ 218.713517] MergingRAVENNAAudioDriver::startIO [ 218.751349] mr_alsa_audio_pcm_playback_silence called for 2304 frames at pos 0 [ 218.786017] BUG: unable to handle kernel paging request at ffffbb4a44301000 [ 218.786145] IP: mr_alsa_audio_pcm_playback_fill_silence 0x35c/0x460 [MergingRavennaALSA] [ 218.786211] PGD 17b13c067 P4D 17b13c067 PUD 17b13d067 PMD 16f63a067 PTE 0 [ 218.786274] Oops: 0002 [#1] SMP PTI [ 218.786333] Modules linked in: binfmt_misc snd_hda_intel snd_hda_codec joydev input_leds serio_raw snd_hda_core shpchp lpc_ich snd_hwdep mac_hid qemu_fw_cfg sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi MergingRavennaALSA(OE) snd_pcm snd_timer snd soundcore ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid pcbc aesni_intel aes_x86_64 crypto_simd e1000e glue_helper cryptd bochs_drm psmouse ahci ttm libahci drm_kms_helper virtio_net syscopyarea ptp sysfillrect sysimgblt pps_core fb_sys_fops virtio_blk drm [ 218.786874] CPU: 3 PID: 2588 Comm: stereo_tool_gui Tainted: G OE 4.15.0-213-generic #224-Ubuntu [ 218.786939] Hardware name: QEMU Standard PC (Q35 ICH9, 2009), BIOS rel-1.16.2-0-gea1b7a073390-prebuilt.qemu.org 04/01/2014 [ 218.787015] RIP: 0010:mr_alsa_audio_pcm_playback_fill_silence 0x35c/0x460 [MergingRavennaALSA] [ 218.787079] RSP: 0018:ffffbb4a4202fc88 EFLAGS: 00010082 -- [ 218.787739] Call Trace: [ 218.787824] fill_silence 0x2c/0x90 [snd_pcm] [ 218.787875] snd_pcm_playback_silence 0x1d8/0x270 [snd_pcm] [ 218.787930] snd_pcm_post_start 0x98/0xa0 [snd_pcm] [ 218.787981] snd_pcm_action_single 0x51/0x90 [snd_pcm] [ 218.788041] snd_pcm_action 0xe3/0x120 [snd_pcm] [ 218.788108] snd_pcm_action_lock_irq 0x2d/0x50 [snd_pcm] [ 218.788172] snd_pcm_common_ioctl 0x638/0xb90 [snd_pcm] [ 218.788230] snd_pcm_ioctl 0x27/0x40 [snd_pcm] [ 218.788307] do_vfs_ioctl 0xa8/0x630 -- [ 218.789982] Code: 02 66 89 41 fe 48 39 d1 75 ef b8 ff ff ff ff e9 d8 fe ff ff 8d 50 ff 85 c0 48 8d 54 91 04 0f 84 c3 fe ff ff 41 8b 07 48 83 c1 04 <89> 41 fc 48 39 d1 75 f1 b8 ff ff ff ff e9 af fe ff ff 85 c0 8d [ 218.791740] RIP: mr_alsa_audio_pcm_playback_fill_silence 0x35c/0x460 [MergingRavennaALSA] RSP: ffffbb4a4202fc88 [ 218.792631] CR2: ffffbb4a44301000 !!Packages installed !!-------------------- ii alsa-tools 1.1.3-1 amd64 Console based ALSA utilities for specific hardware ii alsa-utils 1.1.3-1ubuntu1 amd64 Utilities for configuring and using ALSA