Public bug reported:
there is no audio device accessible any more and pulse-audio process can not be
terminated
in kernel log there is such a output:
This makes the complete audio unstable in the laptop.
I think it is started to happen when I installed Nvidia driver and there
is an external monitor attached with DP audio device.
[ 364.150644] INFO: task pulseaudio:2183 blocked for more than 120 seconds.
[ 364.150646] Tainted: P OE 5.4.0-31-generic #35-Ubuntu
[ 364.150647] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[ 364.150647] pulseaudio D 0 2183 2175 0x00004120
[ 364.150649] Call Trace:
[ 364.150653] __schedule+0x2e3/0x740
[ 364.150655] ? dma_pte_clear_level+0x142/0x190
[ 364.150655] schedule+0x42/0xb0
[ 364.150656] schedule_timeout+0x203/0x2f0
[ 364.150657] wait_for_completion+0xb1/0x120
[ 364.150659] ? wake_up_q+0x70/0x70
[ 364.150663] fw_run_transaction+0xdc/0x110 [firewire_core]
[ 364.150665] ? fw_core_handle_bus_reset+0x440/0x440 [firewire_core]
[ 364.150666] ? free_iova_fast+0x18/0x30
[ 364.150667] ? close_transaction+0x110/0x110 [firewire_core]
[ 364.150668] ? intel_unmap+0xd9/0x1c0
[ 364.150670] ? transmit_phy_packet_callback+0x20/0x20 [firewire_core]
[ 364.150671] snd_fw_transaction+0xbc/0x110 [snd_firewire_lib]
[ 364.150673] ? avc_general_get_plug_info+0x100/0x100 [snd_firewire_lib]
[ 364.150674] pcr_modify+0x65/0x100 [snd_firewire_lib]
[ 364.150675] cmp_connection_break+0x37/0x50 [snd_firewire_lib]
[ 364.150677] snd_oxfw_stream_start_duplex+0x1ee/0x2e0 [snd_oxfw]
[ 364.150678] ? wait_woken+0x80/0x80
[ 364.150679] pcm_capture_prepare+0x26/0x50 [snd_oxfw]
[ 364.150682] snd_pcm_do_prepare+0x1e/0x30 [snd_pcm]
[ 364.150684] snd_pcm_action_single+0x3c/0x80 [snd_pcm]
[ 364.150686] snd_pcm_action_nonatomic+0x6e/0x80 [snd_pcm]
[ 364.150687] snd_pcm_prepare+0x6a/0x90 [snd_pcm]
[ 364.150689] snd_pcm_common_ioctl+0x28c/0xc00 [snd_pcm]
[ 364.150691] snd_pcm_ioctl+0x27/0x40 [snd_pcm]
[ 364.150692] do_vfs_ioctl+0x407/0x670
[ 364.150694] ? __secure_computing+0x42/0xe0
[ 364.150694] ksys_ioctl+0x67/0x90
[ 364.150695] __x64_sys_ioctl+0x1a/0x20
[ 364.150697] do_syscall_64+0x57/0x190
[ 364.150698] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 364.150699] RIP: 0033:0x7f0bbfa1a37b
[ 364.150701] Code: Bad RIP value.
[ 364.150701] RSP: 002b:00007ffed915d308 EFLAGS: 00000202 ORIG_RAX:
0000000000000010
[ 364.150702] RAX: ffffffffffffffda RBX: 00005607c7b63de0 RCX: 00007f0bbfa1a37b
[ 364.150703] RDX: 0000000000000000 RSI: 0000000000004140 RDI: 000000000000006e
[ 364.150703] RBP: 00005607c7b63bb0 R08: 0000000000000000 R09: 0000000000001000
[ 364.150703] R10: 0000000000000004 R11: 0000000000000202 R12: 00005607c7b63de0
[ 364.150704] R13: 00007ffed915d6f0 R14: 0000000000000000 R15: 00007ffed915d480
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-31-generic 5.4.0-31.35
ProcVersionSignature: Ubuntu 5.4.0-31.35-generic 5.4.34
Uname: Linux 5.4.0-31-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed May 27 10:07:13 2020
InstallationDate: Installed on 2020-02-22 (94 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200220)
MachineType: Dell Inc. Precision 7540
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-31-generic
root=UUID=7a5890f6-2724-480a-8fa7-778d07cd929d ro quiet splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: Daemon not
responding.
RelatedPackageVersions:
linux-restricted-modules-5.4.0-31-generic N/A
linux-backports-modules-5.4.0-31-generic N/A
linux-firmware 1.187
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/12/2020
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.8.2
dmi.board.name: 0T2FXT
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.8.2:bd03/12/2020:svnDellInc.:pnPrecision7540:pvr:rvnDellInc.:rn0T2FXT:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.family: Precision
dmi.product.name: Precision 7540
dmi.product.sku: 0926
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1880835
Title:
pulse audio hangs in kernel call
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