Bug 99260

Summary:	PulseAudio daemon hangs after connect Fiio external DAC
Product:	PulseAudio	Reporter:	lemniscattaden
Component:	daemon	Assignee:	pulseaudio-bugs
Status:	RESOLVED NOTOURBUG	QA Contact:	pulseaudio-bugs
Severity:	major
Priority:	medium	CC:	lennart
Version:	unspecified
Hardware:	x86-64 (AMD64)
OS:	Linux (All)
Whiteboard:
i915 platform:		i915 features:

Description lemniscattaden 2017-01-03 15:43:40 UTC

When I connect my Fiio X5 II as external DAC to my PC PulseAudio hangs (unkillable). Google knows about this bug (https://bbs.archlinux.org/viewtopic.php?id=202648 http://forum.ubuntu.ru/index.php?topic=263700.0 https://ubuntuforums.org/showthread.php?t=2274844). The same problem with Fiio X3 II. People says that problem assigned with xhci. I can't check this because my motherboard doesn't support xhci disabling.
Fiio works fine without PulseAudio, through ALSA.

Dmesg log from forum (on my system I saw something similar):
Jul 20 02:07:27 archi-desktop kernel: [  719.622886] pulseaudio      D ffff88041ed130c0     0  3276   2983 0x00000004
Jul 20 02:07:27 archi-desktop kernel: [  719.622895]  ffff8803c76d7b60 0000000000000082 ffff8803ed39e5e0 ffff8803c76d7fd8
Jul 20 02:07:27 archi-desktop kernel: [  719.622901]  00000000000130c0 00000000000130c0 ffff880408644750 ffff8800cceb1400
Jul 20 02:07:27 archi-desktop kernel: [  719.622907]  ffff8800c8bc3910 ffff8800cceb1400 0000000000000004 ffff8800c8bc38f0
Jul 20 02:07:27 archi-desktop kernel: [  719.622913] Call Trace:
Jul 20 02:07:27 archi-desktop kernel: [  719.622925]  [<ffffffff8176a2d9>] schedule+0x29/0x70
Jul 20 02:07:27 archi-desktop kernel: [  719.622933]  [<ffffffff8156b3e5>] usb_kill_urb+0x65/0xa0
Jul 20 02:07:27 archi-desktop kernel: [  719.622943]  [<ffffffff810b50b0>] ? prepare_to_wait_event+0x100/0x100
Jul 20 02:07:27 archi-desktop kernel: [  719.622948]  [<ffffffff81569f98>] usb_hcd_flush_endpoint+0x198/0x200
Jul 20 02:07:27 archi-desktop kernel: [  719.622955]  [<ffffffff812478fc>] ? kernfs_find_ns+0x9c/0xf0
Jul 20 02:07:27 archi-desktop kernel: [  719.622962]  [<ffffffff8156d1d9>] usb_disable_endpoint+0x59/0x90
Jul 20 02:07:27 archi-desktop kernel: [  719.622968]  [<ffffffff8156d259>] usb_disable_interface+0x49/0x60
Jul 20 02:07:27 archi-desktop kernel: [  719.622974]  [<ffffffff8156d7ae>] usb_set_interface+0x1be/0x380
Jul 20 02:07:27 archi-desktop kernel: [  719.622986]  [<ffffffffc0e1b881>] snd_usb_init_sample_rate+0x251/0x350 [snd_usb_audio]
Jul 20 02:07:27 archi-desktop kernel: [  719.622999]  [<ffffffffc0e263fe>] snd_usb_pcm_prepare+0xbe/0x550 [snd_usb_audio]
Jul 20 02:07:27 archi-desktop kernel: [  719.623022]  [<ffffffffc0334aea>] ? snd_pcm_lib_ioctl+0x15a/0x260 [snd_pcm]
Jul 20 02:07:27 archi-desktop kernel: [  719.623035]  [<ffffffffc032cd77>] snd_pcm_do_prepare+0x17/0x30 [snd_pcm]
Jul 20 02:07:27 archi-desktop kernel: [  719.623048]  [<ffffffffc032c80d>] snd_pcm_action_single+0x2d/0x70 [snd_pcm]
Jul 20 02:07:27 archi-desktop kernel: [  719.623061]  [<ffffffffc032ca6e>] snd_pcm_action_nonatomic+0x6e/0x80 [snd_pcm]
Jul 20 02:07:27 archi-desktop kernel: [  719.623073]  [<ffffffffc032f962>] snd_pcm_common_ioctl1+0x472/0xd70 [snd_pcm]
Jul 20 02:07:27 archi-desktop kernel: [  719.623082]  [<ffffffff8105afcc>] ? __do_page_fault+0x20c/0x560
Jul 20 02:07:27 archi-desktop kernel: [  719.623094]  [<ffffffffc0330358>] snd_pcm_playback_ioctl1+0xf8/0x250 [snd_pcm]
Jul 20 02:07:27 archi-desktop kernel: [  719.623106]  [<ffffffffc03304e0>] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm]
Jul 20 02:07:27 archi-desktop kernel: [  719.623113]  [<ffffffff811e7670>] do_vfs_ioctl+0x2e0/0x4c0
Jul 20 02:07:27 archi-desktop kernel: [  719.623119]  [<ffffffff811e78d1>] SyS_ioctl+0x81/0xa0
Jul 20 02:07:27 archi-desktop kernel: [  719.623127]  [<ffffffff8176e34d>] system_call_fastpath+0x1a/0x1f

lsusb:
Bus 001 Device 005: ID 2972:0006

cat /proc/asound/cards                                                                                
 0 [DAC            ]: USB-Audio - FiiO USB Audio Class 2.0 DAC                                                     
                      SmartAction FiiO USB Audio Class 2.0 DAC at usb-0000:00:14.0-11, high speed 

pulseaudio log from forum (if you ask I can take log from my system)
[bart@BartPCArch ~]$ pulseaudio -vvvv
I: [pulseaudio] main.c: setrlimit(RLIMIT_NICE, (31, 31)) failed: Operation not permitted
I: [pulseaudio] main.c: setrlimit(RLIMIT_RTPRIO, (9, 9)) failed: Operation not permitted
D: [pulseaudio] core-rtclock.c: Timer slack is set to 50 us.
D: [pulseaudio] core-util.c: RealtimeKit worked.
I: [pulseaudio] core-util.c: Successfully gained nice level -11.
I: [pulseaudio] main.c: This is PulseAudio 6.0
D: [pulseaudio] main.c: Compilation host: x86_64-unknown-linux-gnu
D: [pulseaudio] main.c: Compilation CFLAGS: -march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong --param=ssp-buffer-size=4 -Wall -W -Wextra -Wno-long-long -Wno-overlength-strings -Wunsafe-loop-optimizations -Wundef -Wformat=2 -Wlogical-op -Wsign-compare -Wformat-security -Wmissing-include-dirs -Wformat-nonliteral -Wpointer-arith -Winit-self -Wdeclaration-after-statement -Wfloat-equal -Wmissing-prototypes -Wredundant-decls -Wmissing-declarations -Wmissing-noreturn -Wshadow -Wendif-labels -Wcast-align -Wstrict-aliasing -Wwrite-strings -Wno-unused-parameter -ffast-math -fno-common -fdiagnostics-show-option -fdiagnostics-color=auto
D: [pulseaudio] main.c: Running on host: Linux x86_64 4.1.6-1-ARCH #1 SMP PREEMPT Mon Aug 17 08:52:28 CEST 2015
D: [pulseaudio] main.c: Found 8 CPUs.
I: [pulseaudio] main.c: Page size is 4096 bytes
D: [pulseaudio] main.c: Compiled with Valgrind support: no
D: [pulseaudio] main.c: Running in valgrind mode: no
D: [pulseaudio] main.c: Running in VM: no
D: [pulseaudio] main.c: Optimized build: yes
D: [pulseaudio] main.c: FASTPATH defined, only fast path asserts disabled.
I: [pulseaudio] main.c: Machine ID is 285aceef9581452e8da5a89ae08b86a4.
I: [pulseaudio] main.c: Session ID is c1.
I: [pulseaudio] main.c: Using runtime directory /run/user/1000/pulse.
I: [pulseaudio] main.c: Using state directory /home/bart/.config/pulse.
I: [pulseaudio] main.c: Using modules directory /usr/lib/pulse-6.0/modules.
I: [pulseaudio] main.c: Running in system mode: no
I: [pulseaudio] main.c: Fresh high-resolution timers available! Bon appetit!
D: [pulseaudio] memblock.c: Using shared memory pool with 1024 slots of size 64.0 KiB each, total size is 64.0 MiB, maximum usable slot size is 65472
D: [pulseaudio] memblock.c: Using shared memory pool with 1024 slots of size 64.0 KiB each, total size is 64.0 MiB, maximum usable slot size is 65472
I: [pulseaudio] cpu-x86.c: CPU flags: CMOV MMX SSE SSE2 SSE3 SSSE3 SSE4_1 SSE4_2 
I: [pulseaudio] svolume_mmx.c: Initialising MMX optimized volume functions.
I: [pulseaudio] remap_mmx.c: Initialising MMX optimized remappers.
I: [pulseaudio] svolume_sse.c: Initialising SSE2 optimized volume functions.
I: [pulseaudio] remap_sse.c: Initialising SSE2 optimized remappers.
I: [pulseaudio] sconv_sse.c: Initialising SSE2 optimized conversions.
I: [pulseaudio] svolume_orc.c: Initialising ORC optimized volume functions.
D: [pulseaudio] database-tdb.c: Opened TDB database '/home/bart/.config/pulse/285aceef9581452e8da5a89ae08b86a4-device-volumes.tdb'
I: [pulseaudio] module-device-restore.c: Successfully opened database file '/home/bart/.config/pulse/285aceef9581452e8da5a89ae08b86a4-device-volumes'.
I: [pulseaudio] module.c: Loaded "module-device-restore" (index: #0; argument: "").
D: [pulseaudio] database-tdb.c: Opened TDB database '/home/bart/.config/pulse/285aceef9581452e8da5a89ae08b86a4-stream-volumes.tdb'
I: [pulseaudio] module-stream-restore.c: Successfully opened database file '/home/bart/.config/pulse/285aceef9581452e8da5a89ae08b86a4-stream-volumes'.
D: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Ext.StreamRestore1 added for object /org/pulseaudio/stream_restore1
D: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Ext.StreamRestore1.RestoreEntry added for object /org/pulseaudio/stream_restore1/entry0
D: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Ext.StreamRestore1.RestoreEntry added for object /org/pulseaudio/stream_restore1/entry1
D: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Ext.StreamRestore1.RestoreEntry added for object /org/pulseaudio/stream_restore1/entry2
D: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Ext.StreamRestore1.RestoreEntry added for object /org/pulseaudio/stream_restore1/entry3
D: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Ext.StreamRestore1.RestoreEntry added for object /org/pulseaudio/stream_restore1/entry4
D: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Ext.StreamRestore1.RestoreEntry added for object /org/pulseaudio/stream_restore1/entry5
D: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Ext.StreamRestore1.RestoreEntry added for object /org/pulseaudio/stream_restore1/entry6
D: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Ext.StreamRestore1.RestoreEntry added for object /org/pulseaudio/stream_restore1/entry7
D: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Ext.StreamRestore1.RestoreEntry added for object /org/pulseaudio/stream_restore1/entry8
D: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Ext.StreamRestore1.RestoreEntry added for object /org/pulseaudio/stream_restore1/entry9
D: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Ext.StreamRestore1.RestoreEntry added for object /org/pulseaudio/stream_restore1/entry10
D: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Ext.StreamRestore1.RestoreEntry added for object /org/pulseaudio/stream_restore1/entry11
D: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Ext.StreamRestore1.RestoreEntry added for object /org/pulseaudio/stream_restore1/entry12
D: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Ext.StreamRestore1.RestoreEntry added for object /org/pulseaudio/stream_restore1/entry13
D: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Ext.StreamRestore1.RestoreEntry added for object /org/pulseaudio/stream_restore1/entry14
I: [pulseaudio] module.c: Loaded "module-stream-restore" (index: #1; argument: "").
D: [pulseaudio] database-tdb.c: Opened TDB database '/home/bart/.config/pulse/285aceef9581452e8da5a89ae08b86a4-card-database.tdb'
I: [pulseaudio] module-card-restore.c: Successfully opened database file '/home/bart/.config/pulse/285aceef9581452e8da5a89ae08b86a4-card-database'.
I: [pulseaudio] module.c: Loaded "module-card-restore" (index: #2; argument: "").
I: [pulseaudio] module.c: Loaded "module-augment-properties" (index: #3; argument: "").
I: [pulseaudio] module.c: Loaded "module-switch-on-port-available" (index: #4; argument: "").
D: [pulseaudio] alsa-util.c: Trying hw:CARD=DAC with SND_PCM_NO_AUTO_FORMAT ...
D: [pulseaudio] alsa-util.c: Managed to open hw:CARD=DAC
I: [pulseaudio] alsa-util.c: Disabling tsched mode since BATCH flag is set
D: [pulseaudio] alsa-util.c: snd_pcm_hw_params_set_format(Signed 24 bit Little Endian in 3bytes) failed: Invalid argument
D: [pulseaudio] alsa-util.c: snd_pcm_hw_params_set_format(Signed 24 bit Big Endian in 3bytes) failed: Invalid argument
D: [pulseaudio] alsa-util.c: snd_pcm_hw_params_set_format(Float 32 bit Little Endian) failed: Invalid argument
D: [pulseaudio] alsa-util.c: snd_pcm_hw_params_set_format(Float 32 bit Big Endian) failed: Invalid argument
D: [pulseaudio] alsa-util.c: Maximum hw buffer size is 682 ms
D: [pulseaudio] alsa-util.c: Set buffer size first (to 19200 samples), period size second (to 4800 samples).
I: [pulseaudio] alsa-util.c: Device hw:CARD=DAC doesn't support sample format s24le, changed to s32le.

My system:
Asus Z170-A, Intel i7-6700K, Fiio X5 II with last firmware, Arch linux x64, PulseAudio 9.0.

Comment 1 Tanu Kaskinen 2017-01-04 18:14:31 UTC

This seems like a kernel bug, since dmesg shows a kernel stack trace and pulseaudio becomes unkillable. Those two things should never happen on a good kernel. I understand that you'd like to blame pulseaudio on the basis that you can use the card without pulseaudio, but pulseaudio can't be blamed for kernel bugs.

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