pulseaudio blocked in kernel
Submitted by Brian J. Murrell
Assigned to pul..@..op.org
Description
I have a pulseaudio process that seems to be blocked in the kernel:
kernel: sysrq: SysRq : Show Blocked State
kernel: task PC stack pid father
kernel: pulseaudio D ffff8801191a3b98 0 26427 1 0x00000004
kernel: ffff8801191a3b98 ffffffff81c10500 ffff880002788000 ffff8801191a4000
kernel: ffff8804afa0e080 ffff8801191a3bd0 ffff8804afa0e080 ffff88049b053000
kernel: ffff8801191a3bb0 ffffffff81795895 0000000205922d36 ffff8801191a3c60
kernel: Call Trace:
kernel: [<ffffffff81795895>] schedule+0x35/0x80
kernel: [<ffffffff817986b3>] schedule_timeout+0x123/0x240
kernel: [<ffffffff8110b7c0>] ? trace_event_raw_event_tick_stop+0x120/0x120
kernel: [<ffffffff817993de>] ? _raw_spin_unlock_irqrestore+0xe/0x10
kernel: [<ffffffffa0477f05>] snd_power_wait+0xb5/0x110 [snd]
kernel: [<ffffffff810cc790>] ? wake_up_q+0x70/0x70
kernel: [<ffffffffa0479901>] snd_ctl_elem_info_user+0x61/0xf0 [snd]
kernel: [<ffffffffa047c33c>] snd_ctl_ioctl+0x5ec/0x6c0 [snd]
kernel: [<ffffffff8133baac>] ? selinux_file_ioctl+0x10c/0x1c0
kernel: [<ffffffff8123e7f8>] do_vfs_ioctl+0x298/0x480
kernel: [<ffffffff81333323>] ? security_file_ioctl+0x43/0x60
kernel: [<ffffffff8123ea59>] SyS_ioctl+0x79/0x90
kernel: [<ffffffff8179996e>] entry_SYSCALL_64_fastpath+0x12/0x71
Not sure how it got that way though.
Any advise or hints?