Comment 82 for bug 996906

Updated my EFI, PA has the same settings:

[ 156.151092] ALSA: PCM: [Q] Lost interrupts?: (stream=0, delta=161, new_hw_ptr=2517145, old_hw_ptr=2516984)
[ 156.151099] CPU: 0 PID: 2399 Comm: chrome Not tainted 3.19.0-pf2+ #1
[ 156.151100] Hardware name: System manufacturer System Product Name/P8H61-M LX2, BIOS 0605 05/09/2013
[ 156.151102] 0000000000000000 0000000000000019 ffffffff8154b50a ffff8800948ab400
[ 156.151105] ffffffffa062e10f ffff8801ae5c1a80 0000000000213766 ffff8801ae5c1ac0
[ 156.151107] ffffffff815508fc ffff880235e4cda0 0000000000000000 0000000100023a7d
[ 156.151110] Call Trace:
[ 156.151112] <IRQ> [<ffffffff8154b50a>] ? dump_stack+0x4a/0x74
[ 156.151131] [<ffffffffa062e10f>] ? snd_pcm_update_hw_ptr0+0x40f/0x8d0 [snd_pcm]
[ 156.151134] [<ffffffff815508fc>] ? _raw_spin_unlock_irqrestore+0x1c/0x40
[ 156.151138] [<ffffffff81090b94>] ? resched_curr+0x24/0xf0
[ 156.151142] [<ffffffffa062e63a>] ? snd_pcm_period_elapsed+0x6a/0xe0 [snd_pcm]
[ 156.151146] [<ffffffffa0582f2b>] ? azx_interrupt+0x10b/0x1c0 [snd_hda_controller]
[ 156.151150] [<ffffffff810c7f6d>] ? handle_irq_event_percpu+0x2d/0x1e0
[ 156.151153] [<ffffffff810c8159>] ? handle_irq_event+0x39/0x60
[ 156.151155] [<ffffffff810cafd1>] ? handle_edge_irq+0x91/0x150
[ 156.151159] [<ffffffff81017678>] ? handle_irq+0x18/0x30
[ 156.151161] [<ffffffff81016dfd>] ? do_IRQ+0x4d/0xf0
[ 156.151164] [<ffffffff81551fed>] ? common_interrupt+0x6d/0x6d
[ 156.151165] <EOI> [<ffffffff8155126d>] ? system_call_fastpath+0x16/0x1b
[ 162.888555] ALSA: PCM: [Q] Lost interrupts?: (stream=0, delta=161, new_hw_ptr=2814073, old_hw_ptr=2813912)
[ 162.888562] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.19.0-pf2+ #1
[ 162.888564] Hardware name: System manufacturer System Product Name/P8H61-M LX2, BIOS 0605 05/09/2013
[ 162.888566] 0000000000000000 0000000000000079 ffffffff8154b50a ffff8800948ab400
[ 162.888570] ffffffffa062e10f 0000000000000000 ffff88023fa0e4c0 0000000000000000
[ 162.888582] ffff88023fa03ea4 00000001000254d4 0000000000000000 00000001000254ca
[ 162.888585] Call Trace:
[ 162.888587] <IRQ> [<ffffffff8154b50a>] ? dump_stack+0x4a/0x74
[ 162.888609] [<ffffffffa062e10f>] ? snd_pcm_update_hw_ptr0+0x40f/0x8d0 [snd_pcm]
[ 162.888614] [<ffffffffa062e63a>] ? snd_pcm_period_elapsed+0x6a/0xe0 [snd_pcm]
[ 162.888617] [<ffffffffa0582f2b>] ? azx_interrupt+0x10b/0x1c0 [snd_hda_controller]
[ 162.888623] [<ffffffff810c7f6d>] ? handle_irq_event_percpu+0x2d/0x1e0
[ 162.888626] [<ffffffff810c8159>] ? handle_irq_event+0x39/0x60
[ 162.888628] [<ffffffff810cafd1>] ? handle_edge_irq+0x91/0x150
[ 162.888632] [<ffffffff81017678>] ? handle_irq+0x18/0x30
[ 162.888635] [<ffffffff81016dfd>] ? do_IRQ+0x4d/0xf0
[ 162.888638] [<ffffffff81551fed>] ? common_interrupt+0x6d/0x6d
[ 162.888639] <EOI> [<ffffffff81427f99>] ? cpuidle_enter_state+0x59/0x1a0
[ 162.888644] [<ffffffff81427f89>] ? cpuidle_enter_state+0x49/0x1a0
[ 162.888648] [<ffffffff810a4599>] ? cpu_startup_entry+0x489/0x4f0
[ 162.888652] [<ffffffff818edf69>] ? start_kernel+0x47b/0x486
[ 162.888654] [<ffffffff818ed120>] ? early_idt_handlers+0x120/0x120
[ 162.888656] [<ffffffff818ed120>] ? early_idt_handlers+0x120/0x120
[ 162.888658] [<ffffffff818ed60d>] ? x86_64_start_kernel+0x150/0x15f
[ 170.116076] ALSA: PCM: [Q] Lost interrupts?: (stream=0, delta=161, new_hw_ptr=3132601, old_hw_ptr=3132440)
[ 170.116083] CPU: 0 PID: 2290 Comm: chrome Not tainted 3.19.0-pf2+ #1
[ 170.116084] Hardware name: System manufacturer System Product Name/P8H61-M LX2, BIOS 0605 05/09/2013
[ 170.116086] 0000000000000000 0000000000000079 ffffffff8154b50a ffff8800948ab400
[ 170.116088] ffffffffa062e10f 0000000000000000 ffff88023fa0e4c0 0000000000000000
[ 170.116091] ffff88023fa03ea4 ffff88020a8c6780 0000000000000000 0000000100027101
[ 170.116093] Call Trace:
[ 170.116094] <IRQ> [<ffffffff8154b50a>] ? dump_stack+0x4a/0x74
[ 170.116114] [<ffffffffa062e10f>] ? snd_pcm_update_hw_ptr0+0x40f/0x8d0 [snd_pcm]
[ 170.116119] [<ffffffff810993d3>] ? check_preempt_wakeup+0xb3/0x210
[ 170.116124] [<ffffffffa062e63a>] ? snd_pcm_period_elapsed+0x6a/0xe0 [snd_pcm]
[ 170.116127] [<ffffffffa0582f2b>] ? azx_interrupt+0x10b/0x1c0 [snd_hda_controller]
[ 170.116131] [<ffffffff810c7f6d>] ? handle_irq_event_percpu+0x2d/0x1e0
[ 170.116134] [<ffffffff810c8159>] ? handle_irq_event+0x39/0x60
[ 170.116137] [<ffffffff810cafd1>] ? handle_edge_irq+0x91/0x150
[ 170.116140] [<ffffffff81017678>] ? handle_irq+0x18/0x30
[ 170.116143] [<ffffffff81016dfd>] ? do_IRQ+0x4d/0xf0
[ 170.116145] [<ffffffff81551fed>] ? common_interrupt+0x6d/0x6d
[ 170.116146] <EOI> [<ffffffff8155126d>] ? system_call_fastpath+0x16/0x1b
[ 171.815153] ALSA: PCM: [Q] Lost interrupts?: (stream=0, delta=161, new_hw_ptr=3207481, old_hw_ptr=3207320)
[ 171.815160] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.19.0-pf2+ #1
[ 171.815161] Hardware name: System manufacturer System Product Name/P8H61-M LX2, BIOS 0605 05/09/2013
[ 171.815163] 0000000000000000 0000000000000079 ffffffff8154b50a ffff8800948ab400
[ 171.815166] ffffffffa062e10f 0000000000014080 ffff880235e4b428 ffff880235e4b3c0
[ 171.815168] ffffffff810993d3 00ff88023fa14080 0000000000000000 00000001000277a3
[ 171.815170] Call Trace:
[ 171.815172] <IRQ> [<ffffffff8154b50a>] ? dump_stack+0x4a/0x74
[ 171.815191] [<ffffffffa062e10f>] ? snd_pcm_update_hw_ptr0+0x40f/0x8d0 [snd_pcm]
[ 171.815196] [<ffffffff810993d3>] ? check_preempt_wakeup+0xb3/0x210
[ 171.815199] [<ffffffff815508fc>] ? _raw_spin_unlock_irqrestore+0x1c/0x40
[ 171.815204] [<ffffffffa062e63a>] ? snd_pcm_period_elapsed+0x6a/0xe0 [snd_pcm]
[ 171.815208] [<ffffffffa0582f2b>] ? azx_interrupt+0x10b/0x1c0 [snd_hda_controller]
[ 171.815212] [<ffffffff810c7f6d>] ? handle_irq_event_percpu+0x2d/0x1e0
[ 171.815215] [<ffffffff810c8159>] ? handle_irq_event+0x39/0x60
[ 171.815217] [<ffffffff810cafd1>] ? handle_edge_irq+0x91/0x150
[ 171.815221] [<ffffffff81017678>] ? handle_irq+0x18/0x30
[ 171.815223] [<ffffffff81016dfd>] ? do_IRQ+0x4d/0xf0
[ 171.815226] [<ffffffff81551fed>] ? common_interrupt+0x6d/0x6d
[ 171.815227] <EOI> [<ffffffff81427f99>] ? cpuidle_enter_state+0x59/0x1a0
[ 171.815232] [<ffffffff81427f89>] ? cpuidle_enter_state+0x49/0x1a0
[ 171.815235] [<ffffffff810a4599>] ? cpu_startup_entry+0x489/0x4f0
[ 171.815238] [<ffffffff818edf69>] ? start_kernel+0x47b/0x486
[ 171.815240] [<ffffffff818ed120>] ? early_idt_handlers+0x120/0x120
[ 171.815242] [<ffffffff818ed120>] ? early_idt_handlers+0x120/0x120
[ 171.815244] [<ffffffff818ed60d>] ? x86_64_start_kernel+0x150/0x15f