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960013762d
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Jeeja KP 960013762d ALSA: hda: Fix cpu lockup when stopping the cmd dmas 
Using jiffies in hdac_wait_for_cmd_dmas() to determine when to time out
when interrupts are off (snd_hdac_bus_stop_cmd_io()/spin_lock_irq())
causes hard lockup so unlock while waiting using jiffies.

---<-snip->---
<0>[ 1211.603046] NMI watchdog: Watchdog detected hard LOCKUP on cpu 3
<4>[ 1211.603047] Modules linked in: snd_hda_intel i915 vgem
<4>[ 1211.603053] irq event stamp: 13366
<4>[ 1211.603053] hardirqs last  enabled at (13365):
...
<4>[ 1211.603059] Call Trace:
<4>[ 1211.603059]  ? delay_tsc+0x3d/0xc0
<4>[ 1211.603059]  __delay+0xa/0x10
<4>[ 1211.603060]  __const_udelay+0x31/0x40
<4>[ 1211.603060]  snd_hdac_bus_stop_cmd_io+0x96/0xe0 [snd_hda_core]
<4>[ 1211.603060]  ? azx_dev_disconnect+0x20/0x20 [snd_hda_intel]
<4>[ 1211.603061]  snd_hdac_bus_stop_chip+0xb1/0x100 [snd_hda_core]
<4>[ 1211.603061]  azx_stop_chip+0x9/0x10 [snd_hda_codec]
<4>[ 1211.603061]  azx_suspend+0x72/0x220 [snd_hda_intel]
<4>[ 1211.603061]  pci_pm_suspend+0x71/0x140
<4>[ 1211.603062]  dpm_run_callback+0x6f/0x330
<4>[ 1211.603062]  ? pci_pm_freeze+0xe0/0xe0
<4>[ 1211.603062]  __device_suspend+0xf9/0x370
<4>[ 1211.603062]  ? dpm_watchdog_set+0x60/0x60
<4>[ 1211.603063]  async_suspend+0x1a/0x90
<4>[ 1211.603063]  async_run_entry_fn+0x34/0x160
<4>[ 1211.603063]  process_one_work+0x1f4/0x6d0
<4>[ 1211.603063]  ? process_one_work+0x16e/0x6d0
<4>[ 1211.603064]  worker_thread+0x49/0x4a0
<4>[ 1211.603064]  kthread+0x107/0x140
<4>[ 1211.603064]  ? process_one_work+0x6d0/0x6d0
<4>[ 1211.603065]  ? kthread_create_on_node+0x40/0x40
<4>[ 1211.603065]  ret_from_fork+0x2e/0x40

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100419
Fixes: 38b19ed7f8 ("ALSA: hda: fix to wait for RIRB & CORB DMA to set")
Reported-by: Marta Lofstedt <marta.lofstedt@intel.com>
Suggested-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
CC: stable <stable@vger.kernel.org> # 4.7
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-05-10 08:47:17 +02:00
..
aoa powerpc updates for 4.9 2016-10-07 20:19:31 -07:00
arm
atmel
core Merge branch 'for-linus' into for-next 2017-04-14 09:01:04 +02:00
drivers ALSA: vx: remove 'out of memory' message 2017-02-28 07:54:33 +01:00
firewire ALSA: fireface: obsolete usage of ktime_set() for zero assignment 2017-04-20 15:00:54 +02:00
hda ALSA: hda: Fix cpu lockup when stopping the cmd dmas 2017-05-10 08:47:17 +02:00
i2c
isa ALSA: es1688: Use strcpy() instead of sprintf() 2017-03-20 12:24:34 +01:00
mips ALSA: mips: avoid potential uninitialized variable use 2017-01-16 14:33:42 +01:00
oss sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
parisc
pci ALSA: hda - Add mute led support for HP EliteBook 840 G3 2017-05-08 10:56:30 +02:00
pcmcia lib/vsprintf.c: remove %Z support 2017-02-27 18:43:47 -08:00
ppc scripts/spelling.txt: add "followings" pattern and fix typo instances 2017-02-27 18:43:47 -08:00
sh ktime: Cleanup ktime_set() usage 2016-12-25 17:21:22 +01:00
soc ASoC: Updates for v4.12 2017-05-02 08:25:25 +02:00
sparc dbri: move dereference after check for NULL 2016-12-06 12:18:22 -05:00
spi
synth ALSA: emux: stop if copy_from_user() fails 2017-03-31 16:23:52 +02:00
usb ALSA: usb-audio: replace /proc/bus/usb by /dev/bus/usb 2017-04-17 10:23:55 +02:00
x86 ALSA: x86: Make CONFIG_SND_X86 bool 2017-03-21 13:26:02 +01:00
ac97_bus.c
Kconfig ALSA: add Intel HDMI LPE audio driver for BYT/CHT-T 2017-01-25 14:23:46 +01:00
last.c
Makefile ALSA: add Intel HDMI LPE audio driver for BYT/CHT-T 2017-01-25 14:23:46 +01:00
sound_core.c