Ben Skeggs 8fa4338acc drm/nouveau: enable autosuspend only when it'll actually be used ... This prevents a deadlock that somehow results from the suspend() -> forbid() -> resume() callchain. [ 125.266960] [drm] Initialized nouveau 1.3.1 20120801 for 0000:02:00.0 on minor 1 [ 370.120872] INFO: task kworker/4:1:77 blocked for more than 120 seconds. [ 370.120920] Tainted: G O 4.12.0-rc3 #20 [ 370.120947] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 370.120982] kworker/4:1 D13808 77 2 0x00000000 [ 370.120998] Workqueue: pm pm_runtime_work [ 370.121004] Call Trace: [ 370.121018] __schedule+0x2bf/0xb40 [ 370.121025] ? mark_held_locks+0x5f/0x90 [ 370.121038] schedule+0x3d/0x90 [ 370.121044] rpm_resume+0x107/0x870 [ 370.121052] ? finish_wait+0x90/0x90 [ 370.121065] ? pci_pm_runtime_resume+0xa0/0xa0 [ 370.121070] pm_runtime_forbid+0x4c/0x60 [ 370.121129] nouveau_pmops_runtime_suspend+0xaf/0xc0 [nouveau] [ 370.121139] pci_pm_runtime_suspend+0x5f/0x170 [ 370.121147] ? pci_pm_runtime_resume+0xa0/0xa0 [ 370.121152] __rpm_callback+0xb9/0x1e0 [ 370.121159] ? pci_pm_runtime_resume+0xa0/0xa0 [ 370.121166] rpm_callback+0x24/0x80 [ 370.121171] ? pci_pm_runtime_resume+0xa0/0xa0 [ 370.121176] rpm_suspend+0x138/0x6e0 [ 370.121192] pm_runtime_work+0x7b/0xc0 [ 370.121199] process_one_work+0x253/0x6a0 [ 370.121216] worker_thread+0x4d/0x3b0 [ 370.121229] kthread+0x133/0x150 [ 370.121234] ? process_one_work+0x6a0/0x6a0 [ 370.121238] ? kthread_create_on_node+0x70/0x70 [ 370.121246] ret_from_fork+0x2a/0x40 [ 370.121283] Showing all locks held in the system: [ 370.121291] 2 locks held by kworker/4:1/77: [ 370.121298] #0: ("pm"){.+.+.+}, at: [<ffffffffac0d3530>] process_one_work+0x1d0/0x6a0 [ 370.121315] #1: ((&dev->power.work)){+.+.+.}, at: [<ffffffffac0d3530>] process_one_work+0x1d0/0x6a0 [ 370.121330] 1 lock held by khungtaskd/81: [ 370.121333] #0: (tasklist_lock){.+.+..}, at: [<ffffffffac10fc8d>] debug_show_all_locks+0x3d/0x1a0 [ 370.121355] 1 lock held by dmesg/1639: [ 370.121358] #0: (&user->lock){+.+.+.}, at: [<ffffffffac124b6d>] devkmsg_read+0x4d/0x360 [ 370.121377] ============================================= Signed-off-by: Ben Skeggs <bskeggs@redhat.com>		2017-06-06 14:04:03 +10:00
..
accessibility
acpi	Merge branch 'ras-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2017-05-27 09:06:43 -07:00
amba
android
ata	ARM: SoC driver updates	2017-05-09 10:01:15 -07:00
atm
auxdisplay
base	Merge branches 'pm-sleep' and 'powercap'	2017-05-22 20:32:05 +02:00
bcma
block	Merge branch 'for-linus' of git://git.kernel.dk/linux-block	2017-05-20 16:12:30 -07:00
bluetooth	Bluetooth: hci_ldisc: Add protocol check to hci_uart_tx_wakeup()	2017-04-30 12:22:14 +02:00
bus
cdrom
char	drivers: char: mem: Check for address space wraparound with mmap()	2017-05-18 16:53:55 +02:00
clk	Sort of on the quieter side this time, which is probably due more	2017-05-10 13:38:18 -07:00
clocksource	Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2017-05-12 10:43:25 -07:00
connector
cpufreq	Merge branches 'intel_pstate', 'pm-cpufreq' and 'pm-cpufreq-sched'	2017-05-22 20:28:22 +02:00
cpuidle	Merge branches 'pm-domains', 'pm-cpuidle', 'pm-sleep' and 'powercap'	2017-05-09 23:21:46 +02:00
crypto	virtio: fixes, cleanups, performance	2017-05-10 11:33:08 -07:00
dax	dax: fix false CONFIG_BLOCK dependency	2017-05-13 16:18:21 -07:00
dca
devfreq
dio
dma	dmaengine updates for 4.12-rc1	2017-05-09 15:40:28 -07:00
dma-buf
edac	EDAC, amd64: Fix reporting of Chip Select sizes on Fam17h	2017-05-03 16:27:36 +02:00
eisa
extcon
firewire
firmware	More, and hopefully final, fixes after refactor for EFI pstore backend.	2017-05-22 19:31:07 -07:00
fmc
fpga	fpga fr br: update supported version numbers	2017-04-26 11:38:56 +02:00
fsi
gpio	Annotation of module parameters that specify device settings	2017-05-10 19:13:03 -07:00
gpu	drm/nouveau: enable autosuspend only when it'll actually be used	2017-06-06 14:04:03 +10:00
hid	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2017-05-02 19:09:35 -07:00
hsi
hv	char/misc patches for 4.12-rc1	2017-05-04 19:15:35 -07:00
hwmon	hwmon: (coretemp) Handle frozen hotplug state correctly	2017-05-14 07:49:32 -07:00
hwspinlock
hwtracing	drivers/hwtracing/intel_th/msu.c: use set_memory.h header	2017-05-08 17:15:14 -07:00
i2c	i2c: designware: Fix bogus sda_hold_time due to uninitialized vars	2017-05-22 19:22:19 -07:00
ide	ide: don't call memcpy with the same source and destination	2017-05-08 17:36:39 -04:00
idle	x86/intel_idle: add Gemini Lake support	2017-05-01 23:17:37 +02:00
iio	Annotation of module parameters that specify device settings	2017-05-10 19:13:03 -07:00
infiniband	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending	2017-05-12 11:44:13 -07:00
input	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input	2017-05-26 16:45:13 -07:00
iommu	iommu/mediatek: Include linux/dma-mapping.h	2017-05-17 14:51:54 +02:00
ipack
irqchip	Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2017-05-21 11:45:26 -07:00
isdn	Annotation of module parameters that specify device settings	2017-05-10 19:13:03 -07:00
leds	leds: pca955x: Correct I2C Functionality	2017-05-22 21:12:44 +02:00
lguest
lightnvm	lightnvm: fix bad back free on error path	2017-05-04 07:53:04 -06:00
macintosh	DeviceTree for 4.12:	2017-05-05 19:33:07 -07:00
mailbox	mailbox: handle empty message in tx_tick	2017-04-27 16:20:04 +05:30
mcb
md	Merge tag 'md/4.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md	2017-05-18 12:04:41 -07:00
media	Annotation of module parameters that specify device settings	2017-05-10 19:13:03 -07:00
memory	memory: omap-gpmc: Fix debug output for access width	2017-05-16 08:12:47 -07:00
memstick
message	scsi: mpt: Move scsi_remove_host() out of mptscsih_remove_host()	2017-04-24 18:21:17 -04:00
mfd	mfd: axp20x: Support AXP803 variant	2017-04-27 11:54:49 +01:00
misc	misc: pci_endpoint_test: select CRC32	2017-05-16 23:05:40 +02:00
mmc	This pull request contains fixes to make the WiFi work again for the ARM64	2017-05-26 09:05:35 -07:00
mtd	This pull request contains updates for both UBI and UBIFS:	2017-05-13 10:23:12 -07:00
net	net: ethernet: ax88796: don't call free_irq without request_irq first	2017-05-26 14:55:38 -04:00
nfc
ntb
nubus
nvdimm	Merge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm	2017-05-12 15:43:10 -07:00
nvme	nvme: Quirk APST on Intel 600P/P3100 devices	2017-05-26 11:53:02 +03:00
nvmem	ARM: SoC driver updates	2017-05-09 10:01:15 -07:00
of	MMC host:	2017-05-24 08:21:56 -07:00
oprofile
parisc
parport
pci	PCI/PM: Add needs_resume flag to avoid suspend complete optimization	2017-05-23 14:18:17 -05:00
pcmcia	Annotation of module parameters that specify device settings	2017-05-10 19:13:03 -07:00
perf
phy
pinctrl	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2017-05-02 19:09:35 -07:00
platform	char/misc patches for 4.12-rc1	2017-05-04 19:15:35 -07:00
pnp
power	power supply and reset changes for the v4.12 series (part 2)	2017-05-12 12:02:21 -07:00
powercap	PowerCap: Fix an error code in powercap_register_zone()	2017-05-14 13:30:05 +02:00
pps
ps3
ptp	Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2017-05-01 16:15:18 -07:00
pwm
rapidio	char/misc patches for 4.12-rc1	2017-05-04 19:15:35 -07:00
ras
regulator	Merge remote-tracking branch 'regulator/topic/vctrl' into regulator-next	2017-04-30 22:17:44 +09:00
remoteproc	virtio: fixes, cleanups, performance	2017-05-10 11:33:08 -07:00
reset	ARM: SoC driver updates	2017-05-09 10:01:15 -07:00
rpmsg	virtio: fixes, cleanups, performance	2017-05-10 11:33:08 -07:00
rtc	Merge branches 'pm-sleep' and 'powercap'	2017-05-22 20:32:05 +02:00
s390	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux	2017-05-16 09:24:44 -07:00
sbus
scsi	SCSI fixes on 20170524	2017-05-24 20:29:53 -07:00
sfi
sh
sn
soc	ARM: SoC fixes (and a cross-arch dt-include fix)	2017-05-19 13:36:56 -07:00
spi	Merge remote-tracking branches 'spi/topic/ti-qspi' and 'spi/topic/xlp' into spi-next	2017-04-26 15:58:22 +01:00
spmi
ssb
staging	staging: fsl-dpaa2/eth: add ETHERNET dependency	2017-05-16 14:23:31 +02:00
target	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending	2017-05-12 11:44:13 -07:00
tc
tee	Linux 4.12-rc1	2017-05-18 23:54:47 -07:00
thermal	thermal: broadcom: ns-thermal: default on iProc SoCs	2017-05-23 20:09:34 -07:00
thunderbolt
tty	serial: altera_uart: call iounmap() at driver remove	2017-05-25 14:36:37 +02:00
uio	uio: fix incorrect memory leak cleanup	2017-05-16 23:06:41 +02:00
usb	USB-serial fixes for v4.12-rc2	2017-05-19 10:10:07 +02:00
uwb	uwb: fix device quirk on big-endian hosts	2017-05-17 11:27:41 +02:00
vfio	powerpc updates for 4.12 part 1.	2017-05-05 11:36:44 -07:00
vhost	mm: support __GFP_REPEAT in kvmalloc_node for >32kB	2017-05-08 17:15:12 -07:00
video	fbdev changes for v4.12:	2017-05-11 11:12:26 -07:00
virt	drivers/virt/fsl_hypervisor.c: use get_user_pages_unlocked()	2017-05-08 17:15:10 -07:00
virtio	virtio: allow extra context per descriptor	2017-05-02 23:41:43 +03:00
vlynq
vme
w1
watchdog	watchdog: bcm281xx: Fix use of uninitialized spinlock.	2017-05-19 10:42:25 +02:00
xen	Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2017-05-09 09:12:53 -07:00
zorro
Kconfig
Makefile	Merge branch 'tee/initial-merge' into fixes	2017-05-10 21:03:31 +02:00