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86f7ac77d4
It's been observed that when bluetooth driver fails to
activate the firmware, below hung task warning dump is
displayed after 120 seconds.
[ 36.461022] Bluetooth: vendor=0x2df, device=0x912e, class=255, fn=2
[ 56.512128] Bluetooth: FW failed to be active in time!
[ 56.517264] Bluetooth: Downloading firmware failed!
[ 240.252176] INFO: task kworker/3:2:129 blocked for more than 120 seconds.
[ 240.258931] Not tainted 3.18.0 #254
[ 240.262972] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 240.270751] kworker/3:2 D ffffffc000205760 0 129 2 0x00000000
[ 240.277825] Workqueue: events request_firmware_work_func
[ 240.283134] Call trace:
[ 240.285581] [<ffffffc000205760>] __switch_to+0x80/0x8c
[ 240.290693] [<ffffffc00088dae0>] __schedule+0x540/0x7b8
[ 240.295921] [<ffffffc00088ddd0>] schedule+0x78/0x84
[ 240.300764] [<ffffffc0006dfd48>] __mmc_claim_host+0xe8/0x1c8
[ 240.306395] [<ffffffc0006edd6c>] sdio_claim_host+0x74/0x84
[ 240.311840] [<ffffffbffc163d08>] 0xffffffbffc163d08
[ 240.316685] [<ffffffbffc165104>] 0xffffffbffc165104
[ 240.321524] [<ffffffbffc130cf8>] mwifiex_dnld_fw+0x98/0x110 [mwifiex]
[ 240.327918] [<ffffffbffc12ee88>] mwifiex_remove_card+0x2c4/0x5fc [mwifiex]
[ 240.334741] [<ffffffc000596780>] request_firmware_work_func+0x44/0x80
[ 240.341127] [<ffffffc00023b934>] process_one_work+0x2ec/0x50c
[ 240.346831] [<ffffffc00023c6a0>] worker_thread+0x350/0x470
[ 240.352272] [<ffffffc0002419bc>] kthread+0xf0/0xfc
[ 240.357019] 2 locks held by kworker/3:2/129:
[ 240.361248] #0: ("events"){.+.+.+}, at: [<ffffffc00023b840>] process_one_work+0x1f8/0x50c
[ 240.369562] #1: ((&fw_work->work)){+.+.+.}, at: [<ffffffc00023b840>] process_one_work+0x1f8/0x50c
[ 240.378589] task PC stack pid father
[ 240.384501] kworker/1:1 D ffffffc000205760 0 40 2 0x00000000
[ 240.391524] Workqueue: events mtk_atomic_work
[ 240.395884] Call trace:
[ 240.398317] [<ffffffc000205760>] __switch_to+0x80/0x8c
[ 240.403448] [<ffffffc00027279c>] lock_acquire+0x128/0x164
[ 240.408821] kworker/3:2 D ffffffc000205760 0 129 2 0x00000000
[ 240.415867] Workqueue: events request_firmware_work_func
[ 240.421138] Call trace:
[ 240.423589] [<ffffffc000205760>] __switch_to+0x80/0x8c
[ 240.428688] [<ffffffc00088dae0>] __schedule+0x540/0x7b8
[ 240.433886] [<ffffffc00088ddd0>] schedule+0x78/0x84
[ 240.438732] [<ffffffc0006dfd48>] __mmc_claim_host+0xe8/0x1c8
[ 240.444361] [<ffffffc0006edd6c>] sdio_claim_host+0x74/0x84
[ 240.449801] [<ffffffbffc163d08>] 0xffffffbffc163d08
[ 240.454649] [<ffffffbffc165104>] 0xffffffbffc165104
[ 240.459486] [<ffffffbffc130cf8>] mwifiex_dnld_fw+0x98/0x110 [mwifiex]
[ 240.465882] [<ffffffbffc12ee88>] mwifiex_remove_card+0x2c4/0x5fc [mwifiex]
[ 240.472705] [<ffffffc000596780>] request_firmware_work_func+0x44/0x80
[ 240.479090] [<ffffffc00023b934>] process_one_work+0x2ec/0x50c
[ 240.484794] [<ffffffc00023c6a0>] worker_thread+0x350/0x470
[ 240.490231] [<ffffffc0002419bc>] kthread+0xf0/0xfc
This patch adds missing sdio_release_host() call so that wlan driver
thread can claim sdio host.
Fixes:
|
||
|---|---|---|
| .. | ||
| accessibility | ||
| acpi | ||
| amba | ||
| android | ||
| ata | ||
| atm | ||
| auxdisplay | ||
| base | ||
| bcma | ||
| block | ||
| bluetooth | ||
| bus | ||
| cdrom | ||
| char | ||
| clk | ||
| clocksource | ||
| connector | ||
| cpufreq | ||
| cpuidle | ||
| crypto | ||
| dca | ||
| devfreq | ||
| dio | ||
| dma | ||
| dma-buf | ||
| edac | ||
| eisa | ||
| extcon | ||
| firewire | ||
| firmware | ||
| fmc | ||
| fpga | ||
| gpio | ||
| gpu | ||
| hid | ||
| hsi | ||
| hv | ||
| hwmon | ||
| hwspinlock | ||
| hwtracing | ||
| i2c | ||
| ide | ||
| idle | ||
| iio | ||
| infiniband | ||
| input | ||
| iommu | ||
| ipack | ||
| irqchip | ||
| isdn | ||
| leds | ||
| lguest | ||
| lightnvm | ||
| macintosh | ||
| mailbox | ||
| mcb | ||
| md | ||
| media | ||
| memory | ||
| memstick | ||
| message | ||
| mfd | ||
| misc | ||
| mmc | ||
| mtd | ||
| net | ||
| nfc | ||
| ntb | ||
| nubus | ||
| nvdimm | ||
| nvme | ||
| nvmem | ||
| of | ||
| oprofile | ||
| parisc | ||
| parport | ||
| pci | ||
| pcmcia | ||
| perf | ||
| phy | ||
| pinctrl | ||
| platform | ||
| pnp | ||
| power | ||
| powercap | ||
| pps | ||
| ps3 | ||
| ptp | ||
| pwm | ||
| rapidio | ||
| ras | ||
| regulator | ||
| remoteproc | ||
| reset | ||
| rpmsg | ||
| rtc | ||
| s390 | ||
| sbus | ||
| scsi | ||
| sfi | ||
| sh | ||
| sn | ||
| soc | ||
| spi | ||
| spmi | ||
| ssb | ||
| staging | ||
| target | ||
| tc | ||
| thermal | ||
| thunderbolt | ||
| tty | ||
| uio | ||
| usb | ||
| uwb | ||
| vfio | ||
| vhost | ||
| video | ||
| virt | ||
| virtio | ||
| vlynq | ||
| vme | ||
| w1 | ||
| watchdog | ||
| xen | ||
| zorro | ||
| Kconfig | ||
| Makefile | ||