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c5340bd143
So I captured this: |WARNING: CPU: 0 PID: 2078 at /home/bigeasy/work/new/TI/linux/lib/debugobjects.c:260 debug_print_object+0x94/0xc4() |ODEBUG: free active (active state 0) object type: work_struct hint: musb_irq_work+0x0/0x38 [musb_hdrc] |CPU: 0 PID: 2078 Comm: rmmod Not tainted 3.12.0-rc4+ #338 |[<c0014d38>] (unwind_backtrace+0x0/0xf4) from [<c001249c>] (show_stack+0x14/0x1c) |[<c001249c>] (show_stack+0x14/0x1c) from [<c0037720>] (warn_slowpath_common+0x64/0x84) |[<c0037720>] (warn_slowpath_common+0x64/0x84) from [<c00377d4>] (warn_slowpath_fmt+0x30/0x40) |[<c00377d4>] (warn_slowpath_fmt+0x30/0x40) from [<c022ae90>] (debug_print_object+0x94/0xc4) |[<c022ae90>] (debug_print_object+0x94/0xc4) from [<c022b7e0>] (debug_check_no_obj_freed+0x1c0/0x228) |[<c022b7e0>] (debug_check_no_obj_freed+0x1c0/0x228) from [<c00f1f38>] (kfree+0xf8/0x228) |[<c00f1f38>] (kfree+0xf8/0x228) from [<c02921c4>] (release_nodes+0x1a8/0x248) |[<c02921c4>] (release_nodes+0x1a8/0x248) from [<c028f70c>] (__device_release_driver+0x98/0xf0) |[<c028f70c>] (__device_release_driver+0x98/0xf0) from [<c028f840>] (device_release_driver+0x24/0x34) |[<c028f840>] (device_release_driver+0x24/0x34) from [<c028ebe8>] (bus_remove_device+0x148/0x15c) |[<c028ebe8>] (bus_remove_device+0x148/0x15c) from [<c028d120>] (device_del+0x104/0x1c0) |[<c028d120>] (device_del+0x104/0x1c0) from [<c02911e4>] (platform_device_del+0x18/0xac) |[<c02911e4>] (platform_device_del+0x18/0xac) from [<c029179c>] (platform_device_unregister+0xc/0x18) |[<c029179c>] (platform_device_unregister+0xc/0x18) from [<bf1902fc>] (dsps_remove+0x20/0x4c [musb_dsps]) |[<bf1902fc>] (dsps_remove+0x20/0x4c [musb_dsps]) from [<c0290d7c>] (platform_drv_remove+0x1c/0x24) |[<c0290d7c>] (platform_drv_remove+0x1c/0x24) from [<c028f704>] (__device_release_driver+0x90/0xf0) |[<c028f704>] (__device_release_driver+0x90/0xf0) from [<c028f818>] (driver_detach+0xb4/0xb8) |[<c028f818>] (driver_detach+0xb4/0xb8) from [<c028e6e8>] (bus_remove_driver+0x98/0xec) |[<c028e6e8>] (bus_remove_driver+0x98/0xec) from [<c008fc70>] (SyS_delete_module+0x1e0/0x24c) |[<c008fc70>] (SyS_delete_module+0x1e0/0x24c) from [<c000e680>] (ret_fast_syscall+0x0/0x48) |---[ end trace d79045419a3e51ec ]--- The workqueue is only scheduled from the ep0 and never canceled in case the musb is removed before the work has a chance to run. Cc: stable@vger.kernel.org Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Felipe Balbi <balbi@ti.com> |
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| .. | ||
| accessibility | ||
| acpi | ||
| amba | ||
| ata | ||
| atm | ||
| auxdisplay | ||
| base | ||
| bcma | ||
| block | ||
| bluetooth | ||
| bus | ||
| cdrom | ||
| char | ||
| clk | ||
| clocksource | ||
| connector | ||
| cpufreq | ||
| cpuidle | ||
| crypto | ||
| dca | ||
| devfreq | ||
| dio | ||
| dma | ||
| edac | ||
| eisa | ||
| extcon | ||
| firewire | ||
| firmware | ||
| fmc | ||
| gpio | ||
| gpu | ||
| hid | ||
| hsi | ||
| hv | ||
| hwmon | ||
| hwspinlock | ||
| i2c | ||
| ide | ||
| idle | ||
| iio | ||
| infiniband | ||
| input | ||
| iommu | ||
| ipack | ||
| irqchip | ||
| isdn | ||
| leds | ||
| lguest | ||
| macintosh | ||
| mailbox | ||
| md | ||
| media | ||
| memory | ||
| memstick | ||
| message | ||
| mfd | ||
| misc | ||
| mmc | ||
| mtd | ||
| net | ||
| nfc | ||
| ntb | ||
| nubus | ||
| of | ||
| oprofile | ||
| parisc | ||
| parport | ||
| pci | ||
| pcmcia | ||
| pinctrl | ||
| platform | ||
| pnp | ||
| power | ||
| pps | ||
| ps3 | ||
| ptp | ||
| pwm | ||
| rapidio | ||
| regulator | ||
| remoteproc | ||
| reset | ||
| rpmsg | ||
| rtc | ||
| s390 | ||
| sbus | ||
| scsi | ||
| sfi | ||
| sh | ||
| sn | ||
| spi | ||
| ssb | ||
| staging | ||
| target | ||
| tc | ||
| thermal | ||
| tty | ||
| uio | ||
| usb | ||
| uwb | ||
| vfio | ||
| vhost | ||
| video | ||
| virt | ||
| virtio | ||
| vlynq | ||
| vme | ||
| w1 | ||
| watchdog | ||
| xen | ||
| zorro | ||
| Kconfig | ||
| Makefile | ||