2.6.21-mm2: HDAPS? BUG: at kernel/mutex.c:311

Matt Mackall
2007-05-12T00:21:42Z

This just hit:

[ 7.856000] usbcore: registered new interface driver usbhid
[ 7.860000] BUG: at kernel/mutex.c:311 __mutex_trylock_slowpath()
[ 7.868000] [<c0104584>] show_trace_log_lvl+0x1a/0x30
[ 7.872000] [<c0105196>] show_trace+0x12/0x14
[ 7.876000] [<c0105222>] dump_stack+0x15/0x17
[ 7.880000] [<c03cd4c8>] mutex_trylock+0x56/0x15a
[ 7.888000] [<c03172c5>] hdaps_mousedev_poll+0x10/0xcb
[ 7.892000] [<c011f8c5>] run_timer_softirq+0x10e/0x16f
[ 7.896000] [<c011cabc>] __do_softirq+0x5d/0xc0
[ 7.900000] [<c0105c88>] do_softirq+0x6e/0xf0
[ 7.904000] [<c011ca22>] irq_exit+0x3e/0x7b
[ 7.912000] [<c0105da7>] do_IRQ+0x9d/0xb2
[ 7.916000] [<c01040fa>] common_interrupt+0x2e/0x34
[ 7.920000] [<c0118e5f>] printk+0x1b/0x1d
[ 7.924000] [<c02f2f96>] usb_register_driver+0xa0/0xe5
[ 7.928000] [<c0525018>] hid_init+0x28/0x51
[ 7.932000] [<c050e6c4>] kernel_init+0xbc/0x23e
[ 7.940000] [<c010420f>] kernel_thread_helper+0x7/0x10
[ 7.944000] =======================
[ 7.948000] drivers/hid/usbhid/hid-core.c: v2.6:USB HID core driver

Looks like it's triggered by the HDAPS driver.

--
Mathematics is the supreme nostalgia of our time.