在为蓝牙接口运行“ hciattach / dev / ttyACM0 bcsp”时出现以下问题。 bt驱动程序是ath3k。 我尝试调试USB堆栈,但无法解决问题。它也在内核4.4.8、4.8和4.12上复制。 是否有人对执行hciattach有内核崩溃方面的经验,或者可以建议进一步进行调查?
[ 280.926598] Exception stack(0xc3c6fac8 to 0xc3c6fb10)
[ 280.926645] fac0: 00000001 00000110 00000000 dabfb100
a0070013 dad52a84
[ 280.926700] fae0: daa94e00 a0070013 00000081 dad52800 dad52a84 c3c6fb2c
c3c6fac0 c3c6fb18
[ 280.926741] fb00: c016ce48 c0974494 20070013 ffffffff
[ 280.926795] r10:dad52a84 r9:c3c6e000 r8:00000081 r7:c3c6fafc r6:ffffffff
r5:20070013
[ 280.926821] r4:c0974494
[ 280.926885] [<c0974458>] (_raw_spin_unlock_irqrestore) from [<c064d71c>]
(ehci_urb_enqueue+0xe8/0xdbc)
[ 280.926918] r5:00000000 r4:c3c6fb60
[ 280.926977] [<c064d634>] (ehci_urb_enqueue) from [<c0632828>]
(usb_hcd_submit_urb+0xb4/0x85c)
[ 280.927033] r10:da86e800 r9:00000003 r8:014000c0 r7:daa94e08 r6:00000000
r5:dad52800
[ 280.927058] r4:daa94e00
谢谢, 三海田