Re: 14-CURRENT Kernel Panic due to USB hub?

From: Daniel Morante via freebsd-arm <freebsd-arm_at_freebsd.org>
Date: Sun, 21 Nov 2021 07:18:03 UTC
Here's the bt:

ugen0.2: <Generic 4-Port USB 3.0 Hub> at usbus0 (disconnected)
uhub5: at uhub0, port 1, addr 1 (disconnected)
uhub5: detached
ugen0.2: <Generic 4-Port USB 3.0 Hub> at usbus0
uhub5 numa-domain 0 on uhub0
uhub5: <Interrupt In Interface> on usbus0
uhub5: 4 ports with 4 removable, self powered
ugen0.2: <Generic 4-Port USB 3.0 Hub> at usbus0 (disconnected)
uhub5: at uhub0, port 1, addr 1 (disconnected)
uhub5: detached
panic: data abort with spinlock held
cpuid = 108
time = 1637478997
KDB: stack backtrace:
db_trace_self() at db_trace_self
KDB: enter: panic
[ thread pid 11 tid 100111 ]
Stopped at      kdb_enter+0x44: undefined       f901411f
db> bt
Tracing pid 11 tid 100111 td 0xffffa00005619580
db_trace_self() at db_trace_self
db>

On 11/12/2021 5:52 AM, Hans Petter Selasky wrote:
> On 11/12/21 00:43, Daniel Morante via freebsd-arm wrote:
>> ugen0.2: <Generic 4-Port USB 3.0 Hub> at usbus0 (disconnected)
>> uhub5: at uhub0, port 1, addr 1 (disconnected)
>> uhub5: detached
>> ugen0.2: <Generic 4-Port USB 3.0 Hub> at usbus0
>> uhub5 numa-domain 0 on uhub0
>> uhub5: <Interrupt In Interface> on usbus0
>> uhub5: 4 ports with 4 removable, self powered
>>
>> I suspect these problems are caused by the above detaching/reattaching.
>
> Can you type "bt" in the panic prompt?
>
> --HPS
>