Re: Panic with wifi + usb in latest FreeBSD-current

From: Warner Losh <imp_at_bsdimp.com>
Date: Sun, 13 Sep 2020 23:34:39 -0600
On Sun, Sep 13, 2020, 11:29 PM Adrian Chadd <adrian.chadd_at_gmail.com> wrote:

> Yeah, this was also reported in #freebsd-wireless today.
>
> Is there a lock being held in the rtwn path that shouldn't be?
>

I'll check in the morning... this was like the 20th thing to go wrong this
weekend,  so I copied the panic down, send the email and grabbed a beer and
turned it off...

Warner


> -adrian
>
>
>
> On Sun, 13 Sep 2020 at 21:30, Warner Losh <imp_at_bsdimp.com> wrote:
>
>> I'm running current as of -2h ago.
>>
>> When I plug in my rtwn0 device and it configures, etc, I get:
>>
>> rtwn0 on uhub 0
>> rtwn0: <realtek 802.11n WLAN Adapter, class 0/0, rev 2.00/2.00, addr 4> on
>> usbus0
>> rtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R
>> <date> host dpa_supplicant[1619]: ioctl[SIOS80211, op=20, val=0,
>> arg_len=7]: Invalid argument
>> panic: sleepq_add: td <hex> to sleep on wchan <hex> with sleeping
>> prohibited
>> cpuid = 5
>> time = 1600057358
>> KDB: stack backtrace:
>> ...
>> panic()
>> sleepq_add()
>> _cv_wait()
>> usbd_do_request_flags
>> rtwn_do_request
>> rtwn_usb_read_4
>> rtwn_rx_common
>> rtwn_bulk_rx_callback
>> usbd_callback_wrapper
>> usb_command_wrapper
>> usb_callback_proc
>> usb_process
>> ...
>>
>> I've done a fresh installworld and installkernel, but am running packages
>> from late may since I've not updated them. I've updated the iichid and
>> drm-kmod ports and rebuilt them and reinstalled them as well (so I know
>> they aren't out of date).
>>
>> Has anybody else seen this?
>>
>> Warner
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>>
>
Received on Mon Sep 14 2020 - 03:34:54 UTC

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