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Re: port-evbarm/53503: dwctwo(4) panic triggered by usmsc(4) only in aarch64 mode
The following reply was made to PR port-evbarm/53503; it has been noted by GNATS.
From: Rin Okuyama <rokuyama%rk.phys.keio.ac.jp@localhost>
To: Nick Hudson <nick.hudson%gmx.co.uk@localhost>, gnats-bugs%NetBSD.org@localhost
Subject: Re: port-evbarm/53503: dwctwo(4) panic triggered by usmsc(4) only in
Date: Thu, 9 Aug 2018 02:26:14 +0900
On 2018/08/08 19:32, Nick Hudson wrote:
> Can you provide DWC2_DEBUG for the problem please?
Here's dmesg from kernel with DWC2_DEBUG and USB_DEBUG enabled:
The procedure is as follows:
(1) Boot RPI3B into single user mode.
(2) sysctl -w ddb.onpanic=0
(3) Entering ddb from USB keyboard, then
> w/l smsc_debug 1
> w/l dwc2debug 10
(4) ifconfig usmsc0 up
Thus, first few debug output is due to input from USB keyboard.
I need (2) because recursive panic occurs on entering ddb...
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