Re: kern/50185: dwctwo attach failure

[Nick Hudson <skrll%netbsd.org@localhost>]

The following reply was made to PR kern/50185; it has been noted by GNATS.

From: Nick Hudson <skrll%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost, kern-bug-people%netbsd.org@localhost, 
 gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/50185: dwctwo attach failure
Date: Tue, 01 Sep 2015 07:46:56 +0100

 On 08/31/15 21:40, martin%NetBSD.org@localhost wrote:
 
 >> Number:         50185
 >> Category:       kern
 >> Synopsis:       dwctwo attach failure
 >> Confidential:   no
 >> Severity:       critical
 >> Priority:       high
 >> Responsible:    kern-bug-people
 >> State:          open
 >> Class:          sw-bug
 >> Submitter-Id:   net
 >> Arrival-Date:   Mon Aug 31 20:40:00 +0000 2015
 >> Originator:     Martin Husemann
 >> Release:        NetBSD 7.99.21
 >> Organization:
 > The NetBSD Foundation, Inc.
 >> Environment:
 > ERLITE evbmips64
 >
 >> Description:
 >
 
 [snip]
 
 > 0x90000000000bebc0: dwc2_init+18c (63061,ffffffff80493880,ffffffff804b6520,fffff
 > fff804b6470) ra ffffffff8034cf38 sz 160
 > 0x90000000000bec60: octeon_dwc2_attach+938 (63061,ffffffff80493880,ffffffff804b6
 > 520,ffffffff804b6470) ra ffffffff8038474c sz 32
 > 0x90000000000bec80: config_attach_loc+1b4 (63061,ffffffff80493880,ffffffff804b65
 > 20,ffffffff804b6470) ra ffffffff80351c44 sz 64
 > 0x90000000000becc0: iobus_attach+174 (63061,ffffffff80493880,ffffffff804b6520,ff
 > ffffff804b6470) ra ffffffff8038474c sz 144
 > 0x90000000000bed50: config_attach_loc+1b4 (63061,ffffffff80493880,ffffffff804b65
 > 20,ffffffff804b6470) ra ffffffff802e81b8 sz 64
 > 0x90000000000bed90: mainbus_attach+a0 (63061,ffffffff80493880,ffffffff804b6520,f
 > fffffff804b6470) ra ffffffff8038474c sz 80
 
 dwc2_init is failing and it's not clear to me why
 
 Can you get the debug output from a DWC2_DEBUG kernel with dwc2debug set 
 to 2
 
 http://nxr.netbsd.org/xref/src/sys/external/bsd/dwc2/dwc2.c#77
 
 Thanks,
 NIck