Re: kern/50185: dwctwo attach failure

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

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