Re: Lock /mutex issue with i916 on HP620

[coypu%SDF.ORG@localhost]

On Thu, May 05, 2016 at 12:40:49PM +0200, Riccardo Mottola wrote:
> Hi,
> 
> to help debugging the Wireless stuff with Christos on my HP620, I compiled a
> kernel with DEBUG+LOCKDEBUG.
> 
> The kernel does not complete booting! it stops with a turnstile issue and a
> LOCKDEBUG bug.
> 
> Mutex error: lockdebug_wantlock: acquiring sleep lock from interrupt context
> 
> <.. hex details>
> 
> Turnstile chain at 0xffffffffff8101900.
> => No active turnstile for this lock
> 
> panic: LOCKDEBUG: Mutex error lockdebug_wantlock: acquiring sleep lock from
> interrupt context
> 
> the stacktrace clearly shows it inside i915 / i965 code
> 
> 
> I was able to take a screenshot with a ddb stacktrace. I canno t attach them
> here apparently, where may I post them (some pastebin but for images) / send
> them in private ?
> 
> 
> Riccardo
> 
> 

You can use http://imgur.com.
You can also file a bug:
http://www.netbsd.org/cgi-bin/sendpr.cgi?gndb=netbsd