Re: CVS commit: src/sys/dev

[Ryo ONODERA <ryo_on%yk.rim.or.jp@localhost>]

Hi,

https://mail-index.netbsd.org/source-changes/2017/02/24/msg082342.html
fixes my kernel panic.

However, PR kern/51999 is not resolved yet.
http://gnats.netbsd.org/51999

Thank you.

From: Ryo ONODERA <ryo_on%yk.rim.or.jp@localhost>, Date: Fri, 24 Feb 2017 21:49:12 +0900 (JST)

> Hi,
> 
> After this commit, audio playback causes kernel panic.
> The following is kernel panic message from LOCKDEBUG kernel
> (manually rewritten).
> 
> 
> Mutex error: mutex_vector_exit,717: exiting unheld spin mutex
> 
> lock address : 0xfffffe810fc11010 type:	    	           spin
> ininialized  : 0xffffffff80733860
> shared holds :                  0 exclusive:	              0
> shares wanted:			0 exclusive:	              0
> current cpu  :			0 last held:	              2
> current lwp  : 0xfffffe821eae1000 last held: 000000000000000000
> last locked  : 0xffffffff8072440b unlocked*: 0xffffffff808ca55d
> owner field  : 0x0000000000000700 wait/spin:                0/1
> 
> panic: LOCKDEBUG: Mutex error: mutex_vector_exit,717: exiting unheld spin mutex
> fatal breakpoint trap in supervisor mode
> trap type 1 code 0 rip ffffffff80215365 cs 8 rflags 246 cr2 7e01df80e010 ilevel 8 rsp fffffe8110371c40
> curlwp 0xfffffe821eae1000 pid 41.2 lowest kstack 0xfffffe811036f2c0
> Stopped in pid 41.2 (pulseaudio) at netbsd:breakpoint:0x5: leave
> db{0}>
> 
> 
> 
> From: "Nathanial Sloss" <nat%netbsd.org@localhost>, Date: Fri, 24 Feb 2017 09:49:49 +0000
> 
>> Module Name:	src
>> Committed By:	nat
>> Date:		Fri Feb 24 09:49:49 UTC 2017
>> 
>> Modified Files:
>> 	src/sys/dev: audio.c
>> 
>> Log Message:
>> Simplify locking.  Hold intr lock only when dealing with sc_pr (mix ring)
>> or virtual channel 0 (hardware).
>> 
>> 
>> To generate a diff of this commit:
>> cvs rdiff -u -r1.309 -r1.310 src/sys/dev/audio.c
>> 
>> Please note that diffs are not public domain; they are subject to the
>> copyright notices on the relevant files.
>> 
> 
> --
> Ryo ONODERA // ryo_on%yk.rim.or.jp@localhost
> PGP fingerprint = 82A2 DC91 76E0 A10A 8ABB  FD1B F404 27FA C7D1 15F3

--
Ryo ONODERA // ryo_on%yk.rim.or.jp@localhost
PGP fingerprint = 82A2 DC91 76E0 A10A 8ABB  FD1B F404 27FA C7D1 15F3