NetBSD Problem Report #48459

From www@NetBSD.org  Thu Dec 19 13:39:48 2013
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Date: Thu, 19 Dec 2013 13:39:47 +0000 (UTC)
From: cherry@zyx.in
Reply-To: cherry@zyx.in
To: gnats-bugs@NetBSD.org
Subject: Using btsco(4) causes kernel panic
X-Send-Pr-Version: www-1.0

>Number:         48459
>Category:       kern
>Synopsis:       Using btsco(4) causes kernel panic
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          closed
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Dec 19 13:40:00 +0000 2013
>Closed-Date:    Sun May 01 05:56:33 +0000 2016
>Last-Modified:  Sun May 01 05:56:33 +0000 2016
>Originator:     Cherry G. Mathew
>Release:        
>Organization:
>Environment:
nemo$ uname -a
NetBSD nemo 6.99.23 NetBSD 6.99.23 (GENERIC) #1: Mon Jul 29 00:13:06 IST 2013  cherry@nemo:/home/cherry/unbackedup/source/src/sys/arch/amd64/compile/obj/GENERIC amd64
nemo$ 
>Description:
While trying to play audio via audioplay, I get the following:


panic: kernel diagnostic assertion "kpreempt_disabled()" failed: file "/home/cherry/unbackedup/source/src/sys/kern/kern_softint.c", line 461 
cpu6: Begin traceback...
vpanic() at netbsd:vpanic+0x136
kern_assert() at netbsd:kern_assert+0x48
softint_schedule() at netbsd:softint_schedule+0xf6
btsco_start_output() at netbsd:btsco_start_output+0x39
audiostartp() at netbsd:audiostartp+0xef
audio_drain() at netbsd:audio_drain+0x171
audio_ioctl() at netbsd:audio_ioctl+0x1b4
audioioctl() at netbsd:audioioctl+0xb9
VOP_IOCTL() at netbsd:VOP_IOCTL+0x3b
vn_ioctl() at netbsd:vn_ioctl+0x76
sys_ioctl() at netbsd:sys_ioctl+0x13c
syscall() at netbsd:syscall+0x9a
--- syscall (number 54) ---
7f7ff70cdfaa:
cpu6: End traceback...

>How-To-Repeat:

>Fix:

>Release-Note:

>Audit-Trail:
From: "Nathanial Sloss" <nat@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/48459 CVS commit: src/sys/dev/bluetooth
Date: Fri, 10 Jul 2015 22:03:12 +0000

 Module Name:	src
 Committed By:	nat
 Date:		Fri Jul 10 22:03:12 UTC 2015

 Modified Files:
 	src/sys/dev/bluetooth: btsco.c

 Log Message:
 Wrap up calls to softint_schedule in kpeempt_[dis/en]able.

 Addresses PR kern/48459.

 This commit was approved by christos@


 To generate a diff of this commit:
 cvs rdiff -u -r1.33 -r1.34 src/sys/dev/bluetooth/btsco.c

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

State-Changed-From-To: open->feedback
State-Changed-By: nat@NetBSD.org
State-Changed-When: Fri, 10 Jul 2015 22:07:35 +0000
State-Changed-Why:
btsco.c has been patched.  Does it work for you?


State-Changed-From-To: feedback->closed
State-Changed-By: dholland@NetBSD.org
State-Changed-When: Sun, 01 May 2016 05:56:33 +0000
State-Changed-Why:
feedback timeout


>Unformatted:

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