NetBSD Problem Report #44187

From www@NetBSD.org  Thu Dec  2 23:35:38 2010
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Date: Thu,  2 Dec 2010 23:35:38 +0000 (UTC)
From: jkuittinen293482@gmail.com
Reply-To: jkuittinen293482@gmail.com
To: gnats-bugs@NetBSD.org
Subject: The kernel hangs when entering the debugger
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>Number:         44187
>Category:       kern
>Synopsis:       The kernel hangs when entering the debugger
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Dec 02 23:40:00 +0000 2010
>Last-Modified:  Fri Dec 03 20:05:02 +0000 2010
>Originator:     Jari Kuittinen
>Release:        5.99.41
>Organization:
>Environment:
NetBSD myhost.mydomain.tld 5.99.41 NetBSD 5.99.41 (GENERIC) #0: Thu Dec  2 07:40:20 UTC 2010  builds@b8.netbsd.org:/home/builds/ab/HEAD/i386/201012021200Z-obj/home/builds/ab/HEAD/src/sys/arch/i386/compile/GENERIC i386
>Description:
Tested with both serial and pc consoles, on versions 5.99.40 and .41

<BREAK>
fatal breakpoint trap in supervisor mode
trap type 1 code 0 eip c022d604 cs 8 eflags 202 cr2 bb71601c ilevel 8
Stopped in pid 0.2 (system) at  netbsd:breakpoint+0x4:  popl    %ebp
db{0}> cont

<BREAK>
fatal breakpoint trap in supervisor mode
trap type 1 code 0 eip c022d604 cs 8 eflags 202 cr2 cb6d7dae ilevel 8
<hang>

>How-To-Repeat:
Enter ddb, continue, re-enter
>Fix:

>Audit-Trail:
From: David Holland <dholland-bugs@netbsd.org>
To: gnats-bugs@NetBSD.org
Cc: 
Subject: Re: kern/44187: The kernel hangs when entering the debugger
Date: Fri, 3 Dec 2010 08:00:39 +0000

 On Thu, Dec 02, 2010 at 11:40:01PM +0000, jkuittinen293482@gmail.com wrote:
  > Tested with both serial and pc consoles, on versions 5.99.40 and .41

 Have you tried this with LOCKDEBUG turned on?

 -- 
 David A. Holland
 dholland@netbsd.org

From: Jari Kuittinen <jkuittinen293482@gmail.com>
To: gnats-bugs@NetBSD.org
Cc: 
Subject: Re: kern/44187: The kernel hangs when entering the debugger
Date: Fri, 3 Dec 2010 22:00:50 +0200

 On Fri,  3 Dec 2010 08:05:04 +0000 (UTC)
 David Holland <dholland-bugs@netbsd.org> wrote:

 >  
 >  Have you tried this with LOCKDEBUG turned on?
 >  
 >  -- 
 >  David A. Holland
 >  dholland@netbsd.org
 >  

 Yes, now I have.

 fatal breakpoint trap in supervisor mode
 trap type 1 code 0 eip c0231ee4 cs 8 eflags 202 cr2 bb71601c ilevel 8
 panic: i82489_icr_wait: busy

 (gdb) bt
 #0  cpu_reboot (howto=260, bootstr=0x0) at ../../../../arch/i386/i386/machdep.c:859
 #1  0xc0650c51 in panic (fmt=0xc0a452ed "i82489_icr_wait: busy") at ../../../../kern/subr_prf.c:302
 #2  0xc04cb494 in i82489_icr_wait () at ../../../../arch/x86/x86/lapic.c:500
 #3  0xc04cb945 in x86_ipi (vec=240, target=786432, dl=794864) at ../../../../arch/x86/x86/lapic.c:576
 #4  0xc024f72e in kdb_trap (type=1, code=0, regs=0xcac6fecc) at ../../../../arch/i386/i386/db_interface.c:131
 #5  0xc06896e7 in trap (frame=0xcac6fecc) at ../../../../arch/i386/i386/trap.c:392
 #6  0xc010cd26 in calltrap ()
 #7  0xc0231ee4 in breakpoint ()
 #8  0xc0227f96 in comintr (arg=0xcb3df704) at ../../../../dev/ic/com.c:1900
 #9  0xc0104837 in Xintr_ioapic_edge11 ()
 #10 0xc0231f65 in x86_stihlt ()
 Previous frame inner to this frame (corrupt stack?)

 --
 Jari Kuittinen

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