Re: LOCKDEBUG panic: lockdebug_alloc: already initialized

[dieter roelants <dieter.NetBSD%pandora.be@localhost>]

On Fri, 1 Jul 2011 13:53:01 +0200
dieter roelants <dieter.NetBSD%pandora.be@localhost> wrote:

> Mutex error: lockdebug_alloc: already initialized
> 

It looks like this is reproducable: I wiped all packages from the
machine and started building again and it crashed in the exact same way
(while pkg_adding nspluginwrapper).

I have the following on the console:

/usr/pkg/emul/linux32/sbin/ldconfig: bad tag 3: [4 4, 20 4,  GNU  PaX]
/usr/pkg/lib/nspluginwrapper/i386/linux/npviewer.bin: bad tag 1: [4 4, 16 4,  
GNU  PaX]
/usr/pkg/lib/nspluginwrapper/i386/linux/npviewer.bin: bad tag 1: [4 4, 16 4,  
GNU  PaX]
/usr/pkg/lib/nspluginwrapper/i386/linux/npviewer.bin: bad tag 1: [4 4, 16 4,  
GNU  PaX]
Mutex error: lockdebug_alloc: already initialized

lock address : 0xffffffff80f96d20 type     :     sleep/adaptive
initialized  : 0xffffffff80f8c8b1
shared holds :                  0 exclusive:                  0
shares wanted:                  0 exclusive:                  0
current cpu  :                  1 last held:                  2
current lwp  : 0xffff80006c2915a0 last held: 000000000000000000
last locked  : 0xffffffff80f8c4e6 unlocked*: 0xffffffff80f8c43f
owner field  : 000000000000000000 wait/spin:                0/0

Turnstile chain at 0xffffffff80cf3700.
=> No active turnstile for this lock.

panic: LOCKDEBUG
fatal breakpoint trap in supervisor mode
trap type 1 code 0 rip ffffffff8024088d cs 8 rflags 246 cr2  fb84b0a0 cpl 0 rsp 
ffff80006bf9b920
Stopped in pid 25865.25865 (npviewer.bin) at    netbsd:breakpoint+0x5:  leave
db{1}> bt
breakpoint() at netbsd:breakpoint+0x5
panic() at netbsd:panic+0x27d
lockdebug_locked() at netbsd:lockdebug_locked
lockdebug_alloc() at netbsd:lockdebug_alloc+0xd9
mutex_init() at netbsd:mutex_init+0x93
futex_init() at compat_linux:futex_init+0x17
linux_do_futex() at compat_linux:linux_do_futex+0x39f
db{1}> ps
PID    LID S CPU     FLAGS       STRUCT LWP *               NAME WAIT
25865>25865 7   1     40000   ffff80006c2915a0       npviewer.bin
11904    1 3   2        80   ffff80006c291180           npconfig wait
28517    1 3   2        80   ffff800071127020                 sh wait
18356    1 3   2     40080   ffff80006d56e1a0            pkg_add wait
5658     1 3   2        80   ffff80006d2c8560                 sh wait
665      1 3   2        80   ffff80006863d060               make wait
1297     1 3   2        80   ffff80007af924a0                 sh wait
16744    1 3   2        80   ffff8000710c1740               make wait
5290     1 3   3        80   ffff80006c94e420                 sh wait
27442    1 3   3        80   ffff80007b05e8e0               make wait
9114     1 3   3        80   ffff80006c298600                 sh wait
6731     1 3   3        80   ffff80006d4a99c0               make wait
14733    1 3   3        80   ffff80006c340680                 sh wait

I can get more info from ddb if needed...

kind regards
dieter