Re: rump LOCKDEBUG panic

[Patrick Welche <prlw1%cam.ac.uk@localhost>]

On Fri, Jan 13, 2017 at 03:15:19PM +0100, Patrick Welche wrote:
> Given how many tests are based on rump, am I the only one seeing this?
> 
> $ rump_allserver -v unix://sock
> Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
>     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
>     The NetBSD Foundation, Inc.  All rights reserved.
> Copyright (c) 1982, 1986, 1989, 1991, 1993
>     The Regents of the University of California.  All rights reserved.
> 
> NetBSD 7.99.58 (RUMP-ROAST)
> ...
> audio0 at pad0: half duplex, playback, capture
> mutex error: lockdebug_alloc: already initialized
> 
> lock address : 0x00007f7ff6604300 type     :     sleep/adaptive
> initialized  : 0x00007f7ff640294a
> shared holds :                  0 exclusive:                  0
> shares wanted:                  0 exclusive:                  0
> current cpu  :                  0 last held:                  0
> current lwp  : 0x00007f7ff7b3f800 last held: 000000000000000000
> last locked  : 000000000000000000 unlocked*: 000000000000000000
> 
> 
> panic: LOCKDEBUG: mutex error: lockdebug_alloc: already initialized

It seems taht drvctl_init gets called twice:

first call of drvctl_init

#0  drvctl_init ()
    at /usr/src/sys/rump/dev/lib/libdrvctl/../../../../kern/kern_drvctl.c:118
#1  0x00007f7ff6401e29 in rumpcompinitRUMP_COMPONENT_DEV ()
    at /usr/src/sys/rump/dev/lib/libdrvctl/drvctl_component.c:46
#2  0x00007f7fe50d2fcd in rump_component_init (type=RUMP_COMPONENT_DEV)
    at /usr/src/sys/rump/librump/rumpkern/rump.c:606
#3  0x00007f7fe5c0b348 in rumpcompinitRUMP__FACTION_DEV ()
    at /usr/src/sys/rump/librump/rumpdev/rump_dev.c:54
#4  0x00007f7fe50d2fcd in rump_component_init (type=RUMP__FACTION_DEV)

second call:

#0  drvctl_init ()
    at /usr/src/sys/rump/dev/lib/libdrvctl/../../../../kern/kern_drvctl.c:118
#1  0x00007f7ff6402ef2 in drvctl_modcmd (cmd=MODULE_CMD_INIT, arg=0x0)
    at /usr/src/sys/rump/dev/lib/libdrvctl/../../../../kern/kern_drvctl.c:615
#2  0x00007f7fe50af0c4 in module_do_builtin (pmod=0x7f7ff7bd1c98,
    name=0x7f7ff640321b "drvctl", modp=0x0, props=0x0)
    at /usr/src/sys/rump/librump/rumpkern/../../../kern/kern_module.c:830
#3  0x00007f7fe50ae78c in module_init_class (modclass=MODULE_CLASS_ANY)
    at /usr/src/sys/rump/librump/rumpkern/../../../kern/kern_module.c:511
#4  0x00007f7fe50d2a95 in rump_init ()
    at /usr/src/sys/rump/librump/rumpkern/rump.c:459
#5  0x0000000000203cd9 in main (argc=1, argv=0x7f7fffffcb20)
    at /usr/src/usr.bin/rump_allserver/rump_allserver.c:401