Re: panic's in 10-CURRENT r235646 in VMware

On Tuesday, June 19, 2012 9:49:53 am Matthias Apitz wrote:
> El día Saturday, June 16, 2012 a las 08:11:40AM -0400, John Baldwin 
escribió:
> 
> > > I have configured now dumpdevice and -dir and will produce a bt next
> > > time;
> > > 
> > > btw: it seems that the panic only occurs when a second VM (also with
> > > FreeBSD) is running; the 2nd VM (my production env) has 2 GByte memory
> > > configured, while the crashing one only 512 MByte; the host itself has 4
> > > GByte real mem; we will see what the bt shows...
> > 
> > For future reference, you can just run 'tr' at the DDB prompt to get a 
stack 
> > trace and take a screen shot of that.
> 
> the bt is this:
> 
> # kgdb kernel.debug /var/crash/vmcore.0 
> GNU gdb 6.1.1 [FreeBSD]
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain 
conditions.
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> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> This GDB was configured as "i386-marcel-freebsd"...
> 
> Unread portion of the kernel message buffer:
> panic: mutex page lock not owned at /usr/src/sys/vm/vm_page.c:2060
> cpuid = 0
> KDB: enter: panic
> 
> Reading symbols from /usr/local/lib/vmware-
tools/modules/drivers/vmmemctl.ko...done.
> Loaded symbols for /usr/local/lib/vmware-tools/modules/drivers/vmmemctl.ko
> Reading symbols from /usr/local/lib/vmware-
tools/modules/drivers/vmxnet.ko...done.
> Loaded symbols for /usr/local/lib/vmware-tools/modules/drivers/vmxnet.ko
> Reading symbols from /usr/local/lib/vmware-
tools/modules/drivers/vmhgfs.ko...done.
> Loaded symbols for /usr/local/lib/vmware-tools/modules/drivers/vmhgfs.ko
> #0  doadump (textdump=0) at pcpu.h:244
> 244             __asm("movl %%fs:0,%0" : "=r" (td));
> 
> (kgdb) bt
> #0  doadump (textdump=0) at pcpu.h:244
> #1  0xc051c1b3 in db_dump (dummy=-1062488582, dummy2=0, dummy3=-1, 
>     dummy4=0xc3f01864 "") at /usr/src/sys/ddb/db_command.c:538
> #2  0xc051b8d1 in db_command (last_cmdp=0xc114925c, cmd_table=0x0, 
dopager=1)
>     at /usr/src/sys/ddb/db_command.c:449
> #3  0xc051ba2a in db_command_loop () at /usr/src/sys/ddb/db_command.c:502
> #4  0xc051da1d in db_trap (type=3, code=0) at /usr/src/sys/ddb/db_main.c:231
> #5  0xc0abbb16 in kdb_trap (type=3, code=0, tf=0xc3f01a60)
>     at /usr/src/sys/kern/subr_kdb.c:654
> #6  0xc0dfab7b in trap (frame=0xc3f01a60) at 
/usr/src/sys/i386/i386/trap.c:710
> #7  0xc0de406c in calltrap () at /usr/src/sys/i386/i386/exception.s:169
> #8  0xc0abb5fa in kdb_enter (why=0xc0fc9d88 "panic", msg=0xc0fc9d88 "panic")
>     at cpufunc.h:71
> #9  0xc0a848dc in panic (fmt=0xc0fc7ebf "mutex %s not owned at %s:%d")
>     at /usr/src/sys/kern/kern_shutdown.c:633
> #10 0xc0a719d7 in _mtx_assert (m=0xc1304d80, what=4, 
>     file=0xc10063f2 "/usr/src/sys/vm/vm_page.c", line=2060)
>     at /usr/src/sys/kern/kern_mutex.c:747
> #11 0xc0d11340 in vm_page_free_toq (m=0xc23daf78)
>     at /usr/src/sys/vm/vm_page.c:2060
> #12 0xc0d115b5 in vm_page_free (m=0xc23daf78) at 
/usr/src/sys/vm/vm_page.c:741
> #13 0xc68b01ba in OS_ReservedPageFree ()
>    from /usr/local/lib/vmware-tools/modules/drivers/vmmemctl.ko

Ah, so the bug is in here then.  Which version of vmware-tools do you have 
installed?

-- 
John Baldwin