FreeBSD 10-STABLE/sparc64 panic

[Chris Ross]

On Oct 5, 2014, at 01:03 , Chris Ross <cross+freebsd at distal.com> wrote:
> On Sep 29, 2014, at 00:22 , John-Mark Gurney <jmg at funkthat.com> wrote:
>> If you could get a core dump (call doadump) that'd be good, but dumping
>> the stack of the tid that held the spinlock too long would be a good
>> start..
> 
>  Okay.  I have a core dump now, and the stack backtrace (unless I've
> done it wrong) is:

  I still haven't gotten into looking at the code deeply, but I realize the 
backtrace from within kdgb is more useful.  So, I wanted to send that.

(kgdb) bt
#0  0x00000000c05a0220 in sched_switch (td=0xfffff800052c0000, 
    newtd=0xfffff80003382db0, flags=<value optimized out>)
    at /usr/src/sys/kern/sched_ule.c:1939
#1  0x00000000c0578964 in mi_switch (flags=1538, newtd=0x0)
    at /usr/src/sys/kern/kern_synch.c:494
#2  0x00000000c0576ec4 in critical_exit () at /usr/src/sys/kern/kern_switch.c:218
#3  0x00000000c08cf410 in spinlock_exit ()
    at /usr/src/sys/sparc64/sparc64/machdep.c:240
#4  0x00000000c05c8a14 in turnstile_chain_unlock (lock=<value optimized out>)
    at /usr/src/sys/kern/subr_turnstile.c:614
#5  0x00000000c0559e64 in __mtx_unlock_sleep (c=0xfffff8000325b5e0, opts=0, 
    file=0x0, line=0) at /usr/src/sys/kern/kern_mutex.c:769
#6  0x00000000c01f9604 in bge_init (xsc=0x1001b2000)
    at /usr/src/sys/dev/bge/if_bge.c:5603
#7  0x00000000c0656818 in ether_ioctl (ifp=<value optimized out>, 
    command=2149607692, data=0xed32cd28 "")
    at /usr/src/sys/net/if_ethersubr.c:1096
#8  0x00000000c0c02c08 in M_PLIMIT ()
#9  0x00000000c0c02c08 in M_PLIMIT ()
(kgdb)

  Thanks.  If anyone has any ideas, or suggestions for me to try, I'm all ears!

                - Chris