New FreeBSD snapshots available: stable/10 (20150625 r284813)
Glen Barber
gjb at FreeBSD.org
Wed Jul 1 02:36:43 UTC 2015
On Tue, Jun 30, 2015 at 10:27:21PM -0400, Chris Ross wrote:
>
> Yeah, this is the same panic you, I, and others have been seeing on sparc64's
> with bge's, or at least v240's (and one other IIRC) for many many months. Thanks
> for grabbing a core!
>
> When I was trying to search for a commit that caused the change of behavior,
> I had difficultly doing it, but it was well back in 2014. The "boots sometimes"
> makes this a hard one to track, but as I only have my production v240, also
> makes it one I haven't spent as much time trying to find as I'd like.
>
> Thank you for letting me know this issue isn't fixed, though, despite the other
> success with this code. :-)
>
> Hopefully your stacktrace can help figure out what is wrong.
>
A quick search through the PR system returned zero results for this.
Did you file a PR previously? (If not, do you know of one that already
exists that Kurt can update?)
Glen
> - Chris
>
> On Jun 30, 2015, at 22:14 , Kurt Lidl <lidl at pix.net> wrote:
> > I got all excited and decided to give it a try on my dual-cpu
> > V240 as well. I was able to get it installed, but it panics
> > when booting off the mirrored ZFS drives. (Note: I have no
> > reason to believe this is ZFS related.)
> >
> > ---- snip, snip ----
> > Setting hostname: spork.pix.net.
> > bge0: link state changed to DOWN
> > spin lock 0xc0cb9e38 (smp rendezvous) held by 0xfffff80003e93240 (tid 100340) too long
> > timeout stopping cpus
> > panic: spin lock held too long
> > cpuid = 1
> > KDB: stack backtrace:
> > #0 0xc0575380 at panic+0x20
> > #1 0xc0558e10 at _mtx_lock_spin_failed+0x50
> > #2 0xc0558ed8 at _mtx_lock_spin_cookie+0xb8
> > #3 0xc08d7b9c at tick_get_timecount_mp+0xdc
> > #4 0xc0583c88 at binuptime+0x48
> > #5 0xc08a3b8c at timercb+0x6c
> > #6 0xc08d7f00 at tick_intr+0x220
> > Uptime: 29s
> > Dumping 8192 MB (4 chunks)
> > chunk at 0: 2147483648 bytes ... ok
> > chunk at 0x100000000: 2147483648 bytes ... ok
> > chunk at 0x1000000000: 2147483648 bytes ... ok
> > chunk at 0x1100000000: 2147483648 bytes ... ok
> >
> > Dump complete
> > ---- snip, snip ----
> >
> > Now the thing that amazes me is that this happened
> > the first three times after I did the install, and
> > on the fourth boot, it didn't panic. And it was
> > able to 'savecore' the crashdump.
> >
> > Here's the stacktrace from the core.txt.0 file:
> >
> > -Kurt
> >
> > Reading symbols from /boot/kernel/zfs.ko.symbols...done.
> > Loaded symbols for /boot/kernel/zfs.ko.symbols
> > Reading symbols from /boot/kernel/opensolaris.ko.symbols...done.
> > Loaded symbols for /boot/kernel/opensolaris.ko.symbols
> > Reading symbols from /boot/kernel/geom_mirror.ko.symbols...done.
> > Loaded symbols for /boot/kernel/geom_mirror.ko.symbols
> > Reading symbols from /boot/kernel/tmpfs.ko.symbols...done.
> > Loaded symbols for /boot/kernel/tmpfs.ko.symbols
> > #0 0x00000000c05745bc in doadump (textdump=<value optimized out>)
> > at /usr/src/sys/kern/kern_shutdown.c:262
> > 262 savectx(&dumppcb);
> > (kgdb) #0 0x00000000c05745bc in doadump (textdump=<value optimized out>)
> > at /usr/src/sys/kern/kern_shutdown.c:262
> > #1 0x00000000c0574fb0 in kern_reboot (howto=260)
> > at /usr/src/sys/kern/kern_shutdown.c:451
> > #2 0x00000000c0575358 in vpanic (fmt=0xc0b22fe0 "spin lock held too long",
> > ap=0x1fa2da638) at /usr/src/sys/kern/kern_shutdown.c:758
> > #3 0x00000000c0575388 in panic (fmt=0xc0b22fe0 "spin lock held too long")
> > at /usr/src/sys/kern/kern_shutdown.c:687
> > #4 0x00000000c0558e18 in _mtx_lock_spin_failed (m=0xc0cb9e38)
> > at /usr/src/sys/kern/kern_mutex.c:561
> > #5 0x00000000c0558ee0 in _mtx_lock_spin_cookie (c=0xfffff80003e93240,
> > tid=18446735277669594832, opts=0, file=0x0, line=0)
> > at /usr/src/sys/kern/kern_mutex.c:608
> > #6 0x00000000c08d7ba4 in tick_get_timecount_mp (tc=0xc0d13378) at smp.h:206
> > #7 0x00000000c0583c90 in binuptime (bt=0x1fa2da980)
> > at /usr/src/sys/kern/kern_tc.c:188
> > #8 0x00000000c08a3b94 in timercb (et=0xc0d13308, arg=<value optimized out>)
> > at time.h:418
> > #9 0x00000000c08d7f08 in tick_intr (tf=0x1fa2dab20)
> > at /usr/src/sys/sparc64/sparc64/tick.c:252
> > #10 0x00000000c00a11bc in tl1_intr ()
> > #11 0x00000000c08c934c in spinlock_exit ()
> > at /usr/src/sys/sparc64/sparc64/machdep.c:244
> > #12 0x00000000c08c9330 in spinlock_exit ()
> > at /usr/src/sys/sparc64/sparc64/machdep.c:240
> > #13 0x00000000c051a194 in cnputs (p=0x1fa2db11a "")
> > at /usr/src/sys/kern/kern_cons.c:530
> > #14 0x00000000c05c06e0 in putchar (c=10, arg=0x1fa2db0c8)
> > at /usr/src/sys/kern/subr_prf.c:437
> > #15 0x00000000c05bee90 in kvprintf (fmt=0xc0b2fb95 "",
> > func=0xc05c02e0 <putchar>, arg=0x1fa2db0c8, radix=10, ap=0x1fa2db300)
> > at /usr/src/sys/kern/subr_prf.c:655
> > #16 0x00000000c05bfe80 in _vprintf (level=5, flags=1,
> > fmt=0xc0b2fb78 "%s: link state changed to %s\n", ap=0x1fa2db2f0)
> > at /usr/src/sys/kern/subr_prf.c:281
> > #17 0x00000000c05c0270 in log (level=5,
> > fmt=0xc0b2fb78 "%s: link state changed to %s\n")
> > at /usr/src/sys/kern/subr_prf.c:308
> > #18 0x00000000c064ec28 in do_link_state_change (arg=0xfffff80003396800,
> > pending=1) at /usr/src/sys/net/if.c:2131
> > #19 0x00000000c05cab38 in taskqueue_run_locked (queue=0xfffff80003288000)
> > at /usr/src/sys/kern/subr_taskqueue.c:342
> > #20 0x00000000c05cacec in taskqueue_run (queue=0xfffff80003288000)
> > at /usr/src/sys/kern/subr_taskqueue.c:358
> > #21 0x00000000c05cae20 in taskqueue_swi_run (dummy=0x0)
> > at /usr/src/sys/kern/subr_taskqueue.c:471
> > #22 0x00000000c0539cc4 in intr_event_execute_handlers (p=0xfffff80003295860,
> > ie=0xfffff80003287e00) at /usr/src/sys/kern/kern_intr.c:1264
> > #23 0x00000000c053b86c in ithread_loop (arg=0xfffff8000324c080)
> > at /usr/src/sys/kern/kern_intr.c:1277
> > #24 0x00000000c0536428 in fork_exit (callout=0xc053b780 <ithread_loop>,
> > arg=0xfffff8000324c080, frame=0x1fa2db880)
> > at /usr/src/sys/kern/kern_fork.c:1018
> > #25 0x00000000c00a1270 in fork_trampoline ()
> > #26 0x00000000c00a1270 in fork_trampoline ()
> > Previous frame identical to this frame (corrupt stack?)
> > (kgdb)
> >
> >
> > _______________________________________________
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> >
>
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