Hi Rick,
there was also a second more recent crash in /var/crash
Mon Oct 12 03:01:16 CEST 2015
FreeBSD noc3.cksoft.de 10.2-STABLE FreeBSD 10.2-STABLE #2 r288980M: Sun Oct
11 08:37:40 CEST 2015 c...@noc3.cksoft.de:/usr/obj/usr/src/sys/NOC amd64
panic: Assertion mtx_unowned(m) failed at /usr/src/sys/kern/kern_mutex.c:955
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.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "amd64-marcel-freebsd"...
Unread portion of the kernel message buffer:
panic: Assertion mtx_unowned(m) failed at /usr/src/sys/kern/kern_mutex.c:955
cpuid = 3
KDB: stack backtrace:
#0 0xffffffff80975bb0 at kdb_backtrace+0x60
#1 0xffffffff8093baa6 at vpanic+0x126
#2 0xffffffff8093b979 at kassert_panic+0x139
#3 0xffffffff80921c47 at _mtx_destroy+0x77
#4 0xffffffff81a1c174 at smb_iod_destroy+0xc4
#5 0xffffffff81a12eea at smb_vc_free+0x1a
#6 0xffffffff81a13e24 at sdp_trydestroy+0xb4
#7 0xffffffff81a1cb96 at smbfs_unmount+0xd6
#8 0xffffffff809d9e84 at dounmount+0x524
#9 0xffffffff809d9936 at sys_unmount+0x3c6
#10 0xffffffff80d42235 at amd64_syscall+0x265
#11 0xffffffff80d25cfb at Xfast_syscall+0xfb
Uptime: 8h44m10s
Dumping 102 out of 999 MB:..16%..32%..47%..63%..78%..94%
Reading symbols from /boot/kernel/smbfs.ko.symbols...done.
Loaded symbols for /boot/kernel/smbfs.ko.symbols
Reading symbols from /boot/kernel/libiconv.ko.symbols...done.
Loaded symbols for /boot/kernel/libiconv.ko.symbols
Reading symbols from /boot/kernel/libmchain.ko.symbols...done.
Loaded symbols for /boot/kernel/libmchain.ko.symbols
#0 doadump (textdump=<value optimized out>) at pcpu.h:219
219 pcpu.h: No such file or directory.
in pcpu.h
(kgdb) #0 doadump (textdump=<value optimized out>) at pcpu.h:219
#1 0xffffffff8093b5f2 in kern_reboot (howto=260)
at /usr/src/sys/kern/kern_shutdown.c:451
#2 0xffffffff8093bae5 in vpanic (fmt=<value optimized out>,
ap=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:758
#3 0xffffffff8093b979 in kassert_panic (fmt=<value optimized out>)
at /usr/src/sys/kern/kern_shutdown.c:646
#4 0xffffffff80921c47 in _mtx_destroy (c=0xfffff80002db5490)
at /usr/src/sys/kern/kern_mutex.c:955
#5 0xffffffff81a1c174 in smb_iod_destroy (iod=0xfffff80002db5400)
at /usr/src/sys/modules/smbfs/../../netsmb/smb_iod.c:733
#6 0xffffffff81a12eea in smb_vc_free (cp=0xfffff80002933000)
at /usr/src/sys/modules/smbfs/../../netsmb/smb_conn.c:499
#7 0xffffffff81a13e24 in sdp_trydestroy (sdp=0xfffff80002904140)
at /usr/src/sys/modules/smbfs/../../netsmb/smb_dev.c:166
#8 0xffffffff81a1cb96 in smbfs_unmount (mp=0xfffff80015226000,
mntflags=<value optimized out>)
at /usr/src/sys/modules/smbfs/../../fs/smbfs/smbfs_vfsops.c:297
#9 0xffffffff809d9e84 in dounmount (mp=0xfffff80015226000, flags=134217728,
td=0xfffff800151b0940) at /usr/src/sys/kern/vfs_mount.c:1313
#10 0xffffffff809d9936 in sys_unmount (td=0xfffff800151b0940,
uap=0xfffffe003d643b80) at /usr/src/sys/kern/vfs_mount.c:1205
#11 0xffffffff80d42235 in amd64_syscall (td=0xfffff800151b0940, traced=0)
at subr_syscall.c:134
#12 0xffffffff80d25cfb in Xfast_syscall ()
at /usr/src/sys/amd64/amd64/exception.S:396
#13 0x000000080089190a in ?? ()
Previous frame inner to this frame (corrupt stack?)
Current language: auto; currently minimal
(kgdb)
Greetings
Christian
On Mon, 12 Oct 2015, Christian Kratzer wrote:
Hi Rick,
On Sat, 10 Oct 2015, Rick Macklem wrote:
Hi again,
Attached is a semantically equivalent patch to the one I posted a few
minutes ago, but I think this one is more readable.
Please let me know if you get it tested, rick
the box crashed again tonight with your patch applied. Here's the new
crashinfo:
panic: Assertion mtx_unowned(m) failed at
/usr/src/sys/kern/kern_mutex.c:955
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.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for
details.
This GDB was configured as "amd64-marcel-freebsd"...
Unread portion of the kernel message buffer:
panic: Assertion mtx_unowned(m) failed at
/usr/src/sys/kern/kern_mutex.c:955
cpuid = 2
KDB: stack backtrace:
#0 0xffffffff80975bb0 at kdb_backtrace+0x60
#1 0xffffffff8093baa6 at vpanic+0x126
#2 0xffffffff8093b979 at kassert_panic+0x139
#3 0xffffffff80921c47 at _mtx_destroy+0x77
#4 0xffffffff81a1c114 at smb_iod_destroy+0xc4
#5 0xffffffff81a12eea at smb_vc_free+0x1a
#6 0xffffffff81a13e24 at sdp_trydestroy+0xb4
#7 0xffffffff81a1cb36 at smbfs_unmount+0xd6
#8 0xffffffff809d9e84 at dounmount+0x524
#9 0xffffffff809d9936 at sys_unmount+0x3c6
#10 0xffffffff80d42235 at amd64_syscall+0x265
#11 0xffffffff80d25cfb at Xfast_syscall+0xfb
Uptime: 1d21h59m0s
Dumping 191 out of 999
MB:..9%..17%..26%..34%..42%..51%..67%..76%..84%..92%
Here are the stackframes with line numbers:
(kgdb) frame 0
#0 __curthread () at ./machine/pcpu.h:219
219 __asm("movq %%gs:%1,%0" : "=r" (td)
(kgdb) frame 1
#1 doadump (textdump=<optimized out>) at
/usr/src/sys/kern/kern_shutdown.c:263
263 dumptid = curthread->td_tid;
(kgdb) frame 2
#2 0xffffffff8093b5f2 in kern_reboot (howto=260) at
/usr/src/sys/kern/kern_shutdown.c:451
451 doadump(TRUE);
(kgdb) frame 3
#3 0xffffffff8093bae5 in vpanic (fmt=<optimized out>, ap=<optimized
out>) at /usr/src/sys/kern/kern_shutdown.c:758
758 kern_reboot(bootopt);
(kgdb) frame 4
#4 0xffffffff8093b979 in kassert_panic (fmt=0xffffffff80e931ef
"Assertion %s failed at %s:%d") at /usr/src/sys/kern/kern_shutdown.c:646
646 vpanic(fmt, ap);
(kgdb) frame 5
#5 0xffffffff80921c47 in _mtx_destroy (c=0xfffff80002db5490) at
/usr/src/sys/kern/kern_mutex.c:955
955 MPASS(mtx_unowned(m));
(kgdb) frame 6
#6 0xffffffff81a1c174 in smb_iod_destroy (iod=0xfffff80002db5400) at
/usr/src/sys/modules/smbfs/../../netsmb/smb_iod.c:733
733 smb_sl_destroy(&iod->iod_evlock);
(kgdb) frame 7
#7 0xffffffff81a12eea in smb_vc_free (cp=0xfffff80002933000) at
/usr/src/sys/modules/smbfs/../../netsmb/smb_conn.c:499
499 smb_iod_destroy(vcp->vc_iod);
(kgdb) frame 8
#8 0xffffffff81a13e24 in sdp_trydestroy (sdp=0xfffff80002904140) at
/usr/src/sys/modules/smbfs/../../netsmb/smb_dev.c:166
166 smb_vc_rele(vcp, scred);
(kgdb) frame 9
#9 0xffffffff81a1cb96 in smbfs_unmount (mp=0xfffff80015226000,
mntflags=<optimized out>) at
/usr/src/sys/modules/smbfs/../../fs/smbfs/smbfs_vfsops.c:297
297 sdp_trydestroy(dev);
(kgdb) frame 10
#10 0xffffffff809d9e84 in dounmount (mp=0xfffff80015226000,
flags=134217728, td=0xfffff800151b0940) at /usr/src/sys/kern/vfs_mount.c:1313
1313 error = VFS_UNMOUNT(mp, flags);
(kgdb)
Let me know if you need anything else from the stackframes.
Greetings
Christian
--
Christian Kratzer CK Software GmbH
Email: c...@cksoft.de Wildberger Weg 24/2
Phone: +49 7032 893 997 - 0 D-71126 Gaeufelden
Fax: +49 7032 893 997 - 9 HRB 245288, Amtsgericht Stuttgart
Mobile: +49 171 1947 843 Geschaeftsfuehrer: Christian Kratzer
Web: http://www.cksoft.de/
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