Date: Mon, 14 Oct 2013 09:44:28 +0100 (BST) From: Anton Shterenlikht <mexas@bris.ac.uk> To: freebsd-current@freebsd.org, freebsd-ia64@freebsd.org Subject: panic: uma_zfree: Freeing to non free bucket index. Message-ID: <201310140844.r9E8iSYM015098@mech-cluster241.men.bris.ac.uk>
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BTW, I see in dmesg:
Starting ddb.
ddb: sysctl: debug.ddb.scripting.scripts: Invalid argument
/etc/rc: WARNING: failed to start ddb
What is that about?
panic: uma_zfree: Freeing to non free bucket index.
cpuid = 0
KDB: stack backtrace:
db_trace_self(0x9ffc000000158380) at db_trace_self+0x40
db_trace_self_wrapper(0x9ffc000000607370) at db_trace_self_wrapper+0x70
kdb_backtrace(0x9ffc000000ed0e10, 0x9ffc00000058e660, 0x40c, 0x9ffc0000010a44a0) at kdb_backtrace+0xc0
vpanic(0x9ffc000000dfc468, 0xa0000000e26e0fd8, 0x9ffc000000ef9670, 0x9ffc000000ed0bc0) at vpanic+0x260
kassert_panic(0x9ffc000000dfc468, 0xe000000015e25f90, 0xe000000015e243e0, 0xe00000027ffd5200) at kassert_panic+0x120
uma_zfree_arg(0xe00000027ffccfc0, 0xe000000015e243e0, 0x0) at uma_zfree_arg+0x2d0
g_destroy_bio(0xe000000015e243e0, 0x9ffc0000004ad4a0, 0x30a, 0x30a) at g_destroy_bio+0x30
g_disk_done(0xe000000015e243e0, 0xe000000015e15d10, 0xe000000012672700, 0x9ffc0000006b18c0) at g_disk_done+0x140
biodone(0xe000000015e243e0, 0x9ffc000000e0e150, 0xe000000010c24030, 0x0, 0x0, 0x0, 0x9ffc000000066890, 0x614) at biodone+0x180
dadone(0xe000000012672600, 0xe000000012541000, 0xe000000015e243e0, 0x7) at dadone+0x620
camisr_runqueue(0xe000000011a2dc00, 0xe000000012541054, 0xe000000012541000, 0x135d) at camisr_runqueue+0x6c0
camisr(0xe000000011a2dc20, 0xe000000011a2dc00, 0x9ffc000000bee9d0, 0xa0000000e26e1548) at camisr+0x260
intr_event_execute_handlers(0xe0000000111764a0, 0xe00000001118d998, 0xe000000011191c00, 0x0) at intr_event_execute_handlers+0x280
ithread_loop(0xe000000011192f00, 0xa0000000e26e1550, 0xe000000011192f14, 0xe00000001118d99c) at ithread_loop+0x1b0
fork_exit(0x9ffc000000e12a90, 0xe000000011192f00, 0xa0000000e26e1550) at fork_exit+0x120
enter_userland() at enter_userland
KDB: enter: panic
[ thread pid 12 tid 100015 ]
Stopped at kdb_enter+0x92: [I2] addl r14=0xffffffffffe2c990,gp ;;
db>
db> scripts
lockinfo=show locks; show alllocks; show lockedvnods
db> run lockinfo
db:0:lockinfo> show locks
db:0:locks> show alllocks
db:0:alllocks> show lockedvnods
Locked vnodes
0xe00000001ab39ba8: tag ufs, type VDIR
usecount 1, writecount 0, refcount 3 mountedhere 0
flags (VI_ACTIVE)
v_object 0xe00000001cd30900 ref 0 pages 0
lock type ufs: EXCL by thread 0xe0000000183d9680 (pid 41389, cpdup, tid 100121)
ino 5467932, on dev da5p1
0xe000000015ed3ba8: tag ufs, type VDIR
usecount 1, writecount 0, refcount 3 mountedhere 0
flags (VI_ACTIVE)
v_object 0xe00000001cd33e00 ref 0 pages 0
lock type ufs: EXCL by thread 0xe000000012a28900 (pid 41421, cpdup, tid 100092)
ino 5467948, on dev da5p1
0xe00000001ab16938: tag ufs, type VREG
usecount 1, writecount 0, refcount 3 mountedhere 0
flags (VI_ACTIVE)
v_object 0xe00000001cd98a00 ref 0 pages 1
lock type ufs: EXCL by thread 0xe000000018494000 (pid 41337, cpdup, tid 100137)
ino 5469420, on dev da5p1
0xe00000001b2503b0: tag ufs, type VREG
usecount 1, writecount 0, refcount 1 mountedhere 0
flags (VI_ACTIVE)
lock type ufs: EXCL by thread 0xe000000012a28900 (pid 41421, cpdup, tid 100092)
ino 5469421, on dev da5p1
0xe00000001ab2a760: tag ufs, type VREG
usecount 1, writecount 0, refcount 1 mountedhere 0
flags (VI_ACTIVE)
lock type ufs: EXCL by thread 0xe0000000183d9680 (pid 41389, cpdup, tid 100121)
ino 5469422, on dev da5p1
db>
db> script zzz=textdump set; capture on; run lockinfo; show pcpu; bt; ps; alltrace; capture off; reset
db> run zzz
Then I see lots of info on the console.
However, on reboot, there's nothing:
from dmesg:
*skip*
Starting syslogd.
No core dumps found.
^^^^^^^^^^^^^^^^^^^
Clearing /tmp (X related).
*skip*
# savecore -C -v
unable to open bounds file, using 0
checking for kernel dump on device /dev/da4p1
mediasize = 72834820096
sectorsize = 512
magic mismatch on last dump header on /dev/da4p1
No dump exists
# ls -al /var/crash/
total 16
drwxr-x--- 2 root wheel 512 Oct 13 21:55 .
drwxr-xr-x 28 root wheel 512 Oct 14 09:37 ..
-rw-r--r-- 1 root wheel 2 Oct 13 21:54 bounds
-rw-r--r-- 1 root wheel 5 Jun 12 2009 minfree
#
Where did my textdump go?
Thanks
Anton
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