panic: ia64 r255811: deadlkres: possible deadlock detected for 0xe0000000129b4d80, blocked for 901858 ticks

From: Anton Shterenlikht <mexas_at_bris.ac.uk>
Date: Wed, 25 Sep 2013 16:10:39 +0100 (BST)
This panic was triggered by "svn up", while
portmaster updates were going on:

FreeBSD mech-as221.men.bris.ac.uk 10.0-ALPHA2 FreeBSD 10.0-ALPHA2 #8 r255811: Tue Sep 24 09:04:17 BST 2013     root_at_mech-as221.men.bris.ac.uk:/usr/obj/usr/src/sys/UZI  ia64


- - - - - - - - - - Prior Console Output - - - - - - - - - -
kdb_backtrace(0x9ffc000000bfb030, 0x9ffc00000045b350, 0x40c, 0x9ffc000000dd20a0) at kdb_backtrace+0xc0
vpanic(0x9ffc000000aec840, 0xa0000000005cb518) at vpanic+0x260
panic(0x9ffc000000aec840, 0x9ffc000000aecaa0, 0xe0000000129b4d80, 0xdc2e2) at panic+0x80
deadlkres(0xdc2e2, 0xe0000000129b4d80, 0x9ffc000000aef478, 0x9ffc000000aec7d0) at deadlkres+0x420
fork_exit(0x9ffc000000b441e0, 0x0, 0xa0000000005cb550) at fork_exit+0x120
enter_userland() at enter_userland
KDB: enter: panic
[ thread pid 0 tid 100047 ]
Stopped at      kdb_enter+0x92: [I2]    addl r14=0xffffffffffe28fb0,gp ;;
db> 
- - - - - - - - - - - - Live Console - - - - - - - - - - - -

db> show msgbuf
msgbufp = 0xe0000040fffbdfb8
magic = 63062, size = 98232, r= 12374, w = 13109, ptr = 0xe0000040fffa6000, cksum= 988569
panic: deadlkres: possible deadlock detected for 0xe0000000129b4d80, blocked for 901858 ticks

cpuid = 1
KDB: stack backtrace:
db_trace_self(0x9ffc0000000c9ec0) at db_trace_self+0x40
db_trace_self_wrapper(0x9ffc0000004d40b0) at db_trace_self_wrapper+0x70
kdb_backtrace(0x9ffc000000bfb030, 0x9ffc00000045b350, 0x40c, 0x9ffc000000dd20a0) at kdb_backtrace+0xc0
vpanic(0x9ffc000000aec840, 0xa0000000005cb518) at vpanic+0x260
panic(0x9ffc000000aec840, 0x9ffc000000aecaa0, 0xe0000000129b4d80, 0xdc2e2) at panic+0x80
deadlkres(0xdc2e2, 0xe0000000129b4d80, 0x9ffc000000aef478, 0x9ffc000000aec7d0) at deadlkres+0x420
fork_exit(0x9ffc000000b441e0, 0x0, 0xa0000000005cb550) at fork_exit+0x120
enter_userland() at enter_userland
KDB: enter: panic
GDB: debug ports: uart
GDB: current port: uart
KDB: debugger backends: ddb gdb
KDB: current backend: ddb
Copyright (c) 1992-2013 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
        The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 10.0-ALPHA2 #8 r255811: Tue Sep 24 09:04:17 BST 2013
    root_at_mech-as221.men.bris.ac.uk:/usr/obj/usr/src/sys/UZI ia64
gcc version 4.2.1 20070831 patched [FreeBSD]
WARNING: WITNESS option enabled, expect reduced performance.
CPU: Madison (1500 MHz Itanium 2)
  Origin = "GenuineIntel"  Revision = 5
  Features = 0x1<LB>
real memory  = 6442450944 (6144 MB)
avail memory = 6298828800 (6007 MB)
FPSWA Revision = 0x10012, Entry = 0xe0000040ffe60050
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
cpu0: ACPI Id=0, SAPIC Id=0, SAPIC Eid=0 (BSP)
cpu1: ACPI Id=1, SAPIC Id=1, SAPIC Eid=0
random: <Software, Yarrow> initialized
Event timer "ITC" frequency 1500000000 Hz quality 1000


db> show thread
Thread 100047 at 0xe000000011973b00:
 proc (pid 0): 0x9ffc000000c15828
 name: deadlkres
 stack: 0xa0000000005c4000-0xa0000000005cbfff
 flags: 0x4  pflags: 0x200000
 state: RUNNING (CPU 1)
 priority: 108
 container lock: sched lock 1 (0x9ffc000000c3de80)
db> 

db> show thread
Thread 100047 at 0xe000000011973b00:
 proc (pid 0): 0x9ffc000000c15828
 name: deadlkres
 stack: 0xa0000000005c4000-0xa0000000005cbfff
 flags: 0x4  pflags: 0x200000
 state: RUNNING (CPU 1)
 priority: 108
 container lock: sched lock 1 (0x9ffc000000c3de80)
db> show proc
Process 0 (kernel) at 0x9ffc000000c15828:
 state: NORMAL
 uid: 0  gids: 0
 ABI: null
 threads: 151
100355                   D       -        0xe000000012322900 [zil_clean]
100354                   D       -        0xe000000012322500 [zil_clean]
100347                   D       -        0xe000000011c4d100 [zfs_vn_rele_taskq]
100345                   D       -        0xe000000012329500 [zio_ioctl_intr]
100344                   D       -        0xe000000012329400 [zio_ioctl_issue]
100343                   D       -        0xe000000012329300 [zio_claim_intr]
100342                   D       -        0xe000000012329200 [zio_claim_issue]
100341                   D       -        0xe000000012329100 [zio_free_intr]
100340                   D       -        0xe000000012329000 [zio_free_issue_99]
100339                   D       -        0xe000000012329000 [zio_free_issue_98]
100338                   D       -        0xe000000012329000 [zio_free_issue_97]
100337                   D       -        0xe000000012329000 [zio_free_issue_96]
100336                   D       -        0xe000000012329000 [zio_free_issue_95]
100335                   D       -        0xe000000012329000 [zio_free_issue_94]
100334                   D       -        0xe000000012329000 [zio_free_issue_93]
100333                   D       -        0xe000000012329000 [zio_free_issue_92]
100332                   D       -        0xe000000012329000 [zio_free_issue_91]
100331                   D       -        0xe000000012329000 [zio_free_issue_90]
100330                   D       -        0xe000000012329000 [zio_free_issue_89]
100329                   D       -        0xe000000012329000 [zio_free_issue_88]
100328                   D       -        0xe000000012329000 [zio_free_issue_87]
100327                   D       -        0xe000000012329000 [zio_free_issue_86]
100326                   D       -        0xe000000012329000 [zio_free_issue_85]
100325                   D       -        0xe000000012329000 [zio_free_issue_84]
100324                   D       -        0xe000000012329000 [zio_free_issue_83]
100323                   D       -        0xe000000012329000 [zio_free_issue_82]
100322                   D       -        0xe000000012329000 [zio_free_issue_81]
100321                   D       -        0xe000000012329000 [zio_free_issue_80]
100320                   D       -        0xe000000012329000 [zio_free_issue_79]
100319                   D       -        0xe000000012329000 [zio_free_issue_78]
100318                   D       -        0xe000000012329000 [zio_free_issue_77]
100317                   D       -        0xe000000012329000 [zio_free_issue_76]
100316                   D       -        0xe000000012329000 [zio_free_issue_75]
100315                   D       -        0xe000000012329000 [zio_free_issue_74]
100314                   D       -        0xe000000012329000 [zio_free_issue_73]
100313                   D       -        0xe000000012329000 [zio_free_issue_72]
100312                   D       -        0xe000000012329000 [zio_free_issue_71]
100311                   D       -        0xe000000012329000 [zio_free_issue_70]
100310                   D       -        0xe000000012329000 [zio_free_issue_69]
100309                   D       -        0xe000000012329000 [zio_free_issue_68]
100308                   D       -        0xe000000012329000 [zio_free_issue_67]
100307                   D       -        0xe000000012329000 [zio_free_issue_66]
100306                   D       -        0xe000000012329000 [zio_free_issue_65]
100305                   D       -        0xe000000012329000 [zio_free_issue_64]
100304                   D       -        0xe000000012329000 [zio_free_issue_63]
100303                   D       -        0xe000000012329000 [zio_free_issue_62]
100302                   D       -        0xe000000012329000 [zio_free_issue_61]
100301                   D       -        0xe000000012329000 [zio_free_issue_60]
100300                   D       -        0xe000000012329000 [zio_free_issue_59]
100299                   D       -        0xe000000012329000 [zio_free_issue_58]
100298                   D       -        0xe000000012329000 [zio_free_issue_57]
100297                   D       -        0xe000000012329000 [zio_free_issue_56]
100296                   D       -        0xe000000012329000 [zio_free_issue_55]
100295                   D       -        0xe000000012329000 [zio_free_issue_54]
100294                   D       -        0xe000000012329000 [zio_free_issue_53]
100293                   D       -        0xe000000012329000 [zio_free_issue_52]
100292                   D       -        0xe000000012329000 [zio_free_issue_51]
100291                   D       -        0xe000000012329000 [zio_free_issue_50]
100290                   D       -        0xe000000012329000 [zio_free_issue_49]
100289                   D       -        0xe000000012329000 [zio_free_issue_48]
100288                   D       -        0xe000000012329000 [zio_free_issue_47]
100287                   D       -        0xe000000012329000 [zio_free_issue_46]
100286                   D       -        0xe000000012329000 [zio_free_issue_45]
100285                   D       -        0xe000000012329000 [zio_free_issue_44]
100284                   D       -        0xe000000012329000 [zio_free_issue_43]
100283                   D       -        0xe000000012329000 [zio_free_issue_42]
100282                   D       -        0xe000000012329000 [zio_free_issue_41]
100281                   D       -        0xe000000012329000 [zio_free_issue_40]
100280                   D       -        0xe000000012329000 [zio_free_issue_39]
100279                   D       -        0xe000000012329000 [zio_free_issue_38]
100278                   D       -        0xe000000012329000 [zio_free_issue_37]
100277                   D       -        0xe000000012329000 [zio_free_issue_36]
100276                   D       -        0xe000000012329000 [zio_free_issue_35]
100275                   D       -        0xe000000012329000 [zio_free_issue_34]
100274                   D       -        0xe000000012329000 [zio_free_issue_33]
100273                   D       -        0xe000000012329000 [zio_free_issue_32]
100272                   D       -        0xe000000012329000 [zio_free_issue_31]
100271                   D       -        0xe000000012329000 [zio_free_issue_30]
100270                   D       -        0xe000000012329000 [zio_free_issue_29]
100269                   D       -        0xe000000012329000 [zio_free_issue_28]
100268                   D       -        0xe000000012329000 [zio_free_issue_27]
100267                   D       -        0xe000000012329000 [zio_free_issue_26]
100266                   D       -        0xe000000012329000 [zio_free_issue_25]
100265                   D       -        0xe000000012329000 [zio_free_issue_24]
100264                   D       -        0xe000000012329000 [zio_free_issue_23]
100263                   D       -        0xe000000012329000 [zio_free_issue_22]
100262                   D       -        0xe000000012329000 [zio_free_issue_21]
100261                   D       -        0xe000000012329000 [zio_free_issue_20]
100260                   D       -        0xe000000012329000 [zio_free_issue_19]
100259                   D       -        0xe000000012329000 [zio_free_issue_18]
100258                   D       -        0xe000000012329000 [zio_free_issue_17]
100257                   D       -        0xe000000012329000 [zio_free_issue_16]
100256                   D       -        0xe000000012329000 [zio_free_issue_15]
100255                   D       -        0xe000000012329000 [zio_free_issue_14]
100254                   D       -        0xe000000012329000 [zio_free_issue_13]
100253                   D       -        0xe000000012329000 [zio_free_issue_12]
100252                   D       -        0xe000000012329000 [zio_free_issue_11]
100251                   D       -        0xe000000012329000 [zio_free_issue_10]
100250                   D       -        0xe000000012329000 [zio_free_issue_9]
100249                   D       -        0xe000000012329000 [zio_free_issue_8]
100248                   D       -        0xe000000012329000 [zio_free_issue_7]
100247                   D       -        0xe000000012329000 [zio_free_issue_6]
100246                   D       -        0xe000000012329000 [zio_free_issue_5]
100245                   D       -        0xe000000012329000 [zio_free_issue_4]
100244                   D       -        0xe000000012329000 [zio_free_issue_3]
100243                   D       -        0xe000000012329000 [zio_free_issue_2]
100242                   D       -        0xe000000012329000 [zio_free_issue_1]
100241                   D       -        0xe000000012329000 [zio_free_issue_0]
100240                   D       -        0xe000000012328f00 [zio_write_intr_high]
100239                   D       -        0xe000000012328f00 [zio_write_intr_high]
100238                   D       -        0xe000000012328f00 [zio_write_intr_high]
100237                   D       -        0xe000000012328f00 [zio_write_intr_high]
100236                   D       -        0xe000000012328f00 [zio_write_intr_high]
100235                   D       -        0xe000000012328e00 [zio_write_intr_7]
100234                   D       -        0xe000000012328e00 [zio_write_intr_6]
100233                   D       -        0xe000000012328e00 [zio_write_intr_5]
100232                   D       -        0xe000000012328e00 [zio_write_intr_4]
100231                   D       -        0xe000000012328e00 [zio_write_intr_3]
100230                   D       -        0xe000000012328e00 [zio_write_intr_2]
100229                   D       -        0xe000000012328e00 [zio_write_intr_1]
100228                   D       -        0xe000000012328e00 [zio_write_intr_0]
100227                   D       -        0xe000000012328d00 [zio_write_issue_hig]
100226                   D       -        0xe000000012328d00 [zio_write_issue_hig]
100225                   D       -        0xe000000012328d00 [zio_write_issue_hig]
100224                   D       -        0xe000000012328d00 [zio_write_issue_hig]
100223                   D       -        0xe000000012328d00 [zio_write_issue_hig]
100222                   D       -        0xe000000012328c00 [zio_write_issue_1]
100221                   D       -        0xe000000012328c00 [zio_write_issue_0]
100220                   D       -        0xe000000012328b00 [zio_read_intr_1]
100219                   D       -        0xe000000012328b00 [zio_read_intr_0]
100218                   D       -        0xe000000012328a00 [zio_read_issue_7]
100217                   D       -        0xe000000012328a00 [zio_read_issue_6]
100216                   D       -        0xe000000012328a00 [zio_read_issue_5]
100215                   D       -        0xe000000012328a00 [zio_read_issue_4]
100214                   D       -        0xe000000012328a00 [zio_read_issue_3]
100213                   D       -        0xe000000012328a00 [zio_read_issue_2]
100212                   D       -        0xe000000012328a00 [zio_read_issue_1]
100211                   D       -        0xe000000012328a00 [zio_read_issue_0]
100210                   D       -        0xe000000012328900 [zio_null_intr]
100209                   D       -        0xe000000012328800 [zio_null_issue]
100067                   D       -        0xe000000012329700 [system_taskq_1]
100066                   D       -        0xe000000012329700 [system_taskq_0]
100047                   Run     CPU 1                       [deadlkres]
100023                   D       -        0xe000000010bb5300 [kqueue taskq]
100022                   D       -        0xe000000010bb5400 [ffs_trim taskq]
100019                   D       -        0xe000000010bb5700 [thread taskq]
100016                   D       -        0xe000000010bb5a00 [acpi_task_2]
100015                   D       -        0xe000000010bb5a00 [acpi_task_1]
100014                   D       -        0xe000000010bb5a00 [acpi_task_0]
100009                   D       -        0xe000000010bb5d00 [firmware taskq]
100000                   D       swapin   0x9ffc000000c15828 [swapper]
db> 

db> thread 100047
[ thread pid 0 tid 100047 ]
kdb_enter+0x92: [I2]    addl r14=0xffffffffffe28fb0,gp ;;
db> bt
Tracing pid 0 tid 100047 td 0xe000000011973b00
kdb_enter(0x9ffc000000af6e20, 0x9ffc000000af6e20, 0x9ffc00000045b3a0, 0x40c) at kdb_enter+0x92
vpanic(0x9ffc000000aec840, 0xa0000000005cb518) at vpanic+0x2b0
panic(0x9ffc000000aec840, 0x9ffc000000aecaa0, 0xe0000000129b4d80, 0xdc2e2) at panic+0x80
deadlkres(0xdc2e2, 0xe0000000129b4d80, 0x9ffc000000aef478, 0x9ffc000000aec7d0) at deadlkres+0x420
fork_exit(0x9ffc000000b441e0, 0x0, 0xa0000000005cb550) at fork_exit+0x120
enter_userland() at enter_userland
db> 
Received on Wed Sep 25 2013 - 14:53:25 UTC

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