On 16. sep. 2006, at 22.22, Frode Nordahl wrote:

On 16. sep. 2006, at 22.09, John Baldwin wrote:

On Saturday 16 September 2006 07:02, Frode Nordahl wrote:
Hello,

FreeBSD localhost.localdomain 6.2-PRERELEASE FreeBSD 6.2-PRERELEASE
#1: Wed Sep 13 00:10:04 CEST 2006     [EMAIL PROTECTED]:/
usr/obj/usr/src/sys/PT  i386

After running some stress tests for 3 days, I wanted to remove some
large directories.

Do you have a coredump?  I assume you do from your debug output.  Can
you download http://www.FreeBSD.org/~jhb/gdb/gdb6, fire up kgdb, and
once in kgdb, do 'source /path/to/gdb6' and then run 'ps' and reply
with the output from that?

I am sorry, I have not. I tried to call doadump, but there was no dumpdevice configured :-(

Somehow I have convinced myself that this was turned on by default now, so I have not enabled it explicitly in rc.conf. Is there any way to tell DDB what dumpdevice to use directly?

I will configure a dumpdevice and try really hard to make it happen again.

I was able to reproduce the livelock again, and this time I had the system armed with dumpon :-)

Here is the output you requested:
(kgdb) ps
  pid  ppid  pgrp   uid   state   wmesg     wchan    cmd
2535  2499  2535     0  R+      CPU  0              rm
2534  2499  2534     0  L+     *Giant    0xc6704580 rm
2533  2499  2533     0  L+     *Giant    0xc6704580 rm
2532  2499  2532     0  R+                          rm
2531  2499  2531     0  L+     *Giant    0xc6704580 rm
2499  2496  2499     0  Ss+     ttyin    0xc655d810 bash
2496   784  2496     0  Rs                          sshd
  852     1   852     0  Rs+                         getty
  851     1   851     0  Ss+     ttyin    0xc6569010 getty
  850     1   850     0  Ss+     ttyin    0xc6568c10 getty
  849     1   849     0  Ss+     ttyin    0xc6569c10 getty
  848     1   848     0  Ss+     ttyin    0xc6569810 getty
  847     1   847     0  Ss+     ttyin    0xc6568410 getty
  846     1   846     0  Ss+     ttyin    0xc6568010 getty
  845     1   845     0  Ss+     ttyin    0xc6567810 getty
  844     1   844     0  Ss+     ttyin    0xc6567c10 getty
  802     1   802     0  Rs                          cron
  796     1   796    25  Ss      pause    0xc673524c sendmail
  790     1   790     0  Rs                          sendmail
  784     1   784     0  Ss      select   0xc09ebb64 sshd
  763     1   763     0  Rs                          ntpd
  731   725   725     0  S       nfslockd 0xc09f4128 rpc.lockd
---Type <return> to continue, or q <return> to quit---
  725     1   725     0  Rs                          rpc.lockd
  720     1   720     0  Rs                          rpc.statd
  715   710   710     0  S       -        0xc6715800 nfsd
  714   710   710     0  S       -        0xc671f000 nfsd
  713   710   710     0  S       -        0xc651b600 nfsd
  712   710   710     0  S       -        0xc6715e00 nfsd
  710     1   710     0  Ss      select   0xc09ebb64 nfsd
  708     1   708     0  Ss      select   0xc09ebb64 mountd
  639     1   639     0  Rs                          rpcbind
  604     1   604     0  Rs                          syslogd
  530     1   530     0  Ss      select   0xc09ebb64 devd
   43     0     0     0  RL                          [schedcpu]
   42     0     0     0  DL      sdflush  0xc09f9554 [softdepflush]
   41     0     0     0  RL                          [syncer]
   40     0     0     0  RL                          [vnlru]
   39     0     0     0  DL      psleep   0xc09ec0cc [bufdaemon]
   38     0     0     0  RL                          [pagezero]
   37     0     0     0  DL      psleep   0xc09fa014 [vmdaemon]
   36     0     0     0  DL      psleep   0xc09f9fd0 [pagedaemon]
   35     0     0     0  WL                          [irq1: atkbd0]
   34     0     0     0  DL      -        0xc6560a3c [fdc0]
   33     0     0     0  WL                          [irq7: ppc0]
   32     0     0     0  WL                          [swi0: sio]
---Type <return> to continue, or q <return> to quit---
   31     0     0     0  RL                          [acpi_thermal]
   30     0     0     0  DL      -        0xc651dd00 [em0 taskq]
   29     0     0     0  WL                          [irq20: amr0]
   28     0     0     0  DL      idle     0xc651b000 [aic_recovery1]
   27     0     0     0  WL                          [irq17: ahc1]
   26     0     0     0  DL      idle     0xc651b000 [aic_recovery1]
   25     0     0     0  DL      idle     0xc648a600 [aic_recovery0]
   24     0     0     0  WL                          [irq16: ahc0]
   23     0     0     0  DL      idle     0xc648a600 [aic_recovery0]
   22     0     0     0  WL                          [irq15: ata2]
   21     0     0     0  WL                          [irq14: ata0]
   20     0     0     0  WL                          [irq18: fxp0]
   19     0     0     0  WL                          [irq31: acpi0]
18 0 0 0 WL [swi6: Giant taskq]
   17     0     0     0  WL                          [swi6: task queue]
    9     0     0     0  DL      -        0xc63dfb00 [acpi_task_2]
    8     0     0     0  DL      -        0xc63dfb00 [acpi_task_1]
    7     0     0     0  DL      -        0xc63dfb00 [acpi_task_0]
    6     0     0     0  DL      -        0xc63dfb80 [kqueue taskq]
   16     0     0     0  WL                          [swi2: cambio]
   15     0     0     0  WL                          [swi5: +]
    5     0     0     0  DL      -        0xc63dfe00 [thread taskq]
   14     0     0     0  DL      -        0xc09e1aa0 [yarrow]
---Type <return> to continue, or q <return> to quit---
    4     0     0     0  DL      -        0xc09e45c8 [g_down]
    3     0     0     0  DL      -        0xc09e45c4 [g_up]
    2     0     0     0  DL      -        0xc09e45bc [g_event]
   13     0     0     0  WL                          [swi3: vm]
   12     0     0     0  LL     *Giant    0xc6704580 [swi4: clock sio]
   11     0     0     0  WL                          [swi1: net]
   10     0     0     0  RL                          [idle]
    1     0     1     0  SLs     wait     0xc638f000 [init]
    0     0     0     0  WLs                         [swapper]
(kgdb)


--
Frode Nordahl



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