Re: ODEBUG: selftest warnings failed 4 != 5 (WARNING: at lib/debugobjects.c:908 check_results.constprop.9)

richard -rw- weinberger
2012-03-01T23:18:40Z

On Sat, Feb 18, 2012 at 3:35 AM, Witold Baryluk
<baryluk@smp.if.uj.edu.pl> wrote:
> Hello everybody,
>
> I recently enabled a CONFIG_DEBUG_OBJECTS kconfig option, and this is what I got when booting
>
> ...
> [    0.000000] Linux version 3.3.0-rc3-t43-devel-smp-00278-g4903062-dirty (baryluk@sredniczarny) (gcc version 4.6.2 (Debian 4.6.2-14) ) #27 SMP Fri Feb 17 20:13:29 CE
> ...
> ...
> ...
> [    0.000000] SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
> [    0.000000] Hierarchical RCU implementation.
> [    0.000000]  RCU debugfs-based tracing is enabled.
> [    0.000000]  RCU lockdep checking is enabled.
> [    0.000000] NR_IRQS:2304 nr_irqs:256 16
> [    0.000000] CPU 0 irqstacks, hard=f5408000 soft=f540a000
> [    0.000000] Extended CMOS year: 2000
> [    0.000000] Console: colour VGA+ 80x25
> [    0.000000] console [tty0] enabled
> [    0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
> [    0.000000] ... MAX_LOCKDEP_SUBCLASSES:  8
> [    0.000000] ... MAX_LOCK_DEPTH:          48
> [    0.000000] ... MAX_LOCKDEP_KEYS:        8191
> [    0.000000] ... CLASSHASH_SIZE:          4096
> [    0.000000] ... MAX_LOCKDEP_ENTRIES:     16384
> [    0.000000] ... MAX_LOCKDEP_CHAINS:      32768
> [    0.000000] ... CHAINHASH_SIZE:          16384
> [    0.000000]  memory used by lock dependency info: 3823 kB
> [    0.000000]  per task-struct memory footprint: 1920 bytes
> [    0.000000] ------------------------
> [    0.000000] | Locking API testsuite:
> ...
> ...
> [    0.000000] -------------------------------------------------------
> [    0.000000] Good, all 218 testcases passed! |
> [    0.000000] ---------------------------------
> [    0.000000] ODEBUG: 14 of 14 active objects replaced
> [    0.000000] ------------[ cut here ]------------
> [    0.000000] WARNING: at lib/debugobjects.c:908 check_results.constprop.9+0x11c/0x140()
> [    0.000000] Hardware name: 2669UYD
> [    0.000000] ODEBUG: selftest warnings failed 4 != 5

This warning is still present.
Andrew?

--
Thanks,
//richard