Re: linux-next: Tree for July 17 (debugobjects: bt | btusb | usb related?)

[Sedat Dilek]

On Fri, Jul 20, 2012 at 11:47 AM, Stanislaw Gruszka <sgruszka@xxxxxxxxxx> wrote:
> On Wed, Jul 18, 2012 at 08:06:17PM +0200, Sedat Dilek wrote:
>> On Tue, Jul 17, 2012 at 7:41 AM, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>> > Hi all,
>> >
>> > Changes since 20120716:
>> >
>>
>> Not sure what the root cause of this issue is.
>>
>> I see the following call-trace in linux-next (next-20120717).
>>
>> [   23.431889] ------------[ cut here ]------------
>> [   23.431896] WARNING: at lib/debugobjects.c:261 debug_print_object+0x8e/0xb0()
>> [   23.431897] Hardware name: <HIDDEN>
>> [   23.431901] ODEBUG: free active (active state 0) object type:
>> timer_list hint: delayed_work_timer_fn+0x0/0x40
> There are few delayed works on hci_dev structure, it's hard to say which
> one is not stopped before kfree.
>
>> # CONFIG_DEBUG_OBJECTS_WORK is not set
> If you enable that option, it should show which delayed work is causing trouble.
>

OK, thanks for the explanations & hints!
I will activate that kconfig-option.

FYI: With yesterday's linux-next (next-20120719) I didn't trap into
this regression (same kernel-config + several bootups).

- Sedat -

> Stanislaw
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