linux-kernel - Re: [test_power_init] WARNING: CPU: 1 PID: 1 at lib/debugobjects.c:263 debug_print

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Date:	Thu, 6 Aug 2015 15:40:39 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	Fengguang Wu <fengguang.wu@...el.com>
cc:	Anton Vorontsov <cbouatmailru@...il.com>, wfg@...ux.intel.com,
	linux-kernel@...r.kernel.org, LKP <lkp@...org>
Subject: Re: [test_power_init] WARNING: CPU: 1 PID: 1 at lib/debugobjects.c:263
 debug_print_object()

On Fri, 7 Aug 2015, Fengguang Wu wrote:

> [   31.664489] WARNING: CPU: 1 PID: 1 at lib/debugobjects.c:263 debug_print_object+0xfe/0x11d()
> [   31.675198] ODEBUG: free active (active state 0) object type: work_struct hint: power_supply_changed_work+0x0/0x1f7

Ok this is slab independent object validation. No idea what this
means. A free of an active object should be ok. Or is the object somehow
tracked in a different way to be active that prevents its freeing? Has a
refcount or so?

> [   31.760114] kernel BUG at mm/slab.c:2291!

Interrupts not disabled as they ought to be.
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