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SubjectRe: 2.6.19-rc5-mm2 (end earlier): WARNING at lib/kobject.c:172 kobject_init() on resume from disk
On Wed, 22 Nov 2006 22:07:06 +0100
"Rafael J. Wysocki" <rjw@sisk.pl> wrote:

> Hi,
>
> I get similar traces on every resume from disk on SMP systems:
>
> WARNING at lib/kobject.c:172 kobject_init()
>
> Call Trace:
> [<ffffffff80265559>] dump_trace+0xaa/0x3fd
> [<ffffffff802658e8>] show_trace+0x3c/0x52
> [<ffffffff80265913>] dump_stack+0x15/0x17
> [<ffffffff8031c1ad>] kobject_init+0x3f/0x8a
> [<ffffffff8031c298>] kobject_register+0x1a/0x3e
> [<ffffffff8038e5b4>] sysdev_register+0x5f/0xec
> [<ffffffff8026af39>] mce_create_device+0x79/0x103
> [<ffffffff8026afed>] mce_cpu_callback+0x2a/0xbd
> [<ffffffff8026112f>] notifier_call_chain+0x29/0x3e
> [<ffffffff8028e809>] raw_notifier_call_chain+0x9/0xb
> [<ffffffff80299f18>] _cpu_up+0xc2/0xd5
> [<ffffffff80299f56>] cpu_up+0x2b/0x42
> [<ffffffff80299fbb>] enable_nonboot_cpus+0x4e/0x9b
> [<ffffffff802a35da>] snapshot_ioctl+0x1a0/0x5d2
> [<ffffffff8023d9cd>] do_ioctl+0x5e/0x77
> [<ffffffff8022d785>] vfs_ioctl+0x256/0x273
> [<ffffffff8024770b>] sys_ioctl+0x5f/0x82
> [<ffffffff8025811e>] system_call+0x7e/0x83
> DWARF2 unwinder stuck at system_call+0x7e/0x83
> Leftover inexact backtrace:
>
> False positive?
>

Don't know. The changelog in
http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/gregkh-01-driver/kobject-warn.patch
is pretty pathetic.

Perhaps mce_remove_device() isn't being called.

<wonders why mce_remove_device() isn't __cpuinit too>
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