Re: boot warnings due to swap: make each swap partition have one address_space

Sasha Levin
2013-01-25T23:37:41Z

On 01/24/2013 11:25 PM, Shaohua Li wrote:
> On Thu, Jan 24, 2013 at 10:45:57PM -0500, Sasha Levin wrote:
>> Hi folks,
>>
>> Commit "swap: make each swap partition have one address_space" is triggering
>> a series of warnings on boot:
>>
>> [ 3.446071] ------------[ cut here ]------------
>> [ 3.446664] WARNING: at lib/debugobjects.c:261 debug_print_object+0x8e/0xb0()
>> [ 3.447715] ODEBUG: init active (active state 0) object type: percpu_counter hint: (null)
>> [ 3.450360] Modules linked in:
>> [ 3.451593] Pid: 1, comm: swapper/0 Tainted: G W 3.8.0-rc4-next-20130124-sasha-00004-g838a1b4 #266
>> [ 3.454508] Call Trace:
>> [ 3.455248] [<ffffffff8110d1bc>] warn_slowpath_common+0x8c/0xc0
>> [ 3.455248] [<ffffffff8110d291>] warn_slowpath_fmt+0x41/0x50
>> [ 3.455248] [<ffffffff81a2bb5e>] debug_print_object+0x8e/0xb0
>> [ 3.455248] [<ffffffff81a2c26b>] __debug_object_init+0x20b/0x290
>> [ 3.455248] [<ffffffff81a2c305>] debug_object_init+0x15/0x20
>> [ 3.455248] [<ffffffff81a3fbed>] __percpu_counter_init+0x6d/0xe0
>> [ 3.455248] [<ffffffff81231bdc>] bdi_init+0x1ac/0x270
>> [ 3.455248] [<ffffffff8618f20b>] swap_setup+0x3b/0x87
>> [ 3.455248] [<ffffffff8618f257>] ? swap_setup+0x87/0x87
>> [ 3.455248] [<ffffffff8618f268>] kswapd_init+0x11/0x7c
>> [ 3.455248] [<ffffffff810020ca>] do_one_initcall+0x8a/0x180
>> [ 3.455248] [<ffffffff86168cfd>] do_basic_setup+0x96/0xb4
>> [ 3.455248] [<ffffffff861685ae>] ? loglevel+0x31/0x31
>> [ 3.455248] [<ffffffff861885cd>] ? sched_init_smp+0x150/0x157
>> [ 3.455248] [<ffffffff86168ded>] kernel_init_freeable+0xd2/0x14c
>> [ 3.455248] [<ffffffff83cade10>] ? rest_init+0x140/0x140
>> [ 3.455248] [<ffffffff83cade19>] kernel_init+0x9/0xf0
>> [ 3.455248] [<ffffffff83d5727c>] ret_from_fork+0x7c/0xb0
>> [ 3.455248] [<ffffffff83cade10>] ? rest_init+0x140/0x140
>> [ 3.455248] ---[ end trace 0b176d5c0f21bffb ]---
>>
>> I haven't looked deeper into it yet, and will do so tomorrow, unless this
>> spew is obvious to anyone.
>
> Does this one help?

[snip]

Yup, it did. Thanks!

Thanks,
Sasha