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2.6.25-rc1-sha1: WARNING: at lib/kref.c:43 kref_get+0x20/0x30()

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From: Alexey Dobriyan <adobriyan@...>
To: <linux-kernel@...>
Subject: 2.6.25-rc1-sha1: WARNING: at lib/kref.c:43 kref_get+0x20/0x30()
Date: Friday, February 15, 2008 - 7:08 am

Booting without SYSFS fills dmesg like this

------------[ cut here ]------------
WARNING: at lib/kref.c:43 kref_get+0x20/0x30()
Modules linked in: loop(+)
Pid: 994, comm: modprobe Tainted: G   M     2.6.25-rc1 #6

Call Trace:
 [<ffffffff802317f4>] warn_on_slowpath+0x64/0x90
 [<ffffffff8028db08>] init_object+0x88/0xa0
 [<ffffffff8028f55e>] __slab_alloc+0xbe/0x550
 [<ffffffff8031aa28>] kvasprintf+0x58/0x90
 [<ffffffff8031874c>] vsnprintf+0x33c/0x6e0
 [<ffffffff8031aa41>] kvasprintf+0x71/0x90
 [<ffffffff8022c597>] hrtick_set+0x77/0x140
 [<ffffffff80314860>] kref_get+0x20/0x30
 [<ffffffff80313932>] kobject_get+0x12/0x20
 [<ffffffff803139f9>] kobject_add_internal+0x49/0xf0
 [<ffffffff80313bb3>] kobject_add_varg+0x73/0x80
 [<ffffffff80313fa4>] kobject_add+0x54/0x80
 [<ffffffff8028ec53>] check_object+0x103/0x230
 [<ffffffff8028db08>] init_object+0x88/0xa0
 [<ffffffff80313744>] kobject_create+0x14/0x40
 [<ffffffff8028fbd3>] kmem_cache_alloc+0xd3/0xe0
 [<ffffffff803136b4>] kobject_init+0x34/0xb0
 [<ffffffff8031375b>] kobject_create+0x2b/0x40
 [<ffffffff8031400c>] kobject_create_and_add+0x3c/0x80
 [<ffffffff8025e137>] load_module+0x1847/0x1970
 [<ffffffff80288800>] alloc_pages_current+0x0/0x90
 [<ffffffff8025e2c2>] sys_init_module+0x62/0x1a0

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Messages in current thread:
2.6.25-rc1-sha1: WARNING: at lib/kref.c:43 kref_get+0x20/0x3..., Alexey Dobriyan, (Fri Feb 15, 7:08 am)
Re: 2.6.25-rc1-sha1: WARNING: at lib/kref.c:43 kref_get+0x20..., Andrew Morton, (Mon Feb 18, 8:59 am)
Re: 2.6.25-rc1-sha1: WARNING: at lib/kref.c:43 kref_get+0x20..., Kay Sievers, (Tue Feb 19, 4:19 am)
Re: 2.6.25-rc1-sha1: WARNING: at lib/kref.c:43 kref_get+0x20..., Alexey Dobriyan, (Tue Feb 19, 8:03 am)
Re: 2.6.25-rc1-sha1: WARNING: at lib/kref.c:43 kref_get+0x20..., Kay Sievers, (Tue Feb 19, 9:10 am)
Re: 2.6.25-rc1-sha1: WARNING: at lib/kref.c:43 kref_get+0x20..., Alexey Dobriyan, (Tue Feb 19, 11:56 am)