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Subjectbug: crash in adummy_init()

crash in adummy_init() - allyesconfig bootup.

Ingo

---------------->
Calling initcall 0xc1eb1f7e: adummy_init+0x0/0xb9()
adummy: version 1.0
swapper/1[CPU#0]: BUG in kref_get at lib/kref.c:32
[<c0106273>] show_trace_log_lvl+0x34/0x4a
[<c01063a9>] show_trace+0x2c/0x2e
[<c01063d6>] dump_stack+0x2b/0x2d
[<c0135acb>] __WARN_ON+0x63/0x75
[<c04f0fb9>] kref_get+0x31/0x3c
[<c04f028c>] kobject_get+0x1c/0x22
[<c06e296a>] class_get+0x1d/0x2d
[<c06e33be>] class_device_add+0x52/0x45c
[<c06e37e5>] class_device_register+0x1d/0x21
[<c136b57c>] atm_register_sysfs+0x5a/0xbf
[<c136b11d>] atm_dev_register+0x1e3/0x245
[<c1eb1ff0>] adummy_init+0x72/0xb9
[<c0100567>] init+0x178/0x451
[<c0105feb>] kernel_thread_helper+0x7/0x10
=======================
BUG: unable to handle kernel NULL pointer dereference at virtual address 00000064
printing eip:
c01e318f
*pde = 01fd4001
stopped custom tracer.
Oops: 0000 [#1]
PREEMPT SMP
Modules linked in:
CPU: 0
EIP: 0060:[<c01e318f>] Not tainted VLI
EFLAGS: 00010246 (2.6.19.1-rt16 #495)
EIP is at create_dir+0x14/0x1e4
eax: f76d1374 ebx: f76d1374 ecx: 00000008 edx: 00000000
esi: f76d1440 edi: fffffffe ebp: f7c1ae98 esp: f7c1ae78
ds: 007b es: 007b ss: 0068 preempt: 00000001
Process swapper (pid: 1, ti=f7c1a000 task=f7c2ec50 task.ti=f7c1a000)
Stack: 00000001 c13db5aa c1900e70 00000246 f7c1aea0 f76d1370 f76d1440 fffffffe
f7c1aeb8 c01e33da f76d1370 00000000 f76d1374 f7c1aeb0 00000000 f76d1370
f7c1aee0 c04f0611 f76d1370 c19bfb14 c1900e68 c1bfeb14 f7c1aef0 f76d1368
Call Trace:
[<c0106273>] show_trace_log_lvl+0x34/0x4a
[<c0106332>] show_stack_log_lvl+0xa9/0xb9
[<c010663e>] show_registers+0x1f5/0x290
[<c0106a3b>] die+0x1de/0x2db
[<c13df0fd>] do_page_fault+0x5a3/0x68c
[<c13dd2a9>] error_code+0x39/0x40
[<c01e33da>] sysfs_create_dir+0x7b/0x96
[<c04f0611>] kobject_add+0xcd/0x187
[<c06e3421>] class_device_add+0xb5/0x45c
[<c06e37e5>] class_device_register+0x1d/0x21
[<c136b57c>] atm_register_sysfs+0x5a/0xbf
[<c136b11d>] atm_dev_register+0x1e3/0x245
[<c1eb1ff0>] adummy_init+0x72/0xb9
[<c0100567>] init+0x178/0x451
[<c0105feb>] kernel_thread_helper+0x7/0x10
=======================
Code: 9f ac 00 00 00 c7 87 a4 00 00 00 fc 2b 82 c1 83 c4 0c 5b 5e 5f 5d c3 55 89 e5 57 56 53 83 ec 14 e8 73 bc f3 ff 8b 55 0c 8b 5d 10 <8b> 42 64 89 df 05 cc 00 00 00 e8 ab 89 1f 01 31 c0 83 c9 ff f2
EIP: [<c01e318f>] create_dir+0x14/0x1e4 SS:ESP 0068:f7c1ae78
<0>Kernel panic - not syncing: Attempted to kill init!
[<c0106273>] show_trace_log_lvl+0x34/0x4a
[<c01063a9>] show_trace+0x2c/0x2e
[<c01063d6>] dump_stack+0x2b/0x2d
[<c0134c93>] panic+0x67/0x124
[<c0137a0d>] do_exit+0xb8/0x9ed
[<c0106b30>] die+0x2d3/0x2db
[<c13df0fd>] do_page_fault+0x5a3/0x68c
[<c13dd2a9>] error_code+0x39/0x40
[<c01e33da>] sysfs_create_dir+0x7b/0x96
[<c04f0611>] kobject_add+0xcd/0x187
[<c06e3421>] class_device_add+0xb5/0x45c
[<c06e37e5>] class_device_register+0x1d/0x21
[<c136b57c>] atm_register_sysfs+0x5a/0xbf
[<c136b11d>] atm_dev_register+0x1e3/0x245
[<c1eb1ff0>] adummy_init+0x72/0xb9
[<c0100567>] init+0x178/0x451
[<c0105feb>] kernel_thread_helper+0x7/0x10
=======================

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