[PATCH 3/7] s3c-hsudc: add a remove function
Russell King - ARM Linux
linux at arm.linux.org.uk
Sun Dec 18 14:01:02 EST 2011
On Sun, Dec 18, 2011 at 07:50:37PM +0100, Heiko Stübner wrote:
> I didn't get this far. With your patch the Oopses already happen during
> the startup of the system / the loading of the modules.
>
> A bit of the message spew I got during testing with linux-next-20111216:
In some way, this is a good thing because it's showing that there's
problems with kobject lifetime rules.
The #2 and further oops dumps are a result of corrupting the work
queues as a result of #1, so #2 onwards should be ignored.
I suspect if you avoid loading the s3c_hsudc module these will go away.
>
> pgd = c0004000
> [bf05b504] *pgd=379af811, *pte=00000000, *ppte=00000000
> Internal error: Oops: 7 [#1]
> Modules linked in: ohci_hcd leds_s3c24xx usbcore i2c_s3c2410 i2c_core s3c_hsudc
> CPU: 0 Not tainted (3.2.0-rc5-next-20111216+ #32)
> PC is at kobject_put+0x18/0x7c
> LR is at kobject_del+0x64/0x70
> pc : [<c011460c>] lr : [<c01146f4>] psr: a0000013
> sp : c70bdef0 ip : c70bdf10 fp : c70bdf0c
> r10: 00000000 r9 : c0114700 r8 : c7803a00
> r7 : c79257a0 r6 : c02e1de0 r5 : c79a0120 r4 : bf05b4a0
> r3 : 00000001 r2 : 00000000 r1 : 00000000 r0 : bf05b4a0
> Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
> Control: 0005317f Table: 37014000 DAC: 00000017
> Process kworker/0:1 (pid: 16, stack limit = 0xc70bc270)
> Stack: (0xc70bdef0 to 0xc70be000)
> dee0: c79a0100 c79a0120 c02e1de0 c79a0100
> df00: c70bdf24 c70bdf10 c01146f4 c0114604 c01365bc c79a0100 c70bdf4c c70bdf28
> df20: c01147f0 c01146a0 c0136640 c0136590 c79a0120 c785fd00 00000000 00000009
> df40: c70bdf84 c70bdf50 c00318fc c0114710 c02dbf00 c7803a05 c02dbf00 c785fd00
> df60: c02dbf00 c785fd00 00000009 c02dbf00 c785fd10 c70bc000 c70bdfbc c70bdf88
> df80: c0032570 c00316c0 c7839edc c785fd10 c0032364 c70bdfcc c7839edc c785fd00
> dfa0: c0032364 00000000 00000000 00000000 c70bdff4 c70bdfc0 c0037768 c0032374
> dfc0: c7839edc 00000000 c785fd00 00000000 c70bdfd0 c70bdfd0 c7839edc c00376e0
> dfe0: c0021ac0 00000013 00000000 c70bdff8 c0021ac0 c00376f0 00190021 00024ea8
> Backtrace:
> [<c01145f4>] (kobject_put+0x0/0x7c) from [<c01146f4>] (kobject_del+0x64/0x70)
> r4:c79a0100
> [<c0114690>] (kobject_del+0x0/0x70) from [<c01147f0>] (kobject_delayed_cleanup+0xf0/0x198)
> r4:c79a0100
> [<c0114700>] (kobject_delayed_cleanup+0x0/0x198) from [<c00318fc>] (process_one_work+0x24c/0x3a8)
> r7:00000009 r6:00000000 r5:c785fd00 r4:c79a0120
> [<c00316b0>] (process_one_work+0x0/0x3a8) from [<c0032570>] (worker_thread+0x20c/0x428)
> [<c0032364>] (worker_thread+0x0/0x428) from [<c0037768>] (kthread+0x88/0x90)
> [<c00376e0>] (kthread+0x0/0x90) from [<c0021ac0>] (do_exit+0x0/0x670)
> r7:00000013 r6:c0021ac0 r5:c00376e0 r4:c7839edc
> Code: e24cb004 e24dd00c e2504000 0a000013 (e5d43064)
> ---[ end trace ddf7f4f6a0de23b8 ]---
> Unable to handle kernel paging request at virtual address fffffffc
> pgd = c0004000
> [fffffffc] *pgd=37ffe831, *pte=00000000, *ppte=00000000
> Internal error: Oops: 17 [#2]
> Modules linked in: ohci_hcd leds_s3c24xx usbcore i2c_s3c2410 i2c_core s3c_hsudc
> CPU: 0 Tainted: G D (3.2.0-rc5-next-20111216+ #32)
> PC is at kthread_data+0x10/0x18
> LR is at wq_worker_sleeping+0x18/0xbc
> pc : [<c00371c4>] lr : [<c0033974>] psr: 20000093
> sp : c70bdb58 ip : c70bdb68 fp : c70bdb64
> r10: c70bc000 r9 : c70bdb90 r8 : c02dc500
> r7 : c7826000 r6 : c708cb00 r5 : c708cc54 r4 : 00000000
> r3 : 00000000 r2 : c02dc500 r1 : 00000000 r0 : c708cb00
> Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user
> Control: 0005317f Table: 37014000 DAC: 00000015
> Process kworker/0:1 (pid: 16, stack limit = 0xc70bc270)
> Stack: (0xc70bdb58 to 0xc70be000)
> db40: c70bdb7c c70bdb68
> db60: c0033974 c00371c4 c003f760 00000001 c70bdc04 c70bdb80 c0218ebc c003396c
> db80: c0406680 c70b4a40 00000664 c001c678 00000168 00000000 c70bdbcc c70bdba8
> dba0: c008cb78 c008b680 c0034390 c708cb00 c70b8440 00000001 00000000 c70b4a40
> dbc0: c70bdbdc c70bdbd0 c001c678 c708cb00 c70bdc14 c70bdbe0 c0020db4 00000001
> dbe0: c70bdc24 c708cb00 c7826000 c708cbd8 c708caf8 c708cbd8 c70bdc14 c70bdc08
> dc00: c02194cc c0218dfc c70bdc3c c70bdc18 c0022100 c0219468 00000008 00000001
> dc20: c70bdc3c c70bdc24 c70bdc24 c708cc20 c70bdcb4 c70bdc40 c001222c c0021ad0
> dc40: c70bc270 0000000b 7269762f 00000000 65000000 62633432 20343030 64343265
> dc60: 63303064 35326520 30303430 61302030 30303030 28203331 34643565 34363033
> dc80: c0002029 c0217dd8 c027dcbb bf05b504 c70bdea8 00000000 00000007 00000000
> dca0: 00000007 00000000 c70bdcdc c70bdcb8 c0013808 c0011f80 00000000 c02d5ccc
> dcc0: a0000013 c70bdea8 bf05b504 c708cb00 c70bddf4 c70bdce0 c0013b58 c00137a8
> dce0: bf01dfcc bf0200c8 00000000 00000000 c70bddc4 c70bdd00 bf01f58c 00000028
> dd00: c70bdd88 00000004 00000001 c708dbb0 00000000 00000004 00000002 c7a7e5e0
> dd20: c708cb30 00000000 c708dbb0 00000000 c70bdd6c c70bdd40 c0040e34 c0040b20
> dd40: c003f79c c021bf08 c02dc500 c708cb00 000000c3 00000001 00000001 00000001
> dd60: c70bdd8c c70bdd70 c003e080 c0040d74 c003fb2c c708db80 00000000 40000093
> dd80: c70bddac bf0203b0 00000100 c706d378 c70bddc4 c70bdda0 c0118064 c0117e6c
> dda0: 00000001 00000004 00000000 c706d0b0 c02dc500 c706d0b0 00000000 c708cb00
> ddc0: c708cb30 00000001 c706d0b0 c02d5ccc a0000013 00000007 c70bdea8 bf05b504
> dde0: c0114700 00000000 c70bdea4 c70bddf8 c0008634 c0013838 00000003 00000000
> de00: c70bde2c c70bde10 c003e080 c0040d74 c003fb2c c706d080 00000000 80000093
> de20: c70bde4c c70bde30 c003fbc0 c003e05c 00000002 c7a73f70 00000bd3 000003e0
> de40: c70bde70 c0113dc0 c003fbf8 c7a28780 c7a28730 c031fba0 c70bde98 c70bdec8
> de60: c70bde8c c70bde70 c00dda98 c008cabc c7a28780 c7a28780 00020001 c70bde94
> de80: c70bdec4 c011460c a0000013 ffffffff c70bdedc c7803a00 c70bdf0c c70bdea8
> dea0: c000e458 c0008608 bf05b4a0 00000000 00000000 00000001 bf05b4a0 c79a0120
> dec0: c02e1de0 c79257a0 c7803a00 c0114700 00000000 c70bdf0c c70bdf10 c70bdef0
> dee0: c01146f4 c011460c a0000013 ffffffff c79a0100 c79a0120 c02e1de0 c79a0100
> df00: c70bdf24 c70bdf10 c01146f4 c0114604 c01365bc c79a0100 c70bdf4c c70bdf28
> df20: c01147f0 c01146a0 c0136640 c0136590 c79a0120 c785fd00 00000000 00000009
> df40: c70bdf84 c70bdf50 c00318fc c0114710 c02dbf00 c7803a05 c02dbf00 c785fd00
> df60: c02dbf00 c785fd00 00000009 c02dbf00 c785fd10 c70bc000 c70bdfbc c70bdf88
> df80: c0032570 c00316c0 c7839edc c785fd10 c0032364 c70bdfcc c7839edc c785fd00
> dfa0: c0032364 00000000 00000000 00000000 c70bdff4 c70bdfc0 c0037768 c0032374
> dfc0: c7839edc 00000000 c785fd00 00000001 c70bdfd0 c70bdfd0 c7839edc c00376e0
> dfe0: c0021ac0 00000013 00000000 c70bdff8 c0021ac0 c00376f0 00190021 00024ea8
> Backtrace:
> [<c00371b4>] (kthread_data+0x0/0x18) from [<c0033974>] (wq_worker_sleeping+0x18/0xbc)
> [<c003395c>] (wq_worker_sleeping+0x0/0xbc) from [<c0218ebc>] (__schedule+0xd0/0x37c)
> r4:00000001
> [<c0218dec>] (__schedule+0x0/0x37c) from [<c02194cc>] (schedule+0x74/0x78)
> [<c0219458>] (schedule+0x0/0x78) from [<c0022100>] (do_exit+0x640/0x670)
> [<c0021ac0>] (do_exit+0x0/0x670) from [<c001222c>] (die+0x2bc/0x2fc)
> [<c0011f70>] (die+0x0/0x2fc) from [<c0013808>] (__do_kernel_fault+0x70/0x90)
> [<c0013798>] (__do_kernel_fault+0x0/0x90) from [<c0013b58>] (do_page_fault+0x330/0x354)
> r8:c708cb00 r7:bf05b504 r6:c70bdea8 r5:a0000013 r4:c02d5ccc
> [<c0013828>] (do_page_fault+0x0/0x354) from [<c0008634>] (do_DataAbort+0x3c/0x9c)
> [<c00085f8>] (do_DataAbort+0x0/0x9c) from [<c000e458>] (__dabt_svc+0x38/0x60)
> Exception stack(0xc70bdea8 to 0xc70bdef0)
> dea0: bf05b4a0 00000000 00000000 00000001 bf05b4a0 c79a0120
> dec0: c02e1de0 c79257a0 c7803a00 c0114700 00000000 c70bdf0c c70bdf10 c70bdef0
> dee0: c01146f4 c011460c a0000013 ffffffff
> r8:c7803a00 r7:c70bdedc r6:ffffffff r5:a0000013 r4:c011460c
> [<c01145f4>] (kobject_put+0x0/0x7c) from [<c01146f4>] (kobject_del+0x64/0x70)
> r4:c79a0100
> [<c0114690>] (kobject_del+0x0/0x70) from [<c01147f0>] (kobject_delayed_cleanup+0xf0/0x198)
> r4:c79a0100
> [<c0114700>] (kobject_delayed_cleanup+0x0/0x198) from [<c00318fc>] (process_one_work+0x24c/0x3a8)
> r7:00000009 r6:00000000 r5:c785fd00 r4:c79a0120
> [<c00316b0>] (process_one_work+0x0/0x3a8) from [<c0032570>] (worker_thread+0x20c/0x428)
> [<c0032364>] (worker_thread+0x0/0x428) from [<c0037768>] (kthread+0x88/0x90)
> [<c00376e0>] (kthread+0x0/0x90) from [<c0021ac0>] (do_exit+0x0/0x670)
> r7:00000013 r6:c0021ac0 r5:c00376e0 r4:c7839edc
> Code: e1a0c00d e92dd800 e24cb004 e5903128 (e5130004)
> ---[ end trace ddf7f4f6a0de23b9 ]---
> Fixing recursive fault but reboot is needed!
> Unable to handle kernel paging request at virtual address fffffffc
> pgd = c0004000
> [fffffffc] *pgd=37ffe831, *pte=00000000, *ppte=00000000
> Internal error: Oops: 17 [#3]
> Modules linked in: ohci_hcd leds_s3c24xx usbcore i2c_s3c2410 i2c_core s3c_hsudc
> CPU: 0 Tainted: G D (3.2.0-rc5-next-20111216+ #32)
> PC is at kthread_data+0x10/0x18
> LR is at wq_worker_sleeping+0x18/0xbc
> pc : [<c00371c4>] lr : [<c0033974>] psr: 20000093
> sp : c70bd7c0 ip : c70bd7d0 fp : c70bd7cc
> r10: c70bc000 r9 : c70bd7f8 r8 : c02dc500
> r7 : c00371c8 r6 : c708cb00 r5 : c708cc54 r4 : 00000000
> r3 : 00000000 r2 : c02dc500 r1 : 00000000 r0 : c708cb00
> Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user
> Control: 0005317f Table: 37014000 DAC: 00000015
> Process kworker/0:1 (pid: 16, stack limit = 0xc70bc270)
> Stack: (0xc70bd7c0 to 0xc70be000)
> d7c0: c70bd7e4 c70bd7d0 c0033974 c00371c4 c003f760 0000000b c70bd86c c70bd7e8
> d7e0: c0218ebc c003396c c0023cdc 60000013 ffffffff 60000013 c70bd824 c70bd808
> d800: c005681c c0056718 0000001e 00000000 f6000000 c70bd894 c70bd834 c70bd828
> d820: c0023e4c c00567c0 00000001 000bd838 00000004 0000000b c00371c6 c708cb00
> d840: c00371c8 0000000b c00371c6 c708cb00 c00371c8 00000000 00000008 bf000000
> d860: c70bd87c c70bd870 c02194cc c0218dfc c70bd8a4 c70bd880 c0021bd4 c0219468
> d880: 00000008 bf000000 c70bd8a4 c70bd898 c001e49c c001e99c c70bd91c c70bd8a8
> d8a0: c001222c c0021ad0 c70bc270 0000000b 028959e4 00000000 65000000 63306131
> d8c0: 20643030 64323965 30303864 34326520 30306263 35652034 31333039 28203832
> d8e0: 33313565 34303030 c0002029 c0217dd8 c027dcbb fffffffc c70bdb10 00000000
> d900: 00000017 00000000 00000017 00000000 c70bd944 c70bd920 c0013808 c0011f80
> d920: c0275aa3 c02d5ccc 20000093 c70bdb10 fffffffc c708cb00 c70bda5c c70bd948
> d940: c0013b58 c00137a8 c011b37c c027a96d 00000000 00000670 c70bd9a9 0002340f
> d960: c70bd994 00000028 c011a208 c0118ee8 c014b004 c03102e3 c03106b0 c03106b0
> d980: c0275aa2 c03106b0 c70bda9c c70bd9a0 c011a584 c011a1d8 c011a550 ff0a0005
> d9a0: ffffffff c70bd9b0 5f6f6474 74697865 3078302b 3678302f 30003037 38323478
> d9c0: 00003800 31780038 00003839 c70bd9d8 c001e818 c001e70c 00001e0c 00001e0c
> d9e0: c70bda1c c70bd9f0 c001f008 c003bd00 00000000 00000000 00000000 0000001f
> da00: c70bda72 c03102b2 00000004 00000000 1b478423 c70bda50 c70bda24 c01198cc
> da20: c01196d0 65300020 c70bda72 c03102b2 0000ffff c02d5ccc 20000093 00000017
> da40: c70bdb10 fffffffc c70bdb90 c70bc000 c70bdb0c c70bda60 c0008634 c0013838
> da60: c70bda84 c70bdaae c70bdb97 0000ffff 00000002 00000000 c0281b48 00000007
> da80: c70bdb1c c70bda90 c0119ab8 c7826580 00000001 00000007 00000001 c78265b0
> daa0: c02dc500 c78265b0 00000000 c708cb00 c708cb30 00000000 c78265b0 00000000
> dac0: c70bdafc c70bdad0 c0040e5c c003e004 c003f79c c021bf08 c02dc500 c708cb00
> dae0: c7826000 c02dc500 c70bdb90 c00371c4 20000093 ffffffff c70bdb44 c02dc500
> db00: c70bdb64 c70bdb10 c000e458 c0008608 c708cb00 00000000 c02dc500 00000000
> db20: 00000000 c708cc54 c708cb00 c7826000 c02dc500 c70bdb90 c70bc000 c70bdb64
> db40: c70bdb68 c70bdb58 c0033974 c00371c4 20000093 ffffffff c70bdb7c c70bdb68
> db60: c0033974 c00371c4 c003f760 00000001 c70bdc04 c70bdb80 c0218ebc c003396c
> db80: c0406680 c70b4a40 00000664 c001c678 00000168 00000000 c70bdbcc c70bdba8
> dba0: c008cb78 c008b680 c0034390 c708cb00 c70b8440 00000001 00000000 c70b4a40
> dbc0: c70bdbdc c70bdbd0 c001c678 c708cb00 c70bdc14 c70bdbe0 c0020db4 00000001
> dbe0: c70bdc24 c708cb00 c7826000 c708cbd8 c708caf8 c708cbd8 c70bdc14 c70bdc08
> dc00: c02194cc c0218dfc c70bdc3c c70bdc18 c0022100 c0219468 00000008 00000001
> dc20: c70bdc3c c70bdc24 c70bdc24 c708cc20 c70bdcb4 c70bdc40 c001222c c0021ad0
> dc40: c70bc270 0000000b 7269762f 00000000 65000000 62633432 20343030 64343265
> dc60: 63303064 35326520 30303430 61302030 30303030 28203331 34643565 34363033
> dc80: c0002029 c0217dd8 c027dcbb bf05b504 c70bdea8 00000000 00000007 00000000
> dca0: 00000007 00000000 c70bdcdc c70bdcb8 c0013808 c0011f80 00000000 c02d5ccc
> dcc0: a0000013 c70bdea8 bf05b504 c708cb00 c70bddf4 c70bdce0 c0013b58 c00137a8
> dce0: bf01dfcc bf0200c8 00000000 00000000 c70bddc4 c70bdd00 bf01f58c 00000028
> dd00: c70bdd88 00000004 00000001 c708dbb0 00000000 00000004 00000002 c7a7e5e0
> dd20: c708cb30 00000000 c708dbb0 00000000 c70bdd6c c70bdd40 c0040e34 c0040b20
> dd40: c003f79c c021bf08 c02dc500 c708cb00 000000c3 00000001 00000001 00000001
> dd60: c70bdd8c c70bdd70 c003e080 c0040d74 c003fb2c c708db80 00000000 40000093
> dd80: c70bddac bf0203b0 00000100 c706d378 c70bddc4 c70bdda0 c0118064 c0117e6c
> dda0: 00000001 00000004 00000000 c706d0b0 c02dc500 c706d0b0 00000000 c708cb00
> ddc0: c708cb30 00000001 c706d0b0 c02d5ccc a0000013 00000007 c70bdea8 bf05b504
> dde0: c0114700 00000000 c70bdea4 c70bddf8 c0008634 c0013838 00000003 00000000
> de00: c70bde2c c70bde10 c003e080 c0040d74 c003fb2c c706d080 00000000 80000093
> de20: c70bde4c c70bde30 c003fbc0 c003e05c 00000002 c7a73f70 00000bd3 000003e0
> de40: c70bde70 c0113dc0 c003fbf8 c7a28780 c7a28730 c031fba0 c70bde98 c70bdec8
> de60: c70bde8c c70bde70 c00dda98 c008cabc c7a28780 c7a28780 00020001 c70bde94
> de80: c70bdec4 c011460c a0000013 ffffffff c70bdedc c7803a00 c70bdf0c c70bdea8
> dea0: c000e458 c0008608 bf05b4a0 00000000 00000000 00000001 bf05b4a0 c79a0120
> dec0: c02e1de0 c79257a0 c7803a00 c0114700 00000000 c70bdf0c c70bdf10 c70bdef0
> dee0: c01146f4 c011460c a0000013 ffffffff c79a0100 c79a0120 c02e1de0 c79a0100
> df00: c70bdf24 c70bdf10 c01146f4 c0114604 c01365bc c79a0100 c70bdf4c c70bdf28
> df20: c01147f0 c01146a0 c0136640 c0136590 c79a0120 c785fd00 00000000 00000009
> df40: c70bdf84 c70bdf50 c00318fc c0114710 c02dbf00 c7803a05 c02dbf00 c785fd00
> df60: c02dbf00 c785fd00 00000009 c02dbf00 c785fd10 c70bc000 c70bdfbc c70bdf88
> df80: c0032570 c00316c0 c7839edc c785fd10 c0032364 c70bdfcc c7839edc c785fd00
> dfa0: c0032364 00000000 00000000 00000000 c70bdff4 c70bdfc0 c0037768 c0032374
> dfc0: c7839edc 00000000 c785fd00 00000001 c70bdfd0 c70bdfd0 c7839edc c00376e0
> dfe0: c0021ac0 00000013 00000000 c70bdff8 c0021ac0 c00376f0 00190021 00024ea8
> Backtrace:
> [<c00371b4>] (kthread_data+0x0/0x18) from [<c0033974>] (wq_worker_sleeping+0x18/0xbc)
> [<c003395c>] (wq_worker_sleeping+0x0/0xbc) from [<c0218ebc>] (__schedule+0xd0/0x37c)
> r4:0000000b
> [<c0218dec>] (__schedule+0x0/0x37c) from [<c02194cc>] (schedule+0x74/0x78)
> [<c0219458>] (schedule+0x0/0x78) from [<c0021bd4>] (do_exit+0x114/0x670)
> [<c0021ac0>] (do_exit+0x0/0x670) from [<c001222c>] (die+0x2bc/0x2fc)
> [<c0011f70>] (die+0x0/0x2fc) from [<c0013808>] (__do_kernel_fault+0x70/0x90)
> [<c0013798>] (__do_kernel_fault+0x0/0x90) from [<c0013b58>] (do_page_fault+0x330/0x354)
> r8:c708cb00 r7:fffffffc r6:c70bdb10 r5:20000093 r4:c02d5ccc
> [<c0013828>] (do_page_fault+0x0/0x354) from [<c0008634>] (do_DataAbort+0x3c/0x9c)
> [<c00085f8>] (do_DataAbort+0x0/0x9c) from [<c000e458>] (__dabt_svc+0x38/0x60)
> Exception stack(0xc70bdb10 to 0xc70bdb58)
> db00: c708cb00 00000000 c02dc500 00000000
> db20: 00000000 c708cc54 c708cb00 c7826000 c02dc500 c70bdb90 c70bc000 c70bdb64
> db40: c70bdb68 c70bdb58 c0033974 c00371c4 20000093 ffffffff
> r8:c02dc500 r7:c70bdb44 r6:ffffffff r5:20000093 r4:c00371c4
> [<c00371b4>] (kthread_data+0x0/0x18) from [<c0033974>] (wq_worker_sleeping+0x18/0xbc)
> [<c003395c>] (wq_worker_sleeping+0x0/0xbc) from [<c0218ebc>] (__schedule+0xd0/0x37c)
> r4:00000001
> [<c0218dec>] (__schedule+0x0/0x37c) from [<c02194cc>] (schedule+0x74/0x78)
> [<c0219458>] (schedule+0x0/0x78) from [<c0022100>] (do_exit+0x640/0x670)
> [<c0021ac0>] (do_exit+0x0/0x670) from [<c001222c>] (die+0x2bc/0x2fc)
> [<c0011f70>] (die+0x0/0x2fc) from [<c0013808>] (__do_kernel_fault+0x70/0x90)
> [<c0013798>] (__do_kernel_fault+0x0/0x90) from [<c0013b58>] (do_page_fault+0x330/0x354)
> r8:c708cb00 r7:bf05b504 r6:c70bdea8 r5:a0000013 r4:c02d5ccc
> [<c0013828>] (do_page_fault+0x0/0x354) from [<c0008634>] (do_DataAbort+0x3c/0x9c)
> [<c00085f8>] (do_DataAbort+0x0/0x9c) from [<c000e458>] (__dabt_svc+0x38/0x60)
> Exception stack(0xc70bdea8 to 0xc70bdef0)
> dea0: bf05b4a0 00000000 00000000 00000001 bf05b4a0 c79a0120
> dec0: c02e1de0 c79257a0 c7803a00 c0114700 00000000 c70bdf0c c70bdf10 c70bdef0
> dee0: c01146f4 c011460c a0000013 ffffffff
> r8:c7803a00 r7:c70bdedc r6:ffffffff r5:a0000013 r4:c011460c
> [<c01145f4>] (kobject_put+0x0/0x7c) from [<c01146f4>] (kobject_del+0x64/0x70)
> r4:c79a0100
> [<c0114690>] (kobject_del+0x0/0x70) from [<c01147f0>] (kobject_delayed_cleanup+0xf0/0x198)
> r4:c79a0100
> [<c0114700>] (kobject_delayed_cleanup+0x0/0x198) from [<c00318fc>] (process_one_work+0x24c/0x3a8)
> r7:00000009 r6:00000000 r5:c785fd00 r4:c79a0120
> [<c00316b0>] (process_one_work+0x0/0x3a8) from [<c0032570>] (worker_thread+0x20c/0x428)
> [<c0032364>] (worker_thread+0x0/0x428) from [<c0037768>] (kthread+0x88/0x90)
> [<c00376e0>] (kthread+0x0/0x90) from [<c0021ac0>] (do_exit+0x0/0x670)
> r7:00000013 r6:c0021ac0 r5:c00376e0 r4:c7839edc
> Code: e1a0c00d e92dd800 e24cb004 e5903128 (e5130004)
> ---[ end trace ddf7f4f6a0de23ba ]---
> Fixing recursive fault but reboot is needed!
> Unable to handle kernel paging request at virtual address fffffffc
> pgd = c0004000
> [fffffffc] *pgd=37ffe831, *pte=00000000, *ppte=00000000
> Internal error: Oops: 17 [#4]
> Modules linked in: ohci_hcd leds_s3c24xx usbcore i2c_s3c2410 i2c_core s3c_hsudc
> CPU: 0 Tainted: G D (3.2.0-rc5-next-20111216+ #32)
> PC is at kthread_data+0x10/0x18
> LR is at wq_worker_sleeping+0x18/0xbc
> pc : [<c00371c4>] lr : [<c0033974>] psr: 20000093
> sp : c70bd428 ip : c70bd438 fp : c70bd434
> r10: c70bc000 r9 : c70bd460 r8 : c02dc500
> r7 : c00371c8 r6 : c708cb00 r5 : c708cc54 r4 : 00000000
> r3 : 00000000 r2 : c02dc500 r1 : 00000000 r0 : c708cb00
> Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user
> Control: 0005317f Table: 37014000 DAC: 00000015
> Process kworker/0:1 (pid: 16, stack limit = 0xc70bc270)
> Stack: (0xc70bd428 to 0xc70be000)
> d420: c70bd44c c70bd438 c0033974 c00371c4 c003f760 0000000b
> d440: c70bd4d4 c70bd450 c0218ebc c003396c c0023cdc 60000013 ffffffff 60000013
> d460: c70bd48c c70bd470 c005681c c0056718 0000001e 00000000 f6000000 c70bd4fc
> d480: c70bd49c c70bd490 c0023e4c c00567c0 00000001 000bd4a0 00000004 0000000b
> d4a0: c00371c6 c708cb00 c00371c8 0000000b c00371c6 c708cb00 c00371c8 00000000
> d4c0: 00000008 bf000000 c70bd4e4 c70bd4d8 c02194cc c0218dfc c70bd50c c70bd4e8
> d4e0: c0021bd4 c0219468 00000008 bf000000 c70bd50c c70bd500 c001e49c c001e99c
> d500: c70bd584 c70bd510 c001222c c0021ad0 c70bc270 0000000b 00003164 00000000
> d520: 65000000 63306131 20643030 64323965 30303864 34326520 30306263 35652034
> d540: 31333039 28203832 33313565 34303030 c0002029 c0217dd8 c027dcbb fffffffc
> d560: c70bd778 00000000 00000017 00000000 00000017 00000000 c70bd5ac c70bd588
> d580: c0013808 c0011f80 c0275aa3 c02d5ccc 20000093 c70bd778 fffffffc c708cb00
> d5a0: c70bd6c4 c70bd5b0 c0013b58 c00137a8 c011b37c c027a96d 00000000 00000670
> d5c0: c70bd611 00000030 c70bd5fc 00000028 c011a208 c0118ee8 c014b004 c03102e3
> d5e0: c03106b0 c03106b0 c0275aa2 c03106b0 c70bd704 c70bd608 c011a584 c011a1d8
> d600: c011a550 ff0a0005 ffffffff c70bd618 5f6f6474 74697865 3078302b 3678302f
> d620: 30003037 38323478 00003800 31780038 c70bc000 00000000 005b8d80 00000000
> d640: c708cb30 c70bd7cc c70bd67c c70bd658 c0040818 c00406b4 00000c00 00155555
> d660: c02dfe08 c02dfd74 c70bc000 c708cb30 c70bd69c c70bd674 c70bd674 c708cb00
> d680: c70bd7cc c02ddbb0 c031e888 c70bc000 00000000 c708cb00 c70bd7cc c02d5ccc
> d6a0: 20000093 00000017 c70bd778 fffffffc c70bd7f8 c70bc000 c70bd774 c70bd6c8
> d6c0: c0008634 c0013838 c70bd724 c70bd6d8 c0028b4c c003aa98 00000001 00000001
> d6e0: c02ddbb0 c70bd6f0 c031122c c031102c c70bd6f0 c70bd6f0 00000010 00000001
> d700: 00000100 c70bc000 00000004 00000001 00000001 00000100 c70bd75c 0000002c
> d720: c70bd754 c70bd730 c014b004 c014dc28 c70bd75c c02e6290 00003cd6 0000002d
> d740: c02daa48 c02daa50 c70bd764 c70bd758 c014e9ac c00371c4 20000093 ffffffff
> d760: c70bd7ac c02dc500 c70bd7cc c70bd778 c000e458 c0008608 c708cb00 00000000
> d780: c02dc500 00000000 00000000 c708cc54 c708cb00 c00371c8 c02dc500 c70bd7f8
> d7a0: c70bc000 c70bd7cc c70bd7d0 c70bd7c0 c0033974 c00371c4 20000093 ffffffff
> d7c0: c70bd7e4 c70bd7d0 c0033974 c00371c4 c003f760 0000000b c70bd86c c70bd7e8
> d7e0: c0218ebc c003396c c0023cdc 60000013 ffffffff 60000013 c70bd824 c70bd808
> d800: c005681c c0056718 0000001e 00000000 f6000000 c70bd894 c70bd834 c70bd828
> d820: c0023e4c c00567c0 00000001 000bd838 00000004 0000000b c00371c6 c708cb00
> d840: c00371c8 0000000b c00371c6 c708cb00 c00371c8 00000000 00000008 bf000000
> d860: c70bd87c c70bd870 c02194cc c0218dfc c70bd8a4 c70bd880 c0021bd4 c0219468
> d880: 00000008 bf000000 c70bd8a4 c70bd898 c001e49c c001e99c c70bd91c c70bd8a8
> d8a0: c001222c c0021ad0 c70bc270 0000000b 028959e4 00000000 65000000 63306131
> d8c0: 20643030 64323965 30303864 34326520 30306263 35652034 31333039 28203832
> d8e0: 33313565 34303030 c0002029 c0217dd8 c027dcbb fffffffc c70bdb10 00000000
> d900: 00000017 00000000 00000017 00000000 c70bd944 c70bd920 c0013808 c0011f80
> d920: c0275aa3 c02d5ccc 20000093 c70bdb10 fffffffc c708cb00 c70bda5c c70bd948
> d940: c0013b58 c00137a8 c011b37c c027a96d 00000000 00000670 c70bd9a9 0002340f
> d960: c70bd994 00000028 c011a208 c0118ee8 c014b004 c03102e3 c03106b0 c03106b0
> d980: c0275aa2 c03106b0 c70bda9c c70bd9a0 c011a584 c011a1d8 c011a550 ff0a0005
> d9a0: ffffffff c70bd9b0 5f6f6474 74697865 3078302b 3678302f 30003037 38323478
> d9c0: 00003800 31780038 00003839 c70bd9d8 c001e818 c001e70c 00001e0c 00001e0c
> d9e0: c70bda1c c70bd9f0 c001f008 c003bd00 00000000 00000000 00000000 0000001f
> da00: c70bda72 c03102b2 00000004 00000000 1b478423 c70bda50 c70bda24 c01198cc
> da20: c01196d0 65300020 c70bda72 c03102b2 0000ffff c02d5ccc 20000093 00000017
> da40: c70bdb10 fffffffc c70bdb90 c70bc000 c70bdb0c c70bda60 c0008634 c0013838
> da60: c70bda84 c70bdaae c70bdb97 0000ffff 00000002 00000000 c0281b48 00000007
> da80: c70bdb1c c70bda90 c0119ab8 c7826580 00000001 00000007 00000001 c78265b0
> daa0: c02dc500 c78265b0 00000000 c708cb00 c708cb30 00000000 c78265b0 00000000
> dac0: c70bdafc c70bdad0 c0040e5c c003e004 c003f79c c021bf08 c02dc500 c708cb00
> dae0: c7826000 c02dc500 c70bdb90 c00371c4 20000093 ffffffff c70bdb44 c02dc500
> db00: c70bdb64 c70bdb10 c000e458 c0008608 c708cb00 00000000 c02dc500 00000000
> db20: 00000000 c708cc54 c708cb00 c7826000 c02dc500 c70bdb90 c70bc000 c70bdb64
> db40: c70bdb68 c70bdb58 c0033974 c00371c4 20000093 ffffffff c70bdb7c c70bdb68
> db60: c0033974 c00371c4 c003f760 00000001 c70bdc04 c70bdb80 c0218ebc c003396c
> db80: c0406680 c70b4a40 00000664 c001c678 00000168 00000000 c70bdbcc c70bdba8
> dba0: c008cb78 c008b680 c0034390 c708cb00 c70b8440 00000001 00000000 c70b4a40
> dbc0: c70bdbdc c70bdbd0 c001c678 c708cb00 c70bdc14 c70bdbe0 c0020db4 00000001
> dbe0: c70bdc24 c708cb00 c7826000 c708cbd8 c708caf8 c708cbd8 c70bdc14 c70bdc08
> dc00: c02194cc c0218dfc c70bdc3c c70bdc18 c0022100 c0219468 00000008 00000001
> dc20: c70bdc3c c70bdc24 c70bdc24 c708cc20 c70bdcb4 c70bdc40 c001222c c0021ad0
> dc40: c70bc270 0000000b 7269762f 00000000 65000000 62633432 20343030 64343265
> dc60: 63303064 35326520 30303430 61302030 30303030 28203331 34643565 34363033
> dc80: c0002029 c0217dd8 c027dcbb bf05b504 c70bdea8 00000000 00000007 00000000
> dca0: 00000007 00000000 c70bdcdc c70bdcb8 c0013808 c0011f80 00000000 c02d5ccc
> dcc0: a0000013 c70bdea8 bf05b504 c708cb00 c70bddf4 c70bdce0 c0013b58 c00137a8
> dce0: bf01dfcc bf0200c8 00000000 00000000 c70bddc4 c70bdd00 bf01f58c 00000028
> dd00: c70bdd88 00000004 00000001 c708dbb0 00000000 00000004 00000002 c7a7e5e0
> dd20: c708cb30 00000000 c708dbb0 00000000 c70bdd6c c70bdd40 c0040e34 c0040b20
> dd40: c003f79c c021bf08 c02dc500 c708cb00 000000c3 00000001 00000001 00000001
> dd60: c70bdd8c c70bdd70 c003e080 c0040d74 c003fb2c c708db80 00000000 40000093
> dd80: c70bddac bf0203b0 00000100 c706d378 c70bddc4 c70bdda0 c0118064 c0117e6c
> dda0: 00000001 00000004 00000000 c706d0b0 c02dc500 c706d0b0 00000000 c708cb00
> ddc0: c708cb30 00000001 c706d0b0 c02d5ccc a0000013 00000007 c70bdea8 bf05b504
> dde0: c0114700 00000000 c70bdea4 c70bddf8 c0008634 c0013838 00000003 00000000
> de00: c70bde2c c70bde10 c003e080 c0040d74 c003fb2c c706d080 00000000 80000093
> de20: c70bde4c c70bde30 c003fbc0 c003e05c 00000002 c7a73f70 00000bd3 000003e0
> de40: c70bde70 c0113dc0 c003fbf8 c7a28780 c7a28730 c031fba0 c70bde98 c70bdec8
> de60: c70bde8c c70bde70 c00dda98 c008cabc c7a28780 c7a28780 00020001 c70bde94
> de80: c70bdec4 c011460c a0000013 ffffffff c70bdedc c7803a00 c70bdf0c c70bdea8
> dea0: c000e458 c0008608 bf05b4a0 00000000 00000000 00000001 bf05b4a0 c79a0120
> dec0: c02e1de0 c79257a0 c7803a00 c0114700 00000000 c70bdf0c c70bdf10 c70bdef0
> dee0: c01146f4 c011460c a0000013 ffffffff c79a0100 c79a0120 c02e1de0 c79a0100
> df00: c70bdf24 c70bdf10 c01146f4 c0114604 c01365bc c79a0100 c70bdf4c c70bdf28
> df20: c01147f0 c01146a0 c0136640 c0136590 c79a0120 c785fd00 00000000 00000009
> df40: c70bdf84 c70bdf50 c00318fc c0114710 c02dbf00 c7803a05 c02dbf00 c785fd00
> df60: c02dbf00 c785fd00 00000009 c02dbf00 c785fd10 c70bc000 c70bdfbc c70bdf88
> df80: c0032570 c00316c0 c7839edc c785fd10 c0032364 c70bdfcc c7839edc c785fd00
> dfa0: c0032364 00000000 00000000 00000000 c70bdff4 c70bdfc0 c0037768 c0032374
> dfc0: c7839edc 00000000 c785fd00 00000001 c70bdfd0 c70bdfd0 c7839edc c00376e0
> dfe0: c0021ac0 00000013 00000000 c70bdff8 c0021ac0 c00376f0 00190021 00024ea8
> Backtrace:
> [<c00371b4>] (kthread_data+0x0/0x18) from [<c0033974>] (wq_worker_sleeping+0x18/0xbc)
> [<c003395c>] (wq_worker_sleeping+0x0/0xbc) from [<c0218ebc>] (__schedule+0xd0/0x37c)
> r4:0000000b
> [<c0218dec>] (__schedule+0x0/0x37c) from [<c02194cc>] (schedule+0x74/0x78)
> [<c0219458>] (schedule+0x0/0x78) from [<c0021bd4>] (do_exit+0x114/0x670)
> [<c0021ac0>] (do_exit+0x0/0x670) from [<c001222c>] (die+0x2bc/0x2fc)
> [<c0011f70>] (die+0x0/0x2fc) from [<c0013808>] (__do_kernel_fault+0x70/0x90)
> [<c0013798>] (__do_kernel_fault+0x0/0x90) from [<c0013b58>] (do_page_fault+0x330/0x354)
> r8:c708cb00 r7:fffffffc r6:c70bd778 r5:20000093 r4:c02d5ccc
> [<c0013828>] (do_page_fault+0x0/0x354) from [<c0008634>] (do_DataAbort+0x3c/0x9c)
> [<c00085f8>] (do_DataAbort+0x0/0x9c) from [<c000e458>] (__dabt_svc+0x38/0x60)
> Exception stack(0xc70bd778 to 0xc70bd7c0)
> d760: c708cb00 00000000
> d780: c02dc500 00000000 00000000 c708cc54 c708cb00 c00371c8 c02dc500 c70bd7f8
> d7a0: c70bc000 c70bd7cc c70bd7d0 c70bd7c0 c0033974 c00371c4 20000093 ffffffff
> r8:c02dc500 r7:c70bd7ac r6:ffffffff r5:20000093 r4:c00371c4
> [<c00371b4>] (kthread_data+0x0/0x18) from [<c0033974>] (wq_worker_sleeping+0x18/0xbc)
> [<c003395c>] (wq_worker_sleeping+0x0/0xbc) from [<c0218ebc>] (__schedule+0xd0/0x37c)
> r4:0000000b
> [<c0218dec>] (__schedule+0x0/0x37c) from [<c02194cc>] (schedule+0x74/0x78)
> [<c0219458>] (schedule+0x0/0x78) from [<c0021bd4>] (do_exit+0x114/0x670)
> [<c0021ac0>] (do_exit+0x0/0x670) from [<c001222c>] (die+0x2bc/0x2fc)
> [<c0011f70>] (die+0x0/0x2fc) from [<c0013808>] (__do_kernel_fault+0x70/0x90)
> [<c0013798>] (__do_kernel_fault+0x0/0x90) from [<c0013b58>] (do_page_fault+0x330/0x354)
> r8:c708cb00 r7:fffffffc r6:c70bdb10 r5:20000093 r4:c02d5ccc
> [<c0013828>] (do_page_fault+0x0/0x354) from [<c0008634>] (do_DataAbort+0x3c/0x9c)
> [<c00085f8>] (do_DataAbort+0x0/0x9c) from [<c000e458>] (__dabt_svc+0x38/0x60)
> Exception stack(0xc70bdb10 to 0xc70bdb58)
> db00: c708cb00 00000000 c02dc500 00000000
> db20: 00000000 c708cc54 c708cb00 c7826000 c02dc500 c70bdb90 c70bc000 c70bdb64
> db40: c70bdb68 c70bdb58 c0033974 c00371c4 20000093 ffffffff
> r8:c02dc500 r7:c70bdb44 r6:ffffffff r5:20000093 r4:c00371c4
> [<c00371b4>] (kthread_data+0x0/0x18) from [<c0033974>] (wq_worker_sleeping+0x18/0xbc)
> [<c003395c>] (wq_worker_sleeping+0x0/0xbc) from [<c0218ebc>] (__schedule+0xd0/0x37c)
> r4:00000001
> [<c0218dec>] (__schedule+0x0/0x37c) from [<c02194cc>] (schedule+0x74/0x78)
> [<c0219458>] (schedule+0x0/0x78) from [<c0022100>] (do_exit+0x640/0x670)
> [<c0021ac0>] (do_exit+0x0/0x670) from [<c001222c>] (die+0x2bc/0x2fc)
> [<c0011f70>] (die+0x0/0x2fc) from [<c0013808>] (__do_kernel_fault+0x70/0x90)
> [<c0013798>] (__do_kernel_fault+0x0/0x90) from [<c0013b58>] (do_page_fault+0x330/0x354)
> r8:c708cb00 r7:bf05b504 r6:c70bdea8 r5:a0000013 r4:c02d5ccc
> [<c0013828>] (do_page_fault+0x0/0x354) from [<c0008634>] (do_DataAbort+0x3c/0x9c)
> [<c00085f8>] (do_DataAbort+0x0/0x9c) from [<c000e458>] (__dabt_svc+0x38/0x60)
> Exception stack(0xc70bdea8 to 0xc70bdef0)
> dea0: bf05b4a0 00000000 00000000 00000001 bf05b4a0 c79a0120
> dec0: c02e1de0 c79257a0 c7803a00 c0114700 00000000 c70bdf0c c70bdf10 c70bdef0
> dee0: c01146f4 c011460c a0000013 ffffffff
> r8:c7803a00 r7:c70bdedc r6:ffffffff r5:a0000013 r4:c011460c
> [<c01145f4>] (kobject_put+0x0/0x7c) from [<c01146f4>] (kobject_del+0x64/0x70)
> r4:c79a0100
> [<c0114690>] (kobject_del+0x0/0x70) from [<c01147f0>] (kobject_delayed_cleanup+0xf0/0x198)
> r4:c79a0100
> [<c0114700>] (kobject_delayed_cleanup+0x0/0x198) from [<c00318fc>] (process_one_work+0x24c/0x3a8)
> r7:00000009 r6:00000000 r5:c785fd00 r4:c79a0120
> [<c00316b0>] (process_one_work+0x0/0x3a8) from [<c0032570>] (worker_thread+0x20c/0x428)
> [<c0032364>] (worker_thread+0x0/0x428) from [<c0037768>] (kthread+0x88/0x90)
> [<c00376e0>] (kthread+0x0/0x90) from [<c0021ac0>] (do_exit+0x0/0x670)
> r7:00000013 r6:c0021ac0 r5:c00376e0 r4:c7839edc
> Code: e1a0c00d e92dd800 e24cb004 e5903128 (e5130004)
> ---[ end trace ddf7f4f6a0de23bb ]---
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