Paste number 138077: kernel oops due unaligned memory access?

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Paste number 138077: kernel oops due unaligned memory access?
Pasted by: zecke
When:1 year, 5 months ago
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Unable to handle kernel paging request at virtual address 60000013
pgd = cf044000
[60000013] *pgd=00000000
Internal error: Oops: 1 [#2] PREEMPT
Modules linked in: rtfifo(C) msgqueue(C) fpgadl_par fpgadl leds_gpio dspdl_dm644x dspdl davinci_wdt
CPU: 0    Tainted: G      D  C    (3.2.40-g4221cbd-dirty #1)
PC is at do_lookup+0x68/0x368
LR is at do_lookup+0x48/0x368
pc : [<c00b1e40>]    lr : [<c00b1e20>]    psr: 60000013
sp : cf1d9dd0  ip : cf403180  fp : cf1d9e14
r10: cf1d9ed8  r9 : cf80daa0  r8 : cf1d8000
r7 : cf401180  r6 : 60000013  r5 : cf1d9e34  r4 : cf1d9e2c
r3 : 00000002  r2 : 00000002  r1 : cf1d9e34  r0 : 60000013
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 0005317f  Table: 8f044000  DAC: 00000015
Process systemd-journal (pid: 921, stack limit = 0xcf1d8270)
Stack: (0xcf1d9dd0 to 0xcf1da000)
9dc0:                                     c000c6f4 c000b2c8 cf403020 cf1d9e3c
9de0: cf1d9e34 00000002 cf1d9e14 0000002f 00000000 cf1d9e34 cf1d9e2c cf1d8000
9e00: cfac0001 cf1d9ed8 cf1d9e74 cf1d9e18 c00b2288 c00b1de8 c0017234 cfac0008
9e20: cf1d9ed8 00000051 cf1d9e44 cf80daa0 cf401180 cf403180 cf1d9e74 000021d1
9e40: 00000001 cfac0006 cf1d9f60 cf1d9f60 00000000 cfac0000 ffffff9c 00000001
9e60: cf1d8000 cf1d9ed8 cf1d9ecc cf1d9e78 c00b45a0 c00b2150 cf1d9e8c 00000000
9e80: be978784 00000000 000445b6 00000000 cf80d960 cf484400 c000c6f4 c000b2c8
9ea0: c000b2e8 cf1d9f60 00000001 cfac0000 ffffff9c 00000001 cf1d8000 00000000
9ec0: cf1d9f54 cf1d9ed0 c00b49b8 c00b450c 00000041 cf05a3c8 cf80daa0 cf401180
9ee0: c000b324 c000c6e0 00000000 cf80d960 cf40ed00 cf403020 00000051 00000002
9f00: 00000001 00000000 c00172e4 c000b2f8 0000000e cf05a3c0 cf1d9f54 cf1d9f28
9f20: c00c1310 c0017288 00000000 000a0000 00000000 cfbaba00 000a0000 cfac0000
9f40: 0000000e ffffff9c cf1d9f94 cf1d9f58 c00a5388 c00b4994 cf1d9f7c cf1d9f68
9f60: 000a0000 00000000 00000024 00000100 00044020 0002dad6 00000008 00000005
9f80: c00095a8 cf1d8000 cf1d9fa4 cf1d9f98 c00a5444 c00a52a8 00000000 cf1d9fa8
9fa0: c0009400 c00a5430 00044020 0002dad6 be977ed0 000a0000 000001b6 000001b6
9fc0: 00044020 0002dad6 00000008 00000005 00000000 00000016 00000000 be977e64
9fe0: 00000000 be977e44 45968dc0 459becfc 60000010 be977ed0 5c737265 4556595c
Backtrace: 
[<c00b1dd8>] (do_lookup+0x0/0x368) from [<c00b2288>] (link_path_walk+0x148/0x86c)
[<c00b2140>] (link_path_walk+0x0/0x86c) from [<c00b45a0>] (path_openat+0xa4/0x3b0)
[<c00b44fc>] (path_openat+0x0/0x3b0) from [<c00b49b8>] (do_filp_open+0x34/0x88)
[<c00b4984>] (do_filp_open+0x0/0x88) from [<c00a5388>] (do_sys_open+0xf0/0x188)
 r7:ffffff9c r6:0000000e r5:cfac0000 r4:000a0000
[<c00a5298>] (do_sys_open+0x0/0x188) from [<c00a5444>] (sys_open+0x24/0x28)
 r9:cf1d8000 r8:c00095a8 r7:00000005 r6:00000008 r5:0002dad6
r4:00044020
[<c00a5420>] (sys_open+0x0/0x28) from [<c0009400>] (ret_fast_syscall+0x0/0x2c)
Code: e1520003 1a000039 e51b3030 e58a3024 (e5963000) 
---[ end trace 5d136197a174b0d6 ]---
note: systemd-journal[921] exited with preempt_count 1
BUG: scheduling while atomic: systemd-journal/921/0x40000002
Modules linked in: rtfifo(C) msgqueue(C) fpgadl_par fpgadl leds_gpio dspdl_dm644x dspdl davinci_wdt
Backtrace: 
[<c000c970>] (dump_backtrace+0x0/0x10c) from [<c0353e9c>] (dump_stack+0x18/0x1c)
 r6:cf1d8030 r5:cf0fb0cc r4:00000000 r3:20000013
[<c0353e84>] (dump_stack+0x0/0x1c) from [<c03540c0>] (__schedule_bug+0x54/0x60)
[<c035406c>] (__schedule_bug+0x0/0x60) from [<c0357590>] (__schedule+0x580/0x5c4)
 r4:cfbe2d80 r3:00000000
[<c0357010>] (__schedule+0x0/0x5c4) from [<c0019948>] (__cond_resched+0x18/0x24)
[<c0019930>] (__cond_resched+0x0/0x24) from [<c0357c74>] (_cond_resched+0x40/0x48)
[<c0357c34>] (_cond_resched+0x0/0x48) from [<c008fe04>] (unmap_vmas+0x338/0x5ec)
[<c008facc>] (unmap_vmas+0x0/0x5ec) from [<c009622c>] (exit_mmap+0x12c/0x2b0)
[<c0096100>] (exit_mmap+0x0/0x2b0) from [<c001f490>] (mmput+0x40/0xf8)
 r8:cf1d8000 r7:cf10bc34 r6:00000000 r5:00000000 r4:cf10bc00
[<c001f450>] (mmput+0x0/0xf8) from [<c0023b88>] (exit_mm+0x144/0x164)
 r5:cf10bc00 r4:cfbe2d80
[<c0023a44>] (exit_mm+0x0/0x164) from [<c00257f0>] (do_exit+0x574/0x700)
 r7:c03f7b4c r6:00000000 r5:cf1d8000 r4:0000000b
[<c002527c>] (do_exit+0x0/0x700) from [<c000cd7c>] (die+0x1f4/0x234)
 r7:c03f7b4c
[<c000cb88>] (die+0x0/0x234) from [<c035404c>] (__do_kernel_fault.part.4+0x5c/0x7c)
 r9:00000004 r8:60000013 r7:cf1d9d88 r6:cf10bc00 r5:00000001
r4:60000013
[<c0353ff0>] (__do_kernel_fault.part.4+0x0/0x7c) from [<c001004c>] (do_bad_area+0x90/0x94)
 r7:cf10bc00 r3:cf1d9d88
[<c000ffbc>] (do_bad_area+0x0/0x94) from [<c00120dc>] (do_alignment+0x240/0x828)
 r7:c00b1e40 r6:e5963000 r5:cf1d8000 r4:cf1d9d88
[<c0011e9c>] (do_alignment+0x0/0x828) from [<c0008634>] (do_DataAbort+0x3c/0xa0)
[<c00085f8>] (do_DataAbort+0x0/0xa0) from [<c0008f98>] (__dabt_svc+0x38/0x60)
Exception stack(0xcf1d9d88 to 0xcf1d9dd0)
9d80:                   60000013 cf1d9e34 00000002 00000002 cf1d9e2c cf1d9e34
9da0: 60000013 cf401180 cf1d8000 cf80daa0 cf1d9ed8 cf1d9e14 cf403180 cf1d9dd0
9dc0: c00b1e20 c00b1e40 60000013 ffffffff
 r8:cf1d8000 r7:cf1d9dbc r6:ffffffff r5:60000013 r4:c00b1e40
[<c00b1dd8>] (do_lookup+0x0/0x368) from [<c00b2288>] (link_path_walk+0x148/0x86c)
[<c00b2140>] (link_path_walk+0x0/0x86c) from [<c00b45a0>] (path_openat+0xa4/0x3b0)
[<c00b44fc>] (path_openat+0x0/0x3b0) from [<c00b49b8>] (do_filp_open+0x34/0x88)
[<c00b4984>] (do_filp_open+0x0/0x88) from [<c00a5388>] (do_sys_open+0xf0/0x188)
 r7:ffffff9c r6:0000000e r5:cfac0000 r4:000a0000
[<c00a5298>] (do_sys_open+0x0/0x188) from [<c00a5444>] (sys_open+0x24/0x28)
 r9:cf1d8000 r8:c00095a8 r7:00000005 r6:00000008 r5:0002dad6
r4:00044020
[<c00a5420>] (sys_open+0x0/0x28) from [<c0009400>] (ret_fast_syscall+0x0/0x2c)

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Annotation number 1: system failures
Pasted by: zecke
When:1 year, 5 months ago
Share:Tweet this! | http://paste.lisp.org/+2YJH/1
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cat /proc/cpu/alignment 
User:		0
System:		4
Skipped:	0
Half:		0
Word:		4
DWord:		0
Multi:		0
User faults:	3 (fixup+warn)

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