[#5658] [ltp] ltp test case umount02 fail with kernel dump info

Submitted By: Vivi Li

Open Date

2009-11-04 04:07:25 Close Date

2009-11-12 05:02:43

Priority:

Medium Assignee:

Graf Yang

Status:

Closed Fixed In Release:

N/A

Found In Release:

2010R1 Release:

Category:

Tests Board:

N/A

Processor:

BF548 Silicon Revision:

Is this bug repeatable?:

Yes Resolution:

Fixed

Uboot version or rev.:

Toolchain version or rev.:

gcc4.1-09r1-rc9

App binary format:

N/A

Summary: [ltp] ltp test case umount02 fail with kernel dump info

Details:

ltp test case umount02 fails with kernel dump info.

This is not a regression result. This case are not tested before.

Bellow is the log on bf548-ezkit, and /dev/sdb1 is a ext2 fs on usb.

root:/> umount02 -D /dev/sdb1

NULL pointer access

Deferred Exception context

CURRENT PROCESS:

COMM=umount02 PID=349 CPU=0

TEXT = 0x00bc0040-0x00bcc800 DATA = 0x00bcc804-0x00bcfc4c

BSS = 0x00bcfc4c-0x00bd7ac4 USER-STACK = 0x00bdff54

return address: [0x00bc6486]; contents of:

0x00bc6460: 3018 1006 e801 0000 6000 0538 0010 5048

0x00bc6470: 3209 0981 63f8 0788 6018 5403 0c00 184c

0x00bc6480: 0000 0000 3213 [9950] 0c00 183c 300b 601a

0x00bc6490: 2005 3211 9950 0c00 1836 6409 5411 0c00

ADSP-BF548-0.2 525(MHz CCLK) 131(MHz SCLK) (mpu off)

Linux version 2.6.31.5-ADI-2010R1-pre-svn7743 (test@uclinux61-bf548-std) (gcc version 4.3.4 (ADI-trunk/svn-3648) ) #72 Tue Nov 39

SEQUENCER STATUS: Not tainted

SEQSTAT: 00000027 IPEND: 0008 IMASK: ffff SYSCFG: 0006

EXCAUSE : 0x27

physical IVG3 asserted : <0xffa007b0> { _trap + 0x0 }

RETE: <0x00000000> /* Maybe null pointer? */

RETN: <0x00b66000> /* kernel dynamic memory */

RETX: <0x00000480> /* Maybe fixed code section */

RETS: <0x00bc5326> [ umount02 + 0x52e6 ]

PC : <0x00bc6486> [ umount02 + 0x6446 ]

DCPLB_FAULT_ADDR: <0x00000013> /* Maybe null pointer? */

ICPLB_FAULT_ADDR: <0x00bc6486> [ umount02 + 0x6446 ]

PROCESSOR STATE:

R0 : 00000003 R1 : 00000012 R2 : 00000008 R3 : 00000013

R4 : 0000000b R5 : 00000000 R6 : 00000007 R7 : 0000000e

P0 : 00000013 P1 : ffffffff P2 : 00000013 P3 : 0000004d

P4 : 00000000 P5 : 00000000 FP : 00bdf488 SP : 00b65f24

LB0: 00bc60f1 LT0: 00bc60ee LC0: 00000000

LB1: 00bc538d LT1: 00bc538c LC1: 00000000

B0 : 00000000 L0 : 00000000 M0 : 00000000 I0 : 00bcf9b4

B1 : 00000000 L1 : 00000000 M1 : 00000000 I1 : 00000000

B2 : 00000000 L2 : 00000000 M2 : 00000000 I2 : 00000000

B3 : 00000000 L3 : 00000000 M3 : 00000000 I3 : 00000000

A0.w: 00000020 A0.x: 00000000 A1.w: 00000020 A1.x: 00000000

USP : 00bdf488 ASTAT: 02003004

Hardware Trace:

0 Target : <0x0000522c> { _trap_c + 0x0 }

Source : <0xffa00744> { _exception_to_level5 + 0xa4 } CALL pcrel

1 Target : <0xffa006a0> { _exception_to_level5 + 0x0 }

Source : <0xffa00554> { _bfin_return_from_exception + 0x18 } RTX

2 Target : <0xffa0053c> { _bfin_return_from_exception + 0x0 }

Source : <0xffa005f8> { _ex_trap_c + 0x74 } JUMP.S

3 Target : <0xffa00584> { _ex_trap_c + 0x0 }

Source : <0xffa0080a> { _trap + 0x5a } JUMP (P4)

4 Target : <0xffa007b0> { _trap + 0x0 }

Source : <0x00bc6484> [ umount02 + 0x6444 ] 0x3213

5 Target : <0x00bc646e> [ umount02 + 0x642e ]

Source : <0x00bc6462> [ umount02 + 0x6422 ] IF !CC JUMP

6 Target : <0x00bc6458> [ umount02 + 0x6418 ]

Source : <0x00bc5322> [ umount02 + 0x52e2 ] CALL pcrel

7 Target : <0x00bc530a> [ umount02 + 0x52ca ]

Source : <0x00bc50dc> [ umount02 + 0x509c ] IF !CC JUMP

8 Target : <0x00bc50c8> [ umount02 + 0x5088 ]

Source : <0x00bc4f90> [ umount02 + 0x4f50 ] IF CC JUMP

9 Target : <0x00bc4f6e> [ umount02 + 0x4f2e ]

Source : <0x00bc5118> [ umount02 + 0x50d8 ] JUMP.S

10 Target : <0x00bc5110> [ umount02 + 0x50d0 ]

Source : <0x00bc4f5c> [ umount02 + 0x4f1c ] IF !CC JUMP

11 Target : <0x00bc4f4e> [ umount02 + 0x4f0e ]

Source : <0x00bc5490> [ umount02 + 0x5450 ] RTS

12 Target : <0x00bc548a> [ umount02 + 0x544a ]

Source : <0x00bc5478> [ umount02 + 0x5438 ] IF CC JUMP

13 Target : <0x00bc5404> [ umount02 + 0x53c4 ]

Source : <0x00bc4f4a> [ umount02 + 0x4f0a ] CALL pcrel

14 Target : <0x00bc4f42> [ umount02 + 0x4f02 ]

Source : <0x00bc5706> [ umount02 + 0x56c6 ] RTS

15 Target : <0x00bc5700> [ umount02 + 0x56c0 ]

Source : <0x00bc584c> [ umount02 + 0x580c ] JUMP.S

Userspace Stack

Stack info:

SP: [0x00bdf488] <0x00bdf488> [ umount02 + 0x1f488 ]

FP: (0x00bdf488)

Memory from 0x00bdf480 to 00be0000

00bdf480: 0000004d 00bdf5d8 [00bdf5d8]<00bc5326> 0000000e 00000000 00000000 00000000

00bdf4a0: 00000000 00000000 00000013 20000000 00000000 00000007 00bccadf ffffffff

00bdf4c0: 00000000 00000073 00000000 00000020 00000000 00000001 00000013 00010000

00bdf4e0: 00000003 00000008 00000008 00000008 00000008 00000008 00000008 00000008

00bdf500: 00000008 00bdfea0 00000013 00000000 00000000 00000000 00000000 00000000

00bdf520: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdf540: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdf560: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdf580: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdf5a0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdf5c0: 00000000 00000000 00000000 00000000 00bdf508 20000000 00bdf648 <00bc4a4e>

00bdf5e0: 00bcc804 00bcf9d0 00000003 ff42097f 00000013 00bc0990 00bdff8e 00bdf608

00bdf600: 00000000 00000000 000000d0 fffffffe 00bdf680 ffffffff 00bdf6cd 00bdf680

00bdf620: 00bdf680 ffffffff 00000000 00000000 00000000 00000000 00000000 00000000

00bdf640: 00000000 00000000 00bdf664 <00bc49c4> 00bd1c90 00000000 00000000 00000000

00bdf660: 00bdfe94 00bdfe80 <00bc2c3a> 00000000 00000000 00000000 00000000 00bdfe94

00bdf680: 6e756f6d 29322874 69616620 2064656c 6d206f74 746e756f 76656420 20656369

00bdf6a0: 7665642f 6264732f 74612031 756f6d20 6f70746e 20746e69 5f746e6d 2c393433

00bdf6c0: 746f4720 72726520 2d206f6e 00000020 00000000 00000000 00000000 00000000

00bdf6e0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdf700: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdf720: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdf740: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdf760: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdf780: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdf7a0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdf7c0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdf7e0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdf800: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdf820: 00000000 00000000 00000000 00000000 00bcdc1a 00000000 00000000 00000000

00bdf840: 00000000 00000000 00000000 00bcdc1a 00000008 00000003 00bdf888 00000000

00bdf860: 00000000 00bdf8bc 00000008 00000008 00000008 00bdf9dc <00bc4f42> 00bcdc17

00bdf880: 00bdf9dc <00bc50c6> 00bcdc21 00000006 00000003 00000000 00000000 00000000

00bdf8a0: 00000000 00000000 00000000 00bcc824 20000000 00000000 00000003 00bcdc1b

00bdf8c0: 00000003 00000000 00000073 00000000 00000020 00000000 00000001 00000013

00bdf8e0: 00010000 00000003 00000008 00000008 00000008 00000008 00000008 00000008

00bdf900: 00000008 00000008 00bdfa84 00bcc824 00000000 00000000 00000000 00000000

00bdf920: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdf940: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdf960: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdf980: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdf9a0: 00000000 00bdfa8c 00bdfa34 <00bc8478> 00000006 00000000 00000000 00000000

00bdf9c0: 84210843 00bd3c00 00bdfa94 00000000 00000000 00bdf90c 20000000 00bdfa4c

00bdf9e0:<00bc4a4e> 00bcc804 00bcf9d0 00000003 00000400 00bdff58 00bd3be4 00bcc7cc

00bdfa00: 00bdfa0c 00000000 00bdfa34 <00bc67d0> 00bdfa34 <00bc67e4> 00bdfe8c 00bdfa9a

00bdfa20: 00bdfa8c 00bdfa8c 00bdfe8c dd5ef4d0 00000014 00bdfa5c <00bc656e> 00bcc804

00bdfa40: 00bcf9d0 00000000 0000000f 00000003 00bd3be4 00bcc7cc 00bdfa8c 00bdfe94

00bdfa60:<00bc31f0> 00bdfe94 <00bc330a> 00bcf89c 00000000 00000000 00000000 00bcdc24

00bdfa80: 00bcc824 00000000 00000000 706d742f 6f6d752f 4a473677 0000646b 00000000

00bdfaa0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdfac0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdfae0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdfb00: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdfb20: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdfb40: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdfb60: 00000000 00000000 00bdfc9c <00bc6738> 00bdfcc4 00000000 00000000 00000000

00bdfb80: 00000008 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdfba0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdfbc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdfbe0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdfc00: 00000000 00000000 00000000 00000000 00bc2ffc 10000000 00000000 00000000

00bdfc20: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdfc40: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdfc60: 00000000 00000000 00bccbdd 00000000 00000000 00000000 00000000 00000000

00bdfc80: 00000000 00bccbdd 00000008 00000000 <00bc8984> 00000000 00000000 00bdfcf4

00bdfca0: 00000008 00000000 00000004 00bdfe14 <00bc5000> 00000000 00bdfe14 <00bc533e>

00bdfcc0: 00000000 00000000 00000003 00000000 00000000 00000000 00000000 fffffff6

00bdfce0: 00000057 00bdfe08 20000000 00000000 00000003 00bccbde ffffffff 00000000

00bdfd00: 00000064 00000000 00000020 00000000 00000001 00000006 00010000 00000000

00bdfd20: 00000008 00000008 00000008 00000008 00000008 00000008 00000008 00000008

00bdfd40: 00bdfeb4 0000015d 00000000 00000000 00000000 00000000 00000000 00000000

00bdfd60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdfd80: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdfda0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00bdfdc0: 00000000 00000000 00000000 00000000 00000000 10000000 00000000 00000000

00bdfde0: 00bdfe9c <00bc2fa2> 00000030 00bc2ffc 00000000 00bdfe48 00bdfe48 00000037

00bdfe00: 00000044 00bdff58 00bdfe58 00000003 20000000 00bdfe84 <00bc4a4e> 00bcc804

00bdfe20: 00bcf9d0 00000003 ff42e36f 00bdff58 00bd3be4 00bcc7cc 00bdfe44 00000000

00bdfe40: 00bdfe80 00bd00d0 fffffffe 00bd1c90 ffffffff 00bd1c97 00bdfe7c <00bc659e>

00bdfe60: 00bcc804 00bd3b7c 00000013 00bc0990 <00bc0f4e> 00bdfec8 <00bc15ea> 00bdfebc

00bdfe80: 00bdfebc <00bc05dc> 00000002 00bc0990 <00bcca9c> 00bdff8e 00bd1c90 00000013

00bdfea0: 00bd3b7c <00bc0986> 00000001 00bc2ffc 00000001 00000018 00000000 00bdff00

00bdfec0:<00bc02e2> 00000000 00bdff58 00bd3be4 00bcc7cc 00000000 00000000 00bcf648

00bdfee0:<00bc0ab8> 0000002f 00bdff00 <00bcc7d8> 00bcc804 00000000 00000000 00000000

00bdff00: 00bdff14 <00bc7f88> 00000003 00bdff58 00000000 00000000 <02d15e20> 00bcc804

00bdff20: 02d5d7bc 00000000 00000000 02a2e129 02f6dff1 0027a270 00bc015c 00000000

00bdff40: 00000000 00bcc7cc 00bcc7de 00000000 02f6dff6 00000003 00bdff82 00bdff8b

00bdff60: 00bdff8e 00000000 00bdff98 00bdffa3 00bdffcb 00bdffdf 00bdffe5 00000000

00bdff80: 6d750000 746e756f 2d003230 642f0044 732f7665 00316264 4d524554 6e696c3d

00bdffa0: 50007875 3d485441 6e69622f 73752f3a 69622f72 732f3a6e 3a6e6962 7273752f

00bdffc0: 6962732f 622f3a6e 48006e69 5f485355 53524556 3d4e4f49 35312e31 5000322e

00bdffe0: 2f3d4457 504d5400 6d742f3d 622f0070 752f6e69 6e756f6d 00323074 00000000

Return addresses in stack:

frame 1 : <0x00bc5326> [ umount02 + 0x52e6 ]

frame 2 : <0x00bc4a4e> [ umount02 + 0x4a0e ]

frame 3 : <0x00bc49c4> [ umount02 + 0x4984 ]

frame 4 : <0x00bc2c3a> [ umount02 + 0x2bfa ]

address : <0x00bc4f42> [ umount02 + 0x4f02 ]

address : <0x00bc50c6> [ umount02 + 0x5086 ]

address : <0x00bc8478> [ umount02 + 0x8438 ]

address : <0x00bc4a4e> [ umount02 + 0x4a0e ]

address : <0x00bc67d0> [ umount02 + 0x6790 ]

address : <0x00bc67e4> [ umount02 + 0x67a4 ]

address : <0x00bc656e> [ umount02 + 0x652e ]

address : <0x00bc31f0> [ umount02 + 0x31b0 ]

address : <0x00bc330a> [ umount02 + 0x32ca ]

address : <0x00bc6738> [ umount02 + 0x66f8 ]

address : <0x00bc8984> [ umount02 + 0x8944 ]

address : <0x00bc5000> [ umount02 + 0x4fc0 ]

address : <0x00bc533e> [ umount02 + 0x52fe ]

address : <0x00bc2fa2> [ umount02 + 0x2f62 ]

address : <0x00bc4a4e> [ umount02 + 0x4a0e ]

address : <0x00bc659e> [ umount02 + 0x655e ]

address : <0x00bc0f4e> [ umount02 + 0xf0e ]

address : <0x00bc15ea> [ umount02 + 0x15aa ]

frame 5 : <0x00bc05dc> [ umount02 + 0x59c ]

address : <0x00bcca9c> [ umount02 + 0xca9c ]

address : <0x00bc0986> [ umount02 + 0x946 ]

frame 6 : <0x00bc02e2> [ umount02 + 0x2a2 ]

address : <0x00bc0ab8> [ umount02 + 0xa78 ]

address : <0x00bcc7d8> [ umount02 + 0xc798 ]

frame 7 : <0x00bc7f88> [ umount02 + 0x7f48 ]

frame 8 : <0x02d15e20> [ sh + 0x15e20 ]

umount02 1 BROK : Unexpected signal 11 received.

umount02 2 BROK : Remaining cases broken

umount02 3 BROK : Remaining cases broken

umount02 4 BROK : Remaining cases broken

umount02 5 BROK : Remaining cases broken

Follow-ups

--- Graf Yang 2009-11-11 04:40:24

Patch the attached patch for umount02.c, test passed,

root:/ltp> ./umount02 -D /dev/sda1

EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended

umount02 1 PASS : umount(2) expected failure; Got errno - EBUSY : Already

mounted/busy

umount02 2 PASS : umount(2) expected failure; Got errno - EFAULT :

Invalid address space

umount02 3 PASS : umount(2) expected failure; Got errno - ENOENT :

Directory not found

umount02 4 PASS : umount(2) expected failure; Got errno - EINVAL :

Invalid device

umount02 5 PASS : umount(2) expected failure; Got errno - ENAMETOOLONG :

Pathname too long

--- Vivi Li 2009-11-12 05:02:43

OK now.

Close it.

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[#5658] [ltp] ltp test case umount02 fail with kernel dump info