[#6893] [ltp] epoll-ltp may fail on bf561-ezkit SMP kernel in 2011r1 branch and trunk(2011)

[#6893] [ltp] epoll-ltp may fail on bf561-ezkit SMP kernel in 2011r1 branch and trunk

Submitted By: Vivi Li

Open Date

2011-11-21 03:50:19 Close Date

2012-09-04 05:08:40

Priority:

Medium Assignee:

steven miao

Status:

Closed Fixed In Release:

N/A

Found In Release:

2011R1 Release:

Category:

N/A Board:

N/A

Processor:

BF561 Silicon Revision:

Is this bug repeatable?:

Yes Resolution:

Not reproducible

Uboot version or rev.:

Toolchain version or rev.:

gcc4.3-2011R1-RC2

App binary format:

N/A

Summary: [ltp] epoll-ltp may fail on bf561-ezkit SMP kernel in 2011r1 branch and trunk

Details:

LTP test case epoll-ltp may fail on bf561-ezkit SMP kernel in both 2011r1 branch and trunk.

Usually configuration is wt_slab.

sys_epoll02 9232 TPASS : (epoll_ctl(2147483647,00000002,3,(nil)) returned 9:Bad file descriptor)

sys_epoll02 9233 TPASS : (epoll_ctl(2147483647,00000003,3,(nil)) returned 14:Bad address)

sys_epoll02 9234 TPASS : (epoll_ctl(2147483647,00000001,3,(nil)) returned 14:Bad address)

sys_epoll02 9235 TPASS : (epoll_ctl(2147483647,00000003,3,(nil)) returned 14:Bad address)

sys_epoll02 9236 TPASS : (epoll_ctl(2147483647,00000002,3,(nil)) returned 9:Bad file descriptor)

sys_epollI2 9N37 FTPAOS : ( polltctla214s483k47, 0000e03,p,(nol))lrltur-edl14:tad pddr:ss)5

sy5_epol102 238b TPlSS o: c(kpole_ctl(2d for more than 120 seconds.

4"483e47,c000h002o3,( il)0 re urn>d 9 Bad/filp dercriotorc

s/s_eyolls2 9/39 kTPAeS r (npole_ctl(21/748h647u7ffng_task_timeout_secs" disables this message.

ffffepo,lnill) r-turled t4:Bpd a dre s) Dsys_epol 02 02400 TP0SS 0: bepo2l_c1l(24474 36 ff0fff ,3, nil 5 r5tur1ed 4:B d a dre s)170 0x00000000

Stsya_epcll0k 92 1 inASSf : o(ep:ll

tl(21474836 7S00P000:2,- ,(n[l))0retxrne0 9:2ad 4ile4des3ripdor)9

0] <0x02443d90> /* kernel dynamic memory */

sys_e olF02 P242: TP SS (: 0epoxl_c0l(2247443644,003000f3,-0,(n4l)))re

r ed M4:Bed amdreor)y from 0x02443d90 to 02444000

s_0pol202 42434 TP3SS d: 9epo0l_c:l[0107413643,002000b1,-9,(n4l))]r tu0ned014:1ad 9ddrdss)4

sy4_ep0ll0 9244 0TP0SS 3: 4epo7l_cbl(2a4740364 ,00 00003,-2,(n3l))1retdrne3 148Bad0add ess)

ys_0pol202 0245b TPcSS 3: cepo0l_c l(214 480647000000000,-1f(ni3)) 5etu0ned 9:B d f0le 0esc0ipt0r)0sys0epo0l020924 TP0SS2 : 4(ep4ll_3tl(d147e83607,0 0

003,21,(4il)4 re3urndd 1b:Ba0 ad:ress 00130222

0s0epo0l0209240 T0***0 : 0(ep ll ctl02140483344,007000b2,-a,(n0l)) 0t2rne0 9:0ad 9ileedes2rip0or)

ys_e0ol002 9048 0TPA0S 0 (2pol ct0(212748064777ffff6ff,81,(cil) r tur0ed 04:B0d a0dre0s)001 sys epo0l0229240 TbASSc : 3(epcll_0tl( 147

0642,ff4fff4f3-1,dnild) r0tur:ed 1 :0000a00re0s)0sys epo l00 0 a T0NFO2 : 2umm6ry: f 9016 2ests, e0oll9ctl4fai6ed 8 (1008 pa s d).0

ro2t:/0inb c3f4 ^[[6n 00000001 ffa47280 00000008 d6e2fc28

02443df0: 0000e884 020a1a84 0001aa14 00131a64 02443e28 0000f462 00347ba0 00000001

02443e10: 00347bd8 0000f27c 02094674 00347bd8 0209467c 00000000 02443e54 <0000e9c0>

02443e30: 02443e50 0000f342 00347ba0 00000000 00347bd8 020bc4b4 02094640 00347ba0

02443e50: 0231d380 020bc3c0 020bc4b4 00000000 02443e94 00130222 00000000 020bc3c0

02443e70: 020bc4b4 0001a820 0006ab88 02442008 02442000 02442000 002c0ba0 020bc52c

02443e90: 0018e000 0202bbe0 0001c246 020bc4b4 020bc3b8 020bc3c0 00000011 0018e008

02443eb0: 020bc4b4 00000001 0207fc80 00000229 02443ec0 02443ec0 02443ecc 02443ecc

02443ed0: 02443ecc 020bc4fc 0267bedc 0001c4b0 0001c4a4 00000001 02668dc4 00000000

02443ef0: ffffe000 00000000 026607f8 <0000b13e> 00000000 (ffffe000)<0000b13e> 00000025

02443f10: 00000000 ffffffff 00000003 026607f8 00000000 02662130 00008000 00000000

02443f30: 00000000 02444000 02662130 02662130 0266446a 0000b914 02003025 02665395

02443f50: 02663903 0266534a 02663902 00000000 00000000 0000147a 00000000 0000147a

02443f70: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

02443f90: 00000000 00000000 00000000 00000000 00000004 00000000 023d9d98 02668dc4

02443fb0: 02666fdc 0267bed0 0267bedc 00000000 00000001 02668dc4 02668a8c 00000005

02443fd0: 00000001 00000000 00000001 00000000 026607f8 00000003 00000000 026691b0

02443ff0: 00000000 00000000 00000001 00000006

Return addresses in stack:

address : <0x0000e9c0> { _deactivate_task + 0x34 }

address : <0x0000b13e> { _system_call + 0x6a }

frame 1 : <0x0000b13e> { _system_call + 0x6a }

Follow-ups

--- steven miao 2011-12-06 22:56:00

epoll-ltp can pass here

sys_epoll02 9246 TPASS : (epoll_ctl(2147483647,00000003,-1,(nil)) returned

14:Bad address)

sys_epoll02 9247 TPASS : (epoll_ctl(2147483647,00000002,-1,(nil)) returned

9:Bad file descriptor)

sys_epoll02 9248 TPASS : (epoll_ctl(2147483647,7fffffff,-1,(nil)) returned

14:Bad address)

sys_epoll02 9249 TPASS : (epoll_ctl(2147483647,ffffffff,-1,(nil)) returned

14:Bad address)

sys_epoll02 0 TINFO : Summary: Of 9216 tests, epoll_ctl failed 0 (100%

passed).

--- Vivi Li 2012-09-04 06:06:43

Can't see this bug now.

Close it.

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