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Fixed

LIN5-19578 : CLONE - arm kernel oops in 'vector_swi' when system run stress test

Created: Oct 19, 2014    Updated: Dec 19, 2017
Resolved Date: Dec 3, 2014
Found In Version: 5.0.1
Fix Version: 5.0.1.22
Severity: Standard
Applicable for: Wind River Linux 5
Component/s: Kernel

Description

arm kernel oops in 'vector_swi' when system run stress test. logs are as below:
Unable to handle kernel paging request at virtual address 4002ce80
<1>pgd = d37483c0
<1>[4002ce80] *pgd=00000000114a4003
<0>[3454235335213386ns]Internal error: Oops: 20b [#1] SMP
<0>last sysfs file: /sys/devices/virtual/block/pramdisk1/dev
<d>Modules linked in: sunrpc auth_rpcgss nfs_acl lockd nfs tun cache_ops gmac_1381 interrupt_ctrl rtos_kbox_panic cache_recover pramdisk rsm
CPU: 1    Not tainted  (2.6.34.13 #1)
PC is at vector_swi+0x68/0xd8
LR is at 0x4002ce84
pc : [<c0040a08>]    lr : [<4002ce84>]    psr: 60000293
sp : c97d5fb0  ip : 00000152  fp : 6e9a0fac
r10: 6e9a0fb0  r9 : 6e9a0fb0  r8 : 60000210
r7 : 00000001  r6 : 40043174  r5 : 6e9a14e0  r4 : 00000000
r3 : 00000010  r2 : 6e9a1470  r1 : 6e9a1470  r0 : 00000000
Flags: nZCv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 32c53c7d  Table: 141483c0  DAC: 55555555
<0>Process thr2.test (pid: 4130, stack limit = 0xc97d4270)
<0>Stack: (0xc97d5f70 to 0xc97d6000)
<0>5f60:                                     6e9a1470 00000010 00000000 6e9a14e0
<0>5f80: 40043174 00000001 60000210 6e9a0fb0 6e9a0fb0 6e9a0fac 00000152 c97d5fb0
<0>5fa0: 4002ce84 c0040a08 60000293 ffffffff 00000000 6e9a1470 6e9a1470 00000010
<0>5fc0: 00000000 6e9a14e0 40043174 00000001 40038548 6e9a0fb0 6e9a0fb0 6e9a0fac
<0>5fe0: 00000152 6e9a0de8 4002cea8 4002ce84 60000210 00000000 000001fe 000001ff
<0>Code: 04209de4 04109de4 04009de4 04e09de4 (04a01ee5) 
<4>---[ end trace 72036b06a9eee6c4 ]---
<0>[3454237093354395 ns]Kernel panic - not syncing: Fatal exception
[<c004a33c>] (unwind_backtrace+0x0/0x168) from [<c029e94c>] (panic+0x70/0x198)
[<c029e94c>] (panic+0x70/0x198) from [<c0045d38>] (die+0x200/0x24c)
[<c0045d38>] (die+0x200/0x24c) from [<c004e904>] (__do_kernel_fault+0x74/0x98)
[<c004e904>] (__do_kernel_fault+0x74/0x98) from [<c02a7854>] (do_page_fault+0x2f0/0x340)
[<c02a7854>] (do_page_fault+0x2f0/0x340) from [<c003f5b0>] (do_DataAbort+0x40/0xb4)
[<c003f5b0>] (do_DataAbort+0x40/0xb4) from [<c02a5e58>] (__dabt_svc+0x58/0x80)
Exception stack(0xc97d5f68 to 0xc97d5fb0)
5f60:                   00000000 6e9a1470 6e9a1470 00000010 00000000 6e9a14e0
5f80: 40043174 00000001 60000210 6e9a0fb0 6e9a0fb0 6e9a0fac 00000152 c97d5fb0
5fa0: 4002ce84 c0040a08 60000293 ffffffff
[<c02a5e58>] (__dabt_svc+0x58/0x80) from [<c0040a08>] (vector_swi+0x68/0xd8)

Steps to Reproduce

it's hard to reproduce.

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