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Fixed

LIN5-4661 : [5.0.1 Async][cav-octeon2] run jffs2 on mtdblock and have call trace

Created: May 29, 2013    Updated: Dec 19, 2017
Resolved Date: Jun 3, 2013
Found In Version: 5.0.1
Fix Version: 5.0.1.4
Severity: Severe
Applicable for: Wind River Linux 5
Component/s: BSP - Async

Description

cn6800:/opt/wr-test# ./main_test.sh -g kts -s fs
jffs2: notice: (31320) jffs2_build_xattr_subsystem: complete building xattr subsystem, 0 of xdatum (0 unchecked, 0 orphan) and 0 of xref (0 dead, 0 orphan) found.
CPU 0 Unable to handle kernel paging request at virtual address 000000ff81d7aa80, epc == ffffffff81193cc0, ra == ffffffff81193de4
Oops[#1]:
Cpu 0
$ 0   : 0000000000000000 ffffffff81193de4 0007fffffff81b57 ffffffff81d7ab80
$ 4   : ffffffe06d5e3800 0000000000000000 000000ffffffff00 0000000000000000
$ 8   : 0000258e0cc5a99b 0000000000000354 00000000000000d0 0000000000000070
$12   : 0000000000000000 0000000000000001 ffffffff81aa8000 0000000000000000
$16   : ffffffff81b578e0 ffffffff81b311d0 ffffffff81b31510 ffffffff81b316d8
$20   : ffffffff81b30000 0000000000007530 ffffffff81ab0000 ffffffff81b311e0
$24   : 0000000064000000 0000000003bf0000                                  
$28   : 800000020c6fc000 800000020c6ffd30 800000020c6ffd30 ffffffff81193de4
Hi    : 0000000000000025
Lo    : 8e0cc5a99b19dc0b
epc   : ffffffff81193cc0 bit_waitqueue+0x40/0xe0
    Not tainted
ra    : ffffffff81193de4 wake_up_bit+0x2c/0x58
Status: 1000cce3    KX SX UX KERNEL EXL IE 
Cause : 00800008
BadVA : 000000ff81d7aa80
PrId  : 000d910a (Cavium Octeon II)
Modules linked in: jbd2 ext4 fat vfat minix loop tun yaffs jffs2 nandsim [last unloaded: nandsim]
Process bdi-default (pid: 121, threadinfo=800000020c6fc000, task=800000020c655900, tls=0000000000000000)
Stack : ffffffff81b30000 800000020c6ffd40 0000000000000000 ffffffff81b311e0
        800000020c6ffd60 ffffffff81b578c8 800000020c6ffd70 ffffffff81268644
        800000020c6ffd80 ffffffff8126897c ffffffff81b31750 ffffffff81b31700
        ffffffff81b31760 ffffffff81b31770 ffffffff81b57b50 8000000117fdcde0
        800000020d323c18 ffffffff81b316d8 ffffffff81268658 0000000000000000
        0000000000000000 0000000000000000 0000000000000000 0000000000000000
        800000020c6ffe00 ffffffff811936b4 00000000811a7364 ffffffff81b316d8
        0000000081ae8c80 0000000081ca2180 dead4eadffffffff ffffffffffffffff
        800000020c6ffe30 800000020c6ffe30 800000020c6ffe50 0000000000000000
        0000000000000000 0000000000000000 800000020c6ffe70 ffffffff8113cdcc
        ...
Call Trace:
[<ffffffff81193cc0>] bit_waitqueue+0x40/0xe0
[<ffffffff81193de4>] wake_up_bit+0x2c/0x58
[<ffffffff81268644>] bdi_clear_pending+0x3c/0x50
[<ffffffff8126897c>] bdi_forker_thread+0x324/0x4a8
[<ffffffff811936b4>] kthread+0xa4/0xb0
[<ffffffff8113cdcc>] kernel_thread_helper+0x24/0x30

Workaround

N/A

Steps to Reproduce

/work/buildarea-ear/wrlinux-x/wrlinux/configure --enable-kernel=cgl --enable-rootfs=glibc_cgl --enable-board=cav_octeon2 --with-layer=/work/buildarea-ear/wr-testing/bts,/work/buildarea-ear/wr-testing/kts --enable-test=yes

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