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SubjectOOPS BUG at fs/ext4/inode.c:1853
Date
Hi,

Here is a kernel oops using the latest fedora 12 kernel. Machine is a Intel(R) Xeon(R) CPU E5430 @ 2.66GHz, running in 32bit mode, normal SATA disks. Filesystem was created in fedora 10, and machine upgraded via yum to Fedora 12. Is reproducible using "stress-1.0.2" from http://weather.ou.edu/~apw/projects/stress/

Command line to reproduce was: ./stress --cpu 4 --io 1 --vm 1 --vm-bytes 128M --hdd 1

Please cc any reply to me, and all help is appreciated.

Cheers,

Rusty
--
Rusty Conover
rconover@infogears.com
InfoGears Inc / GearBuyer.com / FootwearBuyer.com
http://www.infogears.com
http://www.gearbuyer.com
http://www.footwearbuyer.com

------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:1853!
invalid opcode: 0000 [#1] SMP
last sysfs file: /sys/devices/system/cpu/cpu3/cache/index2/shared_cpu_map
Modules linked in: w83793 w83627hf hwmon_vid i5k_amb coretemp ipmi_msghandler i2c_core ipt_LOG xt_multiport nf_conntrack_ftp cpufreq_ondemand acpi_cpufreq ipv6 pp
_pc i5000_edac edac_core e1000e serio_raw parport raid1 dm_multipath [last unloaded: i2c_i801]

Pid: 27992, comm: stress Not tainted (2.6.31.12-174.2.3.fc12.i686.PAE #1) X7DVL-3
EIP: 0060:[<c0527a75>] EFLAGS: 00010297 CPU: 3
EIP is at ext4_da_get_block_prep+0xef/0x246
EAX: 00000023 EBX: 0003a325 ECX: 00000023 EDX: 00000024
ESI: 00000000 EDI: d0bf6600 EBP: ed86bc90 ESP: ed86bc58
DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process stress (pid: 27992, ti=ed86a000 task=ea8db300 task.ti=ed86a000)
Stack:
df5c9cc0 df5c9cc0 f649b400 ffff0000 ffffffff 00000000 d0bf683c d0bf6600
<0> 00000000 d0bf6688 00000000 0003a325 00000000 c84f6500 ed86bce0 c04e4b1a
<0> df5c9cc0 00000001 ed86bcd4 df5c9cc0 d0bf6688 00001000 00000000 00000000
Call Trace:
[<c04e4b1a>] ? __block_prepare_write+0x11b/0x26d
[<c04e4de0>] ? block_write_begin+0x73/0xd8
[<c0527986>] ? ext4_da_get_block_prep+0x0/0x246
[<c049bc1f>] ? add_to_page_cache_lru+0x4f/0x58
[<c05276d1>] ? ext4_da_write_begin+0x1c8/0x252
[<c0527986>] ? ext4_da_get_block_prep+0x0/0x246
[<c049c497>] ? generic_file_buffered_write+0xd4/0x263
[<c049ca64>] ? __generic_file_aio_write_nolock+0x258/0x289
[<c049cd5e>] ? generic_file_aio_write+0x5f/0xb0
[<c051f809>] ? ext4_file_write+0xa3/0x11a
[<c04c8ae1>] ? do_sync_write+0xae/0xe9
[<c056f065>] ? file_has_perm+0x89/0xa3
[<c0450db9>] ? autoremove_wake_function+0x0/0x34
[<c056f355>] ? selinux_file_permission+0x49/0x4d
[<c056867f>] ? security_file_permission+0x14/0x16
[<c04c8ca2>] ? rw_verify_area+0x9d/0xc0
[<c04c8a33>] ? do_sync_write+0x0/0xe9
[<c04c907c>] ? vfs_write+0x85/0xe4
[<c04cf7ee>] ? path_put+0x1a/0x1d
[<c04c9179>] ? sys_write+0x40/0x62
[<c0408fbb>] ? sysenter_do_call+0x12/0x28
Code: 00 89 45 e0 8b 45 e0 e8 45 34 25 00 8b 4d e4 8b 45 ec 8b 91 2c 02 00 00 42 e8 75 bd ff ff 8b 7d e4 8b 97 30 02 00 00 39 d0 73 04 <0f> 0b eb fe 29 d0 89 45 d

EIP: [<c0527a75>] ext4_da_get_block_prep+0xef/0x246 SS:ESP 0068:ed86bc58
---[ end trace 156dd7e7b61aac87 ]---


# dumpe2fs -h /dev/md2
dumpe2fs 1.41.9 (22-Aug-2009)
Filesystem volume name: <none>
Last mounted on: /
Filesystem UUID: ec711783-a186-466e-a175-ac1fb30dddf7
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize
Filesystem flags: signed_directory_hash
Default mount options: user_xattr acl
Filesystem state: clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 28835840
Block count: 115340656
Reserved block count: 5767032
Free blocks: 96094336
Free inodes: 27927481
First block: 0
Block size: 4096
Fragment size: 4096
Reserved GDT blocks: 996
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 8192
Inode blocks per group: 512
Flex block group size: 16
Filesystem created: Mon Jan 5 16:15:36 2009
Last mount time: Tue Feb 2 16:17:09 2010
Last write time: Tue Feb 2 16:17:08 2010
Mount count: 29
Maximum mount count: -1
Last checked: Mon Jan 5 16:15:36 2009
Check interval: 0 (<none>)
Lifetime writes: 1158 MB
Reserved blocks uid: 0 (user root)
Reserved blocks gid: 0 (group root)
First inode: 11
Inode size: 256
Required extra isize: 28
Desired extra isize: 28
Journal inode: 8
First orphan inode: 101263
Default directory hash: half_md4
Directory Hash Seed: dd38dd1a-5e43-4e35-8c96-db5ac377591b
Journal backup: inode blocks
Journal size: 128M

[root@site-18 ~]# mount
/dev/md2 on / type ext4 (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
tmpfs on /dev/shm type tmpfs (rw)
/dev/md1 on /boot type ext3 (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)

[root@site-18 ~]# cat /proc/mdstat
Personalities : [raid1]
md1 : active raid1 sda1[0] sdb1[1]
10241280 blocks [2/2] [UU]

md2 : active raid1 sda3[0] sdb3[1]
461362624 blocks [2/2] [UU]

md0 : active raid1 sda2[0] sdb2[1]
16779776 blocks [2/2] [UU]

unused devices: <none>












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