[2.6.27.6] jfs on raid1 => attempt to access beyond end of device.
From: Paweł Sikora
Date: Thu Nov 20 2008 - 04:03:45 EST
hi,
few hours ago i've set up jfs filesystems on raid1 and raid0.
during restoring backup i've got an errors in dmesg.
the testcase on my system is easy and 100% reproducible:
just do the following command on jfs/raid1 device:
# dd if=/dev/zero of=testfile bs=1M count=4096
# fdisk -l /dev/sd{a,b}
Disk /dev/sda: 164.6 GB, 164696555520 bytes
255 heads, 63 sectors/track, 20023 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x0f800000
Device Boot Start End Blocks Id System
/dev/sda1 1 747 6000246 82 Linux swap /
Solaris
/dev/sda2 * 748 2206 11719417+ fd Linux raid
autodetect
/dev/sda3 2207 15093 103514827+ 83 Linux
/dev/sda4 15094 20023 39600225 83 Linux
Disk /dev/sdb: 164.6 GB, 164696555520 bytes
255 heads, 63 sectors/track, 20023 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x90909090
Device Boot Start End Blocks Id System
/dev/sdb1 1 747 6000246 82 Linux swap /
Solaris
/dev/sdb2 * 748 2206 11719417+ fd Linux raid
autodetect
/dev/sdb3 2207 15093 103514827+ 83 Linux
/dev/sdb4 15094 20023 39600225 83 Linux
# cat /proc/mdstat
Personalities : [raid1] [raid0]
md1 : active raid0 sda3[0] sdb3[1]
207029504 blocks 64k chunks
md0 : active raid1 sda2[0] sdb2[1]
11719296 blocks [2/2] [UU]
[ 5583.795772] attempt to access beyond end of device
[ 5583.795789] md0: rw=1, want=23438600, limit=23438592
[ 5583.795792] __ratelimit: 20 callbacks suppressed
[ 5583.795794] Buffer I/O error on device md0, logical block 2929824
[ 5583.795796] lost page write due to I/O error on md0
[ 5583.795799] attempt to access beyond end of device
[ 5583.795801] md0: rw=1, want=23438608, limit=23438592
[ 5583.795802] Buffer I/O error on device md0, logical block 2929825
[ 5583.795803] lost page write due to I/O error on md0
[ 5583.795806] attempt to access beyond end of device
[ 5583.795807] md0: rw=1, want=23438616, limit=23438592
[ 5583.795808] Buffer I/O error on device md0, logical block 2929826
[ 5583.795809] lost page write due to I/O error on md0
[ 5583.795813] attempt to access beyond end of device
[ 5583.795814] md0: rw=1, want=23438624, limit=23438592
[ 5583.795820] Buffer I/O error on device md0, logical block 2929827
[ 5583.795826] lost page write due to I/O error on md0
[ 5583.795833] attempt to access beyond end of device
[ 5583.795838] md0: rw=1, want=23438632, limit=23438592
[ 5583.795844] Buffer I/O error on device md0, logical block 2929828
[ 5583.795850] lost page write due to I/O error on md0
[ 5583.795857] attempt to access beyond end of device
[ 5583.795862] md0: rw=1, want=23438640, limit=23438592
[ 5583.795868] Buffer I/O error on device md0, logical block 2929829
[ 5583.795874] lost page write due to I/O error on md0
[ 5583.795881] attempt to access beyond end of device
[ 5583.795886] md0: rw=1, want=23438648, limit=23438592
[ 5583.795892] Buffer I/O error on device md0, logical block 2929830
[ 5583.795898] lost page write due to I/O error on md0
[ 5583.795905] attempt to access beyond end of device
[ 5583.795911] md0: rw=1, want=23438656, limit=23438592
[ 5583.795916] Buffer I/O error on device md0, logical block 2929831
[ 5583.795923] lost page write due to I/O error on md0
[ 5583.795929] attempt to access beyond end of device
[ 5583.795935] md0: rw=1, want=23438664, limit=23438592
[ 5583.795941] Buffer I/O error on device md0, logical block 2929832
[ 5583.795947] lost page write due to I/O error on md0
[ 5583.795954] attempt to access beyond end of device
[ 5583.795960] md0: rw=1, want=23438672, limit=23438592
[ 5583.795966] Buffer I/O error on device md0, logical block 2929833
[ 5583.795972] lost page write due to I/O error on md0
[ 5583.795978] attempt to access beyond end of device
[ 5583.795984] md0: rw=1, want=23438680, limit=23438592
[ 5583.795991] attempt to access beyond end of device
[ 5583.795997] md0: rw=1, want=23438688, limit=23438592
[ 5583.796004] attempt to access beyond end of device
[ 5583.796009] md0: rw=1, want=23438696, limit=23438592
[ 5583.796017] attempt to access beyond end of device
[ 5583.796022] md0: rw=1, want=23438704, limit=23438592
[ 5583.796030] attempt to access beyond end of device
[ 5583.796035] md0: rw=1, want=23438712, limit=23438592
[ 5583.796042] attempt to access beyond end of device
[ 5583.796048] md0: rw=1, want=23438720, limit=23438592
[ 5583.796055] attempt to access beyond end of device
[ 5583.796060] md0: rw=1, want=23438728, limit=23438592
[ 5583.796068] attempt to access beyond end of device
[ 5583.796074] md0: rw=1, want=23438736, limit=23438592
[ 5583.796081] attempt to access beyond end of device
[ 5583.796086] md0: rw=1, want=23438744, limit=23438592
[ 5583.796094] attempt to access beyond end of device
[ 5583.796099] md0: rw=1, want=23438752, limit=23438592
[ 5583.796107] attempt to access beyond end of device
[ 5583.796112] md0: rw=1, want=23438760, limit=23438592
[ 5583.796120] attempt to access beyond end of device
[ 5583.796125] md0: rw=1, want=23438768, limit=23438592
[ 5583.796132] attempt to access beyond end of device
[ 5583.796138] md0: rw=1, want=23438776, limit=23438592
[ 5583.796145] attempt to access beyond end of device
[ 5583.796150] md0: rw=1, want=23438784, limit=23438592
[ 5583.796157] attempt to access beyond end of device
[ 5583.796163] md0: rw=1, want=23438792, limit=23438592
[ 5583.796170] attempt to access beyond end of device
[ 5583.796176] md0: rw=1, want=23438800, limit=23438592
[ 5583.796183] attempt to access beyond end of device
[ 5583.796188] md0: rw=1, want=23438808, limit=23438592
[ 5583.796195] attempt to access beyond end of device
[ 5583.796202] md0: rw=1, want=23438816, limit=23438592
[ 5583.796208] attempt to access beyond end of device
[ 5583.796214] md0: rw=1, want=23438824, limit=23438592
[ 5583.796222] attempt to access beyond end of device
[ 5583.796227] md0: rw=1, want=23438832, limit=23438592
[ 5607.575701] JBD: Detected IO errors while flushing file data on md0
any ideas what's wrong?
BR,
Pawel.
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