From: bugme-daemon@bugzilla.kernel.org
Subject: [Bug 12272] New: at random rmmod/insmod corrupts filesystem
Date: Mon, 22 Dec 2008 06:01:40 -0800 (PST)
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Summary: at random rmmod/insmod corrupts filesystem
Product: File System
Version: 2.5
KernelVersion: 2.6.26 and 2.6.27
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: ext3
AssignedTo: fs_ext3@kernel-bugs.osdl.org
ReportedBy: folkert@vanheusden.com
Latest working kernel version: 2.6.18
Earliest failing kernel version: 2.6.26
Distribution: Debian
Hardware Environment: P4 (with HT), IDE disk (PATA), 512MB ram
Software Environment: http://vanheusden.com/pyk/
Problem Description: filesystem corrupted:
[85202.195563] rtc0: alarms up to one month, y3k, hpet irqs
[85204.035802] journal_bmap: journal block not found at offset 2060 on dm-0
[85204.035818] Aborting journal on device dm-0.
[85311.242093] ext3_abort called.
[85311.242120] EXT3-fs error (device dm-0): ext3_journal_start_sb: Detected
aborted journal
[85311.242154] Remounting filesystem read-only
[86331.285847] EXT3-fs error (device dm-0): htree_dirblock_to_tree: bad entry
in directory #24568: rec_len % 4 != 0 - offset=0, inode=4098364138,
rec_len=59542, name_len=76
[89931.353863] EXT3-fs error (device dm-0): htree_dirblock_to_tree: bad entry
in directory #24568: rec_len % 4 != 0 - offset=0, inode=4098364138,
rec_len=59542, name_len=76
[92499.263276] attempt to access beyond end of device
[92499.263296] dm-2: rw=17, want=4177066240, limit=6004736
[92499.263311] Buffer I/O error on device dm-2, logical block 522133279
[92499.263333] lost page write due to I/O error on dm-2
[92499.263341] Aborting journal on device dm-2.
[92499.263504] ext3_abort called.
[92499.263515] EXT3-fs error (device dm-2): ext3_journal_start_sb: Detected
aborted journal
[92499.263543] Remounting filesystem read-only
[93531.419902] EXT3-fs error (device dm-0): htree_dirblock_to_tree: bad entry
in directory #24568: rec_len % 4 != 0 - offset=0, inode=4098364138,
rec_len=59542, name_len=76
Steps to reproduce: run pyk script and run something like a git clone of the
mainline kernel git tree, rm -rf the tree, touch /forcefsk, reboot
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