Messages in this thread | | | Date | Sun, 7 Dec 2008 13:16:01 +0100 | From | Folkert van Heusden <> | Subject | Fw: Re: [2.6.27] filesystem (ext3) corruption (access beyond end) |
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Ok I ran several disk-intensive jobs (git clone, kernel build, apt-get dist-upgrade) but none of those could trigger any bugs. BUT, running my http://vanheusden.com/pyk/ script, I definately can trigger the problem: [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
Very odd since the script only rmmod/insmods modules and trying to rmmod for example ext3-module shouldn';t be a problem since it is in use.
On Fri, Dec 05, 2008 at 10:46:39AM +0100, Randolf Pohl wrote: > I think, stable and gregkh should be CCed on this, > and yes, I guess this deserves some investigation. > > Regards, > > Randolf > > http://lkml.org/lkml/2008/12/4/246 > > Folkert van Heusden wrote: > > > Hi, > > > > With 2.6.26 and 2.6.27 a system of mine (a P4 with HT and IDE disk) > > gets massive disk-corruption: in dmesg warnings for access beyond > > drive end. > > Now this bug did not happen in 2.6.18 (debian kernel) and it seems to > > be gone in 2.6.28-rc* as well. > > My question now is: should it still be investigated?
Folkert van Heusden
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