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    SubjectRe: EXT2-fs error
    On Sat, 24 Feb 2001, Alan Cox wrote:

    >> I have seen similar problems on stock 2.4.2 a machine which has not run
    >> 2.4.1.
    >
    >What disk controllers ? We really need that sort of info in order to see the
    >pattern in the odd reports of corruption we get
    >
    >-
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    I also just ran into the ext2 bug:

    Feb 25 06:27:05 morpheus kernel: EXT2-fs error (device ide0(3,1)):
    ext2_readdir:
    directory #881700 contains a hole at offset 0
    Feb 25 06:27:05 morpheus kernel: Remounting filesystem read-only

    I had been running 2.4.1 before upgrading to 2.4.2. My machine had been
    up with 2.4.1 for 13 days, then i added a system fan, then it was up for
    another 8 days after that with no problems.

    Up with 2.4.2 for about a day and I ran into the above ext2 error. I also
    have the VIA Apollo chipset:

    00:07.1 IDE interface: VIA Technologies, Inc. VT82C586 IDE [Apollo] (rev 10) (prog-if 8a [Master SecP PriP])
    Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
    Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
    Latency: 32 set
    Region 4: I/O ports at d000 [size=16]
    Capabilities: [c0] Power Management version 2
    Flags: PMEClk- AuxPwr- DSI- D1- D2- PME-
    Status: D0 PME-Enable- DSel=0 DScale=0 PME-

    Also, during boot phase I had been manually running:

    /sbin/hdparm -d1 /dev/hda

    To turn on DMA on my primary disk since the 2.2.x series didn't turn this
    on by default. /dev/hda is a Western Digital:

    Feb 25 12:35:37 morpheus kernel: hda: WDC WD273BA, ATA DISK drive
    Feb 25 12:35:37 morpheus kernel: ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
    Feb 25 12:35:37 morpheus kernel: hda: 53464320 sectors (27374 MB) w/1961KiB Cache, CHS=3328/255/63


    Let me know if there is any other information I can provide. I also have
    a notebook which as been running 2.4.2 without trouble for a few days.
    This notebook has an Intel IDE controller. Seems to me like this is a VIA
    Apollo bug...... Thanks.


    -Michael F. Brown, UMass Lowell Computer Science

    phone: (978) 934-5354
    email: mbrown@cs.uml.edu

    int *x; while (1) { x = (int *) malloc (sizeof (int)); }

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