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    SubjectRe: Reading a bad sector does not report failure as 'read error' but hangs PC with 'Machine Check Exception'
    After even more tests I found out the following:

    - Running 'dd_rescue /dev/sda1 /dev/zero' on the
    on-board Silicon Image Inc. SiI 3114 controller
    handles the bad sector just fine and does not give a
    MCE. This is on the same motherboard that does give
    the MCE error on the Nvidia port.

    The following SATA controllers are in that machine:
    * IDE interface: nVidia Corporation CK804 Serial ATA
    Controller (rev f3)
    * RAID bus controller: Silicon Image, Inc. SiI 3114
    [SATALink/SATARaid] Serial ATA Controller (rev 02)

    - Running the dd_rescue command om another PC with a
    different type of motherboard (M2NPV-VM) also with a
    Nvidia Nforce 4 (altough different) chipset work fine
    and reports the bad sector like the SiL 3114
    controller on the other PC.

    This PC has the following lspci listing for SATA
    * IDE interface: nVidia Corporation MCP51 Serial ATA
    Controller (rev a1)

    So I think there is a problem with this specific CK804
    ATA controller causing the MCE... Any clues?

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      Last update: 2007-07-30 22:33    [W:0.021 / U:167.780 seconds]
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