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    SubjectRe: linux-2.5.5-xfs-dj1 troubles (raid0_make_request bug)
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    Date
    On Tue, 2002-02-26 at 05:22, svetljo wrote:
    > Hi
    > i'd like to ask you to CC me because i'm not subscribed to the lists
    >
    > i'm having some interesting troubles
    > i have lvm over soft RAID-0 with LV's formated with XFS and JFS
    > i can work with the JFS LV's,
    > but i can not with the XFS one's, i can not mount them ( no troubles
    > with XFS normal partitions)
    >
    > so
    > i'd like to ask is this problem with XFS or with raid or lvm
    > and is there a way to fix it
    >
    > thanks for your help
    >
    > here is what i found in dmesg
    >

    >
    > XFS mounting filesystem lvm(58,2)
    > raid0_make_request bug: can't convert block across chunks or bigger than
    > 16k 8323317 64
    > raid0_make_request bug: can't convert block across chunks or bigger than
    > 16k 8323445 64
    > I/O error in filesystem ("lvm(58,2)") meta-data dev 0xc0223a02 block
    > 0x601f7d
    > ("xlog_bread") error 5 buf count 131072
    > raid0_make_request bug: can't convert block across chunks or bigger than
    > 16k 8324829 29
    > I/O error in filesystem ("lvm(58,2)") meta-data dev 0xc0223a02 block
    > 0x602565
    > ("xlog_bread") error 5 buf count 30208

    XFS is sending a 64K request down to the driver, and raid0 is bouncing
    it as too large. Jens, I thought you said requests which were too large
    for underlying layers would get chopped up?

    Steve

    --

    Steve Lord voice: +1-651-683-3511
    Principal Engineer, Filesystem Software email: lord@sgi.com
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