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    SubjectRe: [CRASH] gdth / __block_prepare_write: zeroing uptodate buffer! / NMI Watchdog detected LOCKUP
    On Tue, Feb 26, 2002 at 11:20:06AM -0800, Andrew Morton wrote:
    > Florian Lohoff wrote:
    > >
    > > On Tue, Feb 26, 2002 at 11:04:55AM -0800, Andrew Morton wrote:
    > > > > __block_prepare_write: zeroing uptodate buffer!
    > > >
    > > > Yup. This happens when the disk fills up. Andrea and I were
    > > > discussing it over the weekend. There's a new patch in the -aa
    > > > kernels which doesn't quite fix it :(
    > > >
    > > > We'll fix it in 2.4.19-pre somehow. It's possible that this problem
    > > > causes a chnuk of zeroes to be written into the file when you hit
    > > > ENOSPC, which is rather rude. But your file was truncated anyway.
    > >
    > > I dont think the machine had full filesystems at all.
    >
    > I/O error when reading filesystem metadata would also cause it.

    Indeed. Looks like gdth gone wild and that triggered the cleanup slowpath.

    Andrea
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