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support for EXT2FS. Note that the Sig-11 problems appear to be caused by this, but there is still probably an underlying VM problem that let this clustering bug cause vnode objects to appear to be corrupted. The direct manifestation of this bug would have been severely mis-read files. It is possible that processes would Sig-11 on very damaged input files and might explain the mysterious differences in system behaviour when phk's malloc is being used.