An update on the ext4 corruption issue

Ted Ts'o has posted an update on the widely-reported ext4 corruption bug. There are some ideas regarding what could be causing the problem, but the bug hits so rarely that the developers involved have not yet been able to reproduce it. "The evidence at this point points to the bug requiring a combination of issues, perhaps certain hardware, certain mount options, and perhaps needing to win (lose) a race where you crash just as you are trying to unmount the file system."

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