In article , Lee
writes

Long story but turns out that
Windows 8 suddenly wasn't happy with the partition table flags, but it
had been for several days prior to that point...

Someone posted on uk.comp.homebuilt recently about massive corruption of
an NTFS volume which was used by both Win8 and Linux. I suggested that
M$ might have made some subtle change to NTFS in Win8 which broke the
Linux NTFS code, but the thread was inconclusive.

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