Comment 32 for bug 1895563

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Brendan Boerner (brendan-karakhorum) wrote :

Kernel release bisection:

cosmic: 4.18.0-26: incremental, dry-run: panic about 303GB
cosmic: 4.18.0-26: incremental, dry-run: panic about 21GB
cosmic: 4.18.0-26: incremental, dry-run: panic about 22GB

disco: 4.19.0-13: incremental, dry-run: testing: success

The first run using 4.18.0-26 that was able to get to 303GB before panic is intriguing (it's why I ran it twice). All previous panics when doing an incremental rsync were ~20-22GB in (ala the subsequent two runs).

The only thing we can say with certainty is the problem did not reproduce using 4.19.0-13. If the problem is a stack overflow then any changes in stack size, or different paths which use less stack, would result in the problem being less visible using the amount of data I'm copying (~1.4TB).