[Parted-maintainers] Bug#620107: reproducing 620107

chrysn chrysn at fsfe.org
Sat Mar 9 17:00:57 UTC 2013


> Assertion (last_usable <= disk->dev->length) at [...]

another situation in which this occurs is when a >2tb device is
connected via a controller that can't address more than 2tb of data.

my steps to reproduce:

* take a 3tb (3,000,592,982,016 byte) hard disk
* create a 1900gb partition using gdisk with a good controller
* create a hybrid mbr using gdisk, indicating the 1.9tb partition
* plug that device into a controller like the "JM20337 Hi-Speed USB to
  SATA & PATA Combo Bridge"
* launch (g)parted -- the backtrace looks essentially the same

in this example, the partition table is not technically corrupt, it's
consistent but doesn't match the device parameters.
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