The second backtrace looks a lot more accurate than the first;
ped_file_system_xfs_done doesn't do any arithmetic, while
_device_probe_geometry does. The change on that line from parted 1.6 to
1.7 was:
(1.6.25.1)
dev->hw_geom.cylinders
= dev->length / (dev->hw_geom.heads
* dev->hw_geom.sectors)
/ (dev->sector_size / PED_SECTOR_SIZE);
(1.7.1)
dev->hw_geom.cylinders
= dev->length / (dev->hw_geom.heads
* dev->hw_geom.sectors);
However, I think this change was accompanied by a number of other
significant rearrangements, so unfortunately it's probably rather
difficult to backport.
--
crashing with "Arithmetic exception"
https://launchpad.net/bugs/54219
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