I can confirm the bug still happens on latest karmic:
...
Generating core.img
grub-probe: error: no mapping exists for `isw_ecjeghdcbi_vaio1'
Auto-detection of a filesystem module failed.
Please specify the module with the option `--modules' explicitly.
...
I can confirm the bug still happens on latest karmic: _vaio1'
...
Generating core.img
grub-probe: error: no mapping exists for `isw_ecjeghdcbi
Auto-detection of a filesystem module failed.
Please specify the module with the option `--modules' explicitly.
...