I haven't solved the lockup problem with kernel 2.6.25 from kernel-ppa repository. It locks up too, in the same way (no kernel panic, no blinking lights. The only thing it seems to work is using the old 2.6.22 inherited from Gutsy.
I work at a computer shop and I have tested a lot of machines with Hardy. The only conclusion I can extract now is that lockups are only happening with the 386 kernel, not with the AMD64 edition.
I haven't solved the lockup problem with kernel 2.6.25 from kernel-ppa repository. It locks up too, in the same way (no kernel panic, no blinking lights. The only thing it seems to work is using the old 2.6.22 inherited from Gutsy.
I work at a computer shop and I have tested a lot of machines with Hardy. The only conclusion I can extract now is that lockups are only happening with the 386 kernel, not with the AMD64 edition.