I backported 2.6.38 from sid to squeeze, and the machine is running fine since then. I tried to reproduce the problem with my test case, with no luck. So, it seems that changes that have been performed to the MM subsystem (specifically, the patch I referred to in a previous post) do solve this issue.
Therefore anyone else encountering the same problem is strongly encouraged to upgrade his kernel to a kernel version >= 2.6.38 Giuseppe -- Giuseppe Lavagetto, Ph.d. Systems Manager and Developer - Gruppo Immobiliare.it s.r.l. -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org