I had a same problem on hardy with p7zip 4.57 when compressing large amount of small files. After upgrading p7zip to 9.04beta bug has gone.
-- creating a 7zip gives error https://bugs.launchpad.net/bugs/150373 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
