dpkg fails in process_queue (bug #41611)

[Stephane Bortzmeyer <bortzmeyer@pasteur.fr>]

Anyone else has it? How can I go back to a working dpkg?
				
Package: dpkg
Version: 1.4.1.4
Severity: grave

This morning, after a potato's apt-get dist-upgrade:

ishtar:~/tmp> sudo  dpkg --configure -a
dpkg: ../../../main/packages.c:191: process_queue: Assertion `dependtry <= 4' 
failed.
Abort


How do I get out from here? apt-get triggers the same problem:

ishtar:~> sudo apt-get dist-upgrade
Reading Package Lists... Done
Building Dependency Tree... Done
Calculating Upgrade... Done
0 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
2 packages not fully installed or removed.
Need to get 0B of archives. After unpacking 0B will be used.
Do you want to continue? [Y/n] y
dpkg: ../../../main/packages.c:191: process_queue: Assertion `dependtry <= 4' 
failed.
E: Sub-process exited unexpectedly