1. After this operation, 582 kB of additional disk space will be used.
2. Do you want to continue [Y/n]? y
3. FATAL -> Failed to fork.
4. debconf: apt-extracttemplates failed: Bad file descriptor
5. (Reading database ... 31437 files and directories currently installed.)
6. Unpacking x11-common (from .../x11-common_1%3a7.5+8+squeeze1_all.deb) ...
7. Use of uninitialized value in pattern match (m//) at /usr/share/perl5/Debconf/FrontEnd/ScreenSize.pm line 33.
8. Use of uninitialized value in pattern match (m//) at /usr/share/perl5/Debconf/FrontEnd/ScreenSize.pm line 48.
9. open2: fork failed: Cannot allocate memory at /usr/share/perl5/Debconf/ConfModule.pm line 59
10. dpkg: error processing /var/cache/apt/archives/x11-common_1%3a7.5+8+squeeze1_all.deb (--unpack):
11.  subprocess new pre-installation script returned error exit status 12
12. configured to not write apport reports
13.                                       Errors were encountered while processing:
14.  /var/cache/apt/archives/x11-common_1%3a7.5+8+squeeze1_all.deb
15. E: Sub-process /usr/bin/dpkg returned an error code (1)
16.