Bug#554349: Possible libc fault?

[Björn Wiberg <Bjorn.Wiberg@its.uu.se>]

Noticed the following in /var/log/messages when this error occurred:

---8<---
Nov  4 04:00:21 bjornw kernel: [1130177.769451] rred[15549]: segfault at 
bf0cffa4 ip b7cd410f sp bf0cffa8 error 6 in libc-2.7.so[b7c6a000+155000]
Nov  4 04:00:21 bjornw cron-apt: CRON-APT RUN [/etc/cron-apt/config]: 
Wed Nov  4 04:00:01 CET 2009
Nov  4 04:00:21 bjornw cron-apt: CRON-APT SLEEP: 13, Wed Nov  4 04:00:14 
CET 2009
Nov  4 04:00:21 bjornw cron-apt: CRON-APT ACTION: 0-update
Nov  4 04:00:21 bjornw cron-apt: CRON-APT LINE: /usr/bin/apt-get update 
-o quiet=2
Nov  4 04:00:21 bjornw cron-apt: E: Method rred has died unexpectedly!
--->8---

...suggesting that perhaps libc is involved.

---8<---
root@bjornw:~# LC_ALL=C apt-cache policy libc6 libc6-i686
libc6:
  Installed: 2.7-18
  Candidate: 2.7-18
  Version table:
     2.10.1-5 0
         -2 http://ftp.se.debian.org unstable/main Packages
     2.9-25 0
         -1 http://ftp.se.debian.org testing/main Packages
 *** 2.7-18 0
        500 http://ftp.se.debian.org lenny/main Packages
        100 /var/lib/dpkg/status
libc6-i686:
  Installed: 2.7-18
  Candidate: 2.7-18
  Version table:
     2.10.1-5 0
         -2 http://ftp.se.debian.org unstable/main Packages
     2.9-25 0
         -1 http://ftp.se.debian.org testing/main Packages
 *** 2.7-18 0
        500 http://ftp.se.debian.org lenny/main Packages
        100 /var/lib/dpkg/status
root@bjornw:~#
---8<---

Also worth noticing: work-around (although it doesn't cure the cause):

apt-get update -o Acquire::Pdiffs=false

...then after that 'apt-get update' works as it should again.

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