I ran into this problem with Mandrake 9.1 (RPM 4.0.4) last week. I'm
happy to share the summary of all the things that I've done to fix the
problem.
PROBLEM: rpm -qa hangs
# ps -f -C rpmq
UID PID PPID C STIME TTY TIME CMD
root 27495 30729 0 13:25 pts/6 00:00:00 /usr/lib/rpm/rpmq -q --all
# strace -p 27495
select(0, NULL, NULL, NULL, {0, 80000}) = 0 (Timeout)
select(0, NULL, NULL, NULL, {1, 0}) = 0 (Timeout)
select(0, NULL, NULL, NULL, {1, 0}) = 0 (Timeout)
select(0, NULL, NULL, NULL, {1, 0}) = 0 (Timeout)
select(0, NULL, NULL, NULL, {1, 0}) = 0 (Timeout)
select(0, NULL, NULL, NULL, {1, 0}) = 0 (Timeout)
SOLUTION:
rm -f /var/lib/rpm/__db* (remove stale locks)
PROBLEM: rpm database has damaged header instance
IMPACT:
1. rpm -qa segfaults
2. rpm --rebuilddb segfaults
3. rpm -ivh spews these error messages:
rpmdb: Overflow page 5380 of invalid type
error: db4 error(-30979) from db->verify: DB_VERIFY_BAD: Database
verification failed
4. rm -f /var/lib/rpm/__db*; db_verify /var/lib/rpm/Packages
db_verify: Overflow page 5380 of invalid type
db_verify: DB->verify: Packages: DB_VERIFY_BAD: Database verification
failed
SOLUTION:
1. run rpm -qa. note the last displayed rpm before the segfault.
this causes the problem (at least in my case).
2. cd /var/lib/
3. tar czvf /tmp/rpmdb.tar.gz rpm (backup)
4. cd rpm
5. rm -f /var/lib/rpm/__db*
6. mv Packages Packages.orig
7. install db4-utils package
8. db_dump Packages.orig | db_load Packages
9. download pre-compiled binary of rpm 4.1 from
ftp://ftp.rpm.org/pub/rpm/dist/rpm-4.1.x/rpm-4.1.i386.tar.gz
and untar it to a temporary directory
10. run rpm --rebuilddb -vv using rpm 4.1 (problem header will be
skipped)
11. run rpm --rebuilddb -vv using rpm 4.0.4
12. rpm -qa should not segfault
13. reinstall the problem rpm
14. rm -rf /var/lib/rpmrebuilddb.* (optional)
REFERENCES:
http://rpm.redhat.com/hintskinks/repairdb/
http://www.ale.org/archive/ale/ale-2002-03/msg00063.html
http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=99136
http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=57684
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