Package: backuppc
Severity: important
When running
/usr/share/backuppc/bin/BackupPC_dump -v -f <client>
on our backup server process dies with signal 11 (segmenation fault)
after some time. This is 100% reproducable for some clients but
has not happened for others. On the client system we use mostly
for testing, the problem appears in a maildir directory with about
5000 files. The last lines of the log:
home/harald/Mail/verwaltung/cur/1109618977.3272_59.schnake:2,S got digests
1ca13600be6b6b4248e201fc23488bb2 vs 1ca13600be6b6b4248e201fc23488bb2
create 600 1000/1000 12481
home/harald/Mail/verwaltung/cur/1109618977.3272_59.schnake:2,S
home/harald/Mail/verwaltung/cur/1109618980.3272_62.schnake:2,S got digests
55d3397354e26a6cea55392744113669 vs 55d3397354e26a6cea55392744113669
create 600 1000/1000 1952
home/harald/Mail/verwaltung/cur/1109618980.3272_62.schnake:2,S
home/harald/Mail/verwaltung/cur/1109619100.3272_86.schnake:2,S got digests
2e42443954bb5f9f41c78017492e6d47 vs 2e42443954bb5f9f41c78017492e6d47
create 600 1000/1000 42742
home/harald/Mail/verwaltung/cur/1109619100.3272_86.schnake:2,S
Segmentation fault (core dumped)
When looking at the core it looks like that:
(gdb) backtrace
#0 0xb7e61203 in strlen () from /lib/tls/libc.so.6
#1 0x080cbe90 in Perl_newSVpv ()
#2 0xb7d47015 in XS_File__RsyncP__FileList_get () from
/usr/local/lib/perl/5.8.8/auto/File/RsyncP/FileList/FileList.so
#3 0x080c4981 in Perl_pp_entersub ()
#4 0x080bd469 in Perl_runops_standard ()
#5 0x0806520b in perl_run ()
#6 0x0805ffcd in main ()
Unluckily that was not helpful for me.
We tried to solve the problem by updating backuppc (Debian
testing newest version) and the File::RsyncP module (directly
from CPAN). That didn't changed the behavior. We also played
around with the rsync options (using -D instead of --devices
now). Also no change. We exchanged the rsync version on the
client going from 2.6.8 back to 2.6.4. No change.
Presently we use a Debian/testing with:
backuppc 2.1.2-5
perl 5.8.8-4
ibc6 2.3.6-7
File::RsyncP 0.64 (CPAN - not Debian)
Kernel 2.6.15-1-686
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