gzip segmentation fault - but only some times
Paul Howarth
paul at city-fan.org
Mon Dec 20 10:36:52 UTC 2004
Chris wrote:
> Hi all,
>
> I have a daily backup script where I backup a database and later in the
> process, compress the backup files using
>
> for i in /home/tmp/*dbk
> do
> j=${i##/home/tmp/}.gz
> gzip -v < ${i} > /home/public/backup/stage/${j}
> done
>
> This usually works just fine (the compressed files are getting created
> in a different filesystem from the uncompressed backup files). But every
> few days, gzip crashes during the process and I get this output in the
> email cron sends:
>
> 73.6%
> 72.8%
> 72.6%
> 73.0%
> 72.5%
> /home/root/bin/backup: line 32: 27749 Segmentation fault gzip -v
> <${i} >/home/public/backup/stage/${j}
> 42.4%
> 46.6%
> 76.5%
>
> Has anybody seen this before? As you can see, 7 of the files are getting
> compressed just fine, one doesn't want to. It still outputs the
> compression percentage (42.4%) - but the output file is garbage:
>
> gunzip < phone-6-20041219.odbk.gz > /tmp/x.odbk
>
> gunzip: stdin: unexpected end of file
>
> Each of the input files (except the last one) is 2 GB (minus 1 byte) in
> size.
>
> Machine specs: FC2 with all the latest updates, X not running on the
> console, AMD 3200+ CPU, 1.5 GB memory, ASUS motherboard
>
> Any help would be appreciated.
How big is the the source file you are trying to compress?
Paul.
More information about the users
mailing list