error file system has incompatible(?) feature enabled ... what's this?

[Stefan Schober]

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Dear Sirs,

when trying to resize a EXT3 partition, I always find parted complaining
about incompatible(?) (or invalid?) features, that are enabled on the
partition. I don't know, which features parted is talking of and
therefor I don't know, how to fix this. Can you perhaps shed some light
on this nasty behaviour?

Here is the output of "parted /dev/hda3 print"
Disk geometry for /dev/ide/host0/bus0/target0/lun0/disc: 0.000-39083.625
megabytes
Disk label type: msdos
Minor    Start       End     Type      Filesystem  Flags
1          0.031    101.975  primary   ext3        boot
2        101.975   1129.570  primary   linux-swap
3       1129.570  16386.613  primary   ext3


with kind regards
        s. schober
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