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 lsof 4.99.5 is not working correctly

Steve Purton's profile image
Steve Purton posted Mon February 02, 2026 05:47 PM

After installing lsof 4.99.5 on a test server running AIX 7.2 TL05 SP7, I receive errors when querying file systems. Is a solution in the works?

lsof -v - works

lsof -u root - works

lsof /tmp
lsof: WARNING: can't stat() jfs2 file system
      Output information may be incomplete.
      assuming "dev=0x80000000" from mount table
lsof: WARNING: can't stat() jfs2 file system
      Output information may be incomplete.
      assuming "dev=0x80000000" from mount table
lsof: WARNING: can't stat() jfs2 file system
      Output information may be incomplete.
      assuming "dev=0x80000000" from mount table