[tbox-l] unzip 5.51 and large files

[<AMO...@ds...>]

All,

I installed the unzip 5.51 RPM from the AIX Toolbox in order to unzip some 
rather large (PKZIPed) files. Is it turns out I'm having some issues (with 
unzipping) *cough*.

-------------8<----------------------------
# unzip -v
UnZip 5.51 of 22 May 2004, by Info-ZIP.  Maintained by C. Spieler.  Send
bug reports using http://www.info-zip.org/zip-bug.html; see README for 
details.

Latest sources and executables are at ftp://ftp.info-zip.org/pub/infozip/ 
;
see ftp://ftp.info-zip.org/pub/infozip/UnZip.html for other sites.

Compiled with cc for Unix (IBM AIX) on Sep 27 2004.

UnZip special compilation options:
        COPYRIGHT_CLEAN (PKZIP 0.9x unreducing method not supported)
        LZW_CLEAN (PKZIP/Zip 1.x unshrinking method not supported)
        SET_DIR_ATTRIB
        TIMESTAMP
        USE_EF_UT_TIME
        USE_DEFLATE64 (PKZIP 4.x Deflate64(tm) supported)
        VMS_TEXT_CONV
        [decryption, version 2.9 of 05 May 2000]

UnZip and ZipInfo environment options:
           UNZIP:  [none]
        UNZIPOPT:  [none]
         ZIPINFO:  [none]
      ZIPINFOOPT:  [none]
# ls -al FDST20050311H.zip 
-rw-r--r--   1 root     system   2274951675 Oct 11 21:25 FDST20050311H.zip
# file FDST20050311H.zip 
FDST20050311H.zip: PKZIP (.zip) compressed archive
# unzip FDST20050311H.zip 
Archive:  FDST20050311H.zip
  End-of-central-directory signature not found.  Either this file is not
  a zipfile, or it constitutes one disk of a multi-part archive.  In the
  latter case the central directory and zipfile comment will be found on
  the last disk(s) of this archive.
unzip:  cannot find zipfile directory in one of FDST20050311H.zip or
        FDST20050311H.zip.zip, and cannot find FDST20050311H.zip.ZIP, 
period.
# 
-------------8<----------------------------

As you can see, the file in question IS rather large. As a side note, a 
file that is 1,663,008,768 bytes in size unzips just fine.

 A truss gives:

-------------8<----------------------------
kcsusdv01001:/ft/orabck# truss -fa unzip FDST20050311H.zip
647198: execve("/bin/unzip", 0x2FF22AC0, 0x2FF22ACC)     argc: 2
647198:  argv: unzip FDST20050311H.zip
647198: __loadx(0x03020000, 0x2FF229C0, 0x00000050, 0xDEADBEEF, 
0xDEADBEEF) = 0x00000000
647198: __loadx(0x0A040000, 0xD036915C, 0x00000000, 0x5F5F7274, 
0x00000000) = 0x00000000
647198: _sigaction(2, 0x2FF22950, 0x2FF22960)           = 0
647198: _sigaction(15, 0x2FF22950, 0x2FF22960)          = 0
647198: _sigaction(10, 0x2FF22950, 0x2FF22960)          = 0
647198: _sigaction(11, 0x2FF22950, 0x2FF22960)          = 0
647198: sbrk(0x00000000)                                = 0x20017770
647198: sbrk(0x00010010)                                = 0x20017770
647198: sbrk(0x00020010)                                = 0x20027780
647198: statx("FDST20050311H.zip", 0x20016DE8, 128, 010) = 0
647198: open("FDST20050311H.zip", O_RDONLY|O_LARGEFILE) = 3
647198: kioctl(1, 1074295912, 0x2FF22830, 0x00000000)   = 0
Archive:  FDST20050311H.zip
647198: kwrite(1, " A r c h i v e :     F D".., 28)     = 28
647198: kfcntl(1, F_GETFL, 0x2FF22FFC)                  = 67110914
647198: klseek(3, 0, 0, 0x00000000)                     = 0
647198: kreadv(3, 0x2FF22780, 2, 0x00000000)            Err#22 EINVAL
647198: kioctl(1, 1074295912, 0x2FF227B0, 0x00000000)   = 0
  End-of-central-directory signature not found.  Either this file is not
  a zipfile, or it constitutes one disk of a multi-part archive.  In the
  latter case the central directory and zipfile comment will be found on
  the last disk(s) of this archive.
647198: kwrite(2, "     E n d - o f - c e n".., 255)    = 255
647198: kfcntl(2, F_GETFL, 0x2FF22FFC)                  = 67110914
647198: close(3)                                        = 0
647198: statx("FDST20050311H.zip.zip", 0x20016DE8, 128, 010) Err#2  ENOENT
647198: statx("FDST20050311H.zip.ZIP", 0x20016DE8, 128, 010) Err#2  ENOENT
647198: kioctl(1, 1074295912, 0x2FF22830, 0x00000000)   = 0
unzip:  cannot find zipfile directory in one of FDST20050311H.zip or
        FDST20050311H.zip.zip, and cannot find FDST20050311H.zip.ZIP, 
period.
647198: kwrite(2, " u n z i p :     c a n n".., 147)    = 147
647198: kfcntl(2, F_GETFL, 0x2FF22FFC)                  = 67110914
647198: __loadx(0x04000000, 0x2FF20990, 0x00002000, 0xF01E48B0, 
0x00000000) = 0x00000000
647198: kfcntl(1, F_GETFL, 0x00000001)                  = 67110914
647198: kfcntl(2, F_GETFL, 0x00000000)                  = 67110914
647198: _exit(9)
kcsusdv01001:/ft/orabck# 
-------------8<----------------------------

Not being terribly good at reading trusses, what am I looking at here? Is 
it the ol' 2GB limit?

File system is jfs2. Running 5.2ML06, 64-bit kernel. 4GB RAM, ~90GB free 
space in the file system.

Thanks!
-- 
Mick Ohrberg
DST Output, Kansas City


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