This is METAFONT, Version 2.718 (Web2C 7.2) (base=mf 1998.10.11)  13 JUL 2000 09:41
**\mode:=ljfour; mag:=magstep(0.5); nonstopmode; input cmsy10
(/usr/share/texmf/fonts/source/public/cm/cmsy10.mf
(/usr/share/texmf/fonts/source/public/cm/cmbase.mf)
(/usr/share/texmf/fonts/source/public/cm/mathsy.mf
(/usr/share/texmf/fonts/source/public/cm/calu.mf [65] [66] [67] [68] [69]
[70] [71] [72] [73] [74] [75] [76] [77] [78] [79] [80] [81] [82] [83] [84]
[85] [86] [87] [88] [89] [90])
(/usr/share/texmf/fonts/source/public/cm/symbol.mf
! I can't find file `sym'.
l.23 input sym
              ;  % symbols common to other fonts
Please type another input file name
! Emergency stop.
l.23 input sym
              ;  % symbols common to other fonts
*** (job aborted, file error in nonstop mode)

Font metrics written on cmsy10.tfm.
Output written on cmsy10.657gf (26 characters, 7292 bytes).