> Check your environment variables and your local installed TeX files. There is no problem after deinstalling russian/pscyr port and reinstalling Texlive.
$ cat test.tex \documentclass[a4paper,12pt]{article} \begin{document} some text $int$ \end{document} $ rm -rf ${HOME}/.texlive2009 $ pdflatex test.tex This is pdfTeX, Version 3.1415926-1.40.10 (PuffTeX-2009) entering extended mode (./test.tex LaTeX2e <2009/09/24> Babel <v3.8l> and hyphenation patterns for english, usenglishmax, dumylang, noh yphenation, german-x-2009-06-19, ngerman-x-2009-06-19, ancientgreek, ibycus, ar abic, basque, bulgarian, catalan, pinyin, coptic, croatian, czech, danish, dutc h, esperanto, estonian, farsi, finnish, french, galician, german, ngerman, mono greek, greek, hungarian, icelandic, indonesian, interlingua, irish, italian, ku rmanji, latin, latvian, lithuanian, mongolian, mongolian2a, bokmal, nynorsk, po lish, portuguese, romanian, russian, sanskrit, serbian, slovak, slovenian, span ish, swedish, turkish, ukenglish, ukrainian, uppersorbian, welsh, loaded. (/usr/local/share/texmf-dist/tex/latex/base/article.cls Document Class: article 2007/10/19 v1.4h Standard LaTeX document class (/usr/local/share/texmf-dist/tex/latex/base/size12.clo)) No file test.aux. [1{/usr/local/share/texmf/fonts/map/pdftex/updmap/pdftex.map}] (./test.aux) )</ usr/local/share/texmf-dist/fonts/type1/public/amsfonts/cm/cmmi12.pfb></usr/loca l/share/texmf-dist/fonts/type1/public/amsfonts/cm/cmr12.pfb> Output written on test.pdf (1 page, 19303 bytes). Transcript written on test.log. But there is problem if I include following lines to test.tex: \usepackage[koi8-r]{inputenc} \usepackage[russian]{babel} $ cat test.tex \documentclass[a4paper,12pt]{article} \usepackage[koi8-r]{inputenc} \usepackage[russian]{babel} \begin{document} some text $int$ \end{document} $ rm -rf ${HOME}/.texlive2009 $ pdflatex test.tex This is pdfTeX, Version 3.1415926-1.40.10 (PuffTeX-2009) entering extended mode (./test.tex LaTeX2e <2009/09/24> Babel <v3.8l> and hyphenation patterns for english, usenglishmax, dumylang, noh yphenation, german-x-2009-06-19, ngerman-x-2009-06-19, ancientgreek, ibycus, ar abic, basque, bulgarian, catalan, pinyin, coptic, croatian, czech, danish, dutc h, esperanto, estonian, farsi, finnish, french, galician, german, ngerman, mono greek, greek, hungarian, icelandic, indonesian, interlingua, irish, italian, ku rmanji, latin, latvian, lithuanian, mongolian, mongolian2a, bokmal, nynorsk, po lish, portuguese, romanian, russian, sanskrit, serbian, slovak, slovenian, span ish, swedish, turkish, ukenglish, ukrainian, uppersorbian, welsh, loaded. (/usr/local/share/texmf-dist/tex/latex/base/article.cls Document Class: article 2007/10/19 v1.4h Standard LaTeX document class (/usr/local/share/texmf-dist/tex/latex/base/size12.clo)) (/usr/local/share/texmf-dist/tex/latex/base/inputenc.sty (/usr/local/share/texmf-dist/tex/latex/cyrillic/koi8-r.def)) (/usr/local/share/texmf-dist/tex/generic/babel/babel.sty (/usr/local/share/texmf-dist/tex/generic/babel/russianb.ldf (/usr/local/share/texmf-dist/tex/generic/babel/babel.def) (/usr/local/share/texmf-dist/tex/latex/cyrillic/t2aenc.def))) No file test.aux. (/usr/local/share/texmf-dist/tex/latex/cyrillic/t2acmr.fd) kpathsea: Running mktextfm larm1200 mktextfm: Running mf-nowin -progname=mf \mode:=ljfour; mag:=1; nonstopmode; input larm1200 This is METAFONT, Version 2.718281 (PuffTeX-2009) kpathsea: Running mktexmf larm1200 mktexmf: /home/aix-d/.texlive2009/texmf-var/fonts/source/lh/lh-t2a/larm1200.mf: successfully generated. (/home/aix-d/.texlive2009/texmf-var/fonts/source/lh/lh-t2a/larm1200.mf (/usr/local/share/texmf-dist/fonts/source/lh/base/fikparm.mf (/usr/local/share/texmf-dist/fonts/source/public/cm/cmbase.mf) (/usr/local/share/texmf-dist/fonts/source/lh/base/lcyrbeg.mf) (/usr/local/share/texmf-dist/fonts/source/lh/base/lkligtbl.mf) >> 12 >> "input ecrm" (/usr/local/share/texmf-dist/fonts/source/jknappen/ec/ecrm.mf) (/usr/local/share/texmf-dist/fonts/source/lh/lh-t2a/lacodes.mf) (/usr/local/share/texmf-dist/fonts/source/lh/base/lcyrdefs.mf) (/usr/local/share/texmf-dist/fonts/source/lh/base/leroman.mf (/usr/local/share/texmf-dist/fonts/source/lh/base/lxpseudo.mf) (/usr/local/share/texmf-dist/fonts/source/jknappen/ec/exrulett.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/local/share/texmf-dist/fonts/source/jknappen/ec/exrllett.mf [97] [98] [99] [100] [101] [102] [103] [104] [105] [106] [107] [108] [109] [110] [111] [112] [113] [114] [115] [116] [117] [118] [119] [120] [121] [122]) (/usr/local/share/texmf-dist/fonts/source/lh/base/lgcyru.mf (/usr/local/share/texmf-dist/fonts/source/lh/base/lgrusu.mf [192] [193] [194] [195] [196] [197] [198] [199] [200] [201] [202] [203] [204] [205] [206] [207] [208] [209] [210] [211] [212] [213] [214] [215] [216] [217] [218] [219] [220] [221] [222] [223] [156]) (/usr/local/share/texmf-dist/fonts/source/lh/base/lgt2comu.mf [131] [130] [136] [135] [155] [143] [150] [128] [142] [144] [146] [153]) (/usr/local/share/texmf-dist/fonts/source/lh/base/lgt2upu.mf [129] [132] [133] [134] [137] [138] [141] [145] [147] [148] [149] [152] [154]) (/usr/local/share/texmf-dist/fonts/source/lh/base/lgt2lou.mf [140] [139] [151])) (/usr/local/share/texmf-dist/fonts/source/lh/base/lgcyrl.mf (/usr/local/share/texmf-dist/fonts/source/lh/base/lgrusl.mf [224] [225] [226] [227] [228] [229] [230] [231] [232] [233] [234] [235] [236] [237] [238] [239] [240] [241] [242] [243] [244] [245] [246] [247] [248] [249] [250] [251] [252] [253] [254] [255] [188]) (/usr/local/share/texmf-dist/fonts/source/lh/base/lgt2coml.mf [163] [162] [167] [187] [175] [182] [160] [168] [174] [176] [178] [185]) (/usr/local/share/texmf-dist/fonts/source/lh/base/lgt2upl.mf [161] [164] [165] [166] [169] [170] [173] [177] [179] [180] [181] [184] [186]) (/usr/local/share/texmf-dist/fonts/source/lh/base/lgt2lol.mf [172] [171] [183])) (/usr/local/share/texmf-dist/fonts/source/lh/base/lgcyrsym.mf [13] [14] [15] [22] [24] [23] [34] [157] [158] [159] [189] [190] [191]) (/usr/local/share/texmf-dist/fonts/source/lh/base/lgengsym.mf [16] [17] [21] [32] [33] [35] [36] [37] [39] [40] [41] [42] [43] [44] [45] [46] [47] [58] [59] [60] [62] [61] [64] [91] [92] [93] [94] [95] [96] [123] [124] [125] [126] [127]) (/usr/local/share/texmf-dist/fonts/source/lh/base/lgromp.mf [38] [63]) (/usr/local/share/texmf-dist/fonts/source/lh/base/lgrdigit.mf [48] [49] [50] [51] [52] [53] [54] [55] [56] [57]) (/usr/local/share/texmf-dist/fonts/source/lh/base/lgrlig.mf [25] [26] [28] [27] [29] [30] [31]) (/usr/local/share/texmf-dist/fonts/source/lh/base/lgcyracc.mf [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [19] [20] [18]) (/usr/local/share/texmf-dist/fonts/source/lh/base/llvligtb.mf) (/usr/local/share/texmf-dist/fonts/source/lh/base/llrligtb.mf) (/usr/local/share/texmf-dist/fonts/source/lh/lh-t2a/laliker.mf) ) ) ) (some charht values had to be adjusted by as much as 0.07143pt) Font metrics written on larm1200.tfm. Output written on larm1200.600gf (256 characters, 59068 bytes). Transcript written on larm1200.log. mktextfm: /home/aix-d/.texlive2009/texmf-var/fonts/tfm/lh/lh-t2a/larm1200.tfm: successfully generated. [1{/usr/local/share/ texmf/fonts/map/pdftex/updmap/pdftex.map}] (./test.aux) ) !pdfTeX error: pdflatex (file cm-super-t2a.enc): cannot open encoding file for reading ==> Fatal error occurred, no output PDF file produced! How to fix it? Best regards, Alexander.