From internet_everyone@yahoo.com Sun May 31 22:39:21 2015 Received: (at submit) by bugs.x2go.org; 31 May 2015 20:39:23 +0000 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on ymir.das-netzwerkteam.de X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,FREEMAIL_FROM, HTML_MESSAGE,T_DKIM_INVALID autolearn=ham version=3.3.2 Received: from nm35-vm6.bullet.mail.ne1.yahoo.com (nm35-vm6.bullet.mail.ne1.yahoo.com [98.138.229.102]) by ymir.das-netzwerkteam.de (Postfix) with ESMTPS id D6F895DA88 for ; Sun, 31 May 2015 22:39:20 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1433104759; bh=pAfjTHQL29Lpp8IynYKw5hXNqqILDvg0Ofe1faq3Fto=; h=Date:From:Reply-To:To:Subject:From:Subject; b=NigxgI/ivudOV6IE4OR5eEEoS9RV/BWpcsQFgESEXMQhz98tEUXrBMDJV/I65mf+w5RL+pXEv8MLtPnv/Yanvh0OeUmPhuRccxjUMNU9TwjnlU/UiTFPaOcWavETW0yb5PWyHTVfwRZS3yw9H0o9pIWiyv74wBqb7pgE12FONhDLqkzjVVUf1dKNnn6PJOYdCWsqui1KZAVnZdmEAIM1WpyEpTnVgDzujPjHhCsxq3Ggl/ngp8QUwV8+VomuL/CcmGnYdKcwuQRzI4Zgt3lPB6l1ohDH2c+tjw11azVLIxLhjAycBgULNph6nV5NqMZGujVrZbDGJhoYX2mRGIteDg== Received: from [127.0.0.1] by nm35.bullet.mail.ne1.yahoo.com with NNFMP; 31 May 2015 20:39:19 -0000 Received: from [98.138.100.115] by nm35.bullet.mail.ne1.yahoo.com with NNFMP; 31 May 2015 20:36:38 -0000 Received: from [98.138.87.3] by tm106.bullet.mail.ne1.yahoo.com with NNFMP; 31 May 2015 20:36:38 -0000 Received: from [127.0.0.1] by omp1003.mail.ne1.yahoo.com with NNFMP; 31 May 2015 20:36:38 -0000 X-Yahoo-Newman-Property: ymail-4 X-Yahoo-Newman-Id: 589756.19217.bm@omp1003.mail.ne1.yahoo.com X-YMail-OSG: Lb075RoVM1k8z23cTBtIEsC8ZP5GJRF3geNrfqp.bzMgYMpxpizzGfZfV_8TifH Hj77AZeMfY98xrqOXJiQJYw76r8FzjMItt38tzaMFyR9JGyQBwO4_AY7I6xQgVF7LVF1rUXsvQ82 czniYZyvFVPRGFi1EolSCA2uX7CJ7xnsaUE2pt6mEUMyUjCiKestm2WotU3cmAPxUOjgviEtw0h8 Y32.9Z3N7IpAQBx69sF0.YdtdLqvxB3w0Kjr8aH9XDIkiHzDH0W9Ke0G.WmLrCUvk0..Kus3tjOH qqq2sJP.bIYu3_nSIqgJkQjYN9Uy.O19xkhGRcalruwVkZ_AT7czFvCRzf6k12jhTexDgLdHrjib bbSjwHvdMhrhMPs_eT2aaQpKw6lgWtQeFUlyHa5SzgHfemMJgTkVioS9I7m5XEjBvaPbAdsX6pUD S0fYFofzRcqQkoo.gfnC3UYJKjocVJTF5.e1uuDhNBzynqYU8VV8T.wtJksBTj2DFmP6KHL6iqhp hQxtE_ACkodDg09v7AJ_RDFJOhVGeWbw0sA-- Received: by 98.138.105.248; Sun, 31 May 2015 20:36:38 +0000 Date: Sun, 31 May 2015 20:35:57 +0000 (UTC) From: devsk Reply-To: devsk To: "submit@bugs.x2go.org" Message-ID: <708412767.2173649.1433104557085.JavaMail.yahoo@mail.yahoo.com> Subject: nxagent fails to run with "Could not open default font 'fixed'" MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_2173648_543309729.1433104557076" ------=_Part_2173648_543309729.1433104557076 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Package: nx-libsVersion: 3.5.0.30Distro: Gentoo ~amd64, fully updated.x2goc= lient: 4.0.3.2x2server: 4.0.1.19nx-libs (package nx in gentoo): 3.5.0.30fon= tsproto: 2.1.3libXfont: 1.5.1xorg-server: 1.17.1All font packages for xorg-= x11 are installed and fonts.dir and fonts.alias files are correctly present= and readable.Detailed troubleshooting: =C2=A0https://forums.gentoo.org/vie= wtopic-p-7755384.html The client connects and the server spawns the nxagent but then the session = is unexpectedly terminated. Looking at the server side log, we see: Info: Using shared memory parameters 1/1/0/0K.=C2=A0Info: Using alpha chann= el in render extension.=C2=A0Info: Not using local device configuration cha= nges.=C2=A0keyboard file created=C2=A0Error: Aborting session with 'Could n= ot open default font 'fixed''.=C2=A0Session: Aborting session at 'Tue May 2= 6 23:22:22 2015'.=C2=A0Session: Session aborted at 'Tue May 26 23:22:22 201= 5'.=C2=A0 I ran the nxagent through strace -ff -tt -v and its clear that it loads all= fonts (at least it finds all font.alias and reads them fine) correctly. No= ne of the children it spawns run into any issues with missing files or fold= ers. The snippet below (you can read longer strace on gentoo forum post): 22:11:10.608011 open("/usr/share/fonts/100dpi/fonts.alias", O_RDONLY) =3D 4= =C2=A022:11:10.608108 fstat(4, {st_mode=3DS_IFREG|0644, st_size=3D3154, ...= }) =3D 0=C2=A022:11:10.608217 fstat(4, {st_mode=3DS_IFREG|0644, st_size=3D3= 154, ...}) =3D 0=C2=A022:11:10.608308 mmap(NULL, 4096, PROT_READ|PROT_WRITE= , MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =3D 0x7f29ca5a9000=C2=A022:11:10.608398= read(4, "lucidasans-bolditalic-8 -b&h-luc"..., 4096) =3D 3154=C2=A022:11:1= 0.608496 brk(0x1f01000) =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=3D 0x1f01000=C2= =A022:11:10.608688 read(4, "", 4096) =C2=A0 =C2=A0 =C2=A0 =3D 0=C2=A022:11:= 10.608781 close(4) =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0= =3D 0=C2=A022:11:10.608868 munmap(0x7f29ca5a9000, 4096) =3D 0=C2=A022:11:10= .609148 write(2, "Error: Aborting session with '", 30Error: Aborting sessio= n with ') =3D 30=C2=A022:11:10.609277 write(2, "Could not open default font= 'fix"..., 35Could not open default font 'fixed') =3D 35=C2=A022:11:10.6093= 95 write(2, "'.\n", 3'.=C2=A0) =C2=A0 =C2=A0 =3D 3=C2=A0 Looking at the code, the origin of the error is: =C2=A0 =C2=A0 =C2=A0 =C2=A0 InitFonts();=C2=A0=C2=A0 =C2=A0 =C2=A0 =C2=A0 i= f (loadableFonts) {=C2=A0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 SetFontP= ath(0, 0, (unsigned char *)defaultFontPath, &error);=C2=A0=C2=A0 =C2=A0 =C2= =A0 =C2=A0 } else {=C2=A0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 if (SetD= efaultFontPath(defaultFontPath) !=3D Success)=C2=A0=C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 ErrorF("failed to set default font path '%s= '",=C2=A0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 defaultFontPath);=C2=A0=C2=A0 =C2=A0 =C2=A0 =C2=A0 }=C2= =A0=C2=A0 =C2=A0 =C2=A0 =C2=A0 if (!SetDefaultFont(defaultTextFont))=C2=A0= =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 FatalError("could not open defaul= t font '%s'", defaultTextFont);=C2=A0 SetDefaultFont() is failing. Looking at that function (text below from IRC = channel): [19:57] SetDefaultFont(char *defaultfontname)[19:57] {[19:5= 7] =C2=A0 =C2=A0 int =C2=A0 =C2=A0 =C2=A0 =C2=A0 err;[19:57] =C2=A0 =C2=A0 FontPtr =C2=A0 =C2=A0 pf;[19:57] =C2=A0 =C2=A0 XID = =C2=A0 =C2=A0 =C2=A0 =C2=A0 fid;[19:57] =C2=A0 =C2=A0 fid =3D FakeC= lientID(0);[19:57] =C2=A0 =C2=A0 err =3D OpenFont(serverClient, fid= , FontLoadAll | FontOpenSync,[19:57] =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0(unsigned) strlen(defaultfontname)= , defaultfontname);[19:57] =C2=A0 =C2=A0 if (err !=3D Success)[19:5= 7] =C2=A0 =C2=A0 =C2=A0 =C2=A0 return FALSE;[19:57] =C2=A0 = =C2=A0 pf =3D (FontPtr) LookupIDByType(fid, RT_FONT);[19:57] =C2=A0= =C2=A0 if (pf =3D=3D (FontPtr) NULL)[19:57] =C2=A0 =C2=A0 =C2=A0 = =C2=A0 return FALSE;[19:57] =C2=A0 =C2=A0 defaultFont =3D pf;[19:57= ] =C2=A0 =C2=A0 return TRUE;[19:57] I have a feeling that L= ookupIDByType() is the one failing[19:58] OpenFont() has error path= s for malloc failures and none of those looked like plausible[19:58] LookupIDByType() was obsoleted quite a while ago in xorg code[19:59] nx-X11 of course is hanging onto old code[19:59] is it possible= that there is some interaction there with newer libXfont which is making t= hat function fail now[20:00] unfortunately for me, its not possible= to go back to libXfont-1.4. There is a bunch of crap which needs to be dow= ngraded as well. And dependency hell breaks loose if I try that[20:00] above snippet is in ./programs/Xserver/dix/dixfonts.c I did this experiment for localhost connection to avoid differences in clie= nt and server packages (which is not the case anyway because for me both cl= ient and remote server are Gentoo ~amd64 updated systems). Anybody got any ideas of why this is happening? Is it really about the newe= r fontsproto and libXfont not being compatible with nx-libs? Thanks,devsk ------=_Part_2173648_543309729.1433104557076 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Package: nx-libs
Version: 3.5.0.30
Distro: Gento= o ~amd64, fully updated.
x2goclient: 4.0.3.2
x2server: 4.0.1.19
nx-libs (package nx = in gentoo): 3.5.0.30
fontsproto: 2.1.3
libXfont: 1.5.1
xorg-server: 1.17.1
All font pac= kages for xorg-x11 are installed and fonts.dir and fonts.alias files are co= rrectly present and readable.
Detailed troubleshooting:  https://forums.g= entoo.org/viewtopic-p-7755384.html

The client connects= and the server spawns the nxagent but then the session is unexpectedly ter= minated. Looking at the server side log, we see:

Info:= Using shared memory parameters 1/1/0/0K. 
Info: Using alpha channel in r= ender extension. 
Info: Not using local device configuration changes.&nbs= p;
= keyboard file created 
Error: Aborting session with 'Could not open defau= lt font 'fixed''. 
Session: Aborting session at 'Tue May 26 23:22:22 2015= '. 
Session: Session aborted at 'Tue May 26 23:22:22 2015'. 

I ran the nxagent through strace -ff -tt -v and its clear = that it loads all fonts (at least it finds all font.alias and reads them fi= ne) correctly. None of the children it spawns run into any issues with miss= ing files or folders. The snippet below (you can read longer strace on gent= oo forum post):

22:11:10.608011 open("/usr/share/fonts= /100dpi/fonts.alias", O_RDONLY) =3D 4 
22:11:10.608108 fstat(4, {st_mode= =3DS_IFREG|0644, st_size=3D3154, ...}) =3D 0 
22:11:10.608217 fstat(4, {s= t_mode=3DS_IFREG|0644, st_size=3D3154, ...}) =3D 0 
22:11:10.608308 mmap(= NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =3D 0x7= f29ca5a9000 
22:11:10.608398 read(4, "lucidasans-bolditalic-8 -b&h-= luc"..., 4096) =3D 3154 
22:11:10.608496 brk(0x1f01000)     &nb= sp;    =3D 0x1f01000 
22:11:10.608688 read(4, "", 4096)   =     =3D 0 
22:11:10.608781 close(4)        =        =3D 0 
22:11:10.608868 munmap(0x7f29ca5a9000,= 4096) =3D 0 
22:11:10.609148 write(2, "Error: Aborting session with '",= 30Error: Aborting session with ') =3D 30 
22:11:10.609277 write(2, "Coul= d not open default font 'fix"..., 35Could not open default font 'fixed') = =3D 35 
22:11:10.609395 write(2, "'.\n", 3'. 
)     =3D 3&nbs= p;
=
Looking at the code, the origin of the error is:

        InitFonts(); 
   = ;     if (loadableFonts) { 
          =   SetFontPath(0, 0, (unsigned char *)defaultFontPath, &error);&nbs= p;
=         } else { 
          =   if (SetDefaultFontPath(defaultFontPath) !=3D Success) 
  &nbs= p;             ErrorF("failed to set default = font path '%s'", 
               =         defaultFontPath); 
      &nbs= p; } 
        if (!SetDefaultFont(defaultTextFont))&n= bsp;
            FatalError("could not open defa= ult font '%s'", defaultTextFont); 

SetDefaultFont= () is failing. Looking at that function (text below from IRC channel):

[19:57] <devsk> SetDefaultFont(char *defaultfontname= )
[= 19:57] <devsk> {
[19:57] <devsk>     int     &= nbsp;   err;
[19:57] <devsk>     FontPtr     = pf;
[19:57] <devsk>     XID         fid;
[19:= 57] <devsk>     fid =3D FakeClientID(0);
[19:57] <devsk>=     err =3D OpenFont(serverClient, fid, FontLoadAll | FontOpenSy= nc,
[19:57] <devsk>               &nb= sp;    (unsigned) strlen(defaultfontname), defaultfontname);
[19:57]= <devsk>     if (err !=3D Success)
[19:57] <devsk>  = ;       return FALSE;
[19:57] <devsk>     pf = =3D (FontPtr) LookupIDByType(fid, RT_FONT);
[19:57] <devsk>    = ; if (pf =3D=3D (FontPtr) NULL)
[19:57] <devsk>       &nb= sp; return FALSE;
[19:57] <devsk>     defaultFont =3D pf;
[19:5= 7] <devsk>     return TRUE;
[19:57] <devsk> I have a fee= ling that LookupIDByType() is the one failing
[19:58] <devsk> OpenFont()= has error paths for malloc failures and none of those looked like plausibl= e
[= 19:58] <devsk> LookupIDByType() was obsoleted quite a while ago in xo= rg code
[19:59] <devsk> nx-X11 of course is hanging onto old code
=
[19:59] = <devsk> is it possible that there is some interaction there with newe= r libXfont which is making that function fail now
[20:00] <devsk> unfort= unately for me, its not possible to go back to libXfont-1.4. There is a bun= ch of crap which needs to be downgraded as well. And dependency hell breaks= loose if I try that
[20:00] <devsk> above snippet is in ./programs/Xser= ver/dix/dixfonts.c

I did this experiment for localhos= t connection to avoid differences in client and server packages (which is n= ot the case anyway because for me both client and remote server are Gentoo = ~amd64 updated systems).

Anybody got any ideas of why = this is happening? Is it really about the newer fontsproto and libXfont not= being compatible with nx-libs?

Thanks,
dev= sk
=
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