forked from pool/xorg-x11-server
Stefan Dirsch
d1a7e7ee12
* Linux kernel v6.9 has changed the symlink to point to the
parent device. This breaks fbdev_open() detection logic.
Change it to use the subsystem symlink instead which will
remain stable (gitlab xserver issue#1714)
OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/xorg-x11-server?expand=0&rev=889
128 lines
2.6 KiB
Perl
128 lines
2.6 KiB
Perl
#!/usr/bin/perl
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$version = "1.0";
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$timeout = 5;
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@pkgs = ( "xorg-x11-server", "xorg-x11-driver-video", "xorg-x11-driver-input",
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"libpixman-1-0", "libpciaccess0" );
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$xtracmds= "/etc/X11/xorg-backtrace-cmds";
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$pid=$ARGV[0];
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if ($pid == 0) {
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print "Usage: $0 <pid>\n";
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exit 1;
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}
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if (! -e "/usr/bin/gdb") {
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print "Install gdb to get reasonable backtraces\n";
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exit 2;
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}
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$SIG{ALRM} = sub { die "timeout starting gdb" };
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alarm $timeout;
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open STDERR, ">&STDOUT";
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use FileHandle;
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use IPC::Open2;
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$gdb = open2 (*R, *W, "/usr/bin/gdb -n -p $pid");
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$SIG{ALRM} = sub { kill QUIT, $gdb; sleep 1; kill KILL, $gdb; die "timeout using gdb" };
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alarm $timeout;
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print "\n==================== GDB Backtrace ============\n\n";
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print "Done by $0 V$version\n\n";
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$needpkgs=0;
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for $p (@pkgs) {
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next if system ("rpm", "-q", "--quiet", "$p-debuginfo") == 0 &&
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system ("rpm", "-q", "--quiet", "$p-debugsource") == 0;
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print "Install following debug packages to improve backtrace:\n" unless $needpkgs;
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$needpkgs++;
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print "\t$p-debug*\n";
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}
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print "\n" if $needpkgs;
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print W "set prompt\necho \\n===info\\n\n";
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#print W "info files\necho ===files\\n\n";
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print W "thread apply all bt full\necho ===btend\\n\n";
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$_=<R>; # GNU gdb version
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print;
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while (<R>) {
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last if /^===info/;
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print if /^This GDB was configured as/;
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}
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#print "\n==================== Files ====================\n\n";
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#while (<R>) {
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# last if /^===files/;
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# print;
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#}
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print "\n==================== Backtrace ================\n";
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$fno = "";
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$fls = 0;
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$o = "";
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$use = 0;
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while (<R>) {
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last if /^===btend/;
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if (/^#(\d+)\s/) {
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$fno = $1;
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$o .= "\n";
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$o .= "===l".($fno-1)."\n" if $use;
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$o .= "\n";
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$fls = $fno+1 if /\bxorg_backtrace \(/ || /\bOsSigHandler \(/;
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$use = 1;
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}
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$line{$fno} = $1 if $line{$fno} == 0 && /:(\d+)\s*$/;
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$o .= $_;
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$use = 0 if /^No symbol table info available/;
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}
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$o .="\n===l$fno";
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for $i ($fls..$fno) {
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print W "frame $i\necho ===fs$i\\n\nlist\necho ===fe$i\\n\n";
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while (<R>) {
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last if /^===fs$i\b/;
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}
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$r = "";
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while (<R>) {
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last if /^===fe$i\b/;
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$r .= $_;
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}
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if ($line{$i} > 0) {
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$r =~ s/^$line{$i}\b/$line{$i} */m;
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}
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$o =~ s/^===l$i$/$r/m;
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}
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if ($fls > 0) {
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for $i (0..$fls-1) {
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$o =~ s/^(#$i\s.*?)\n.*?\n#/$1\n\n#/ms;
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}
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}
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$o =~ s/^===l.*$//mg;
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print "$o";
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if (-e $xtracmds) {
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print W "source -v $xtracmds\necho ===cmds\\n\n";
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print "\n==================== Extra Commands ===========\n\n";
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while (<R>) {
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last if /^===cmds/;
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print unless /^\+echo ===cmds/;
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}
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}
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print "\n==================== Backtrace End ============\n\n";
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close R;
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close W;
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exit 0;
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