All my amd64 problems appear to be KSE

[Sean McNeil]

On Sat, 2004-06-05 at 09:40, Sean McNeil wrote:
> On Sat, 2004-06-05 at 09:31, Tim Robbins wrote:
> 
> > Everything seems to work fine if I build libpthread with SYSTEM_SCOPE_ONLY
> > (at least it hasn't crashed so far.) My current guess is that there's a
> > bug in context manipulation or signals. I initially thought we weren't
> > saving enough FPU context in _amd64_save_context, but adding an fxsave
> > in there didn't help.
> 
> I see a problem with bash and signals too when libpthread is involved. 
> It would core dump when I resize a window.  I use nss_ldap and it was
> pulling in pthread through db41.  I solved my issue by rebuilding db41
> to eliminate pthread from the libdb41.so.1.  Perhaps tracing this down
> would be useful?

resize of bash causes error like this:

#0  _thr_sig_handler (sig=28, info=0x100, ucp=0x201701904)
    at /usr/src/lib/libpthread/thread/thr_sig.c:373
#1  0x00000002006ae9b0 in _rl_savestring () from /lib/libreadline.so.4
#2  <signal handler called>
#3  0x0000000200a822ec in read () from /lib/libc.so.5
#4  0x00000002006ab113 in rl_getc () from /lib/libreadline.so.4
#5  0x00000002006ab0c9 in rl_read_key () from /lib/libreadline.so.4
#6  0x00000002006bdeb7 in readline_internal_char () from
/lib/libreadline.so.4
#7  0x00000002006be045 in readline_internal_char () from
/lib/libreadline.so.4
#8  0x00000002006be060 in readline_internal_char () from
/lib/libreadline.so.4
#9  0x00000002006bdc1e in readline () from /lib/libreadline.so.4
#10 0x0000000000415072 in yy_readline_get ()
    at /usr/homes/chet/src/bash/src/parse.y:1108
#11 0x0000000000414fde in yy_getc ()
    at /usr/homes/chet/src/bash/src/parse.y:1042
#12 0x0000000000415885 in shell_getc (remove_quoted_newline=1)
    at /usr/homes/chet/src/bash/src/parse.y:1803
#13 0x000000000041633e in read_token (command=0)
    at /usr/homes/chet/src/bash/src/parse.y:2414
#14 0x0000000000415e22 in yylex () at
/usr/homes/chet/src/bash/src/parse.y:2084
#15 0x0000000000413b1a in yyparse () at
/usr/local/share/bison/bison.simple:573
#16 0x00000000004138ab in parse_command () at eval.c:217
#17 0x000000000041395b in read_command () at eval.c:261