Date: Sat, 05 Jun 2004 09:46:19 -0700 From: Sean McNeil <sean@mcneil.com> To: Tim Robbins <tim@robbins.dropbear.id.au> Cc: freebsd-amd64@freebsd.org Subject: Re: All my amd64 problems appear to be KSE Message-ID: <1086453979.18813.0.camel@server.mcneil.com> In-Reply-To: <1086453600.96822.16.camel@server.mcneil.com> References: <20040605151500.GA29569@cat.robbins.dropbear.id.au> <Pine.GSO.4.10.10406051157001.7353-100000@pcnet5.pcnet.com> <20040605163123.GA29935@cat.robbins.dropbear.id.au> <1086453600.96822.16.camel@server.mcneil.com>
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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
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