All my amd64 problems appear to be KSE

Daniel Eischen eischen at vigrid.com
Sat Jun 5 17:11:57 GMT 2004


On Sat, 5 Jun 2004, Sean McNeil wrote:

> 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

That all looks fine, but bash isn't threaded is it?

-- 
Dan Eischen



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