Could it be that gdb was wrong in it's bt? There dosen't seem to be a
select in that function.
--- Branden Robinson <[EMAIL PROTECTED]> wrote:
> retitle 246643 libx11-6: _XPollfdCacheDel() select()s forever when
> called by fglrx_dri.so
> tag 246643 + moreinfo upstream help
> thanks
>
> On Fri, Apr 30, 2004 at 01:48:16AM -0500, Mike Mestnik wrote:
> > Package: libx11-6
> > Version: 4.3.0-7
> > Severity: normal
> >
> > (gdb) bt
> > #0 0x403e3398 in select () from /lib/tls/libc.so.6
> > #1 0x4018de32 in _XPollfdCacheDel () from /usr/X11R6/lib/libX11.so.6
> > #2 0x4018eda1 in _XRead () from /usr/X11R6/lib/libX11.so.6
> > #3 0x4093c2d9 in s5943 () from
> /usr/X11R6/lib/modules/dri/fglrx_dri.so
> > #4 0x40950593 in s3197 () from
> /usr/X11R6/lib/modules/dri/fglrx_dri.so
> > #5 0x4094d984 in s3176 () from
> /usr/X11R6/lib/modules/dri/fglrx_dri.so
> > #6 0x4094ccff in s5118 () from
> /usr/X11R6/lib/modules/dri/fglrx_dri.so
> > #7 0x4094d02a in __driCreateScreen () from
> > /usr/X11R6/lib/modules/dri/fglrx_dri.so
> > #8 0x40123fda in AllocAndFetchScreenConfigs () from
> /usr/X11R6/lib/libGL.so.1
> >
> > I also got this bt with DRI installed, but they do not replace
> libX11.so.
> > (gdb) bt
> > #0 0x4027d398 in select () from /lib/tls/libc.so.6
> > #1 0x40103e32 in _XPollfdCacheDel () from /usr/X11R6/lib/libX11.so.6
> > #2 0x40104da1 in _XRead () from /usr/X11R6/lib/libX11.so.6
> > #3 0x407dc2d9 in s5943 () from
> /usr/X11R6/lib/modules/dri/fglrx_dri.so
> > #4 0x407f0593 in s3197 () from
> /usr/X11R6/lib/modules/dri/fglrx_dri.so
> > #5 0x407ed984 in s3176 () from
> /usr/X11R6/lib/modules/dri/fglrx_dri.so
> > #6 0x407eccff in s5118 () from
> /usr/X11R6/lib/modules/dri/fglrx_dri.so
> > #7 0x407ed02a in __driCreateScreen () from /usr/X11R6/lib/libGL.so.1
>
> Well, here are the sources to _XRead() and _XPollfdCacheDel(). Both
> live in xc/lib/X11/XlibInt.c.
>
> /*
> * _XRead - Read bytes from the socket taking into account incomplete
> * reads. This routine may have to be reworked if int < long.
> */
> int _XRead (dpy, data, size)
> register Display *dpy;
> register char *data;
> register long size;
> {
> register long bytes_read;
> #ifdef XTHREADS
> int original_size = size;
> #endif
>
> if ((dpy->flags & XlibDisplayIOError) || size == 0)
> return 0;
> ESET(0);
> while ((bytes_read = _X11TransRead(dpy->trans_conn, data, (int)size))
> != size) {
>
> if (bytes_read > 0) {
> size -= bytes_read;
> data += bytes_read;
> }
> else if (ETEST()) {
> if (_XWaitForReadable(dpy) == -2)
> return -2; /* internal connection did XPutBackEvent */
> ESET(0);
> }
> #ifdef SUNSYSV
> else if (ECHECK(0)) {
> if (_XWaitForReadable(dpy) == -2)
> return -2; /* internal connection did XPutBackEvent */
> }
> #endif
> else if (bytes_read == 0) {
> /* Read failed because of end of file! */
> ESET(EPIPE);
> _XIOError(dpy);
> }
>
> else /* bytes_read is less than 0; presumably -1 */ {
> /* If it's a system call interrupt, it's not an error. */
> if (!ECHECK(EINTR))
> _XIOError(dpy);
> }
> }
> #ifdef XTHREADS
> if (dpy->lock && dpy->lock->reply_bytes_left > 0)
> {
> dpy->lock->reply_bytes_left -= original_size;
> if (dpy->lock->reply_bytes_left == 0) {
> dpy->flags &= ~XlibDisplayReply;
> UnlockNextReplyReader(dpy);
> }
> }
> #endif /* XTHREADS*/
> return 0;
> }
>
> /* ARGSUSED */
> void _XPollfdCacheDel(dpy, fd)
> Display *dpy;
> int fd; /* not used */
> {
> #ifdef USE_POLL
> struct pollfd *pfp = (struct pollfd *)dpy->filedes;
> struct _XConnectionInfo *conni;
>
> /* just recalculate whole list */
> if (dpy->im_fd_length <= POLLFD_CACHE_SIZE) {
> int loc = 1;
> for (conni = dpy->im_fd_info; conni; conni=conni->next) {
> pfp[loc].fd = conni->fd;
> pfp[loc].events = POLLIN;
> loc++;
> }
> }
> #endif
> }
>
> Would someone like to eyeball the above?
>
> --
> G. Branden Robinson | Humor is a rubber sword - it
> allows
> Debian GNU/Linux | you to make a point without
> drawing
> [EMAIL PROTECTED] | blood.
> http://people.debian.org/~branden/ | -- Mary Hirsch
>
> ATTACHMENT part 2 application/pgp-signature name=signature.asc
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