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*** empty log message ***
This commit is contained in:
Rob Browning
parent
42030fb275
commit
c44b6ec0d3
1 changed files with 0 additions and 430 deletions
430
BUGS
430
BUGS
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@ -1,430 +0,0 @@
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BUGS
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This file contains bugs we haven't fixed yet, and some we have.
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The format is very simple (one bug per page):
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# line regexp
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1 bug NUMBER -- ONE-LINE-DESCRIPTION ^bug ([0-9]+) -- (.+)$
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2 reported-by: SOMEONE / DATE ^reported-by: ([^/]) */ *(.+)$
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3 fixed: DATE (for guile VERSION) ^fixed: (.+) .for guile (.+).$
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4+ OTHER-NOTES
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DATE is formatted YYYY-MM-DD, or "not-yet". Line numbering is zero-origin;
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line 0 is empty (newline always follows newpage (recognizable w/ "\f\n")).
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The suggested regexps can be used in a line-oriented parser.
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You can use "fixed: no-need (EXPLANATION)" if the bug doesn't need to be
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fixed. EXPLANATION might be "not a bug", "user error", etc.
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bug 0 -- no BUGS file
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reported-by: ttn / 2001-09-25
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fixed: 2001-09-30 (1.5.x, 1.7.x)
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bugs are good.
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bug 1 -- (debug-disable 'debug) has no effect if first form in ~/.guile
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reported-by: Sven.Hartrumpf@fernuni-hagen.de / 2001-08-31
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fixed: 2001-11-07 (1.7.x)
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ttn sez:
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buggy behavior confirmed on both 1.5.x and 1.7.x.
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on the other hand, when second or later, the expected effect (disabling use of
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debugging evaluator) seems to be reflected when viewing the debug options. it
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could be that the bug is in display and not the actual setting.
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NJ 2002-03-08:
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Problem was caused by (top-repl)'s loading of (ice-9 debug), which
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ended with unconditional `(debug-enable 'debug)'. Fixed by removing
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the offending lines.
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bug 2 -- documentation mirroring not complete
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reported-by: lord@regexps.com / 2001-08
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fixed: 2002-03-17
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ttn sez:
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uncollated mirroring is already available:
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http://savannah.gnu.org/cgi-bin/viewcvs/guile/
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http://mail.gnu.org/pipermail/guile-devel/
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collated snapshots: http://www.glug.org/snap/ (user initiative)
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bug 3 -- design decisions not recorded
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reported-by: lord@regexps.com / 2001-08
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fixed: not-yet
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changes are made w/ little documentation on their motivation, design and
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consequences. past initiatives and current maintainer discipline to support
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them need shoring up.
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ttn sez:
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someone also mentioned that process and product are orthogonal; nastiness can
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result in/from either, and for different reasons. i tend to believe this up
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until a certain point, when the process becomes self-aware and includes its own
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improvement in its considerations. then, hopefully it becomes light.
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to change people is difficult, but that's why we have guile...
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bug 4 -- named-let transform evaluates initvalue in the wrong scope
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reported-by: agj@alum.mit.edu / 2001-09-21
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fixed: 2001-11-17 (1.7.x)
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currently:
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> (let name ((var init) ...) body ...)
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>
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> to
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>
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> (letrec ((name (lambda (var ...) body ...)))
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> (name init ...))
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should be:
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> ((letrec ((name (lambda (var ...) body ...))) name) init ...)
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Dirk Herrmann sez:
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I will do it - no big deal (I hope). But, I won't have time to do it
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before next week. What about adding this code as a test case to the test
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suite? Until it is fixed, it can be tagged as expected to fail.
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bug 5 -- uniform vector read-hash "e" clashes w/ exactness specification
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reported-by: kwright@gis.net / 2001-10-07
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fixed: 2001-10-14 (1.5.x, 1.7.x)
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Keith Wright sez:
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> Before getting into philosophy, I want to mention that while poking
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> around and rethinking I found the following Bug.
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>
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> guile> (version)
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> "1.5.2"
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> guile> #E3
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> 3
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> guile> #e3
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> ERROR: read:uniform-vector list not found
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> ABORT: (misc-error)
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> guile> 3
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>
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> This violates both R5RS 7.1 ``Case is insignificant'' and
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>
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> > From: guile-1.5.2/doc/ref/guile.info-3 Line 568
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> >
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> > The codes for indicating exactness (which can, incidentally, be
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> > applied to all numerical values) are:
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> >
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> > * `#e', `#E' -- the number is exact
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2001-10-14 Mikael Djurfeldt <mdj@linnaeus>
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* read.c (scm_lreadr): When user-defined hash procedure returns
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SCM_UNSPECIFIED: Fall back to standard handling instead of raising
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an exception. (This prevents parsing of uniform vectors from
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interfering with parsing of numbers.)
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bug 6 -- exactness prefix doesn't do nothing gracefully
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reported-by: kwright@gis.net / 2001-10-09
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fixed: 2001-10-14 (1.5.x, 1.7.x) (see bug 5)
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[this may be related to bug 5. --ttn]
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Keith Wright sez:
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> The saga continues...
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>
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> > > The codes for indicating exactness (which can, incidentally, be
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> > > applied to all numerical values) are:
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> > >
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> > > * `#e', `#E' -- the number is exact
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>
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> guile> #E3 ==> 3
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> guile> #E3.0
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> ERROR: In procedure scm_lreadr:
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> ERROR: unknown # object
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>
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> Better change the reference manual s/, incidentally,/'t/.
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>
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> (That's a joke son. The Scheme language requires #e in front
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> of any number to at least do nothing successfully.)
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bug 7 -- readline configuration anomolies not handled gracefully
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reported-by: kwright@gis.net / 2001-10-17
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fixed: not-yet
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bug 8 -- install requires makeinfo
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reported-by: kwright@gis.net / 2001-10-17
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fixed: not-yet
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Keith Wright sez:
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> I got guile-1.5.4 and installed it on one machine with no problem.
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> On another I did ./configure;make as before and it died with:
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>
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> > ...
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> > on.doc vports.doc weaks.doc symbols-deprecated.doc regex-posix.doc ramap.doc unif.doc filesys.doc posix.doc net_db.doc socket.doc | ./guile-snarf-docs-texi > guile.texi \
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> > || { rm guile.texi; false; }
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> > rm -f guile-procedures.txt
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> > makeinfo --force -o guile-procedures.txt guile.texi || test -f guile-procedures.txt
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> > /bin/sh: makeinfo: command not found
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> > make[1]: *** [guile-procedures.txt] Error 1
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> > make[1]: Leaving directory `/home/kwright/build/guile-1.5.4/libguile'
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> > make: *** [all-recursive] Error 1
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>
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> I get the impression that it is supposed to build without 'makeinfo',
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> if this is not so it should be mentioned in the README or INSTALL.
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NJ 2002-03-08:
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Addressed partially in Makefile.am, by copying guile-procedures.texi
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to guile-procedures.txt if makeinfo is not available.
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However, a better IMO fix would be to include a prebuilt
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guile-procedures.txt in the distribution.
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bug 9 -- sibling threads not infinite looping
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reported-by: giraud@tif.inria.fr / 2001-09-24
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fixed: not-yet
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Manuel Giraud sez:
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> I've configure guile-1.5.4 '--with-threads' and '--with-modules' on a
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> "classical" Linux box and used this code that crash silently :
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>
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> (use-modules (ice-9 threads))
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>
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> (begin-thread
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> (let loop ()
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> (display "a")
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> (newline)
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> (loop)))
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>
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> (begin-thread
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> (let loop ()
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> (display "b")
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> (newline)
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> (loop)))
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mdj sez:
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+ 2001-10-06 Mikael Djurfeldt <mdj@linnaeus>
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+
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+ These changes fixes a race condition in the Guile coop - pthread
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+ compatibility code.
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+
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+ * coop.c (mother_awake_p): New variable.
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+ (coop_create): Set mother_awake_p before creating or signalling
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+ mother; wait until mother is going to sleep before returning.
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+ (mother): Reset mother_awake_p before going to sleep.
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+
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ttn sez:
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crash still occurs w/ "guile -s bug.scm" (cvs checkout on 2001/11/06).
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however, "guile -l bug.scm" works as expected.
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bug 10 -- embedded libltdl masks system version unconditionally
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reported-by: grib@linuxdevel.com / 2001-11-04
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fixed: not-yet
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Bill Gribble sez:
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> The guideline for when to use the convenience version of libltdl is
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> this:
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>
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> > In general you can safely use the convenience library in
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> > programs which don't depend on other libraries that might
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> > use libltdl too.
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>
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> So guile's use of the convenience library embodies an assumption about
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> programs which use guile: that they will not use libltdl except through
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> guile's wrapper (dynamic-link and friends).
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>
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> It seems like this is a bad assumption for guile to make, since it is
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> intended to be used as an extension language for many different kinds of
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> programs and not to put a priori restrictions on what they can do.
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> Especially when those restrictions are not documented.
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>
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> I would suggest that prior to the guile-1.6 release the use of the
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> convenience ltdl library be removed, instead depending on an installed
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> version of libltdl.
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bug 11 -- (ice-9 optargs) #:rest arg polluted by keys/values
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reported-by: ttn / 2001-11-09
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fixed: no-need (behavior consistent w/ Common Lisp, user error)
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ttn sez:
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> the following code displays
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>
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> (#<procedure good x> ())
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> (#<procedure good x> (1))
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> (#<procedure good x> ((1 2 3)))
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> (#<procedure blah x> JAY KAY (#:j JAY #:k KAY))
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> (#<procedure blah x> JAY KAY (#:j JAY #:k KAY 1))
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> (#<procedure blah x> JAY KAY (#:j JAY #:k KAY (1 2 3)))
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>
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> but `x' should be the same for both `good' and `blah':
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>
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> (use-modules (ice-9 optargs) (ice-9 rdelim))
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>
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> (define* (good #:rest x)
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> (write-line (list good x)))
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>
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> (good)
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> (good 1)
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> (good '(1 2 3))
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>
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> (define* (blah #:key (j 'j) (k 'k) #:rest x)
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> (write-line (list blah j k x)))
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>
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> (blah #:j 'JAY #:k 'KAY)
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> (blah #:j 'JAY #:k 'KAY 1)
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> (blah #:j 'JAY #:k 'KAY '(1 2 3))
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mvo sez:
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> In Common Lisp, there are no non-key rest-args when you have keyword
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> parameters. After the required and optional arguments, there must
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> follow an even number of additional arguments, and every two of them
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> are treated as a keyword/value pair.
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>
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> I think it makes sense the way CL specifies this. Anything beyond
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> this would lead to confusion. If you want to go beyond what (ice-9
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> optargs) offers, yo are probably best off writing your own argument
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> parser.
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bug 12 -- goops class redefinition not signalling "no such accessor" error
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reported-by: wawrzin@cs.tu-berlin.de / 2001-12-04
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fixed: not-yet
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Thomas Wawrzinek sez:
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> Running the following script produces some guile output which confueses me:
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>
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> ;;; script.scm
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> (use-modules (oop goops))
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>
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> (define-class <root> ())
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>
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> (define-class <foo> (<root>)
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> (a #:init-value #f #:accessor a-value #:init-keyword #:a-value)
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> (b #:init-value #f #:accessor b-value #:init-keyword #:b-value))
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>
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> (define-class <bar> (<foo>))
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>
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> (define-method (initialize (o <bar>) . args)
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> (set! (a-value o) "BAR")
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> (next-method))
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>
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> (define-generic print)
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>
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> (define-method (print (o <bar>))
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> (display (a-value o)) (newline)
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> (display (b-value o)) (newline))
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>
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> ;;; OK, this is very *wrong*!
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> (define-class <bar> (<root>))
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>
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> (define baz (make <bar> #:b-value "BAZ"))
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>
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> (print baz)
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>
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> $ guile -s script.scm
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> BAR
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> #<unknown-immediate 0x69746163>
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> $ guile -v
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> Guile 1.5.4
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> Copyright (c) 1995, 1996, 1997, 2000, 2001 Free Software Foundation
|
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> Guile may be distributed under the terms of the GNU General Public Licence;
|
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> certain other uses are permitted as well. For details, see the file
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> `COPYING', which is included in the Guile distribution.
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> There is no warranty, to the extent permitted by law.
|
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>
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> I'm running on a SuSE Linux 7.2 box ...
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>
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> I expected that because of the second (define-class <bar> ...) I would get
|
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> some sensible error message (at least about the usage of (a-value ...) in
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> the (print ...) generic function call).
|
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>
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> Maybe I'm mistaken here, I know that GOOPS has a class redefinition
|
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> protocol, but does it go with the define-class macro?
|
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>
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> I accidently had such a second (define-class ...) with an already
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> used class-name. In a much more complex program than the above, this
|
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> resulted in a segmentation fault (backtrace told me it was GC related).
|
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>
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||||
> To avoid such behavior, would it be sensible to have guile indicate
|
||||
> a wrong usage error or something?
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||||
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bug 13 -- incorrect error reporting after stack overflow
|
||||
reported-by: Panagiotis Vossos <jacbre@internet.gr> / 2002-02-19
|
||||
fixed: not-yet
|
||||
|
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Panagiotis Vossos sez:
|
||||
|
||||
I have guile 1.5.4 installed and I discovered something strange.
|
||||
|
||||
guile> (define (foo n) (+ n (foo n)))
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guile> (foo 10)
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||||
ERROR: Stack overflow
|
||||
ABORT: (stack-overflow)
|
||||
guile> thisisabug
|
||||
<unnamed port>: In expression thisisabug:
|
||||
<unnamed port>: Unbound variable: thisisabug
|
||||
ABORT: (unbound-variable)
|
||||
guile> (foo 10)
|
||||
<unnamed port>: In expression thisisabug:
|
||||
<unnamed port>: Stack overflow
|
||||
ABORT: (stack-overflow)
|
||||
|
||||
The last message shows the previous unbound variable 'thisisabug'.
|
||||
'foo' is just an example, this seems to happen for every function that
|
||||
causes overflow. It's not serious, but it sure looks misleading..
|
||||
|
||||
Neil Jerram sez:
|
||||
|
||||
It's something to do with the way that debug info frames cope with
|
||||
stack overflow.
|
||||
|
||||
|
||||
bug 14 -- strange gc loop caused by trap misuse
|
||||
reported-by: Neil Jerram <neil@ossau.uklinux.net> / 2002-02-03
|
||||
fixed: not-yet
|
||||
|
||||
Neil Jerram sez:
|
||||
|
||||
Using the current unstable CVS Guile...
|
||||
|
||||
Running under gdb, type in the following:
|
||||
|
||||
(gdb) run -q
|
||||
Starting program: /usr/local/bin/guile -q
|
||||
guile> (trap-set! enter-frame-handler (lambda () 1))
|
||||
(exit-frame-handler #f apply-frame-handler #f enter-frame-handler #<procedure #f ()> traps)
|
||||
guile> (trap-enable 'enter-frame)
|
||||
|
||||
There is no response. Wait a few seconds, and then C-c to send an
|
||||
interrupt. You'll find that the call stack shows a huge number of
|
||||
recursive calls to scm_gc_mark (about 4000 per second waited on my
|
||||
box). (If you don't see scm_gc_mark immediately, you may have
|
||||
interrupted too quickly: let it run for another second and then C-c
|
||||
again.)
|
||||
|
||||
Here's as much of an explanation as I can offer... The intended
|
||||
effect of the two `trap' lines above is that the evaluator calls the
|
||||
specified procedure every time it enters a new evaluation frame or is
|
||||
about to perform an application. However, the procedure above doesn't
|
||||
accept the right number of arguments, so the attempt to call it gives
|
||||
rise to a wrong-num-args error, which (I presume) jumps us out of that
|
||||
level of the evaluator and is caught by the usual REPL machinery in
|
||||
boot-9.scm.
|
||||
|
||||
Then, the next time that we need to GC, we hit this scm_gc_mark loop.
|
||||
My guess is that something about the trap+error scenario has left data
|
||||
or the stack in a state which exposes a bug in the GC.
|
||||
|
||||
|
||||
[BUGS ends here]
|
||||
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