From 6ff002a3ee341782567b71a42d0e7eb3be596480 Mon Sep 17 00:00:00 2001
From: Thomas Schwinge <thomas@codesourcery.com>
Date: Sun, 29 Jul 2012 22:26:02 +0200
Subject: open_issues/glibc: 8958805c11c741d9211e20612c86271d906c9a0b
 (2012-07-28; 2012-06-30)

---
 open_issues/glibc.mdwn                           | 81 ++++++++++++------------
 open_issues/glibc/t/tls.mdwn                     |  6 +-
 open_issues/glibc_madvise_vs_static_linking.mdwn |  2 +-
 open_issues/libpthread_glibc_nptl_testsuite.mdwn | 28 ++++++++
 4 files changed, 76 insertions(+), 41 deletions(-)
 create mode 100644 open_issues/libpthread_glibc_nptl_testsuite.mdwn

(limited to 'open_issues')

diff --git a/open_issues/glibc.mdwn b/open_issues/glibc.mdwn
index e94a4f1f..31cafbfe 100644
--- a/open_issues/glibc.mdwn
+++ b/open_issues/glibc.mdwn
@@ -36,8 +36,8 @@ git log --reverse --pretty=fuller --stat=$COLUMNS,$COLUMNS -w -p -C --cc ..sourc
 
 -->
 
-Last reviewed up to the [[Git mirror's e80d6f94e19d17b91e3cd3ada7193cc88f621feb
-(2012-04-05) sources|source_repositories/glibc]].
+Last reviewed up to the [[Git mirror's 56e49b714ecd32c72c334802b00e3d62008d98e3
+(2012-07-25) sources|source_repositories/glibc]].
 
   * `t/hurdsig-fixes`
 
@@ -47,7 +47,9 @@ Last reviewed up to the [[Git mirror's e80d6f94e19d17b91e3cd3ada7193cc88f621feb
 
   * `t/host-independency`
 
-    `libc-alpha` discussion/commit.  GCC
+    [[!message-id "87bougerfb.fsf@kepler.schwinge.homeip.net"]], [[!message-id
+    "20120525202732.GA31088@intel.com"]], commit
+    918b56067a444572f1c71b02f18255ae4540b043.  [[!GCC_PR 53183]], GCC commit
     c05436a7e361b8040ee899266e15bea817212c37.
 
   * `t/sysvshm`
@@ -122,7 +124,7 @@ Last reviewed up to the [[Git mirror's e80d6f94e19d17b91e3cd3ada7193cc88f621feb
         checking for i386_set_gdt in mach_i386.defs... yes
         checking whether i586-pc-gnu-mig supports the retcode keyword... yes
 
-  * `elf/stackguard-macros.h`
+  * `sysdeps/i386/stackguard-macros.h`
 
     See [[t/tls|t/tls]].
 
@@ -281,6 +283,7 @@ Last reviewed up to the [[Git mirror's e80d6f94e19d17b91e3cd3ada7193cc88f621feb
       * `io/fcntl.h [__USE_ATFILE]`
 
         Do we support `AT_FDCWD` et al.?
+        (80b4e5f3ef231702b24d44c33e8dceb70abb3a06.)
 
       * `MAP_POPULATE` (`mmap`, `sys/mman.h`) -- *Populate (prefault)
         pagetables.*
@@ -294,16 +297,15 @@ Last reviewed up to the [[Git mirror's e80d6f94e19d17b91e3cd3ada7193cc88f621feb
                         make_pages_present(addr, addr + len);
                 return addr;
 
-        `t/mmap`.
-
-        Is only advisory, so can worked around with `#define 0`.
+        Is only advisory, so can worked around with `#define MAP_POPULATE 0`,
+        8069478040336a7de3461be275432493cc7e4c91.
 
       * `t/opendirat`: `opendirat` (`scandirat`, `scandirat64`)
 
         Need changes equivalent to c55fbd1ea768f9fdef34a01377702c0d72cbc213 +
         14d96785125abee5e9a49a1c3037f35a581750bd.
 
-      * `madvise`, `MADV_DONTNEED`
+      * `madvise`, `MADV_DONTNEED`, `MADV_DONTDUMP`, `MADV_DODUMP`
 
         [[glibc_madvise_vs_static_linking]].
 
@@ -451,9 +453,6 @@ Last reviewed up to the [[Git mirror's e80d6f94e19d17b91e3cd3ada7193cc88f621feb
       * 7fb90fb89bbdf273ab7ab96517fe1b156cd7aee1 +
         6fb2dde3f1aa3a1419cb6c2dfa53dd1d506722a4 -- `Fix Linux getcwd for long
         paths`
-      * [low] [[!taglink open_issue_libpthread]]
-        5bdcc10322c488f53557440acf71623d8b313ab5 -- return `EAGAIN` instead of
-        `ENOMEM`.
       * f574184a0e4b6ed69a5d9a3234543fba6d2a7367 -- `Fix sched_setscheduler
         call in spawn implementation`
       * 3b85df27870a47ed1db84e948e37a5a50a178a92 +
@@ -541,8 +540,7 @@ Last reviewed up to the [[Git mirror's e80d6f94e19d17b91e3cd3ada7193cc88f621feb
         <http://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html>.
       * [low] `conformtest`, 3134156779108fe8b46e0f4cd60d837572faaa93 +
         4efeffc1d583597e4f52985b9747269e47b754e2 +
-        d94a4670800de6e8f088b8630ad5142866127980 -- takes 1.75 h (out of 2.75 h
-        total) on coulomb.SCHWINGE -- disable?  Should probably mirror
+        d94a4670800de6e8f088b8630ad5142866127980 -- should probably mirror
         `bits/siginfo.h` changes.
       * [low] stack guard, 6c6a98c983c44b440ae66d2aa8f32529a9dd7bfe,
         [[!message-id "4F3BE241.9090409@mentor.com"]] -- anything needed for
@@ -553,18 +551,26 @@ Last reviewed up to the [[Git mirror's e80d6f94e19d17b91e3cd3ada7193cc88f621feb
         "Pine.LNX.4.64.1203090206420.18868@digraph.polyomino.org.uk"]]
         02a6f887cb3e2c048937111eb4cf150d397609de -- probably should do the same
         for the generic version as used by GNU Hurd.
-      * [log] CFI for `_start`, 6a1bd2a100c958d30bbfe8c9b8f9071d24b7c3f4,
+      * [low] CFI for `_start`, 6a1bd2a100c958d30bbfe8c9b8f9071d24b7c3f4,
         [[!message-id "20120316180551.GA6291@host2.jankratochvil.net"]] -- what
         about other architectures?
+      * `sendmmsg` usage, c030f70c8796c7743c3aa97d6beff3bd5b8dcd5d -- need a
+        `ENOSYS` stub, [[!message-id "87a9zubdm9.fsf@schwinge.name"]],
+        `t/sendmmsg`.
+      * `linkobj/libc.so`, 510bbf14b4f25fec8ee3a2d24de3f24bdbf84333 -- need to
+        adapt for (conditional?) Sun RPC reversion (if that was the original
+        cause for the patch)?
+      * [low] `Add __fsword_t and use it in bits/statfs.h`,
+        3e5aef87d76cfa7354f2b0d82b96e59280720796, [[!message-id
+        "20120517134700.GA19046@intel.com"]] -- only updates one copy of
+        `bits/statfs.h`; update the others, too, for consistency.
       * *baseline*
-      * [high] `sendmmsg` usage, c030f70c8796c7743c3aa97d6beff3bd5b8dcd5d --
-        need a `ENOSYS` stub.
 
 
 # Build
 
 Here's a log of a glibc build run; this is from our [[Git repository's
-d7294bbed51242338c4e9c15e1ee74a763259faf (2012-06-21; 2012-03-28) ([[!message-id "878vfhdapq.fsf@schwinge.name"]] applied)
+8958805c11c741d9211e20612c86271d906c9a0b (2012-07-28; 2012-06-30)
 sources|source_repositories/glibc]], run on coulomb.SCHWINGE.
 
     $ export LC_ALL=C
@@ -577,7 +583,8 @@ This takes up around 500 MiB and needs roughly X min on kepler.SCHWINGE and 100
 min on coulomb.SCHWINGE.
 
 <!--
-    $ (make install_root=/INVALID && touch .go-install) 2>&1 | tee log_build_ && test -f .go-install && (make install_root="$PWD".install install && touch .go-check) 2>&1 | tee log_install && test -f .go-check && ln -s /usr/lib/i386-*gnu/libstdc++.so.6 /lib/i386-*gnu/libpthread-stubs.so.0 /lib/i386-*gnu/libgcc_s.so.1 mach/libmachuser.so.1 hurd/libhurduser.so.0.3 ./ && make -k install_root=/INVALID check TIMEOUTFACTOR=10 2>&1 | tee log_test
+
+    $ (make install_root=/INVALID && touch .go-install) 2>&1 | tee log_build_ && test -f .go-install && (make install_root="$PWD".install install && touch .go-check) 2>&1 | tee log_install && test -f .go-check && ln -s /usr/lib/i386-*gnu/libstdc++.so.6 /lib/i386-*gnu/libpthread-stubs.so.0 /lib/i386-*gnu/libgcc_s.so.1 mach/libmachuser.so.1 hurd/libhurduser.so.0.3 ./ && make -k install_root=/INVALID check fast-check=yes 2>&1 | tee log_test
 
 Mask out gcc-4.X (with possibly a backslash before the dot), GCC 4.5's column
 output for (warning, error) messages, GCC 4.6's `[-Wsomething]` or `[enabled by
@@ -630,6 +637,8 @@ TODO.
         sysdeps/mach/hurd/ioctl.c: In function '__ioctl':
         sysdeps/mach/hurd/ioctl.c:306: warning: case value '0' not in enumerated type 'error_t'
 
+    [[!message-id "20120723195143.7F8142C0B9@topped-with-meat.com"]].
+
   * baseline
     fd5bdc0924e0cfd1688b632068c1b26f3b0c88da..2ba92745c36eb3c3f3af0ce1b0aebd255c63a13b
     introduces:
@@ -653,15 +662,6 @@ TODO.
         ../sysdeps/mach/hurd/mmap.c:143:13: warning: comparison between pointer and integer [enabled by default]
         ../sysdeps/mach/hurd/mmap.c:165:24: warning: comparison between pointer and integer [enabled by default]
 
-  * baseline
-    fd5bdc0924e0cfd1688b632068c1b26f3b0c88da..2ba92745c36eb3c3f3af0ce1b0aebd255c63a13b
-    introduces:
-
-        ../sysdeps/i386/fpu/bits/fenv.h: Assembler messages:
-        ../sysdeps/i386/fpu/bits/fenv.h:125: Warning: translating to `fdivp %st,%st(1)'
-
-    Should be fixed as of 2012-04-16.
-
   * baseline
     fd5bdc0924e0cfd1688b632068c1b26f3b0c88da..2ba92745c36eb3c3f3af0ce1b0aebd255c63a13b
     introduces:
@@ -683,12 +683,6 @@ TODO.
         regcomp.c:935:4: warning: large integer implicitly truncated to unsigned type [-Woverflow]
         regcomp.c:936:4: warning: large integer implicitly truncated to unsigned type [-Woverflow]
 
-        In file included from pldd.c:230:0:
-        pldd-xx.c:26:0: warning: "static_assert" redefined [enabled by default]
-        ../assert/assert.h:119:0: note: this is the location of the previous definition
-
-    Should be fixed as of 2012-04-16.
-
         tst-relsort1.c:6:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
 
 
@@ -699,7 +693,7 @@ TODO.
     $ make install_root="$PWD".install install 2>&1 | tee log_install
     [...]
 
-This takes up around 100 MiB, and needs roughly X min on kepler.SCHWINGE and 18
+This takes up around 100 MiB, and needs roughly X min on kepler.SCHWINGE and 16
 min on coulomb.SCHWINGE.
 
 
@@ -721,10 +715,14 @@ TODO.
 
 # Testsuite
 
-    $ make -k install_root=/INVALID check 2>&1 | tee log_test
+    $ make -k install_root=/INVALID check fast-check=yes 2>&1 | tee log_test
     [...]
 
-This needs roughly X h on kepler.SCHWINGE and 2.75 h on coulomb.SCHWINGE.
+This needs roughly X min on kepler.SCHWINGE and 60 min on coulomb.SCHWINGE.
+
+Specifying `fast-check=yes` disables the `conformtest` which takes 1.75 h (out
+of 2.75 h total) on coulomb.SCHWINGE, doesn't pass anyway, and clearly isn't
+our most critical issue to solve.
 
 <!--
     $ ssh kepler.SCHWINGE 'cd tmp/source/gdb/ && sed < hurd/master.build/gdb/testsuite/gdb.sum -e "s%\(/media/data\)\?${PWD}%[...]%g"' > open_issues/gdb/sum_linux
@@ -825,7 +823,7 @@ There is quite a baseline of failures.
 
     Will either need a `hurd/netinet/if_ether.h` that includes
     `<net/if_ether.h>`, or can do that in the generic `netinet/if_ether.h`?
-    See also [[!sourceware_bug 11142]].
+    See also [[!sourceware_PR 11142]].
 
   * `gmon/tst-sprofil`
 
@@ -843,7 +841,9 @@ There is quite a baseline of failures.
 
         getcontext failed, errno: 1073741902.
 
-    Is not implemented; see above.
+    Is not implemented; see above.  In 8958805c11c741d9211e20612c86271d906c9a0b
+    testing, `stdlib/bug-getcontext.out` now says: *Skipping test; no support
+    for FP exceptions.*
 
   * `elf/tst-unique3lib.so`, `elf/tst-unique3lib2.so`, `elf/tst-unique4lib.so`
 
@@ -865,11 +865,14 @@ There is quite a baseline of failures.
     `expected-results-i486-gnu-libc`).
 
   * `elf/tst-unused-dep.out` (1f393a11f65dcaa1952bdcaf0317a65a5f8aff9d,
-    [[!sourceware_bug 13706]], [[!message-id "4F4210C1.1090704@redhat.com"]])
+    [[!sourceware_PR 13706]], [[!message-id "4F4210C1.1090704@redhat.com"]])
 
         Unused direct dependencies:
                 /home/thomas/tmp/glibc/tschwinge/Roger_Whittaker.build-gcc-4.6-486/dlfcn/libdl.so.2
 
+    As of 8958805c11c741d9211e20612c86271d906c9a0b, this test now passes --
+    correct?
+
 
 ## OLD
 
diff --git a/open_issues/glibc/t/tls.mdwn b/open_issues/glibc/t/tls.mdwn
index 14ef36e4..68db2cc1 100644
--- a/open_issues/glibc/t/tls.mdwn
+++ b/open_issues/glibc/t/tls.mdwn
@@ -1,4 +1,4 @@
-[[!meta copyright="Copyright © 2011 Free Software Foundation, Inc."]]
+[[!meta copyright="Copyright © 2011, 2012 Free Software Foundation, Inc."]]
 
 [[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable
 id="license" text="Permission is granted to copy, distribute and/or modify this
@@ -53,6 +53,10 @@ License|/fdl]]."]]"""]]
         <tschwinge> And the other offsers are generated via tcb-offsets.sym.
         <tschwinge> glibc's elf/stackguard-macros.h is wrong for us (but not
           used anywhere apart from elf/tst-stackguard1.c, I think).
+
+After commit a9538892adfbb9f092e0bb14ff3a1703973968af, it's
+`sysdeps/i386/stackguard-macros.h`; problem remains.
+
         <tschwinge> __thread __locale_t __libc_tsd_LOCALE = &_nl_global_locale;
           -- this means that a __libc_tsd_LOCALE values will be in the TLS
           segment, and this is what is being accessed from the assembler code
diff --git a/open_issues/glibc_madvise_vs_static_linking.mdwn b/open_issues/glibc_madvise_vs_static_linking.mdwn
index 1f766428..ab633b0f 100644
--- a/open_issues/glibc_madvise_vs_static_linking.mdwn
+++ b/open_issues/glibc_madvise_vs_static_linking.mdwn
@@ -11,7 +11,7 @@ License|/fdl]]."]]"""]]
 
 [[!tag open_issue_glibc]]
 
-[[!sourceware_bug 4822]].
+[[!sourceware_PR 4822]].
 
     $ echo 'int main() {}' | gcc -o /dev/null -static -x c -
     /usr/lib/gcc/i486-gnu/4.4.5/../../../libcrt.a(malloc.o): In function `_int_free':
diff --git a/open_issues/libpthread_glibc_nptl_testsuite.mdwn b/open_issues/libpthread_glibc_nptl_testsuite.mdwn
new file mode 100644
index 00000000..687f8eea
--- /dev/null
+++ b/open_issues/libpthread_glibc_nptl_testsuite.mdwn
@@ -0,0 +1,28 @@
+[[!meta copyright="Copyright © 2012 Free Software Foundation, Inc."]]
+
+[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable
+id="license" text="Permission is granted to copy, distribute and/or modify this
+document under the terms of the GNU Free Documentation License, Version 1.2 or
+any later version published by the Free Software Foundation; with no Invariant
+Sections, no Front-Cover Texts, and no Back-Cover Texts.  A copy of the license
+is included in the section entitled [[GNU Free Documentation
+License|/fdl]]."]]"""]]
+
+[[!tag open_issue_glibc open_issue_libpthread]]
+
+For fun and profit we should run [[glibc]]'s [[NPTL]] testsuite against
+[[libpthread]].
+
+Also, there are sometimes issues fixed in NPTL that libpthread should also be
+checked against.  Totally incomplete list:
+
+  * Return `EAGAIN` instead of `ENOMEM`, glibc
+    5bdcc10322c488f53557440acf71623d8b313ab5.
+  * `pthread_cancel` when single-threaded, glibc
+    439bf404b8fa125cf950dc1aa37838702c5353ea, [[!sourceware_PR 13613]],
+    [[!message-id "20120509202437.268a72b9@spoyarek"]].
+  * `__libc_stack_end`, glibc 9c6ea9facbba4d430807bd21fa82892d713b1ecd,
+    18b5e737de22462ab6b3fc89f26c9ad480ebb843, [[!sourceware_PR 12416]],
+    [[!message-id "20120419120021.4780e8c8@spoyarek"]], [[!message-id
+    "20120615005913.4f517e02@spoyarek"]], [[!message-id
+    "4FE378DE.8050906@mentor.com"]].
-- 
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