[parisc-linux] NPTL: The Bad News.

[parisc-linux] NPTL: The Bad News.

[Carlos O'Donell]

The bad news is that I didn't work much on my thesis this long weekend.
The good news is that I fixed many serious flaws related to:

1. Stack direction, stack guards, and stack permissions.
2. Low level locking primitives returning the wrong values.
3. EAGAIN != EWOULDBLOCK snafu's
4. Compiler bugs.
5. Makefile bugs.

My current set of libc + tls + nptl failures is now down to:

make[2]: *** [libc-tls-nptl/math/test-float.out] Error 1
make[2]: *** [libc-tls-nptl/math/test-double.out] Error 1
make[2]: *** [libc-tls-nptl/math/test-ifloat.out] Error 1
make[2]: *** [libc-tls-nptl/math/test-idouble.o] Error 1
make[1]: *** [math/tests] Error 2

- These are cool.

make[2]: [libc-tls-nptl/posix/annexc.out] Error 1 (ignored)
make[2]: *** [libc-tls-nptl/nptl/tst-cond16.out] Error 1
make[2]: *** [libc-tls-nptl/nptl/tst-cond17.out] Error 1
make[2]: *** [libc-tls-nptl/nptl/tst-robustpi8.out] Error 1
make[2]: *** [libc-tls-nptl/nptl/tst-align2.out] Error 1
make[2]: *** [libc-tls-nptl/nptl/tst-cancel24] Error 1
make[2]: *** [libc-tls-nptl/nptl/tst-oddstacklimit.out] Error 139
make[2]: *** [libc-tls-nptl/nptl/tst-getpid1.out] Error 1
make[2]: *** [libc-tls-nptl/nptl/tst-getpid2.out] Error 1
make[2]: *** [libc-tls-nptl/nptl/tst-cancelx4.out] Error 1
make[2]: *** [libc-tls-nptl/nptl/tst-cancelx5.out] Error 1
make[2]: *** [libc-tls-nptl/nptl/tst-cancelx20.out] Error 1
make[2]: *** [libc-tls-nptl/nptl/tst-cancelx21.out] Error 1
make[2]: *** [libc-tls-nptl/nptl/tst-cleanupx4.out] Error 1
make[2]: *** [libc-tls-nptl/nptl/tst-fini1.out] Error 42
make[1]: *** [nptl/tests] Error 2

- These are not cool.

make[2]: *** [libc-tls-nptl/rt/tst-timer.out] Error 139
make[2]: *** [libc-tls-nptl/rt/tst-mqueue3.out] Error 1
make[2]: *** [libc-tls-nptl/rt/tst-timer4.out] Error 1
make[2]: *** [libc-tls-nptl/rt/tst-timer5.out] Error 1
make[2]: *** [libc-tls-nptl/rt/tst-cputimer1.out] Error 1
make[2]: *** [libc-tls-nptl/rt/tst-cputimer2.out] Error 1
make[2]: *** [libc-tls-nptl/rt/tst-cputimer3.out] Error 1
make[1]: *** [rt/tests] Error 2

- Who needs timers...

make[2]: *** [libc-tls-nptl/elf/tst-pie1.out] Error 139
make[2]: *** [libc-tls-nptl/elf/tst-leaks1-mem] Error 1
make[2]: *** [libc-tls-nptl/elf/order.out] Error 1
make[2]: *** [libc-tls-nptl/elf/nodelete2.out] Error 1
make[2]: *** [libc-tls-nptl/elf/tst-align2.out] Error 1
make[2]: *** [libc-tls-nptl/elf/order2.out] Error 1
make[2]: *** [libc-tls-nptl/elf/tst-audit2.out] Error 139
make[2]: *** [libc-tls-nptl/elf/tst-addr1.out] Error 1
make[2]: *** [libc-tls-nptl/elf/check-textrel.out] Error 1
make[1]: *** [elf/tests] Error 2
make: *** [check] Error 2

- These elf ones are all bad news, and for a fact I know I will have
to track down DSO initializer and finalizer bugs.

Huzah.

Cheers,
Carlos.
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Re: [parisc-linux] NPTL: The Bad News.

[Jeff Bailey]

On Wed, Sep 06, 2006 at 08:23:18PM -0400, Carlos O'Donell wrote:
> The bad news is that I didn't work much on my thesis this long weekend.
> The good news is that I fixed many serious flaws related to:
> 
> 1. Stack direction, stack guards, and stack permissions.
> 2. Low level locking primitives returning the wrong values.
> 3. EAGAIN != EWOULDBLOCK snafu's
> 4. Compiler bugs.
> 5. Makefile bugs.
> 
> My current set of libc + tls + nptl failures is now down to:

Nice!  I don't see these in CVS yet.  Is there a branch or something
you're working on?

> make[2]: [libc-tls-nptl/posix/annexc.out] Error 1 (ignored)

Why is this under the "not cool" set?  This is there for every arch.

> make[2]: *** [libc-tls-nptl/elf/tst-audit2.out] Error 139

Aside from the segfault, is the audit interface even written?

Tks,
Jeff Bailey

-- 
I do not agree with a word you say, but I will defend to the death your
right to say it. 
 - Voltaire
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Re: [parisc-linux] NPTL: The Bad News.

[Jeff Bailey]

On Thu, Sep 07, 2006 at 01:09:34PM -0400, Carlos O'Donell wrote:

> I didn't check it into CVS last night, but it is all there now.

When updating my tree, I noticed that this is still outstanding:
http://sourceware.org/ml/libc-ports/2006-07/msg00009.html

Without this one, glibc doesn't build with recent kernel headers.

Tks,
Jeff Bailey
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