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Re: glibc 2.22 --- Stil frozen. Machine maintainers start testing.
- From: "Carlos O'Donell" <carlos at redhat dot com>
- To: Szabolcs Nagy <szabolcs dot nagy at arm dot com>, GNU C Library <libc-alpha at sourceware dot org>
- Cc: Marcus Shawcroft <Marcus dot Shawcroft at arm dot com>
- Date: Tue, 28 Jul 2015 16:44:35 -0400
- Subject: Re: glibc 2.22 --- Stil frozen. Machine maintainers start testing.
- Authentication-results: sourceware.org; auth=none
- References: <55AFB23E dot 5030908 at arm dot com> <55B75DDB dot 4090305 at arm dot com>
On 07/28/2015 06:47 AM, Szabolcs Nagy wrote:
> On 22/07/15 16:09, Szabolcs Nagy wrote:
>> On 20/07/15 21:15, Carlos O'Donell wrote:
>>> This is a reminder that master is still frozen.
>>> Only bug fixes and documentation patches.
>>> Machine maintainers should *start* testing to make sure you
>>> don't run into any unforseen problems.
>>> I'd like to have the last bug fixes in by the end of the week.
>> aarch64 status:
> i cannot edit
If you tell me your wiki login name then I can add you, and you
can add your test results to the wiki.
> here is an update on a new toolchain:
> gcc version 6.0.0 20150724 (experimental), aarch64-unknown-linux-gnu
> GNU ld (GNU Binutils) 188.8.131.5250727
> Linux 3.18.5 #1 SMP PREEMPT aarch64
> XPASS: conform/ISO11/complex.h/conform
> XPASS: conform/ISO11/stdalign.h/conform
> XPASS: conform/ISO11/stdnoreturn.h/conform
> FAIL: debug/tst-backtrace5
> FAIL: debug/tst-backtrace6
> FAIL: nptl/tst-stack4
> Summary of test results:
> 3 FAIL
> 2252 PASS
> 88 XFAIL
> 3 XPASS
>> FAIL: debug/tst-backtrace5
>> FAIL: debug/tst-backtrace6
>> there is a fix as part of the cancel changes:
>> i can fix this independently, but i think it is ok
>> to delay this until next release and do it with the
>> cancellation fixes.
> still applies.
>> other pending issues:
>> BZ 17918 dynamic-linker race: pthread_create can access
>> GL(dl_tls_max_dtv_idx) and GL(dl_tls_generation) without
>> holding the rtld lock.
>> i don't know about any fix for this.
> this is the cause of nptl/tst-stack4 failure, it affects all archs,
> it happens about once out of 100 runs here on aarch64.
Given it's an existing bug we'll try to tackle this in the more thorough
P&C cleanup for that code in 2.23.
> Inconsistency detected by ld.so: dl-tls.c: 493:
> _dl_allocate_tls_init: Assertion `listp->slotinfo[cnt].gen <=
> _rtld_local._dl_tls_generation' failed!
>> BZ 18707 aarch64 --enable-profile is broken because asm
>> for the mcount call clobbers registers it shouldn't.
> i have a fix for this, not published yet.