Re: strace build time tests fail on mips64el - missing syscall support?

On 2016-08-09 10:18, James Cowgill wrote:
> On 09/08/16 00:25, Aurelien Jarno wrote:
> > On 2016-08-08 14:39, James Cowgill wrote:
> >> Hi Steve,
> >>
> >> On 08/08/16 14:35, Steve McIntyre wrote:
> >>> On Wed, Jun 01, 2016 at 02:53:35PM +0100, Steve McIntyre wrote:
> >>>> Hi folks,
> >>>>
> >>>> I'm seeing a fair number of test suite failures for strace on
> >>>> mips64el, both in the most recent upload[1] and in current upstream
> >>>> git HEAD[2]. It's looking like a lot of ENOSYS errors. Could I get
> >>>> some porter help with this please? Otherwise I'm tempted to remove
> >>>> mips64el from the arch list for the package.
> >>>>
> >>>> [1] https://buildd.debian.org/status/fetch.php?pkg=strace&arch=mips64el&ver=4.11-1&stamp=1452274105
> >>>> [2] http://www.einval.com/debian/strace/build-logs/mips64el/
> >>>
> >>> Ping? Any help on this please?
> >>
> >> I'm having a look at this.
> >>
> >> In a preliminary check I found that about half the testsuite failures
> >> were caused by a kernel bug in the ptrace handling of any syscalls
> >> returning ENOSYS. The bug was fixed in 4.3 so testing strace on kernels
> >> older than that probably isn't a good idea. There are still some other
> >> failures though
> > 
> > Do you have a pointer to the fix? If it is small enough and easily
> > backportable, we can try to get it in the jessie kernel.
> 
> This is the fix:
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d218af78492a36a4ae607c08fedfb59258440314
> 
> It seems like Markos actually did want the patch to go into the stable
> tree, but it looks like that never happened:
> https://www.linux-mips.org/archives/linux-mips/2015-09/msg00293.html

Thanks for the pointer. I have just backported this fix to the jessie
branch in the git repository. I don't know when it will appear in a
stable update though.

Aurelien

-- 
Aurelien Jarno                          GPG: 4096R/1DDD8C9B
[email protected]                 http://www.aurel32.net

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