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

On Mon, Aug 08, 2016 at 02:39:18PM +0100, 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

ACK, thanks. This is a bit difficult to do much about - the only
machines I typically have access to are porter boxes, and they tend to
be fixed on jessie kernels.