On Wed, Nov 15, 2006 at 01:09:07PM -0800, Nishanth Aravamudan wrote:
> On 15.11.2006 [10:41:19 +1100], David Gibson wrote:
> > On Tue, Nov 14, 2006 at 02:33:59PM -0800, Nishanth Aravamudan wrote:
> > > On 14.11.2006 [12:21:36 -0800], Nishanth Aravamudan wrote:
> > > > Hi all,
> > > >
> > > > I'm hitting a brick wall debugging the linkshare segfaults I'm seeing.
> > > >
> > > > (These logs are from my 2-way x86_64, but I'm seeing similar issues on
> > > > a G5
> > > > (ppc64):
> > > >
> > > > HUGETLB_SHARE=2 xB.linkshare 2 (32): PASS
> > > > HUGETLB_SHARE=2 xB.linkshare 2 (64): PASS
> > > > HUGETLB_SHARE=1 xB.linkshare 2 (32): FAIL 2 of 2 children exited
> > > > abnormally
> > > > HUGETLB_SHARE=1 xB.linkshare 2 (64): FAIL 2 of 2 children exited
> > > > abnormally
> > > > HUGETLB_SHARE=2 xBDT.linkshare 2 (32): PASS
> > > > HUGETLB_SHARE=2 xBDT.linkshare 2 (64): PASS
> > > > HUGETLB_SHARE=1 xBDT.linkshare 2 (32): FAIL 2 of 2 children exited
> > > > abnormally
> > > > HUGETLB_SHARE=1 xBDT.linkshare 2 (64): FAIL 2 of 2 children exited
> > > > abnormally
> > > >
> > > > With all 4 failures being segmentation faults we caught.
> > >
> > > /me hangs head in shame.
> > >
> > > This is all probably just a stupid programming error on my part. I'll
> > > have a fix, I think, once I return from class.
> >
> > Btw, some of the existing testcases (e.g. alloc-instantiate-race) use
> > strsignal() and WTERMSIG() to give a more informative message when a
> > child is killed by a signal. It's probably a good idea to use that
> > here too, so you can see they died with a SEGV at first glance.
>
> Yes, this is done with a verbose test run. If I were to do it via a FAIL
> statement, we'd get 3 FAIL lines for every failing case. I suppose I
> could add a FAIL_CONT() for this...
Um.. I don't really follow you.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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