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Re: gmake segfaults with netbsd32 compat
On 15/09/2016 21:04, coypu%SDF.ORG@localhost wrote:
On Thu, Sep 15, 2016 at 06:27:01PM +0200, Pierre Pronchery wrote:
On 09/15/16 08:44 AM, coypu%SDF.ORG@localhost wrote:
building with everything i386 except amd64 kernel or in i386 chroot and
amd64 host I have gmake repeatedly segfaulting. so much that I resorted
to using `while true; do make install; done` to get through building
I don't recall having such trouble with all i386 and switching back to
it seems to help a lot.
anyone seeing the same?
Are you using PaX mprotect? Try to "paxctl +m gmake" just in case.
Seems to be doing much better after
paxctl +a `which gmake`
Right, it's an issue with ASLR not mprotect; I mis-remembered.
Interesting it works well on i386, works well on amd64, but not in amd64
kernel with i386 userland.
When I looked around, I noticed it is making calls like
/* Clean up any alloca() used during the update. */
The Internet told me "don't do that". Would that be possibly related?
No, the underlying issue is documented there:
I committed a fix to -current (with help from xtos@) and asked for a
pull-up to NetBSD 7 but martin@ thinks the fix is not correct. He knows
better so I did not insist after that.
It works just fine in EdgeBSD though :)
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