[PATCH]Re: kern/122318 (CMake core dumping, chroot exiting)

[Kostik Belousov]

On Tue, Aug 12, 2008 at 08:36:16AM -0500, Sean C. Farley wrote:
> On Tue, 12 Aug 2008, Kostik Belousov wrote:
> 
> >On Mon, Aug 11, 2008 at 03:14:50PM -0500, Sean C. Farley wrote:
> >>On Sun, 3 Aug 2008, Chagin Dmitry wrote:
> >>>On Wed, 23 Jul 2008, Sean C. Farley wrote:
> >>>
> >>>>I am seeing if anyone has any insight on this PR (kern/122318[1]).
> >>>>It would be nice to once again build using cmake within a Linux
> >>>>chroot.  :)
> >>>>
> >>>>Basically, the bug is that not only that cmake is dumping core; it
> >>>>is also forcing the user out of the chroot environment.  Here is
> >>>>the command used to start the chroot:
> >>>>/compat/linux/usr/sbin/chroot <chroot path> su - <build user>
> >>>>
> >>>>Thank you.
> >>>>
> >>>>Sean
> >>>>1. http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/122318
> >>>
> >>>here patches for -current and releng_7:
> >>>http://78.107.232.239/rt_signals-current.patch
> >>>http://78.107.232.239/rt_signals-releng_7.patch
> >>>
> >>>what patch do:
> >>>- rt sigtramp code works (this solves PR)
> >>>- align stack pointers
> >>>- remove kern_sigaltstack() at the end of rt_sigreturn(), it's a
> >>> bogus.
> >>>Here there is some information on it:
> >>>http://www.ussg.iu.edu/hypermail/linux/kernel/0405.2/1283.html
> >>
> >>I just tried this patch.  It helps somewhat in that cmake does not
> >>die immediately when running gcc, which may be dieing itself, but
> >>other applications such as zsh and acroread start coring.  With
> >>acroread, it is actually bash, but bash does not core when run
> >>directly.
> >>
> >>This is on an amd64 system.
> >
> >CURRENT (what date ?) or RELENG_7 ?
> 
> RELENG_7 fairly recent (r181375).  Without the patch, there are no
> problems.  I really like that uname displays the revision.

As a wild guess, please merge r180992 and try again. I doubt that this
is the reason for the problem, but it might be.
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