Re: pkg/52452: qt3-tools build 'uic' stuck in "fdclose" w/modular Xorg on i386-8.0_BETA and i386-8.99.1

[Joerg Sonnenberger <joerg%bec.de@localhost>]

The following reply was made to PR pkg/52452; it has been noted by GNATS.

From: Joerg Sonnenberger <joerg%bec.de@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: pkg-manager%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, pkgsrc-bugs%netbsd.org@localhost,
	jdbaker%mylinuxisp.com@localhost
Subject: Re: pkg/52452: qt3-tools build 'uic' stuck in "fdclose" w/modular
 Xorg on i386-8.0_BETA and i386-8.99.1
Date: Thu, 3 Aug 2017 11:28:39 +0200

 On Thu, Aug 03, 2017 at 04:00:01AM +0000, John D. Baker wrote:
 > The following reply was made to PR pkg/52452; it has been noted by GNATS.
 > 
 > From: "John D. Baker" <jdbaker%mylinuxisp.com@localhost>
 > To: gnats-bugs%NetBSD.org@localhost
 > Cc: 
 > Subject: Re: pkg/52452: qt3-tools build 'uic' stuck in "fdclose" w/modular
 >  Xorg on i386-8.0_BETA and i386-8.99.1
 > Date: Wed, 2 Aug 2017 22:59:42 -0500 (CDT)
 > 
 >  On Wed, 2 Aug 2017, John D. Baker wrote:
 >  
 >  > Rebooting to clear out the stuck 'uic' processes then executing the
 >  > same command line under 'ktruss' shows:
 >  [snip]
 >  > 
 >  > The EACCESS result from "mmap()" suggests perhaps a PAX MPROTECT issue?
 >  
 >  I've just noticed the same issue with 'mplayer'.  As with 'uic', it hangs
 >  trying to "mmap()" the file descriptor previously obtained by opening
 >  ""/usr/pkg/lib/libGL.so.1".
 >  
 >  [...]
 >     105      1 mplayer  open("/usr/pkg/lib/libGL.so.1", 0, 0xbfb53350) = 3
 >     105      1 mplayer  __fstat50(0x3, 0xbfb53350)  = 0
 >     105      1 mplayer  mmap(0, 0x1000, 0x1, 0x1, 0x3, 0, 0, 0) = 0xb125b000
 >     105      1 mplayer  munmap(0xb125b000, 0x1000)  = 0
 >     105      1 mplayer  mmap(0, 0x67000, 0x5, 0x2, 0x3, 0, 0, 0) = 0xb11f5000
 >     105      1 mplayer  mmap(0xb124e000, 0xe000, 0x7, 0x12, 0x3, 0, 0x58000, 0) Err#13 EACCES
                                                    ^ this is an RWX mapping?
 
 Can you run it in GDB with a break point on mmap and figure out where
 that call is from?
 
 Joerg