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Re: pkg/52496: modular-xorg-server segfaults on i386-8.99.1, -8.0_BETA

The following reply was made to PR pkg/52496; it has been noted by GNATS.

From: "John D. Baker" <>
Subject: Re: pkg/52496: modular-xorg-server segfaults on i386-8.99.1, -8.0_BETA
Date: Tue, 22 Aug 2017 10:02:26 -0500 (CDT)

 On Mon, 21 Aug 2017, John D. Baker wrote:
 > I'll try again booting the Rage128-equipped machine with GENERIC which
 > will effectively mean _no_ DRM drivers of any kind.
 The first attempt locked the machine up hard and there was only one line
 in "Xorg.0.log".  It was not helpful.
 After rebooting and cleaning up, logging in via SSH and running the X
 server under 'gdb' seems to have worked.  The display is properly
 initialized, mouse and keyboard respond.  Clients can connect and display.
 First 'twm' was launched with:
   $ twm -display :0 &
 Then, from the 'twm' menu, 'xterm' was launched.  Using the XTerm,
 'xrdb -merge .Xresources' was run.  The XTerm was closed and a new
 one opened, reflecting the preferences in .Xresources.
 The XTerm was closed, and 'twm' told to exit via its menu.  Immediately
 the display froze.  The 'gdb' session reported:
 Thread 2 received signal SIGPIPE, Broken pipe.
 [Switching to LWP 2]
 0xaeda0df7 in poll () from /usr/lib/
 (gdb) bt
 #0  0xaeda0df7 in poll () from /usr/lib/
 #1  0xaeef9beb in poll (fds=0xa85e3000, nfds=3, timeout=timeout@entry=-1)
     at /x/current/src/lib/libpthread/pthread_cancelstub.c:412
 #2  0x081cba5d in ospoll_wait (ospoll=0xae877340, timeout=timeout@entry=-1)
     at ospoll.c:417
 #3  0x081c9457 in InputThreadDoWork (arg=0x0) at inputthread.c:367
 #4  0xaeefec33 in pthread__create_tramp (cookie=0xa85e2000)
     at /x/current/src/lib/libpthread/pthread.c:593
 #5  0xaedf4060 in __mknod50 () from /usr/lib/
 #6  0xa85e2000 in ?? ()
 Backtrace stopped: previous frame inner to this frame (corrupt stack?)
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