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Date:      Tue, 28 Apr 2009 20:40:03 GMT
From:      Giorgos Keramidas <keramida@freebsd.org>
To:        freebsd-x11@FreeBSD.org
Subject:   Re: ports/132041: Broken Intel video driver
Message-ID:  <200904282040.n3SKe3cZ051227@freefall.freebsd.org>

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The following reply was made to PR ports/132041; it has been noted by GNATS.

From: Giorgos Keramidas <keramida@freebsd.org>
To: Arthur Barlow <arthurbarlow@earthlink.net>
Cc: bug-followup@freebsd.org
Subject: Re: ports/132041: Broken Intel video driver
Date: Tue, 28 Apr 2009 23:26:17 +0300

 On Tue, 28 Apr 2009 22:05:51 +0300, Giorgos Keramidas <keramida@freebsd.org> wrote:
 >   http://lists.freedesktop.org/archives/xorg/2009-April/045117.html
 >
 > I've just updated my local port to 2.7.0 a few minutes ago and attached
 > the patch of the update to this message.  The 2.7.0 release of the Intel
 > video driver seems a lot more stable so far.  At least, I haven't been
 > able to crash it by switching desktops while a video is playing or by
 > clicking to the context menu of a media player, or by covering a media
 > player with another window.
 
 I spoke too soon. I managed to crash xf86-video-intel-2.7.0 too, through
 mplayer again (by minimizing and restoring the mplayer window a few
 times inside GNOME).  The backtrace this was was:
 
   root@kobe:/root# gdb /usr/local/bin/Xorg /var/gdm/Xorg.core
   [...]
   #0  0x2860a5e7 in kill () at kill.S:2
   2       RSYSCALL(kill)
   [New Thread 28701140 (LWP 100170)]
   (gdb) bt
   #0  0x2860a5e7 in kill () at kill.S:2
   #1  0x2851b3f7 in _raise (sig=6) at /usr/src/lib/libthr/thread/thr_sig.c:185
   #2  0x2860916a in abort () at /usr/src/lib/libc/stdlib/abort.c:65
   #3  0x285ef696 in __assert (func=0xbfbfe7a4 "\006", file=0x3 <Address 0x3 out of bounds>, line=0, 
       failedexpr=0x286d0664 "bo_fake->block->bo == &bo_fake->bo") at /usr/src/lib/libc/gen/assert.c:54
   #4  0x286cd5d3 in drm_intel_fake_reloc_and_validate_buffer () from /usr/local/lib/libdrm_intel.so.1
   #5  0x286cd52b in drm_intel_fake_reloc_and_validate_buffer () from /usr/local/lib/libdrm_intel.so.1
   #6  0x286cd52b in drm_intel_fake_reloc_and_validate_buffer () from /usr/local/lib/libdrm_intel.so.1
   #7  0x286cd90d in drm_intel_fake_bo_exec () from /usr/local/lib/libdrm_intel.so.1
   #8  0x286cb53e in drm_intel_bo_exec () from /usr/local/lib/libdrm_intel.so.1
   #9  0x2881843a in intel_batch_flush () from /usr/local/lib/xorg/modules/drivers//intel_drv.so
   #10 0x28823c9f in I830BlockHandler () from /usr/local/lib/xorg/modules/drivers//intel_drv.so
   #11 0x08167890 in AnimCurScreenBlockHandler ()
   #12 0x08133318 in compBlockHandler ()
   #13 0x08089808 in BlockHandler ()
   #14 0x0812177e in WaitForSomething ()
   #15 0x081daba0 in AnyClientsWriteBlocked ()
   #16 0x081dbd2c in ?? ()
   #17 0x081d0438 in __JCR_LIST__ ()
   #18 0x2873d5b0 in ?? ()
   #19 0x0000000c in ?? ()
   #20 0xbfbfeab8 in ?? ()
   #21 0x08127b59 in Xalloc ()
   #22 0x081d0438 in __JCR_LIST__ ()
   #23 0x3c910800 in ?? ()
   #24 0x3c9a7cc0 in ?? ()
   #25 0xbfbfed48 in ?? ()
   #26 0x08085d1d in Dispatch ()
   Previous frame inner to this frame (corrupt stack?)
   (gdb) q
 
 This was with libdrm-2.4.9 from the Ports tree.
 



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