re: kern/49707: i386 i915drmkms on 82845G/GL panic with Xorg intel driver

["John D. Baker" <jdbaker%mylinuxisp.com@localhost>]

The following reply was made to PR kern/49707; it has been noted by GNATS.

From: "John D. Baker" <jdbaker%mylinuxisp.com@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: re: kern/49707: i386 i915drmkms on 82845G/GL panic with Xorg intel
 driver
Date: Wed, 19 Oct 2016 16:24:20 -0500 (CDT)

 On Wed, 19 Oct 2016, matthew green wrote:
 
 > >  0xaac9c3b1 in __kgem_bo_make_scanout (kgem=0xaad9f000, bo=0xaaaa9550, 
 > >      width=1280, height=1024)
 > >      at /x/current/src/../xsrc/external/mit/xf86-video-intel/dist/src/sna/kgem.c:4799
 > >  4799                            *(uint32_t *)bo->map__gtt = 0;
 > >  (gdb) bt
 > 
 > can you try "p *bo" here?  also "p bo->map__gtt".
 
 (gdb) p *bo
 $1 = {rq = 0x0, exec = 0x0, proxy = 0x0, list = {next = 0xb65a955c, 
     prev = 0xb65a955c}, request = {next = 0xb65a9564, prev = 0xb65a9564}, 
   vma = {next = 0xb65a956c, prev = 0xb65a956c}, map__cpu = 0x0, 
   map__gtt = 0xb562a000, map__wc = 0x0, binding = {next = 0x0, format = 0, 
     offset = 0}, presumed_offset = 0, unique_id = 266, refcnt = 1, 
   handle = 26, target_handle = 4294967295, delta = 0, active_scanout = 0, 
   size = {pages = {count = 2048, bucket = 11}, bytes = 1476397056}, 
   pitch = 8192, tiling = 1, reusable = 1, gpu_dirty = 0, gtt_dirty = 0, 
   domain = 1, needs_flush = 0, snoop = 0, io = 0, flush = 0, scanout = 1, 
   prime = 0, purged = 0}
 
 (gdb) p bo->map__gtt
 $2 = (void *) 0xb562a000
 
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