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43b27f40eb
Oops, when merging the extra details following an OOM, I missed that driver_private is now NULL and the correct way to convert from the drm_gem_object into the drm_i915_gem_object is to use to_intel_bo(). BUG: unable to handle kernel NULL pointer dereference at 00000069 IP: [<c11a4a02>] i915_gem_do_execbuffer+0x71f/0xbb6 *pde = 00000000 Oops: 0000 [#1] SMP last sysfs file: /sys/devices/virtual/vc/vcsa3/uevent Pid: 10993, comm: X Not tainted 2.6.35-rc2+ #67 / EIP: 0060:[<c11a4a02>] EFLAGS: 00213202 CPU: 0 EIP is at i915_gem_do_execbuffer+0x71f/0xbb6 EAX: f647e8a8 EBX: 00000000 ECX: 00000003 EDX: 00000000 ESI: 00424000 EDI: 00000000 EBP: f6508e48 ESP: f6508dd4 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Process X (pid: 10993, ti=f6508000 task=f6432880 task.ti=f6508000) Stack: f6508de0 f7130000 00000001 00000000 00000000 f647e8a8 00000000 f64f8480 <0> f7974414 00000000 00000006 00000000 00000000 f6578000 00000008 00000006 <0> f6797880 00400000 00000000 ffffffe4 f7974400 000000d0 000000d0 000001c0 Call Trace: [<c11a4f3a>] ? i915_gem_execbuffer2+0xa1/0xe7 [<c118ab96>] ? drm_ioctl+0x22c/0x2fa [<c11a4e99>] ? i915_gem_execbuffer2+0x0/0xe7 [<c107e88c>] ? do_sync_read+0x8f/0xca [<c1088cbd>] ? vfs_ioctl+0x2c/0x96 [<c118a96a>] ? drm_ioctl+0x0/0x2fa [<c10891f4>] ? do_vfs_ioctl+0x429/0x45a [<c107e5c9>] ? fsnotify_access+0x54/0x5f [<c107ee1c>] ? vfs_read+0x9a/0xae [<c1089258>] ? sys_ioctl+0x33/0x4d [<c1002610>] ? sysenter_do_call+0x12/0x26 Code: d0 89 4d c4 31 c9 89 45 d8 eb 44 8b 45 cc 8b 14 88 8b 42 50 89 45 bc 8b 45 a0 8b 52 38 89 55 d0 31 d2 f6 40 20 01 74 0d 8b 55 bc <f6> 42 69 30 0f 95 c2 0f b6 d2 8b 45 d0 c7 45 d4 00 00 00 00 89 EIP: [<c11a4a02>] i915_gem_do_execbuffer+0x71f/0xbb6 SS:ESP 0068:f6508dd4 CR2: 0000000000000069 ---[ end trace 3f1d514b34d39381 ]--- Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Eric Anholt <eric@anholt.net> |
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