[Bug 76983] [i915gml] *ERROR* conflict detected with stolen region: [0x1f8 00000 - 0x20000000]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76983

Paul Menzel <paulepanter at users.sourceforge.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW

--- Comment #9 from Paul Menzel <paulepanter at users.sourceforge.net> ---
(In reply to comment #5)
> Created attachment 96944 [details] [review]
> Patch to test.
> 
> Please test this patch

Applying this (cosmetic) patch to Linux 3.13.10 the error message is gone.

> and then attach the contents of /sys/kernel/debug/dri/0/i915_gem_stolen
> You need debugfs enabled&mounted for that ofc.

Looking at the patch, I could have done that even without the patch.

$ sudo more /sys/kernel/debug/dri/0/i915_gem_stolen
Stolen:
   ddb9be40: p g      128KiB 40 40 0 0 0 uncached dirty (pinned x 1) (ggtt
offset: 00000000, size
: 00020000) (stolen: 00000000) (p mappable)
   ddb9bc40: p g     1500KiB 41 00 0 0 0 uncached (name: 1) (pinned x 1)
(display) (ggtt offset: 00020000, size: 00177000) (stolen: 00020000) (p
mappable)
Total 2 objects, 1667072 bytes, 1667072 GTT size
$ sudo more /proc/iomem
00000000-00000fff : reserved
00001000-0009fbff : System RAM
0009fc00-0009ffff : reserved
000a0000-000bffff : PCI Bus 0000:00
  000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000d0000-000dffff : PCI Bus 0000:00
000e4000-000fffff : reserved
  000f0000-000fffff : System ROM
00100000-1f77ffff : System RAM
  01000000-013f630b : Kernel code
  013f630c-0158199f : Kernel data
  015fe000-0168cfff : Kernel bss
1f780000-1f78ffff : ACPI Tables
1f790000-1f7cffff : ACPI Non-volatile Storage
1f7d0000-1f7ddfff : reserved
1f7de000-1f7dffff : RAM buffer
1f7e0000-ffffffff : reserved
  1f810000-ffffffff : PCI Bus 0000:00
    20000000-201fffff : PCI Bus 0000:04
    20200000-203fffff : PCI Bus 0000:04
    20400000-205fffff : PCI Bus 0000:03
    20600000-20600fff : Intel Flush Page
    d0000000-dfffffff : 0000:00:02.0
    e0000000-efffffff : PCI MMCONFIG 0000 [bus 00-ff]
      e0000000-efffffff : pnp 00:09
        e0000000-efffffff : pnp 00:0a
    f0000000-f6ffffff : PCI Bus 0000:01
    f7eb7c00-f7eb7fff : 0000:00:1d.7
      f7eb7c00-f7eb7fff : ehci_hcd
    f7eb8000-f7ebbfff : 0000:00:1b.0
      f7eb8000-f7ebbfff : ICH HD audio
    f7ec0000-f7efffff : 0000:00:02.0
    f7f00000-f7f7ffff : 0000:00:02.0
    f7f80000-f7ffffff : 0000:00:02.1
    f8000000-fbefffff : PCI Bus 0000:01
      f8000000-f800ffff : 0000:01:00.0
        f8000000-f800ffff : ath5k
    fbf00000-fbffffff : PCI Bus 0000:03
      fbfa0000-fbfbffff : 0000:03:00.0
      fbfc0000-fbffffff : 0000:03:00.0
    fec00000-fec003ff : IOAPIC 0
    fed13000-fed19fff : pnp 00:00
    fed1c000-fed1ffff : pnp 00:07
      fed1f410-fed1f414 : iTCO_wdt
        fed1f410-fed1f414 : iTCO_wdt
    fed20000-fed8ffff : pnp 00:07
    fee00000-fee00fff : Local APIC
      fee00000-fee00fff : reserved
        fee00000-fee00fff : pnp 00:08
    fff80000-ffffffff : reserved

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