Problem: ======= Your changes to i915_stolen_to_physical() (commit: eaba1b8f3379b5d100bd146b9a41d28348bdfd09) expose the following problem [ 2.272218] [drm:i915_stolen_to_physical] *ERROR* conflict detected with stolen region: [0x7f800000 - 0x80000000] Related bug reports: ================ https://bugs.freedesktop.org/show_bug.cgi?id=66726 https://bugs.freedesktop.org/show_bug.cgi?id=67520 Hardware ======== AOpen i915GMm-hfs mobo, Pentium-M dmesg | grep e820: =============== [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009f7ff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009f800-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007f7effff] usable [ 0.000000] BIOS-e820: [mem 0x000000007f7f0000-0x000000007f7f2fff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x000000007f7f3000-0x000000007f7fffff] ACPI data [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000ffb00000-0x00000000ffffffff] reserved [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable [ 0.000000] e820: last_pfn = 0x7f7f0 max_arch_pfn = 0x1000000 [ 0.000000] e820: [mem 0x7f800000-0xdfffffff] available for PCI devices [ 0.089777] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.199322] e820: reserve RAM buffer [mem 0x0009f800-0x0009ffff] [ 0.199347] e820: reserve RAM buffer [mem 0x7f7f0000-0x7fffffff] /proc/iomem: ========== 00000000-00000fff : reserved 00001000-0009f7ff : System RAM 0009f800-0009ffff : reserved 000a0000-000bffff : Video RAM area 000c0000-000c7fff : Video ROM 000d0000-000d3fff : pnp 00:0b 000d8000-000d97ff : Adapter ROM 000da000-000db7ff : Adapter ROM 000db800-000dbfff : pnp 00:0b 000e0000-000effff : pnp 00:0b 000f0000-000fffff : reserved 000f0000-000fffff : System ROM 00100000-7f7effff : System RAM 00100000-005492b1 : Kernel code 005492b2-007d2fbf : Kernel data 0084d000-00dabfff : Kernel bss 7f7f0000-7f7f2fff : ACPI Non-volatile Storage 7f7f3000-7f7fffff : ACPI Tables 7f800000-7fffffff : RAM buffer 80000000-801fffff : PCI Bus 0000:01 80200000-803fffff : PCI Bus 0000:01 80400000-806fffff : PCI Bus 0000:02 80400000-8041ffff : 0000:02:00.0 80700000-809fffff : PCI Bus 0000:03 80700000-8071ffff : 0000:03:00.0 80a00000-80bfffff : PCI Bus 0000:04 80c00000-80dfffff : PCI Bus 0000:04 c0000000-cfffffff : 0000:00:02.0 d0000000-d1ffffff : PCI Bus 0000:05 d0000000-d0ffffff : 0000:05:04.0 d0000000-d0ffffff : RME96 d1000000-d1000fff : 0000:05:03.0 d2000000-d20fffff : PCI Bus 0000:03 d2020000-d2023fff : 0000:03:00.0 d2020000-d2023fff : sky2 d2100000-d21fffff : PCI Bus 0000:02 d2120000-d2123fff : 0000:02:00.0 d2120000-d2123fff : sky2 d2200000-d227ffff : 0000:00:02.1 d2280000-d22fffff : 0000:00:02.0 d2300000-d233ffff : 0000:00:02.0 d2340000-d2343fff : 0000:00:1b.0 d2344000-d23443ff : 0000:00:1d.7 d2344000-d23443ff : ehci_hcd d2345000-d23453ff : 0000:00:1f.2 e0000000-efffffff : PCI MMCONFIG 0000 [bus 00-ff] e0000000-efffffff : reserved e0000000-efffffff : pnp 00:0a fec00000-fec00fff : reserved fec00000-fec003ff : IOAPIC 0 fed13000-fed1dfff : pnp 00:0b fed1f410-fed1f414 : iTCO_wdt fed1f410-fed1f414 : iTCO_wdt fed20000-fed8ffff : pnp 00:0b fee00000-fee00fff : Local APIC fee00000-fee00fff : reserved fee00000-fee00fff : pnp 00:0b ffb00000-ffffffff : reserved ffb00000-ffb7ffff : pnp 00:0b fff00000-ffffffff : pnp 00:0b lspci info: ======== 00:00.0 Host bridge: Intel Corporation Mobile 915GM/PM/GMS/910GML Express Processor to DRAM Controller (rev 04) 00: 86 80 90 25 06 00 90 20 04 00 00 06 00 00 00 00 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 a0 a0 80 25 30: 00 00 00 00 e0 00 00 00 00 00 00 00 00 00 00 00 40: 00 90 d1 fe 00 40 d1 fe 00 00 00 e0 00 80 d1 fe 50: 00 00 30 00 19 00 00 b8 00 00 00 00 00 00 00 00 60: 01 30 d1 fe 00 00 00 00 00 00 00 00 00 00 00 00 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 10 11 11 33 01 00 00 00 00 00 00 00 80 0a 38 00 a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 00 00 00 00 00 00 00 00 00 00 00 00 92 01 00 00 e0: 09 00 09 21 02 a2 8b 90 0a 00 00 00 00 00 00 00 f0: 00 00 00 00 00 00 00 00 00 00 05 00 00 00 00 00 00:02.0 VGA compatible controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 04) 00: 86 80 92 25 07 00 90 00 04 00 00 03 00 00 80 00 10: 00 00 28 d2 01 e0 00 00 08 00 00 c0 00 00 30 d2 20: 00 00 00 00 00 00 00 00 00 00 00 00 a0 a0 54 05 30: 00 00 00 00 d0 00 00 00 00 00 00 00 05 01 00 00 40: 00 00 00 00 e0 00 00 00 09 00 09 21 02 a2 8b 90 50: 0a 00 30 00 19 00 00 b8 00 00 00 00 00 00 80 7f 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 01 00 22 00 00 00 00 00 00 00 00 00 00 00 00 00 e0: 2a 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f0: 00 00 64 34 00 00 00 00 00 00 05 00 00 00 00 00 00:02.1 Display controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 04) 00: 86 80 92 27 07 00 90 00 04 00 80 03 00 00 80 00 10: 00 00 20 d2 00 00 00 00 00 00 00 00 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 a0 a0 54 05 30: 00 00 00 00 d0 00 00 00 00 00 00 00 00 00 00 00 40: 00 00 00 00 e0 00 00 00 09 00 09 21 02 a2 8b 90 50: 0a 00 30 00 19 00 00 b8 00 00 00 00 00 00 80 7f 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 01 00 22 00 00 00 00 00 00 00 00 00 00 00 00 00 e0: 2a 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f0: 00 00 64 34 00 00 00 00 00 00 05 00 00 00 00 00 00:00.0 Host bridge: Intel Corporation Mobile 915GM/PM/GMS/910GML Express Processor to DRAM Controller (rev 04) Subsystem: AOPEN Inc. Device 2580 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx- Latency: 0 Capabilities: [e0] Vendor Specific Information: Len=09 <?> Kernel driver in use: agpgart-intel 00:02.0 VGA compatible controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 04) (prog-if 00 [VGA controller]) Subsystem: AOPEN Inc. Device 0554 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0 Interrupt: pin A routed to IRQ 16 Region 0: Memory at d2280000 (32-bit, non-prefetchable) [size=512K] Region 1: I/O ports at e000 [size=8] Region 2: Memory at c0000000 (32-bit, prefetchable) [size=256M] Region 3: Memory at d2300000 (32-bit, non-prefetchable) [size=256K] Expansion ROM at <unassigned> [disabled] Capabilities: [d0] Power Management version 2 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Kernel driver in use: i915 00:02.1 Display controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 04) Subsystem: AOPEN Inc. Device 0554 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0 Region 0: Memory at d2200000 (32-bit, non-prefetchable) [size=512K] Capabilities: [d0] Power Management version 2 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- cu, Knut _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx