https://bugs.freedesktop.org/show_bug.cgi?id=89558
--- Comment #27 from SMF <[email protected]> --- I have noticed that if the nouveau module is removed and re-added the second instance calculated the VRAM size correctly: modprobe nouveau;rmmod nouveau;modprobe nouveau Apr 2 16:15:20 Mars kernel: [ 95.443268] ACPI Warning: \_SB_.PCI0.GFX0._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20141107/nsarguments-95) Apr 2 16:15:20 Mars kernel: [ 95.443303] ACPI Warning: \_SB_.PCI0.GFX0._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20141107/nsarguments-95) Apr 2 16:15:20 Mars kernel: [ 95.443400] i915 0000:00:02.0: optimus capabilities: enabled, status dynamic power, hda bios codec supported Apr 2 16:15:20 Mars kernel: [ 95.443416] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20141107/nsarguments-95) Apr 2 16:15:20 Mars kernel: [ 95.443438] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20141107/nsarguments-95) Apr 2 16:15:20 Mars kernel: [ 95.443507] pci 0000:03:00.0: optimus capabilities: enabled, status dynamic power, hda bios codec supported Apr 2 16:15:20 Mars kernel: [ 95.443508] VGA switcheroo: detected Optimus DSM method \_SB_.PCI0.RP05.PEGP handle Apr 2 16:15:20 Mars kernel: [ 95.443532] nouveau 0000:03:00.0: enabling device (0006 -> 0007) Apr 2 16:15:20 Mars kernel: [ 95.443681] nouveau [ DEVICE][0000:03:00.0] BOOT0 : 0x118010a2 Apr 2 16:15:20 Mars kernel: [ 95.443683] nouveau [ DEVICE][0000:03:00.0] Chipset: GM107 (NV118) Apr 2 16:15:20 Mars kernel: [ 95.443685] nouveau [ DEVICE][0000:03:00.0] Family : NV110 Apr 2 16:15:20 Mars kernel: [ 95.447783] nouveau [ VBIOS][0000:03:00.0] using image from ACPI Apr 2 16:15:20 Mars kernel: [ 95.447821] nouveau [ VBIOS][0000:03:00.0] BIT signature found Apr 2 16:15:20 Mars kernel: [ 95.447823] nouveau [ VBIOS][0000:03:00.0] version 82.08.13.00.1c Apr 2 16:15:20 Mars kernel: [ 95.448092] nouveau [ PMC][0000:03:00.0] MSI interrupts enabled Apr 2 16:15:20 Mars kernel: [ 95.448145] nouveau [ PFB][0000:03:00.0] RAM type: DDR3 Apr 2 16:15:20 Mars kernel: [ 95.448147] nouveau [ PFB][0000:03:00.0] RAM size: -1159778304 MiB Apr 2 16:15:20 Mars kernel: [ 95.448148] nouveau [ PFB][0000:03:00.0] ZCOMP: 0 tags Apr 2 16:15:20 Mars kernel: [ 95.486566] nouveau [ PTHERM][0000:03:00.0] FAN control: none / external Apr 2 16:15:20 Mars kernel: [ 95.486579] nouveau [ PTHERM][0000:03:00.0] internal sensor: no Apr 2 16:15:20 Mars kernel: [ 95.486618] nouveau [ CLK][0000:03:00.0] 07: core 405 MHz memory 810 MHz Apr 2 16:15:20 Mars kernel: [ 95.486674] nouveau [ CLK][0000:03:00.0] 0a: core 270-1124 MHz memory 1600 MHz Apr 2 16:15:20 Mars kernel: [ 95.486746] nouveau [ CLK][0000:03:00.0] 0f: core 270-1124 MHz memory 2002 MHz Apr 2 16:15:20 Mars kernel: [ 95.486874] nouveau [ CLK][0000:03:00.0] --: core 13 MHz Apr 2 16:15:20 Mars kernel: [ 95.517016] nouveau [ PGRAPH][0000:03:00.0] using external firmware Apr 2 16:15:20 Mars kernel: [ 95.517393] request_firmware returned 0 (0xf15e5a84 'nouveau/nv118_fuc409c' 0xf2661864) Apr 2 16:15:20 Mars kernel: [ 95.517467] request_firmware returned 0 (0xf15e5a84 'nouveau/nv118_fuc409d' 0xf2661864) Apr 2 16:15:20 Mars kernel: [ 95.517658] request_firmware returned 0 (0xf15e5a84 'nouveau/nv118_fuc41ac' 0xf2661864) Apr 2 16:15:20 Mars kernel: [ 95.517727] request_firmware returned 0 (0xf15e5a84 'nouveau/nv118_fuc41ad' 0xf2661864) Apr 2 16:15:20 Mars kernel: [ 95.518153] vga_switcheroo: enabled Apr 2 16:15:20 Mars kernel: [ 95.518218] [TTM] Zone kernel: Available graphics memory: 414084 kiB Apr 2 16:15:20 Mars kernel: [ 95.518219] [TTM] Zone highmem: Available graphics memory: 4098824 kiB Apr 2 16:15:20 Mars kernel: [ 95.518220] [TTM] Initializing pool allocator Apr 2 16:15:20 Mars kernel: [ 95.518226] nouveau [ DRM] VRAM: -1159778304 MiB Apr 2 16:15:20 Mars kernel: [ 95.518227] nouveau [ DRM] GART: 1048576 MiB Apr 2 16:15:20 Mars kernel: [ 95.518231] nouveau [ DRM] DCB version 4.0 Apr 2 16:15:22 Mars kernel: [ 97.537378] nouveau [ DRM] MM: using COPY for buffer copies Apr 2 16:15:22 Mars kernel: [ 97.537398] [drm] Initialized nouveau 1.2.1 20120801 for 0000:03:00.0 on minor 1 Apr 2 16:15:27 Mars kernel: [ 102.539882] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20141107/nsarguments-95) Apr 2 16:15:27 Mars kernel: [ 102.540090] ACPI: \_SB_.PCI0.RP05.PEGP: failed to evaluate _DSM Apr 2 16:15:27 Mars kernel: [ 102.540099] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20141107/nsarguments-95) Apr 2 16:15:41 Mars kernel: [ 117.332569] [TTM] Finalizing pool allocator Apr 2 16:15:41 Mars kernel: [ 117.332630] [TTM] Zone kernel: Used memory at exit: 0 kiB Apr 2 16:15:41 Mars kernel: [ 117.332638] [TTM] Zone highmem: Used memory at exit: 0 kiB Apr 2 16:15:41 Mars kernel: [ 117.332644] vga_switcheroo: disabled Apr 2 16:15:41 Mars kernel: [ 117.335194] [drm] Module unloaded Apr 2 16:17:01 Mars kernel: [ 196.668965] ACPI Warning: \_SB_.PCI0.GFX0._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20141107/nsarguments-95) Apr 2 16:17:01 Mars kernel: [ 196.669077] ACPI Warning: \_SB_.PCI0.GFX0._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20141107/nsarguments-95) Apr 2 16:17:01 Mars kernel: [ 196.669380] i915 0000:00:02.0: optimus capabilities: enabled, status dynamic power, hda bios codec supported Apr 2 16:17:01 Mars kernel: [ 196.669441] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20141107/nsarguments-95) Apr 2 16:17:01 Mars kernel: [ 196.669526] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20141107/nsarguments-95) Apr 2 16:17:01 Mars kernel: [ 196.669793] pci 0000:03:00.0: optimus capabilities: enabled, status dynamic power, hda bios codec supported Apr 2 16:17:01 Mars kernel: [ 196.669798] VGA switcheroo: detected Optimus DSM method \_SB_.PCI0.RP05.PEGP handle Apr 2 16:17:01 Mars kernel: [ 196.670169] nouveau [ DEVICE][0000:03:00.0] BOOT0 : 0x118010a2 Apr 2 16:17:01 Mars kernel: [ 196.670175] nouveau [ DEVICE][0000:03:00.0] Chipset: GM107 (NV118) Apr 2 16:17:01 Mars kernel: [ 196.670181] nouveau [ DEVICE][0000:03:00.0] Family : NV110 Apr 2 16:17:01 Mars kernel: [ 196.675480] nouveau [ VBIOS][0000:03:00.0] using image from ACPI Apr 2 16:17:01 Mars kernel: [ 196.675518] nouveau [ VBIOS][0000:03:00.0] BIT signature found Apr 2 16:17:01 Mars kernel: [ 196.675521] nouveau [ VBIOS][0000:03:00.0] version 82.08.13.00.1c Apr 2 16:17:01 Mars kernel: [ 196.675704] nouveau [ PMC][0000:03:00.0] MSI interrupts enabled Apr 2 16:17:01 Mars kernel: [ 196.675740] nouveau [ PFB][0000:03:00.0] RAM type: DDR3 Apr 2 16:17:01 Mars kernel: [ 196.675742] nouveau [ PFB][0000:03:00.0] RAM size: 4096 MiB Apr 2 16:17:01 Mars kernel: [ 196.675744] nouveau [ PFB][0000:03:00.0] ZCOMP: 0 tags Apr 2 16:17:01 Mars kernel: [ 196.707235] nouveau [ PTHERM][0000:03:00.0] FAN control: none / external Apr 2 16:17:01 Mars kernel: [ 196.707244] nouveau [ PTHERM][0000:03:00.0] internal sensor: no Apr 2 16:17:01 Mars kernel: [ 196.707265] nouveau [ CLK][0000:03:00.0] 07: core 405 MHz memory 810 MHz Apr 2 16:17:01 Mars kernel: [ 196.707327] nouveau [ CLK][0000:03:00.0] 0a: core 270-1124 MHz memory 1600 MHz Apr 2 16:17:01 Mars kernel: [ 196.707406] nouveau [ CLK][0000:03:00.0] 0f: core 270-1124 MHz memory 2002 MHz Apr 2 16:17:01 Mars kernel: [ 196.707534] nouveau [ CLK][0000:03:00.0] --: core 405 MHz memory 810 MHz Apr 2 16:17:01 Mars kernel: [ 196.720937] nouveau [ PGRAPH][0000:03:00.0] using external firmware Apr 2 16:17:01 Mars kernel: [ 196.720959] request_firmware returned 0 (0xf1a57a84 'nouveau/nv118_fuc409c' 0xf2661864) Apr 2 16:17:01 Mars kernel: [ 196.720972] request_firmware returned 0 (0xf1a57a84 'nouveau/nv118_fuc409d' 0xf2661864) Apr 2 16:17:01 Mars kernel: [ 196.720980] request_firmware returned 0 (0xf1a57a84 'nouveau/nv118_fuc41ac' 0xf2661864) Apr 2 16:17:01 Mars kernel: [ 196.720987] request_firmware returned 0 (0xf1a57a84 'nouveau/nv118_fuc41ad' 0xf2661864) Apr 2 16:17:01 Mars kernel: [ 196.721191] vga_switcheroo: enabled Apr 2 16:17:01 Mars kernel: [ 196.721256] [TTM] Zone kernel: Available graphics memory: 414084 kiB Apr 2 16:17:01 Mars kernel: [ 196.721257] [TTM] Zone highmem: Available graphics memory: 4098824 kiB Apr 2 16:17:01 Mars kernel: [ 196.721258] [TTM] Initializing pool allocator Apr 2 16:17:01 Mars kernel: [ 196.721265] nouveau [ DRM] VRAM: 4096 MiB Apr 2 16:17:01 Mars kernel: [ 196.721266] nouveau [ DRM] GART: 1048576 MiB Apr 2 16:17:01 Mars kernel: [ 196.721270] nouveau [ DRM] DCB version 4.0 Apr 2 16:17:01 Mars kernel: [ 196.729665] nouveau [ DRM] MM: using COPY for buffer copies Apr 2 16:17:01 Mars kernel: [ 196.729670] [drm] Initialized nouveau 1.2.1 20120801 for 0000:03:00.0 on minor 1 Two further points the second instance causes the laptop to lockup (unsurprisingly) and secondly is the GART value correct ? -- You are receiving this mail because: You are the assignee for the bug.
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