[Bug 210517] New: nouveau: DRM: failed to map fb: -28 (GeForce 6600 LE, ppc64)

Sun Dec 6 14:16:56 UTC 2020

https://bugzilla.kernel.org/show_bug.cgi?id=210517

            Bug ID: 210517
           Summary: nouveau: DRM: failed to map fb: -28 (GeForce 6600 LE,
                    ppc64)
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.10-rc6
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri at kernel-bugs.osdl.org
          Reporter: erhard_f at mailbox.org
        Regression: Yes

Created attachment 293963
  --> https://bugzilla.kernel.org/attachment.cgi?id=293963&action=edit
dmesg (kernel 5.10-rc6, PowerMac G5 11,2)

With kernel 5.10-rc6 I only get a blank screen at boot, as soon as the display
is switching from OpenFirmware to nouveau DRM. With kernel 5.9.12 this works
fine. Also 5.10-rc6 with a Radeon X1600 works fine.

 # grep nouveau dmesg_510-rc6_g5 
fb0: switching to nouveaufb from OFfb NVDA,Displ
nouveau 0000:0a:00.0: NVIDIA NV43 (043200a4)
nouveau 0000:0a:00.0: bios: version 05.43.02.75.00
nouveau 0000:0a:00.0: fb: 128 MiB DDR1
nouveau 0000:0a:00.0: DRM: VRAM: 124 MiB
nouveau 0000:0a:00.0: DRM: GART: 512 MiB
nouveau 0000:0a:00.0: DRM: TMDS table version 1.1
nouveau 0000:0a:00.0: DRM: DCB version 3.0
nouveau 0000:0a:00.0: DRM: DCB outp 00: 01000100 00000028
nouveau 0000:0a:00.0: DRM: DCB outp 01: 03000102 00000000
nouveau 0000:0a:00.0: DRM: DCB outp 02: 04011210 00000028
nouveau 0000:0a:00.0: DRM: DCB outp 03: 02111212 02000100
nouveau 0000:0a:00.0: DRM: DCB outp 04: 02011211 0020c070
nouveau 0000:0a:00.0: DRM: DCB conn 00: 1030
nouveau 0000:0a:00.0: DRM: DCB conn 01: 2130
nouveau 0000:0a:00.0: DRM: failed to initialise sync subsystem, -28
nouveau 0000:0a:00.0: DRM: Setting dpms mode 3 on TV encoder (output 4)
nouveau 0000:0a:00.0: DRM: failed to map fb: -28
[drm] Initialized nouveau 1.3.1 20120801 for 0000:0a:00.0 on minor 0

 # grep nouveau dmesg_5912_g5 
fb0: switching to nouveaufb from OFfb NVDA,Displ
nouveau 0000:0a:00.0: NVIDIA NV43 (043200a4)
nouveau 0000:0a:00.0: bios: version 05.43.02.75.00
nouveau 0000:0a:00.0: fb: 128 MiB DDR1
nouveau 0000:0a:00.0: DRM: VRAM: 124 MiB
nouveau 0000:0a:00.0: DRM: GART: 512 MiB
nouveau 0000:0a:00.0: DRM: TMDS table version 1.1
nouveau 0000:0a:00.0: DRM: DCB version 3.0
nouveau 0000:0a:00.0: DRM: DCB outp 00: 01000100 00000028
nouveau 0000:0a:00.0: DRM: DCB outp 01: 03000102 00000000
nouveau 0000:0a:00.0: DRM: DCB outp 02: 04011210 00000028
nouveau 0000:0a:00.0: DRM: DCB outp 03: 02111212 02000100
nouveau 0000:0a:00.0: DRM: DCB outp 04: 02011211 0020c070
nouveau 0000:0a:00.0: DRM: DCB conn 00: 1030
nouveau 0000:0a:00.0: DRM: DCB conn 01: 2130
nouveau 0000:0a:00.0: DRM: MM: using M2MF for buffer copies
nouveau 0000:0a:00.0: DRM: Setting dpms mode 3 on TV encoder (output 4)
nouveau 0000:0a:00.0: DRM: allocated 1680x1050 fb: 0x9000, bo 000000004e24135e
nouveau 0000:0a:00.0: [drm] fb0: nouveaudrmfb frame buffer device
[drm] Initialized nouveau 1.3.1 20120801 for 0000:0a:00.0 on minor 0

Some data about the card:
 # lspci -v -s 0000:0a:00.0
0000:0a:00.0 VGA compatible controller: NVIDIA Corporation NV43 [GeForce 6600
LE] (rev a2) (prog-if 00 [VGA controller])
        Subsystem: NVIDIA Corporation NV43 [GeForce 6600 LE]
        Device tree node:
/sys/firmware/devicetree/base/pci at 0,f0000000/NVDA,Parent at 0
        Flags: bus master, fast devsel, latency 0, IRQ 17
        Memory at b2000000 (32-bit, non-prefetchable) [size=16M]
        Memory at b8000000 (64-bit, prefetchable) [size=128M]
        Memory at b1000000 (64-bit, non-prefetchable) [size=16M]
        Expansion ROM at b0000000 [disabled] [size=128K]
        Capabilities: [60] Power Management version 2
        Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+
        Capabilities: [78] Express Endpoint, MSI 00
        Capabilities: [100] Virtual Channel
        Capabilities: [128] Power Budgeting <?>
        Kernel modules: nouveau

Some data about the machine:
 # inxi -b --no-host
System:    Kernel: 5.9.12-gentoo-PowerMacG5 ppc64 bits: 64 Desktop: MATE 1.24.1
Distro: Gentoo Base System release 2.7 
Machine:   Type: PowerPC Device System: PowerMac11 2 details: PowerMac11 2 rev:
1.1 (pvr 0044 0101) serial: R6V 
CPU:       Info: Dual Core PPC970MP altivec supported [MCP] speed: 2300 MHz
min/max: 1150/2300 MHz 
Graphics:  Device-1: NVIDIA NV43 [GeForce 6600 LE] driver: N/A 
           Device-2: Advanced Micro Devices [AMD/ATI] RV530 [Radeon X1600 PRO]
driver: radeon v: kernel 
           Display: x11 server: X.Org 1.20.8 driver: ati,radeon resolution:
1680x1050~60Hz 
           OpenGL: renderer: ATI RV530 v: 2.1 Mesa 20.3.0 
Network:   Device-1: Broadcom and subsidiaries NetXtreme BCM5780 Gigabit
Ethernet driver: tg3 
           Device-2: Broadcom and subsidiaries NetXtreme BCM5780 Gigabit
Ethernet driver: tg3 
           Device-3: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
driver: r8169

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