Re: kern/50804: Nouveau console doesn't come up on Dell laptop

To: kern-bug-people%netbsd.org@localhost,gnats-admin%netbsd.org@localhost,netbsd-bugs%netbsd.org@localhost,rcbixler%nyx.net@localhost
Subject: Re: kern/50804: Nouveau console doesn't come up on Dell laptop
From: Roy Bixler <rcbixler%nyx.net@localhost>
Date: Sat, 20 Feb 2016 15:50:01 +0000 (UTC)
The following reply was made to PR kern/50804; it has been noted by GNATS.

From: Roy Bixler <rcbixler%nyx.net@localhost>
To: Taylor R Campbell <riastradh%NetBSD.org@localhost>
Cc: gnats-bugs%NetBSD.org@localhost
Subject: Re: kern/50804: Nouveau console doesn't come up on Dell laptop
Date: Sat, 20 Feb 2016 08:45:45 -0700

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 On Mon, Feb 15, 2016 at 08:41:48PM +0000, Taylor R Campbell wrote:
 > Why did you change the BAR?  What suggests that BAR 1 is correct and
 > not BAR 2 or BAR 3?
 
 In my ignorance, I thought it worth a try.
 
 > I committed a tiny change to the BAR mapping code so that it will
 > print the error with which bus_space_map failed.  It might be
 > worthwhile to see what you get out of that.
 
 I compiled a kernel with that patch and attach the output.
 
 > Another change that might be worthwhile to test would be to add
 > 
 > #include <ddb/ddb.h>
 > 
 > 	if (bpa/size covers the nvidia bar)
 > 		db_stack_trace_print(
 > 		    (db_expr_t)(intptr_t)__builtin_frame_address(0),
 > 		    true, 65535, "", printf);
 > 
 > to bus_space_map in sys/arch/x86/x86/bus_space.c, so that you can see
 > who is trying to map this bus space, in case someone else has already
 > mapped it.  (You'll need to fill in what the relevant BAR's address
 > and size actually are, unless you want to increase MSGBUFSIZE and wade
 > through a stack trace for every bus space mapping in the system.)
 
 The thought occurred to me before, so since you agree, I'll give it a
 go.
 
 -- 
 Roy Bixler <rcbixler%nyx.net@localhost>
 "The fundamental principle of science, the definition almost, is this: the
 sole test of the validity of any idea is experiment."
 -- Richard P. Feynman
 
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 Content-Type: text/plain; charset=us-ascii
 Content-Disposition: attachment; filename="minicom.cap.1"
 
 [ Kernel symbol table invalid! ]
 multiboot: Information structure flags: 0x0000000d
 multiboot: Command line: nnetbsd root=wd0a console=com console_speed=57600
 multiboot: 636 KB lower memory, 1047392 KB upper memory
 Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
     The NetBSD Foundation, Inc.  All rights reserved.
 Copyright (c) 1982, 1986, 1989, 1991, 1993
     The Regents of the University of California.  All rights reserved.
 
 NetBSD 7.99.26 (GENERIC) #2: Sat Feb 20 15:37:36 UTC 2016
 	root%laptop.bix.org@localhost:/usr/src/sys/arch/i386/compile/GENERIC
 total memory = 1023 MB
 avail memory = 988 MB
 mainbus0 (root)
 ACPI: RSDP 0x00000000000FC9B0 000014 (v00 DELL  )
 ACPI: RSDT 0x000000003FFD8790 000040 (v01 DELL   D05      27D60314 ASL  00000061)
 ACPI: FACP 0x000000003FFD9400 000074 (v01 DELL   D05      27D60314 ASL  00000061)
 ACPI: DSDT 0x000000003FFDA000 00355D (v01 INT430 SYSFexxx 00001001 MSFT 0100000E)
 ACPI: FACS 0x000000003FFE8800 000040
 ACPI: APIC 0x000000003FFD9C00 000068 (v01 DELL   D05      27D60314 ASL  00000047)
 ACPI: ASF! 0x000000003FFD9800 00005B (v16 DELL   D05      27D60314 ASL  00000061)
 ACPI: MCFG 0x000000003FFD9BC0 00003E (v16 DELL   D05      27D60314 ASL  00000061)
 ACPI: SSDT 0x000000003FFD8BE6 0002C2 (v01 PmRef  Cpu0Ist  00003000 INTL 20030522)
 ACPI: SSDT 0x000000003FFD8A0E 0001D8 (v01 PmRef  Cpu0Cst  00003001 INTL 20030522)
 ACPI: SSDT 0x000000003FFD8813 0001FB (v01 PmRef  CpuPm    00003000 INTL 20030522)
 ACPI: 4 ACPI AML tables successfully acquired and loaded
 
 ioapic0 at mainbus0 apid 1
 cpu0 at mainbus0 apid 0
 cpu0: Intel(R) Pentium(R) M processor 2.13GHz, id 0x6d8
 acpi0 at mainbus0: Intel ACPICA 20160108
 ACPI: Dynamic OEM Table Load:
 ACPI: SSDT 0x00000000C25C3E4C 000043 (v01 LMPWR  DELLLOM  00001001 INTL 20030522)
 acpiacad0 at acpi0 (AC, ACPI0003): ACPI AC Adapter
 acpibat0 at acpi0 (BAT0, PNP0C0A-1): ACPI Battery
 acpibat0: Sanyo LION rechargeable battery
 acpibat1 at acpi0 (BAT1, PNP0C0A-2): ACPI Battery
 acpilid0 at acpi0 (LID, PNP0C0D): ACPI Lid Switch
 acpibut0 at acpi0 (PBTN, PNP0C0C): ACPI Power Button
 acpibut1 at acpi0 (SBTN, PNP0C0E): ACPI Sleep Button
 MB1 (PNP0C01) at acpi0 not configured
 MB2 (PNP0C01) at acpi0 not configured
 MB3 (PNP0C01) at acpi0 not configured
 pckbc1 at acpi0 (PS2M, PNP0F13) (aux port): irq 12
 pckbc2 at acpi0 (KBC, PNP0303) (kbd port): io 0x60,0x64,0x62,0x66 irq 1
 attimer1 at acpi0 (TMR, PNP0100): io 0x40-0x43,0x50-0x53 irq 2
 pcppi1 at acpi0 (SPKR, PNP0800): io 0x61,0x63,0x65,0x67
 midi0 at pcppi1: PC speaker
 sysbeep0 at pcppi1
 MB4 (PNP0C01) at acpi0 not configured
 COPR (PNP0C04) at acpi0 not configured
 UAR1 (PNP0501) at acpi0 not configured
 FTPM (PNP0C01) at acpi0 not configured
 acpivga0 at acpi0 (VID): ACPI Display Adapter
 acpiout0 at acpivga0 (TV, 0x0200): ACPI Display Output Device
 acpiout1 at acpivga0 (CRT, 0x0100): ACPI Display Output Device
 acpiout2 at acpivga0 (LCD, 0x0110): ACPI Display Output Device
 acpiout3 at acpivga0 (DVI, 0x0120): ACPI Display Output Device
 acpitz0 at acpi0 (THM)
 apm0 at acpi0: Power Management spec V1.2
 ACPI: Enabled 2 GPEs in block 00 to 1F
 pckbd0 at pckbc2 (kbd slot)
 pckbc2: using irq 1 for kbd slot
 wskbd0 at pckbd0 mux 1
 pms0 at pckbc2 (aux slot)
 pckbc2: using irq 12 for aux slot
 wsmouse0 at pms0 mux 0
 attimer1: attached to pcppi1
 pci0 at mainbus0 bus 0: configuration mode 1
 pchb0 at pci0 dev 0 function 0: vendor 8086 product 2590 (rev. 0x03)
 agp0 at pchb0: can't find internal VGA config space
 ppb0 at pci0 dev 1 function 0: vendor 8086 product 2591 (rev. 0x03)
 ppb0: PCI Express capability version 1 <Root Port of PCI-E Root Complex> x16 @ 2.5GT/s
 pci1 at ppb0 bus 1
 nouveau0 at pci1 dev 0 function 0: vendor 10de product 00cc (rev. 0xa2)
 ppb1 at pci0 dev 28 function 0: vendor 8086 product 2660 (rev. 0x03)
 ppb1: PCI Express capability version 1 <Root Port of PCI-E Root Complex> x1 @ 2.5GT/s
 pci2 at ppb1 bus 2
 bge0 at pci2 dev 0 function 0: Broadcom BCM5751 Gigabit Ethernet
 bge0: interrupting at ioapic0 pin 16
 bge0: HW config 00000155, 00004015, 00000000, 00000000 00000000
 bge0: ASIC BCM5750 A1 (0x4001), Ethernet address 00:14:22:ef:2a:5d
 brgphy0 at bge0 phy 1: BCM5750 1000BASE-T media interface, rev. 0
 brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
 uhci0 at pci0 dev 29 function 0: vendor 8086 product 2658 (rev. 0x03)
 uhci0: interrupting at ioapic0 pin 16
 usb0 at uhci0: USB revision 1.0
 uhci1 at pci0 dev 29 function 1: vendor 8086 product 2659 (rev. 0x03)
 uhci1: interrupting at ioapic0 pin 17
 usb1 at uhci1: USB revision 1.0
 uhci2 at pci0 dev 29 function 2: vendor 8086 product 265a (rev. 0x03)
 uhci2: interrupting at ioapic0 pin 18
 usb2 at uhci2: USB revision 1.0
 uhci3 at pci0 dev 29 function 3: vendor 8086 product 265b (rev. 0x03)
 uhci3: interrupting at ioapic0 pin 19
 usb3 at uhci3: USB revision 1.0
 ehci0 at pci0 dev 29 function 7: vendor 8086 product 265c (rev. 0x03)
 ehci0: interrupting at ioapic0 pin 16
 ehci0: companion controllers, 2 ports each: uhci0 uhci1 uhci2 uhci3
 usb4 at ehci0: USB revision 2.0
 ppb2 at pci0 dev 30 function 0: vendor 8086 product 2448 (rev. 0xd3)
 pci3 at ppb2 bus 3
 cbb0 at pci3 dev 1 function 0: vendor 104c product 8036 (rev. 0x00)
 vendor 104c product 8038 (miscellaneous communications) at pci3 dev 1 function 5 not configured
 iwi0 at pci3 dev 3 function 0: vendor 8086 product 4220 (rev. 0x05)
 iwi0: interrupting at ioapic0 pin 17
 iwi0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
 iwi0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
 cbb0: interrupting at ioapic0 pin 19
 cardslot0 at cbb0
 cardbus0 at cardslot0: bus 4
 pcmcia0 at cardslot0
 auich0 at pci0 dev 30 function 2: i82801FB (ICH6) AC-97 Audio
 auich0: interrupting at ioapic0 pin 16
 auich0: ac97: SigmaTel STAC9750/51 codec; headphone, 20 bit DAC, 20 bit ADC, SigmaTel 3D
 auich0: ac97: ext id 0x605<AC97_22,AMAP,SPDIF,VRA>
 ichlpcib0 at pci0 dev 31 function 0: vendor 8086 product 2641 (rev. 0x03)
 ichlpcib0: 24-bit timer
 tco0 at ichlpcib0: TCO (watchdog) timer configured.
 gpio0 at ichlpcib0: 64 pins
 piixide0 at pci0 dev 31 function 2: Intel 82801FBM Serial ATA Controller (ICH6) (rev. 0x03)
 piixide0: primary channel interrupting at ioapic0 pin 14
 atabus0 at piixide0 channel 0
 piixide0: secondary channel interrupting at ioapic0 pin 15
 atabus1 at piixide0 channel 1
 isa0 at ichlpcib0
 com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
 com0: console
 acpicpu0 at cpu0: ACPI CPU
 acpiacad0: AC adapter online.
 audio0 at auich0: full duplex, playback, capture, mmap, independent
 uhub0 at usb0: vendor 8086 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub1 at usb1: vendor 8086 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub2 at usb2: vendor 8086 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub3 at usb3: vendor 8086 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub4 at usb4: vendor 8086 EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
 wd0 at atabus0 drive 0
 wd0: <Hitachi HTS721080G9AT00>
 wd0: 76319 MB, 155061 cyl, 16 head, 63 sec, 512 bytes/sect x 156301488 sectors
 atapibus0 at atabus1: 2 targets
 cd0 at atapibus0 drive 0: <_NEC DVD+/-RW ND-6650A, , 102C> cdrom removable
 boot device: wd0
 root on wd0a dumps on wd0b
 root file system type: ffs
 kern.module.path=/stand/i386/7.99.26/modules
 drm kern info: nouveau  [  DEVICE][nouveau0] BOOT0  : 0x042c00a1
 drm kern info: nouveau  [  DEVICE][nouveau0] Chipset: NV42 (NV42)
 drm kern info: nouveau  [  DEVICE][nouveau0] Family : NV40
 drm kern info: nouveau  [   VBIOS][nouveau0] checking PRAMIN for image...
 drm kern info: nouveau  [   VBIOS][nouveau0] ... appears to be valid
 drm kern info: nouveau  [   VBIOS][nouveau0] using image from PRAMIN
 drm kern info: nouveau  [   VBIOS][nouveau0] BIT signature found
 drm kern info: nouveau  [   VBIOS][nouveau0] version 05.41.02.29.a3
 drm kern info: nouveau  [     PFB][nouveau0] RAM type: DDR1
 drm kern info: nouveau  [     PFB][nouveau0] RAM size: 256 MiB
 drm kern info: nouveau  [     PFB][nouveau0]    ZCOMP: 189440 tags
 drm kern error: nouveau E[ INSTMEM][nouveau0] unable to map PRAMIN BAR: 35
 drm kern error: nouveau E[  DEVICE][nouveau0] failed to create 0x1000400c, -14
 drm kern error: nouveau E[     DRM] failed to create 0x80000080, -14
 nouveau0: unable to attach drm: 14
 
 --oyUTqETQ0mS9luUI--
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