port-macppc/58320: NetBSD/macppc 10.0 INSTALL kernel stalls on Power Mac G4

To: port-macppc-maintainer%netbsd.org@localhost,gnats-admin%netbsd.org@localhost,netbsd-bugs%netbsd.org@localhost
Subject: port-macppc/58320: NetBSD/macppc 10.0 INSTALL kernel stalls on Power Mac G4
From: Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>
Date: Sat, 8 Jun 2024 15:20:00 +0000 (UTC)
>Number:         58320
>Category:       port-macppc
>Synopsis:       NetBSD/macppc 10.0 INSTALL kernel stalls on Power Mac G4
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    port-macppc-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Jun 08 15:20:00 +0000 2024
>Originator:     Izumi Tsutsui
>Release:        NetBSD 10.0
>Organization:
>Environment:
System: NetBSD 10.0 (INSTALL) #0: Thu Mar 28 08:33:33 UTC 2024 mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/macppc/compile/INSTALL macppc
Architecture: powerpc
Machine: macppc
>Description:
NetBSD/macppc 10.0 INSTALL kernel booted from an official
NetBSD-10.0-macppc.iso stalls just after genfb(4) is attached.

See the following video for details:
 https://www.youtube.com/watch?v=C2HhzWNuR0A

Note GENERIC kernel that uses r128fb(4) instead of genfb(4)
works fine.

---
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    2024
    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 10.0 (GENERIC) #0: Thu Mar 28 08:33:33 UTC 2024
	mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/macppc/compile/GENERIC
total memory = 1024 MB
oea_startup: failed to allocate DEAD ZONE: error=12
avail memory = 977 MB
timecounter: Timecounters tick every 10.000 msec
Kernelized RAIDframe activated
found openpic PIC at 80040000
OpenPIC Version 1.2: Supports 4 CPUs and 64 interrupt sources.
bootpath: /pci@f2000000/@d/mac-io@7/ata-4@1f000/disk@1:0/netbsd
mainbus0 (root)
cpu0 at mainbus0: 7400 (Revision 2.9), ID 0 (primary)
cpu0: HID0 0x8094c0a4<EMCP,DOZE,DPM,EIEC,ICE,DCE,SGE,BTIC,BHT>, powersave: 1
cpu0: 400.00 MHz, no-parity 1MB WB L2 cache (PB SRAM) at 2:1 ratio
memory0 at mainbus0: len=512
spdmem0 at memory0
spdmem0: SDRAM, no parity or ECC, 256MB, 133MHz (PC-133)
spdmem0: 12 rows, 10 cols, 2 banks, 4 banks/chip, 7.5ns cycle time
spdmem0: tAA-tRCD-tRP-tRAS: 3-20-20-45
spdmem0: voltage LvTTL (not 5V tolerant), refresh time 15.625us (self-refreshing)
spdmem1 at memory0
spdmem1: SDRAM, no parity or ECC, 256MB, 133MHz (PC-133)
spdmem1: 12 rows, 10 cols, 2 banks, 4 banks/chip, 7.5ns cycle time
spdmem1: tAA-tRCD-tRP-tRAS: 3-20-20-45
spdmem1: voltage LvTTL (not 5V tolerant), refresh time 15.625us (self-refreshing)
spdmem2 at memory0
spdmem2: SDRAM, no parity or ECC, 256MB, 133MHz (PC-133)
spdmem2: 12 rows, 10 cols, 2 banks, 4 banks/chip, 7.5ns cycle time
spdmem2: tAA-tRCD-tRP-tRAS: 3-20-20-45
spdmem2: voltage LvTTL (not 5V tolerant), refresh time 15.625us (self-refreshing)
spdmem3 at memory0
spdmem3: SDRAM, no parity or ECC, 256MB, 133MHz (PC-133)
spdmem3: 12 rows, 10 cols, 2 banks, 4 banks/chip, 7.5ns cycle time
spdmem3: tAA-tRCD-tRP-tRAS: 3-20-20-45
spdmem3: voltage LvTTL (not 5V tolerant), refresh time 15.625us (self-refreshing)
uni_n0 at mainbus0 address 0xf8000000
ki2c0 at uni_n0 address 0xf8001000
iic0 at ki2c0: I2C bus
uninorth0 at mainbus0
pci0 at uninorth0 bus 0
pci0: i/o space, memory space enabled
pchb0 at pci0 dev 11 function 0
pchb0: Apple Computer UniNorth AGP Interface (rev. 0x00)
r128fb0 at pci0 dev 16 function 0: ATI Technologies Rage Fury MAXX AGP 4x (TMDS) (rev. 0x00)
r128fb0: 64 MB aperture at 0x94000000
wsdisplay0 at r128fb0 kbdmux 1: console (default, vt100 emulation)
wsmux1: connecting to wsdisplay0
uninorth1 at mainbus0
pci1 at uninorth1 bus 0
pci1: i/o space, memory space enabled
pchb1 at pci1 dev 11 function 0
pchb1: Apple Computer UniNorth Host-PCI Bridge (rev. 0x00)
ppb0 at pci1 dev 13 function 0: Digital Equipment DC21154 PCI-PCI Bridge (rev. 0x05)
pci2 at ppb0 bus 1
pci2: i/o space, memory space enabled
obio0 at pci2 dev 7 function 0: addr 0x80000000
obio0: enabling KeyLargo internal modem
zsc0 at obio0 irq 22,50
zstty0 at zsc0 channel 0
zstty1 at zsc0 channel 1
awacs0 at obio0 offset 0x14000 Screamer: irq 24,9,10
awacs0: speaker
audio0 at awacs0: playback, capture, full duplex
audio0: slinear_be:16 2ch 44100Hz, blk 4096 bytes (23.2ms) for playback
audio0: slinear_be:16 2ch 44100Hz, blk 4096 bytes (23.2ms) for recording
spkr0 at audio0: PC Speaker (synthesized)
wsbell at spkr0 not configured
pmu0 at obio0 offset 0x16000 irq 47:  rev. 12
pmu0: initializing RTC
pmu0: power-mgt not configured
ki2c1 at obio0
iic1 at ki2c1: I2C bus
wdc0 at obio0 offset 0x1f000 irq 19, level triggered: DMA transfer
atabus0 at wdc0 channel 0
wdc1 at obio0 offset 0x20000 irq 20, level triggered: DMA transfer
atabus1 at wdc1 channel 0
wdc2 at obio0 offset 0x21000 irq 21, level triggered: DMA transfer
atabus2 at wdc2 channel 0
ohci0 at pci2 dev 8 function 0: Apple Computer KeyLargo USB Controller (rev. 0x00)
ohci0: interrupting at irq 27
ohci0: OHCI version 1.0
usb0 at ohci0: USB revision 1.0
ohci1 at pci2 dev 9 function 0: Apple Computer KeyLargo USB Controller (rev. 0x00)
ohci1: interrupting at irq 28
ohci1: OHCI version 1.0
usb1 at ohci1: USB revision 1.0
fwohci0 at pci2 dev 10 function 0: Texas Instruments TSB12LV26 IEEE 1394 Host Controller (rev. 0x00)
fwohci0: interrupting at irq 63
fwohci0: OHCI version 1.0 (ROM=0)
fwohci0: No. of Isochronous channels is 4.
fwohci0: EUI64 00:30:65:ff:fe:c4:d2:90
fwohci0: Phy 1394a available S400, 2 ports.
fwohci0: Link S400, max_rec 2048 bytes.
ieee1394if0 at fwohci0: IEEE1394 bus
fwip0 at ieee1394if0: IP over IEEE1394
fwohci0: Initiate bus reset
uninorth2 at mainbus0
pci3 at uninorth2 bus 0
pci3: i/o space, memory space enabled
pchb2 at pci3 dev 11 function 0
pchb2: Apple Computer UniNorth Host-PCI Bridge (rev. 0x00)
gem0 at pci3 dev 15 function 0: Apple Computer GMAC Ethernet (rev. 0x01)
gem0: interrupting at irq 41
brgphy0 at gem0 phy 0: BCM5400 1000BASE-T media interface, rev. 7
brgphy0: 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
gem0: Ethernet address 00:30:65:c4:d2:90, 10KB RX fifo, 4KB TX fifo
vmmask 73fc0000 schedmask 7ffc0000 highmask 7ffc0000
timecounter: Timecounter "mftb" frequency 24907667 Hz quality 100
fwohci0: BUS reset
fwohci0: node_id=0xc800ffc0, gen=1, CYCLEMASTER mode
ieee1394if0: 1 nodes, maxhop <= 0 cable IRM irm(0) (me)
ieee1394if0: bus manager 0
timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
WARNING: system needs entropy for security; see entropy(7)
IPsec: Initialized Security Association Processing.
uhub0 at usb0: NetBSD (0x0000) OHCI root hub (0x0000), class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhub1 at usb1: NetBSD (0x0000) OHCI root hub (0x0000), class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
wd0 at atabus0 drive 0
wd0: <IBM-DTLA-305020>
wd0: drive supports 16-sector PIO transfers, LBA addressing
wd0: 19623 MB, 39870 cyl, 16 head, 63 sec, 512 bytes/sect x 40188960 sectors
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100)
wd1 at atabus0 drive 1
wd1: <WDC WD200BB-75CAA0>
wd1: drive supports 16-sector PIO transfers, LBA addressing
wd1: 19073 MB, 38752 cyl, 16 head, 63 sec, 512 bytes/sect x 39062500 sectors
wd1: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100)
wd0(wdc0:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 4 (Ultra/66) (using DMA)
wd1(wdc0:0:1): using PIO mode 4, DMA mode 2, Ultra-DMA mode 4 (Ultra/66) (using DMA)
uhub2 at uhub1 port 1: Chicony (0x04fe) Generic USB Hub (0x0008), class 9/0, rev 1.10/1.02, addr 2
uhub2: 3 ports with 2 removable, bus powered
uhidev0 at uhub2 port 1 configuration 1 interface 0
uhidev0: Chicony (0x04fe) PFU-68 USB Keyboard (0x0007), rev 1.10/1.02, addr 3, iclass 3/1
ukbd0 at uhidev0: 8 Variable keys, 6 Array codes
wskbd0 at ukbd0: console keyboard, using wsdisplay0
atapibus0 at atabus1: 2 targets
cd0 at atapibus0 drive 0: <HITACHI DVD-ROM GD-7000, , 016J> cdrom removable
cd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 2 (Ultra/33)
cd0(wdc1:0:0): using PIO mode 4, DMA mode 2 (using DMA)
swwdog0: software watchdog initialized
boot device: wd1
root on wd1a dumps on wd1b
root file system type: ffs
kern.module.path=/stand/macppc/10.0/modules
entropy: best effort
---

NetBSD/macppc 9.4 INSTALL kernel works and genfb(4) is attached
without visible problems. 8.3 INSTALL also works.

>How-To-Repeat:
Boot an official NetBSD-10.0-macppc.iso on Power Mac G4 with ATI Rage128,
as noted above.

>Fix:
No idea.
Bisect netbsd-9 and netbsd-10?

---
Izumi Tsutsui
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