port-macppc/54920: 9.0_RC1 macppc GENERIC kernel locks up

[Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>]

>Number:         54920
>Category:       port-macppc
>Synopsis:       9.0_RC1 macppc GENERIC kernel locks up
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    port-macppc-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Feb 02 16:36:55 +0000 2020
>Originator:     Izumi Tsutsui
>Release:        NetBSD 9.0_RC1
>Organization:
>Environment:
System: NetBSD 9.0_RC1 (GENERIC) #0: Wed Nov 27 16:14:52 UTC 2019 mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/macppc/compile/GENERIC
Architecture: powerpc
Machine: macppc
>Description:
NetBSD/macppc 9.0_RC1 GENERIC kernel locks up on fetching
base sets from network via ex(4) NIC to an obio wd(4) disk.

---
Open Firmware, 2.0
To continue booting the MacOS type:
BYE<return>
To continue booting from the default boot device type:
BOOT<return>
 ok
0 > boot -s 
OF_open bootpath=ata/ATA-Disk@0
read stage 2 blocks: 0123. done!
starting stage 2...

>> NetBSD/macppc OpenFirmware Boot, Revision 1.13 (Sat Feb  1 17:21:55 UTC 2020)
Cannot use bootpath
Using boot-device instead
11020028+166192 [474704+462099]=0xb900b0
 start=0x100000
[   1.0000000] mem region 0 start=0 size=4000000
[   1.0000000] avail region 0 start=0x4800 size=0x800
[   1.0000000] avail region 1 start=0x15000 size=0x3eeb000
[   1.0000000] Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
[   1.0000000]     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
[   1.0000000]     2018, 2019 The NetBSD Foundation, Inc.  All rights reserved.
[   1.0000000] Copyright (c) 1982, 1986, 1989, 1991, 1993
[   1.0000000]     The Regents of the University of California.  All rights reserved.

[   1.0000000] NetBSD 9.0_RC1 (GENERIC) #0: Wed Nov 27 16:14:52 UTC 2019
[   1.0000000] 	mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/macppc/compile/GENERIC
[   1.0000000] total memory = 65536 KB
[   1.0000000] avail memory = 50716 KB
[   1.0000000] found ohare PIC at f3000000
[   1.0000000] bootpath: ata/ATA-Disk@0/netbsd
[   1.0000000] mainbus0 (root)
[   1.0000000] cpu0 at mainbus0: 603ev (Revision 2.1), ID 0 (primary)
[   1.0000000] cpu0: HID0 0x90c001<DOZE,DPM,ICE,DCE,NOPTI>, powersave: 1
[   1.0000000] cpu0: ohare L2 cache enabled
[   1.0000000] valkyriefb0 at mainbus0 address 0xf1000000
[   1.0000000] memory0 at mainbus0
[   1.0000000] bandit0 at mainbus0
[   1.0000000] pci0 at bandit0 bus 0
[   1.0000000] pchb0 at pci0 dev 11 function 0
[   1.0000000] pchb0: Apple Computer Bandit Host-PCI Bridge (rev. 0x02)
[   1.0000000] ex0 at pci0 dev 13 function 0: 3Com 3c905B-TX 10/100 Ethernet (rev. 0x30)
[   1.0000000] ex0: interrupting at irq 23
[   1.0000000] ex0: MAC address 00:50:04:65:51:1a
[   1.0000000] exphy0 at ex0 phy 24: 3Com internal media interface
[   1.0000000] exphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
[   1.0000000] VIA Technologies VT83C572 USB Controller (USB serial bus, UHCI, revision 0x04) at pci0 dev 14 function 0 not configured
[   1.0000000] obio0 at pci0 dev 16 function 0: addr 0xf3000000
[   1.0000000] mesh0 at obio0 offset 0x10000 irq 12: 50MHz, SCSI ID 7
[   1.0000000] scsibus0 at mesh0: 8 targets, 8 luns per target
[   1.0000000] zsc0 at obio0 irq 15,16
[   1.0000000] zstty0 at zsc0 channel 0 (console i/o)
[   1.0000000] zstty1 at zsc0 channel 1
[   1.0000000] awacs0 at obio0 offset 0x14000: irq 17,8,9
[   1.0000000] awacs0: speaker
[   1.0000000] audio0 at awacs0: playback, capture, full duplex
[   1.0000000] audio0: slinear_be:16 2ch 44100Hz, blk 23ms for playback
[   1.0000000] audio0: slinear_be:16 2ch 44100Hz, blk 23ms for recording
[   1.0000000] spkr0 at audio0: PC Speaker (synthesized)
[   1.0000000] wsbell at spkr0 not configured
[   1.0000000] swim3 at obio0 offset 0x15000 not configured
[   1.0000000] nvram0 at obio0 offset 0x60000
[   1.0000000] cuda0 at obio0 offset 0x16000 irq 18
[   1.0000000] nadb0 at cuda0: Apple Desktop Bus
[   1.0000000] iic0 at cuda0: I2C bus
[   1.0000000] videopll0 at iic0 addr 0x50: Apple onboard video PLL
[   1.0000000] wdc0 at obio0 offset 0x20000 irq property not found; using 13: DMA transfer
[   1.0000000] atabus0 at wdc0 channel 0
[   1.0000000] vmmask 7cc00000 schedmask 7fc00000 highmask 7fc00000
[   1.0000796] scsibus0: waiting 2 seconds for devices to settle...
[   1.3899590] adbkbd0 at nadb0 addr 2: extended keyboard
[   1.4299604] wskbd0 at adbkbd0 mux 1
[   1.4299604] wsmouse0 at adbkbd0 mux 0
[   1.4299604] adbms0 at nadb0 addr 3: 1-button, 100 dpi mouse
[   1.4899641] wsmouse1 at adbms0 mux 0
[   3.8600335] cd0 at scsibus0 target 3 lun 0: <MATSHITA, CD-ROM CR-8024, 2.0e> cdrom removable
[   4.3900510] wd0 at atabus0 drive 0
[   4.4100857] wd0: <ST320011A>
[   4.4100857] wd0: 19092 MB, 38792 cyl, 16 head, 63 sec, 512 bytes/sect x 39102336 sectors
[   4.7600788] swwdog0: software watchdog initialized
[   4.7900722] valkyriefb0: switched to 800 x 600 in 8 bit colour
[   4.8300640] wsdisplay1 at valkyriefb0 kbdmux 1
[   4.8500895] valkyriefb0: switched to 800 x 600 in 8 bit colour
[   4.9000654] wsdisplay2 at valkyriefb0 kbdmux 1
[   4.9000654] boot device: wd0
[   4.9000654] root on wd0a dumps on wd0b
[   4.9600774] /: replaying log to memory
[   4.9800942] root file system type: ffs
[   4.9800942] kern.module.path=/stand/macppc/9.0/modules
Enter pathname of shell or RETURN for /bin/sh: 
Terminal type? [unknown] vt100
Terminal type is vt100.
We recommend creating a non-root account and using su(1) for root access.
# ifconfig ex0 192.168.20.4
# route add default 192.168.20.1
add net default: gateway 192.168.20.1
# mount /
[  32.6805074] /: replaying log to disk
# ftp http://cdn.netbsd.org/pub/NetBSD/NetBSD-9.0_RC1/macppc/binary/sets/base.tgz
Trying [2a04:4e42:1a::262]:80 ...
ftp: Can't connect to `2a04:4e42:1a::262:80': No route to host
Trying 151.101.229.6:80 ...
Requesting http://cdn.netbsd.org/pub/NetBSD/NetBSD-9.0_RC1/macppc/binary/sets/base.tgz
  0% |                                   |     0        0.00 KiB/s    --:-- ETA

[hang here, sending BREAK doesn't call ddb(4) prompt)]
---

8.1 GENERIC works fine on the same hardware.

>How-To-Repeat:
See above logs.

>Fix:
No clue for now.

Something wrong interrupt handler (multiple interrupts in the handler)?
Or gcc optimization issue?