Re: panic on 6.0 when writing to disk (g4 powermac)

To: port-macppc%NetBSD.org@localhost
Subject: Re: panic on 6.0 when writing to disk (g4 powermac)
From: Benedek Gergely <i3enedek%neomailbox.net@localhost>
Date: Tue, 27 Nov 2012 16:42:35 +0000
So I have tried this on 5.2_RC1 with one or two cpu's and it works just fine. 

On 25 Nov 2012, at 18:22, Benedek Gergely wrote:

> Hi,
> 
> I seem to be able to be able to reproducibly crash 6.0, it seems to crop up 
> whenever I am writing to disk (I can repro by cat-ing /dev/zero to disk). 
> I've tried it with one or both cpus and the result is the same. 
> 
> Has anyone else been having issues?
> 
> I'll try and get a backtrace but it will likely mean doing some 
> repartitioning or pulling some memory. 
> 
> dmesg and traps below.
> 
> Cheers,
> 
> Nov 25 15:40:04 Smackintosh /netbsd: trap: pid 710.1 (scp): kernel MCHK trap 
> @ 0x23d880 (SRR1=0x20009030)
> Nov 25 15:40:04 Smackintosh /netbsd: panic: trap
> Nov 25 15:40:04 Smackintosh /netbsd: cpu1: Begin traceback...
> Nov 25 15:40:04 Smackintosh /netbsd: 0x10198910: at panic+0x4c
> Nov 25 15:40:04 Smackintosh /netbsd: 0x10198950: at trap+0x104
> Nov 25 15:40:04 Smackintosh /netbsd: 0x101989e0: kernel MCHK trap by 
> ffs_clusteracct+0x1a8: srr1=0x20009030
> Nov 25 15:40:04 Smackintosh /netbsd:            r1=0x10198ab0 cr=0x28222044 
> xer=0 ctr=0
> Nov 25 15:40:04 Smackintosh /netbsd: 0x10198ab0: at ipsec_buffer+0x1ec
> Nov 25 15:40:04 Smackintosh /netbsd: 0x10198ad0: at 
> ffs_alloccgblk.clone.2+0xd0
> Nov 25 15:40:04 Smackintosh /netbsd: 0x10198b00: at ffs_alloccg+0x56c
> Nov 25 15:40:04 Smackintosh /netbsd: 0x10198b60: at ffs_hashalloc+0x44
> Nov 25 15:40:04 Smackintosh /netbsd: 0x10198b90: at ffs_alloc+0x1ac
> Nov 25 15:40:04 Smackintosh /netbsd: 0x10198bd0: at ffs_balloc+0x1820
> Nov 25 15:40:04 Smackintosh /netbsd: 0x10198d10: at ufs_gop_alloc+0xc8
> Nov 25 15:40:04 Smackintosh /netbsd: 0x10198d50: at ffs_write+0xa18
> Nov 25 15:40:04 Smackintosh /netbsd: 0x10198df0: at VOP_WRITE+0x50
> Nov 25 15:40:04 Smackintosh /netbsd: 0x10198e30: at vn_write+0x13c
> Nov 25 15:40:04 Smackintosh /netbsd: 0x10198e60: at dofilewrite+0x90
> Nov 25 15:40:04 Smackintosh /netbsd: 0x10198ec0: at syscall_plain+0x1f4
> Nov 25 15:40:04 Smackintosh /netbsd: 0x10198f20: user SC trap #4 by 
> 0xfdb80bf0: srr1=0xd032
> Nov 25 15:40:04 Smackintosh /netbsd:            r1=0xffff9b10 cr=0x20002044 
> xer=0 ctr=0xfdb80be8
> Nov 25 15:40:04 Smackintosh /netbsd: cpu1: End traceback...
> Nov 25 15:40:04 Smackintosh /netbsd: halting CPU 0
> Nov 25 15:40:04 Smackintosh /netbsd: dumpsys: TBD
> Nov 25 15:40:04 Smackintosh /netbsd: rebooting
> 
> Nov 25 15:49:35 Smackintosh /netbsd: trap: pid 228.1 (scp): kernel MCHK trap 
> @ 0x614624 (SRR1=0x20009030)
> Nov 25 15:49:35 Smackintosh /netbsd: panic: trap
> Nov 25 15:49:35 Smackintosh /netbsd: cpu1: Begin traceback...
> Nov 25 15:49:35 Smackintosh /netbsd: 0x103278f0: at panic+0x4c
> Nov 25 15:49:35 Smackintosh /netbsd: 0x10327930: at trap+0x104
> Nov 25 15:49:35 Smackintosh /netbsd: 0x103279c0: kernel MCHK trap by 
> bremfree+0x30: srr1=0x20009030
> Nov 25 15:49:35 Smackintosh /netbsd:            r1=0x10327a90 cr=0x20222024 
> xer=0 ctr=0x22ef38
> Nov 25 15:49:35 Smackintosh /netbsd: 0x10327a90: at getblk+0x80
> Nov 25 15:49:35 Smackintosh /netbsd: 0x10327ac0: at bio_doread.clone.1+0x30
> Nov 25 15:49:35 Smackintosh /netbsd: 0x10327ae0: at bread+0x24
> Nov 25 15:49:35 Smackintosh /netbsd: 0x10327b00: at ffs_alloccg+0x118
> Nov 25 15:49:35 Smackintosh /netbsd: 0x10327b60: at ffs_hashalloc+0x44
> Nov 25 15:49:35 Smackintosh /netbsd: 0x10327b90: at ffs_alloc+0x1ac
> Nov 25 15:49:35 Smackintosh /netbsd: 0x10327bd0: at ffs_balloc+0x1820
> Nov 25 15:49:35 Smackintosh /netbsd: 0x10327d10: at ufs_gop_alloc+0xc8
> Nov 25 15:49:35 Smackintosh /netbsd: 0x10327d50: at ffs_write+0xa18
> Nov 25 15:49:35 Smackintosh /netbsd: 0x10327df0: at VOP_WRITE+0x50
> Nov 25 15:49:35 Smackintosh /netbsd: 0x10327e30: at vn_write+0x13c
> Nov 25 15:49:35 Smackintosh /netbsd: 0x10327e60: at dofilewrite+0x90
> Nov 25 15:49:35 Smackintosh /netbsd: 0x10327ec0: at syscall_plain+0x1f4
> Nov 25 15:49:35 Smackintosh /netbsd: 0x10327f20: user SC trap #4 by 
> 0xfdb80bf0: srr1=0xd032
> Nov 25 15:49:35 Smackintosh /netbsd:            r1=0xffff9b00 cr=0x20002044 
> xer=0 ctr=0xfdb80be8
> Nov 25 15:49:35 Smackintosh /netbsd: cpu1: End traceback...
> Nov 25 15:49:35 Smackintosh /netbsd: halting CPU 0
> Nov 25 15:49:35 Smackintosh /netbsd: dumpsys: TBD
> Nov 25 15:49:35 Smackintosh /netbsd: rebooting
> 
> 
> 
> Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
>   2006, 2007, 2008, 2009, 2010, 2011, 2012
>   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 6.0 (GENERIC.MP)
> total memory = 2048 MB
> oea_startup: failed to allocate DEAD ZONE: error=12
> avail memory = 1978 MB
> timecounter: Timecounters tick every 10.000 msec
> found openpic PIC at 80040000
> OpenPIC Version 1.2: Supports 4 CPUs and 64 interrupt sources.
> bootpath: /pci@f4000000/ata-6@d/disk@0:0/netbsd.gz
> mainbus0 (root)
> cpu0 at mainbus0: 7455 (Revision 3.3), ID 0 (primary)
> cpu0: HID0 
> 0x84d0c1bc<EMCP,TBEN,HIGH_BAT_EN,NAP,DPM,ICE,DCE,XBSEN,SGE,BTIC,LRSTK,FOLD,BHT>,
>  powersave: 1
> cpu0: 1416.67 MHz, 256KB L2 cache no parity parity enabled, 2MB no-parity L3 
> cache (DDR SRAM) at 6:1 ratio
> cpu1 at mainbus0: 7455 (Revision 3.3), ID 1
> cpu1: HID0 
> 0x84d0c1bc<EMCP,TBEN,HIGH_BAT_EN,NAP,DPM,ICE,DCE,XBSEN,SGE,BTIC,LRSTK,FOLD,BHT>,
>  powersave: 1
> cpu1: 1416.67 MHz, 256KB L2 cache no parity parity enabled, 2MB no-parity L3 
> cache (DDR SRAM) at 6:1 ratio
> memory0 at mainbus0: len=512
> spdmem0 at memory0
> spdmem0: DDR SDRAM, no parity or ECC, 512MB, 333MHz (PC-2700)
> spdmem0: 13 rows, 11 cols, 1 ranks, 4 banks/chip, 6.0ns cycle time
> spdmem0: tAA-tRCD-tRP-tRAS: 1-3-3-7
> spdmem0: voltage SSTL 2.5V, refresh time 7.8us (self-refreshing)
> spdmem1 at memory0
> spdmem1: DDR SDRAM, no parity or ECC, 512MB, 333MHz (PC-2700)
> spdmem1: 13 rows, 11 cols, 1 ranks, 4 banks/chip, 6.0ns cycle time
> spdmem1: tAA-tRCD-tRP-tRAS: 1-3-3-7
> spdmem1: voltage SSTL 2.5V, refresh time 7.8us (self-refreshing)
> spdmem2 at memory0
> spdmem2: DDR SDRAM, no parity or ECC, 512MB, 333MHz (PC-2700)
> spdmem2: 13 rows, 11 cols, 1 ranks, 4 banks/chip, 6.0ns cycle time
> spdmem2: tAA-tRCD-tRP-tRAS: 1-3-3-7
> spdmem2: voltage SSTL 2.5V, refresh time 7.8us (self-refreshing)
> spdmem3 at memory0
> spdmem3: DDR SDRAM, no parity or ECC, 512MB, 333MHz (PC-2700)
> spdmem3: 13 rows, 10 cols, 2 ranks, 4 banks/chip, 6.0ns cycle time
> spdmem3: tAA-tRCD-tRP-tRAS: 1-3-3-7
> spdmem3: voltage SSTL 2.5V, refresh time 7.8us (self-refreshing)
> uni_n0 at mainbus0 address 0xf8000000
> ki2c0 at uni_n0 address 0xf8001000
> iic1 at ki2c0: I2C bus
> dbcool0 at ki2c0
> dbcool0: ADM1030 dBCool(tm) Controller (rev 0x0083)
> i2c-hwclock at ki2c0 address 0xca not configured
> temp-monitor at ki2c0 address 0x92 not configured
> cereal at ki2c0 address 0x1c0 not configured
> 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 Bridge (rev. 0x00)
> genfb0 at pci0 dev 16 function 0: ATI Technologies Radeon 9000/PRO If (rev. 
> 0x01)
> genfb0: framebuffer at 0x9c008000, size 1920x1080, depth 8, stride 2048
> wsdisplay0 at genfb0 kbdmux 1: console (default, vt100 emulation)
> wsmux1: connecting to wsdisplay0
> drm at genfb0 not configured
> 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)
> VIA Technologies VT83C572 USB Controller (USB serial bus, revision 0x61) at 
> pci1 dev 21 function 0 not configured
> VIA Technologies VT83C572 USB Controller (USB serial bus, revision 0x61) at 
> pci1 dev 21 function 1 not configured
> ehci0 at pci1 dev 21 function 2: VIA Technologies VT8237 EHCI USB Controller 
> (rev. 0x63)
> ehci0: interrupting at irq 58
> ehci0: dropped intr workaround enabled
> ehci0: EHCI version 1.0
> ehci0: wrong number of companions (2 != 0)
> ehci0: ohci or uhci probably not configured
> usb0 at ehci0: USB revision 2.0
> obio0 at pci1 dev 23 function 0: addr 0x80000000
> obio0: enabling KeyLargo internal modem
> zsc0 at obio0 irq 22,23
> zstty0 at zsc0 channel 0
> zstty1 at zsc0 channel 1
> snapper0 at obio0 offset 0x10000: irq 30,1,2
> pmu0 at obio0 offset 0x16000 irq 47:  rev. 12
> pmu0: initializing IIC bus
> pmu0: initializing RTC
> pmu0: power-mgt not configured
> ki2c1 at obio0
> iic2 at ki2c1: I2C bus
> cereal at ki2c1 address 0x1c0 not configured
> deq0 at ki2c1 Apple Digital Equalizer, addr 0x6a
> 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
> snapper0: codec: TAS3004
> audio0 at snapper0: full duplex, playback, capture
> ohci0 at pci1 dev 24 function 0: Apple Computer KeyLargo USB Controller (rev. 
> 0x00)
> pci_intr_map: no mapping for pin A
> ohci0: couldn't map interrupt
> ohci1 at pci1 dev 25 function 0: Apple Computer KeyLargo USB Controller (rev. 
> 0x00)
> pci_intr_map: no mapping for pin A
> ohci1: couldn't map interrupt
> ohci2 at pci1 dev 27 function 0: NEC USB Host Controller (rev. 0x43)
> ohci2: interrupting at irq 63
> ohci2: OHCI version 1.0
> usb1 at ohci2: USB revision 1.0
> ohci3 at pci1 dev 27 function 1: NEC USB Host Controller (rev. 0x43)
> ohci3: interrupting at irq 63
> ohci3: OHCI version 1.0
> usb2 at ohci3: USB revision 1.0
> uninorth2 at mainbus0
> pci2 at uninorth2 bus 0
> pci2: i/o space, memory space enabled
> pchb2 at pci2 dev 11 function 0
> pchb2: Apple Computer UniNorth Host-PCI Bridge (rev. 0x00)
> wdc2 at pci2 dev 13 function 0: interrupting at irq 39
> atabus2 at wdc2 channel 0
> fwohci0 at pci2 dev 14 function 0: Apple Computer UniNorth Firewire (rev. 
> 0x01)
> fwohci0: interrupting at irq 40
> fwohci0: OHCI version 1.10 (ROM=0)
> fwohci0: No. of Isochronous channels is 8.
> fwohci0: EUI64 00:0a:95:ff:fe:7b:8c:34
> fwohci0: invalid speed 7 (fixed to 3).
> fwohci0: Phy 1394a available S800, 3 ports.
> fwohci0: Link S800, max_rec 4096 bytes.
> ieee1394if0 at fwohci0: IEEE1394 bus
> fwip0 at ieee1394if0: IP over IEEE1394
> fwohci0: Initiate bus reset
> gem0 at pci2 dev 15 function 0: Apple Computer GMAC Ethernet (rev. 0x00)
> gem0: interrupting at irq 41
> brgphy0 at gem0 phy 0: BCM5421 1000BASE-T media interface, rev. 1
> brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 
> 1000baseT-FDX, auto
> gem0: Ethernet address 00:0a:95:7b:8c:34, 10KB RX fifo, 4KB TX fifo
> vmmask 73bc0000 schedmask 7ffc0000 highmask 7ffc0000
> timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
> timecounter: Timecounter "mftb" frequency 41659304 Hz quality 100
> fwohci0: BUS reset
> fwohci0: node_id=0xc800ffc1, gen=2, CYCLEMASTER mode
> ieee1394if0: 2 nodes, maxhop <= 1 Not IRM capable irm(-1)
> cpu1 started
> uhub0 at usb0: VIA Technologies EHCI root hub, class 9/0, rev 2.00/1.00, addr 
> 1
> uhub0: 4 ports with 4 removable, self powered
> uhub1 at usb1: NEC OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
> uhub1: 3 ports with 3 removable, self powered
> uhub2 at usb2: NEC OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
> uhub2: 2 ports with 2 removable, self powered
> ieee1394if0: New S400 device ID:000a270002223be7
> sbp0 at ieee1394if0: SBP-2/SCSI over IEEE1394
> scsibus0 at sbp0: 1 target, 0 luns per target
> sbp0: ordered:0 type:14 EUI:000a270002223be7 node:0 speed:2 maxrec:8
> sbp0: sbp0:0:0 'Apple Computer, Inc.' 'iPod' '0a2700'
> sd0 at scsibus0 target 0 lun 0: <Apple Co, iPod, 1.0a> simplified direct 
> removable
> sd0: 14305 MB, 14305 cyl, 64 head, 32 sec, 512 bytes/sect x 29297520 sectors
> uhub3 at uhub1 port 1: Genesys Logic USB2.0 Hub, class 9/0, rev 2.00/77.64, 
> addr 2
> uhidev0 at uhub2 port 1 configuration 1 interface 0
> uhub3: 4 ports with 4 removable, self powered
> uhidev0: DELL Dell QuietKey Keyboard, rev 1.10/1.01, addr 2, iclass 3/1
> ukbd0 at uhidev0
> wskbd0 at ukbd0: console keyboard, using wsdisplay0
> atapibus0 at atabus1: 2 targets
> cd0 at atapibus0 drive 0: <TOSHIBA DVD-ROM SD-R1312, 23PC501522, 1A06> 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)
> wd0 at atabus2 drive 0
> wd0: <ST3120024A>
> wd0: drive supports 16-sector PIO transfers, LBA addressing
> wd0: 111 GB, 232581 cyl, 16 head, 63 sec, 512 bytes/sect x 234441648 sectors
> wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100)
> wd1 at atabus2 drive 1
> wd1: <WDC WD1600BB-00GUA0>
> wd1: drive supports 16-sector PIO transfers, LBA48 addressing
> wd1: 149 GB, 310101 cyl, 16 head, 63 sec, 512 bytes/sect x 312581808 sectors
> wd1: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100)
> wd0(wdc2:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100) 
> (using DMA)
> wd1(wdc2:0:1): using PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100) 
> (using DMA)
> uhidev1 at uhub3 port 1 configuration 1 interface 0
> uhidev1: Kensington Kensington Expert Mouse, rev 1.10/1.00, addr 3, iclass 3/1
> ums0 at uhidev1: 4 buttons and Z dir
> wsmouse0 at ums0 mux 0
> uhidev2 at uhub3 port 4 configuration 1 interface 0
> uhidev2: Griffin Technology, Inc. iMate, USB To ADB Adaptor, rev 1.00/3.70, 
> addr 4, iclass 3/1
> ukbd1 at uhidev2
> wskbd1 at ukbd1 mux 1
> wskbd1: connecting to wsdisplay0
> uhidev3 at uhub3 port 4 configuration 1 interface 1
> uhidev3: Griffin Technology, Inc. iMate, USB To ADB Adaptor, rev 1.00/3.70, 
> addr 4, iclass 3/1
> ums1 at uhidev3: 3 buttons
> wsmouse1 at ums1 mux 0
> Kernelized RAIDframe activated
> swwdog0: software watchdog initialized
> 
> 
> 
>
References:
- panic on 6.0 when writing to disk (g4 powermac)
  - From: Benedek Gergely
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