Insta-panic with recent -current on Ultra10

Chris Knight chris at
Tue Aug 17 02:10:01 PDT 2004


I'm getting the following panic on a kernel built from CURRENT
as of 17/08/2004 0100 AEST (+10).
A kernel from the 13/08/2004 0100 AEST (+10) works fine.
In the process of rebuilding the kernel so I can get some more

nothing to autoload yet.
jumping to kernel entry at 0xc0038000.
ebus0: <su> addr 0x14003083f8-0x14003083ff irq 41 (no driver attached)
ebus0: <su> addr 0x14003062f8-0x14003062ff irq 42 (no driver attached)
ebus0: <ecpp> addr
b irq 34 (no driver attached)
ebus0: <fdthree> addr
7 irq 39 (no driver attached)
eeprom0: <EEPROM/clock> addr 0x1400000000-0x1400001fff on ebus0
eeprom0: model mk48t59
eeprom0: hostid 80b0ea19
ebus0: <flashprom> addr 0x1000000000-0x10000fffff (no driver attached)
ebus0: <SUNW,CS4231> addr
f,0x1400200000-0x14002000ff irq 36,35 (no driver attached)
hme0: <Sun HME 10/100 Ethernet> mem 0xe0000000-0xe0007fff at device 1.1 on
miibus0: <MII bus> on hme0
nsphy0: <DP83840 10/100 media interface> on miibus0
nsphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
hme0: Ethernet address: 08:00:20:b0:ea:19
pci1: <display, VGA> at device 2.0 (no driver attached)
atapci0: <CMD 646 WDMA2 controller> port
0000-0xc00007 at device 3.0 on pci1
ata2: channel #0 on atapci0
ata3: channel #1 on atapci0
pcib2: <APB PCI-PCI bridge> at device 1.0 on pci0
pci2: <OFW PCI bus> on pcib2
pci2: <network, ethernet> at device 2.0 (no driver attached)
nexus0: <SUNW,ffb>, type display (no driver attached)
Timecounters tick every 1.000 msec
ipfw2 initialized, divert enabled, rule-based forwarding enabled, default to
deny, logging limited to 1000 packets/entry by default
ad0: 8693MB <ST39140A/861000> [17662/16/63] at ata2-master WDMA2
ATAPI_RESET time = 100us
acd0: CDRW <CRD-8322B/1.05> at ata3-master PIO4
Mounting root from ufs:/dev/ad0a
IOMMU fault virtual address 0xc0620000
panic: pcib: uncorrectable DMA error AFAR 0xf9a5880 AFSR 0x270000ff00000000
KDB: stack backtrace:
psycho_ue() at psycho_ue+0x70
intr_fast() at intr_fast+0x88
-- interrupt level=0xd pil=0 %o7=0xc01fd754 --
spitfire_block_zero() at spitfire_block_zero+0x78
vm_page_zero_idle() at vm_page_zero_idle+0x108
vm_pagezero() at vm_pagezero+0x118
fork_exit() at fork_exit+0x9c
fork_trampoline() at fork_trampoline+0x8
Uptime: 1s
Cannot dump. No dump device defined.
Automatic reboot in 15 seconds - press a key on the console to abort

Chris Knight
Systems Administrator
Tel: +61 3 6334 9995  Fax: +61 3 6331 7032  Mob: +61 419 528 795

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