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Re: alpha kernel hang at boot

On Feb 1, 2012, at 1:12 PM, Michael L. Hitch wrote:

> On Wed, 1 Feb 2012, Nicolas Joly wrote:
>> I cannot boot my PWS500au machine with a recent kernel anymore ... It
>> hangs at some point.
>  How recent?  I saw a change recently that may fix a powerpc problem and 
> there was an indication that it may help mips and alpha.
>> This seems to be related to recent kmem/vmem changes ... an old
>> 5.99.60 version does show any problem.
>> Any idea ?
>  I tried booting kernels from the 201201312100Z build, and they were able to 
> get to starting init.  Then they paniced in sysctl_locate.  It appeared to be 
> trying to access 0xfffffe0000000008 - which I think is the start of the 
> kernel virtual address space.

that similar to how PPC OEA is dying.

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 5.99.63 (PMPPC)
total memory = 32768 KB
avail memory = 20984 KB
mainbus0 (root): Artesyn PM/PPC
mainbus0: PCI bus Monarch
mainbus0: boot from ROM, no ECC, parity L2 cache
cpu0 at mainbus0: 750 (Revision 2.2), ID 0 (primary)
cpu0: HID0 0x8050c0a4<EMCP,NAP,DPM,ICE,DCE,SGE,BTIC,BHT>, powersave: 1
cpu0: 33.00 MHz L2 cache present but not enabled 
rtc0 at mainbus0 addr 0x7ff00000 irq 25: mc146818 compatible time-of-day clock
cs0 at mainbus0 addr 0x7fe00000 irq 24
cs0: updating EEPROM
cs0: wrong id(0x0)
cs0: unable to attach
flash at mainbus0 addr 0x70000000 not configured
cpc0 at mainbus0: IBM CPC700
com0 at cpc0 addr 0xff600300 irq 3: ns16550a, working fifo
com0: console
com1 at cpc0 addr 0xff600400 irq 4: ns16550a, working fifo
cpctim has not been converted to device_t
cpctim0 at cpc0 addr 0xff650000: driver not implemented
cpciic has not been converted to device_t
cpciic0 at cpc0 addr 0xff620000 irq 5: driver not implemented
cpciic has not been converted to device_t
cpciic1 at cpc0 addr 0xff630000 irq 6: driver not implemented
pci0 at cpc0 bus 0: indirect configuration space access
pchb0 at pci0 dev 0 function 0
pchb0: Heurikon/Computer Products PM/PPC (rev. 0x00)
tlp0 at pci0 dev 8 function 0: DECchip 21143 Ethernet, pass 4.1
tlp0: interrupting at irq 21
tlp0: Ethernet address 10:20:30:00:00:10
tlp0: 100baseTX, 10baseT, auto
biomask 8000000 netmask 8000000 ttymask 8000000
boot device: <unknown>
root on md0a dumps on md0b
root file system type: ffs
WARNING: preposterous TOD clock time
WARNING: using filesystem time
trap: kernel read DSI trap @ 0xd0000e78 by 0x470d30 (DSISR 0x40000000, err=14), 
lr 0x470d08
panic: trap
Stopped in pid 2.1 (init) at    netbsd:cpu_Debugger+0x10:       lwz     r0, 0x14
db> t
0xd004b900: at vpanic+0x21c
0xd004b930: at panic+0x4c
0xd004b970: at trap+0x14c
0xd004ba00: kernel DSI read trap @ 0xd0000e78 by incore+0x5c: srr1=0x9032
            r1=0xd004bad0 cr=0x24008024 xer=0 ctr=0x109750 dsisr=0x40000000
0xd004bad0: at uvm_pagelookup+0x38
0xd004baf0: at getblk+0x68
0xd004bb20: at bio_doread.clone.1+0x30
0xd004bb40: at breadn+0x40
0xd004bb70: at ufs_blkatoff+0x218
0xd004bc10: at ufs_lookup+0x92c
0xd004bcc0: at VOP_LOOKUP+0x44
0xd004bcf0: at lookup_once+0x1c0
0xd004bd40: at namei_tryemulroot+0x28c
0xd004be10: at namei+0x38
0xd004be50: at sys_access+0xc4
0xd004bec0: at syscall_plain+0x1f8
0xd004bf20: user SC trap #33 by 0x1935550: srr1=0xd032
            r1=0xffffddd0 cr=0x24000022 xer=0 ctr=0x18689b4

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