From owner-freebsd-alpha  Wed Nov 28 13:11:25 2001
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Date: Wed, 28 Nov 2001 15:47:22 +0100 (MET)
From: Martijn Pronk <martijn@smartie.xs4all.nl>
Reply-To: Martijn Pronk <martijn@smartie.xs4all.nl>
Subject: Panic while booting -current on Alpha AXPpci33
To: alpha@freebsd.org
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Hi all,

My -current Alpha machine (AXPpci33) panics while
starting init it seems:

<The rest of the kernel booting is snipped>
da0 at sym0 bus 0 target 1 lun 0
da0: <SEAGATE ST12400N 8650> Fixed Direct Access SCSI-2 device 
da0: 10.000MB/s transfers (10.000MHz, offset 8), Tagged Queueing Enabled
da0: 2048MB (4194685 512 byte sectors: 255H 63S/T 261C)
Mounting root from ufs:/dev/da0a

fatal kernel trap:

    trap entry     = 0x2 (memory management fault)
    faulting va    = 0x28
    type           = access violation
    cause          = load instructon
    pc             = 0xfffffc00004f8260
    ra             = 0xfffffc000050082c
    sp             = 0xfffffe00047f7c80
    usp            = 0x11fffca0
    curproc        = 0xfffffe00047e9840
        pid = 1, comm = init

Stopped at      alpha_fpstate_check+0x20:       ldq     t0,0x28(t0) <0x28>      
<t0=0x0>
db>

if I do a trace I see:
db> trace

alpha_fpstate_check() at alpha_fpstate_check+0x20
syscall() at syscall+0xec
XentSys() at XentSys+0x64
--- syscall (24, FreeBSD ELF, getuid) ---
--- user mode ---

This is a -current cvsupped yesterday (november 27)
I have a kernel laying around which is a month old that doesn't have
this problem.

Can someone help me with this?

Thanks,

Martijn

PS: 
I discovered that kldload always uses /boot/kernel as location for
modules, which can a bit problematic when you boot a kernel from
/boot/kernel.good/ ... Maybe it's an idea to have kldload look
at the directory where the current kernel is located to find modules


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