Unaligned access fault in fxp on alpha

[Kris Kennaway]

I reported this to mux 3 days ago, but haven't heard any
acknowledgement from him of the issue.  Could someone else
investigate?  This is a reproducible panic.

Kris

----- Forwarded message from Kris Kennaway <kris at obsecurity.org> -----

Date: Tue, 6 May 2003 10:28:54 -0700
From: Kris Kennaway <kris at obsecurity.org>
To: mux at FreeBSD.org
Subject: Unaligned access fault in fxp on alpha
User-Agent: Mutt/1.4i

This occurred on an up-to-date alpha kernel during boot.

fxp0: <Intel 82557/8/9 EtherExpress Pro/100(B) Ethernet> port 0x10200-0x1021f mem 0x1000000-0x10fffff,0x1292000-0x1292fff irq 47 at device 17.0 on pci0

fatal kernel trap:

    trap entry     = 0x4 (unaligned access fault)
    faulting va    = 0xfffffe00008bb80e
    opcode         = 0x28
    register       = 0x1
    pc             = 0xfffffc000037d880
    ra             = 0xfffffc000037d83c
    sp             = 0xfffffc000075ba30
    usp            = 0x0
    curthread      = 0xfffffc00006778a8
        pid = 0, comm = swapper

Stopped at      fxp_add_rfabuf+0x80:    zapnot  t0,#0xf3,t0     <t0=0x10>

fxp_add_rfabuf() at fxp_add_rfabuf+0x80
fxp_attach() at fxp_attach+0xbec
DEVICE_ATTACH() at DEVICE_ATTACH+0x68
device_probe_and_attach() at device_probe_and_attach+0x7c
bus_generic_attach() at bus_generic_attach+0x28
pci_attach() at pci_attach+0x88
DEVICE_ATTACH() at DEVICE_ATTACH+0x68
device_probe_and_attach() at device_probe_and_attach+0x7c
bus_generic_attach() at bus_generic_attach+0x28
DEVICE_ATTACH() at DEVICE_ATTACH+0x68
device_probe_and_attach() at device_probe_and_attach+0x7c
bus_generic_attach() at bus_generic_attach+0x28
tsunami_attach() at tsunami_attach+0x98
DEVICE_ATTACH() at DEVICE_ATTACH+0x68
device_probe_and_attach() at device_probe_and_attach+0x7c
root_bus_configure() at root_bus_configure+0x38
configure() at configure+0x40
mi_startup() at mi_startup+0x144
locorestart() at locorestart+0x64
--- root of call graph ---

Kris



----- End forwarded message -----
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-current/attachments/20030509/c9d83b2a/attachment.bin