I've encoutered the same panic twice on the same block of data.  I was wondering 
if anyone else has seen this.  The relevent version info etc will be included 
below.  It seems to be a read error, so I'm gonna vdump and vrestore the system 
to see if this goes away.  Thanks in advance.
-drew
#
# Crash Data Collection (Version 1.4)
#
_crash_data_collection_time: Mon Sep 18 11:30:40 EDT 1995
_current_directory: /
_crash_kernel: /var/adm/crash/vmunix.1
_crash_core: /var/adm/crash/vmcore.1
_crash_arch: alpha
_crash_os: DEC OSF/1
_host_version: DEC OSF/1 V3.2A  (Rev. 17); Wed Jul 12 15:01:55 EDT 1995 
_crash_version: DEC OSF/1 V3.2A  (Rev. 17); Wed Jul 12 15:01:55 EDT 1995 
thread 0xffffffff8601ef00 stopped at  [boot:1620 ,0xfffffc00004defd0]    Source 
not available
_crashtime:  struct {
    tv_sec = 811438060
    tv_usec = 561539
} 
_boottime:  struct {
    tv_sec = 811163208
    tv_usec = 265472
} 
_config:  struct {
    sysname = "OSF1"
    nodename = "newcoke.ny.ox.com"
    release = "V3.2"
    version = "17"
    machine = "alpha"
} 
_cpu:  30 
_system_string:  0xfffffc0000600078 = "DEC3000 - M600" 
_ncpus:  1 
_avail_cpus:  1 
_partial_dump:  1 
_physmem(MBytes):  96 
_panic_string:  0xffffffff91d7b708 = "" 
_preserved_message_buffer_begin: 
struct {
    msg_magic = 0x63061
    msg_bufx = 0x453
    msg_bufr = 0x86c
    msg_bufc = "= 5
advfs I/O error: setId 0x3004248c.000b506b.1.8001  tag 0x000002bc.8005u  page 994
        vd 1  blk 3426512  blkCnt 16
        read error = 5
advfs I/O error: setId 0x3004248c.000b506b.1.8001  tag 0x000002bc.8005u  page 994
        vd 1  blk 3426512  blkCnt 16
        read error = 5
advfs I/O error: setId 0x3004248c.000b506b.1.8001  tag 0x000002bc.8005u  page 994
        vd 1  blk 3426512  blkCnt 16
        read error = 5
advfs I/O error: setId 0x3004248c.000b506b.1.8001  tag 0x000002bc.8005u  page 994
        vd 1  blk 3426512  blkCnt 16
        read error = 5
advfs I/O error: setId 0x3004248c.000b506b.1.8001  tag 0x000002bc.8005u  page 994
        vd 1  blk 3426512  blkCnt 16
        read error = 5
advfs I/O error: setId 0x3004248c.000b506b.1.8001  tag 0x000002bc.8005u  page 994
        vd 1  blk 3426512  blkCnt 16
        read error = 5
advfs I/O error: setId 0x3004248c.000b506b.1.8001  tag 0x000002bc.8005u  page 994
        vd 1  blk 3426512  blkCnt 16
        read error = 5
advfs I/O error: setId 0x3004248c.000b506b.fffffffe.0000  tag 0xfffffff7.0000u  
page 113
        vd 1  blk 2448  blkCnt 16
        write error = 5
ADVFS EXCEPTION
Module = 41, Line = 551
panic (cpu 0): 
syncing disks... lkCnt 16
-------
USMail: OTA Limited Partnership         E-mail: drew_at_ox.com
        1 Manhattanville Road           Phone:  +1 914 694 5800
        Purchase, New York 10577        FAX:    +1 914 694 5831
                       "Welcome, to the machine..."
Received on Wed Sep 20 1995 - 00:14:54 NZST